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IAD - BUE

$316 Find cheap flights from Washington, D.C. to Buenos Aires

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Buenos Aires departing on 6/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 7/11
Thu 7/18

Search hundreds of travel sites at once for deals on flights to Buenos Aires

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Buenos Aires.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Buenos Aires.
In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Buenos Aires (IAD-BUE)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
1:25 am - 4:45 amIAD-EZE
25h 20m3 stops
5:50 am - 12:05 amEZE-IAD
20h 15m3 stops
$699Avianca
Find Deal
Sun, Nov 10 - Mon, Nov 25
4:05 am - 8:00 amIAD-EZE
26h 55m3 stops
9:00 am - 6:25 amEZE-IAD
22h 25m2 stops
Fri, Aug 2 - Wed, Aug 21
4:05 am - 8:00 amIAD-EZE
26h 55m3 stops
5:36 am - 3:35 pmEZE-IAD
34h 59m3 stops
Fri, Aug 2 - Wed, Aug 21
7:30 pm - 4:35 amIAD-EZE
32h 05m3 stops
6:00 am - 4:40 amEZE-IAD
23h 40m3 stops
$726Avianca
Find Deal
Tue, Oct 8 - Tue, Oct 15
4:54 pm - 6:00 pmIAD-AEP
24h 06m2 stops
4:10 pm - 12:48 pmAEP-IAD
21h 38m2 stops
$872LATAM Airlines
Find Deal
Fri, Aug 23 - Sun, Aug 25
3:05 pm - 2:30 pmIAD-EZE
22h 25m1 stop
4:50 pm - 1:45 pmEZE-IAD
21h 55m1 stop
$915GOL
Find Deal
Thu, Sep 26 - Tue, Oct 8
3:05 pm - 2:30 pmIAD-EZE
22h 25m1 stop
4:50 pm - 1:45 pmEZE-IAD
21h 55m1 stop
$916GOL
Find Deal
Fri, Aug 9 - Tue, Aug 13
4:57 pm - 3:20 pmIAD-AEP
21h 23m2 stops
5:10 pm - 11:57 amAEP-IAD
19h 47m2 stops
$960LATAM Airlines
Find Deal
Fri, Oct 4 - Sat, Oct 12
3:00 pm - 11:00 amIAD-AEP
18h 00m2 stops
7:30 pm - 11:57 amAEP-IAD
18h 27m2 stops
$1,104Delta
Find Deal
Tue, Nov 12 - Tue, Nov 26
4:55 pm - 3:35 pmIAD-AEP
20h 40m2 stops
3:30 pm - 9:58 amAEP-IAD
20h 28m2 stops
$1,141Delta
Find Deal
Sun, Dec 1 - Sat, Dec 21

Flights from Washington, D.C. to Buenos Aires - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Buenos Aires to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington, D.C. to Buenos Aires?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Buenos Aires clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington, D.C. to Buenos Aires, look for departures on Tuesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Buenos Aires, Thursday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires is May, where tickets cost $897 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $1,348 and $1,091 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Buenos Aires, you should book around 4 days before departure. For the absolute cheapest price, our data suggests you should book 88 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Buenos Aires?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Avianca ($328) and GOL ($366). The cheapest round-trip tickets were found on Avianca ($699) and LATAM Airlines ($872).

Good to know

Low season

July

High season

January

Cheapest flight

$316
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Washington Dulles Airport to Buenos Aires Ministro Pistarini

When to book flights from Washington, D.C. to Buenos Aires

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Buenos Aires flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires was $316 for a one-way ticket and $699 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Buenos Aires?

    Yes, you’ll need a passport to travel to Buenos Aires from Washington, D.C..

  • Which airports will I be using when flying from Washington, D.C. to Buenos Aires?

    Washington, D.C. is served by only 1 airport and there are 2 airports in Buenos Aires. You will leave Washington, D.C. from Washington, D.C. Dulles Intl and you will be arriving in Buenos Aires at one of these airports: Buenos Aires Jorge Newbery or Buenos Aires Ministro Pistarini.

  • Which aircraft models fly most regularly from Washington, D.C. to Buenos Aires?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Buenos Aires?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Washington, D.C. and Buenos Aires, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Buenos Aires, Delta or Copa Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Buenos Aires are Delta and Copa Airlines. With an average price for the route of $1,141 and an overall rating of 8.0, Delta is the most popular choice. Copa Airlines is also a great choice for the route, with an average price of $959 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Buenos Aires?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Buenos Aires.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Buenos Aires?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Buenos Aires?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Buenos Aires?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Washington, D.C. to Buenos Aires

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Buenos Aires. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Buenos Aires? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10277 reviews
8.0Entertainment
7.4Food
8.6Crew
7.9Comfort
8.2Boarding
Airline reviews

3 hours late and all they have is was a $12 meal voucher. That’s not even enough to cover fast food.

2.0 MediocreCraig, Jun 2024CVG - LGA
Read more about Delta reviews

3 hours late and all they have is was a $12 meal voucher. That’s not even enough to cover fast food.

Among the poorest flights I’ve had with Delta in a while. Entertainment system failed completely on a 7.5 hr flight. Crew seemed distracted and not the normal friendly crew. Flight overbooked it seemed… very crowded.

If I can, I always fly Delta. I’ve found their service to always be reliable and pleasant.

You could have not cancelled the flight (AA, which I will be flying from now on) left for BOS despite the fictitious weather issues (that no one in my Boston family could see). You could have rebooked my direct flight to another direct flight instead of sending me though JFK, the worst US airport after O’Hara You could have rebooked me on a Main Cabin seat (like the one I paid for in my original ticket instead of putting me a the last row on JFK->BOS leg, pocketing the difference in ticket price But I do not really care whether you will ever do that in a future because in a future neither I nor anyone from my company (unless they pay out of pocket) nor an of my clients and partners (if they heed my advice) will ever be caught dead on any of Delta flights

Really bad baggage handling. Had my Rimowa bag badly damaged at the latches.

It was pretty good I was worried with the short Layover that I might not catch my connection but the gate was there

It was good until there was a 3 hour delay because there was not any pilots to fly the plane.

There was plenty of overhead room but half of the passengers were told they had to check their carryon bags. My partner and I checked in as early as possible and our seats were split across the aisle.

Friendly flight attendants. Comfort plus seats were very comfortable and had lots of leg room. 10A and 10 B.

I've flown many many times on Northwest and then Delta. The crew on this flight were absolutely the best I've had the pleasure of being looked after by.

The seats had plenty of leg room and the staff were very nice.

Copa performed as expected for the amount of money I was willing to spend for the flight; it wasn’t exceptional but it was not bad in any way either. The crew was good; friendly and straightforward. The food was airplane food, so no expectations there and the entertainment was lacking but that was my fault for owning an IPhone with a charging port that’s not compatible with the rest of the world. I’d fly Copa again.

Left my bags in origin city on a business class ticket , spent about 2-3 days in the same clothes plus the flight .

the planes are not modern there are no phone chargers

As usual, the flight with normal legroom was not very comfortable, but the second flight was much better because we had paid for extra legroom. It was very nice to check our bags without an extra fee.

LOCKED MY BAG WITHOUT CONSENT. Had to have my zippers cut upon arrival in Costa Rica.

Pros: "The seats in economy were confortable. The best thing was Copa gave us seats in the second line and my family traveled together."
Cons: "Coffe service could better the experience"
Pros: "The crew was very interested on help and attentive with the passengers. But the seat wasn't comfortable. The design of the cushion is not the best to be seating"
Pros: "You were on time, that is the most important thing in a fly"
Cons: "You could improve your entertainment, you are not a cheap company"
Pros: "That there was seltzer"
Cons: "The management of preparing the flight and plane so that it was ready for the trip!!"

Everything was as you would expect in coach - fine. Flight was close to on time.

No air in the middle rows. Had a hard time breathing. Was dying of heat.

Horrific checkin procedure with neither Delta nor Latam figuring out how to check me in. 4 hrs on customer support with both and both airlines pointing to each other who should do checking. I was not checked in until morning of flight, which for international flight is concerning.

It was a good experience, the flight was a little too long & the food was ok

We had 2 delayed LATAM flights in our trip. We were only given one coffee for 5 hours delay. Also when we were boarding the crew wanted to charge us for our allowed carry on luggage. I got a bit angry and they finally didn’t charge anything. Not flying with LATAM again.

the flight from Boston to Curitiba was on time actually 30 minutes earlier. latam was not able to unload the luggage for custom checkup in Sao Paulo ii took two and half hours . i missed the flight to Curitiba spend the night in hotel and then flying in the morning to Curitiba

Tough flight with turbulence… I was told by a fellow passenger that it is common. Nonetheless, very stressful. Cordial staff.

Very unprofessional staff in the checking and boarding. There was no space for my carry-on bag, which is understandable for a full flight. However, the rudeness in answering my questions about my bag were unnecessary. Shaming and threatening a passenger to be left behind was something I had never experienced (I am 57 years old and a Skymiles member) before. At a minimum, the boarding staff (Krystal Mejia and her manager Dee) should undergo further training on cultural sensitivity and professional skills on speaking with passengers. Krystal, just because I have dark hair and “look Latina” does not mean I can speak Spanish. Your assumption and threatening words until the very ending of my boarding (door of the airplane) were not only unnecessary and stressful but something that a passenger should not experience before boarding.

The flight from PDX to New York was cancelled, and I got rebooked one day later. Because of this I missed a meeting at my final destination, EZE. I now need to stay longer in Argentina, and was told the tariff difference was $780 plus $150 penalty! I am not using my return ticket, and have purchased a one way ticket EZE-PDX for $606 with another airline. SHAMEFUL

Pros: "Muito confortável. Boarding muito rápido. Muito bem atendido a bordo."
Cons: "Infelizmente o serviço de bordo não pode ser apreciado, mas entendo que é pela segurança dos passageiros."

No water for a 5 hour flight entertainment not working seats with little room for knees when person in front of me reclined kept bumping my knees.

I don't think anyone actually reads these comments, so I won't spend much time on this submission. If you want to talk, you know how to reach me. The D/FW manager of Avianca (self-identified), Juan Calderon, insisted I buy an onward ticket from San Salvador even though I have diplomatic status in El Salvador and live here. It cost me $1,393 and Mr Calderon would not let me make the ticked flexible so I could get a refund. He went out of his way to be rude to me. He gave me seat 32K -- windowless window seat in the last row and did not offer to let me upgrade even though there were plenty of seats. I have flown well over a million miles in my life and this is the worst experience I have ever had. I would like a refund on the ticket I was forced to buy. Just awful!

This is the Spirit of Latino travel. And don’t even get me started on customer service.

Awful. I checked in online and there was no option to pay for baggage, at the airport when I checked in my baggage was received and Iwas not charged. When I got to LA during the boarding process I was told I didn't pay for baggage, the crew resolved I was let in the plane. When I got to my final destination my baggage was not there. It took me two days to receive my baggage. Bad service ever!

The temperature was cold and the food that we had to pay for was awful. The crew didn’t even offer a free glass of water. It was a long, expensive and uncomfortable flight.

There was no food or drink service, couldn’t even get a glass of water for free. It was a long and expensive flight to not offer food or beverage on the plane.

It is better at the jfk than my home country. It was very easy and everything was on time.

There is no food. There is no in-inflight entertainment. The seats are cardboard. The airline is a living hellscape.

My experience was amazing! They helped my elderly mother board on early through a wheelchair and were accommodating to have us sit together since our seats were in different locations. When landing at the airport in GUA they were very helpful with full of hospitality.

No complimentary snacks food, beverage (not even water), pillow and blanket on a 6 hours long flight (including economy comfort). A low form of nickeling an diming. Lost a recurring passanger over a soda. Avianca never again.

This is by far the worst experience I have had with American Airlines. The start of this trip was a complete disaster. I purposely planned my trip so that I would weather any delays so that I could make very important meeting at the Pentagon. My flight was cancelled because of maintenance and I was put on the first flight the next day but I was late to the meeting. After a long week at the Pentagon I just wanted to go home and my flight home which was early in the day was delayed. Eventually the flight was delayed until the next day. I was not authorized a hotel room because DCA was my point of origin. So I paid for a hotel out of pocket. The flight this morning was boarded then deplaned because the aircraft was hot. The flow of information was not happening in DCA and made it worse when the news was bad. I am going to take a break from American for my next few military flights. Hopefully whatever has been going on with American Airlines will be resolved.

AA1537 the AC was not working properly. It was very hot and uncomfortable.

The preferred seats where awful. Impossible to use them again

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Perfect flight. On time departure and early arrival. Smooth flight.

Book cheap flights from Washington, D.C. to Buenos Aires

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Buenos Aires found on KAYAK in the last 72 hours.
6/17Mon
3 stops
22h 20mIAD-EZE
$316
10/16Wed
3 stops
33h 45mIAD-EZE
$326
10/15Tue
3 stopsAvianca
25h 00mIAD-EZE
$328
8/30Fri
3 stopsAvianca
20h 35mIAD-EZE
$377
10/21Mon
1 stopCopa Airlines
21h 30mIAD-EZE
$471
6/17Mon
2 stopsLATAM Airlines
17h 30mIAD-AEP
$474
6/17Mon
2 stopsLATAM Airlines
16h 40mIAD-EZE
$474
8/3Sat
1 stopCopa Airlines
21h 30mIAD-EZE
$523
8/4Sun
1 stopDelta
15h 48mIAD-EZE
$587
10/22Tue
2 stopsDelta
16h 40mIAD-EZE
$782

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Last minute flights from Washington, D.C. to Buenos Aires

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Buenos Aires that are departing in the next 10 days.
6/14Fri
multi-stop
22h 15mIAD-EZE
6/21Fri
multi-stop
29h 00mEZE-IAD
$952
6/16Sun
multi-stop
24h 40mIAD-EZE
6/24Mon
multi-stop
18h 35mEZE-IAD
$960
6/12Wed
multi-stopDelta
20h 10mIAD-EZE
6/26Wed
multi-stopDelta
16h 40mEZE-IAD
$974
6/14Fri
multi-stopDelta
13h 25mIAD-EZE
6/21Fri
multi-stopDelta
28h 59mEZE-IAD
$979
6/16Sun
multi-stopAvianca
20h 35mIAD-EZE
6/24Mon
multi-stopAvianca
18h 35mEZE-IAD
$1,051
6/13Thu
multi-stopCopa Airlines
21h 24mIAD-EZE
6/23Sun
multi-stopCopa Airlines
18h 44mEZE-IAD
$1,069
6/13Thu
multi-stopCopa Airlines
18h 33mIAD-EZE
6/21Fri
multi-stopCopa Airlines
15h 04mEZE-IAD
$1,151
6/16Sun
multi-stopAvianca
20h 35mIAD-EZE
6/23Sun
multi-stopAvianca
24h 35mEZE-IAD
$1,169
6/14Fri
multi-stopAmerican Airlines
28h 50mIAD-EZE
6/27Thu
multi-stopAmerican Airlines
27h 30mEZE-IAD
$1,255
6/13Thu
multi-stopAmerican Airlines
26h 10mIAD-EZE
6/17Mon
multi-stopAmerican Airlines
27h 30mEZE-IAD
$1,395

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Washington, D.C. - Buenos Aires Flights

Departure:

Washington, D.C. (IAD)United States

Return flight deals:

Buenos Aires - Washington, D.C.

Cabin classes: