Find flights
Deals
Insights
When to book
FAQs & Tips

IAD - SDU

$392 Find cheap flights from Washington, D.C. to Rio de Janeiro Santos Dumont

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 Santos Dumont departing on 11/1. 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 Rio de Janeiro Santos Dumont

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rio de Janeiro, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rio de Janeiro, as well as popular online travel agencies
In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Washington, D.C. to Santos Dumont (IAD-SDU)

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 Santos Dumont 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
5:03 pm - 2:30 pmIAD-SDU
20h 27m2 stops
6:50 pm - 12:02 pmSDU-IAD
19h 12m2 stops
$826LATAM Airlines
Find Deal
Fri, Sep 6 - Thu, Jan 30
11:35 am - 12:35 pmIAD-SDU
24h 00m2 stops
6:05 am - 11:58 pmSDU-IAD
18h 53m2 stops
$862LATAM Airlines
Find Deal
Thu, Sep 5 - Sat, Oct 5
10:35 pm - 8:35 pmIAD-SDU
45h 00m1 stop
5:45 pm - 6:35 amSDU-IAD
14h 50m1 stop
$987
Find Deal
Fri, Sep 6 - Thu, Jan 30
10:35 pm - 8:30 amIAD-SDU
80h 55m1 stop
7:50 am - 6:25 amSDU-IAD
23h 35m1 stop
$1,002
Find Deal
Tue, Jun 25 - Mon, Jul 29
4:00 pm - 8:35 pmIAD-SDU
27h 35m2 stops
8:40 am - 8:19 pmSDU-IAD
36h 39m2 stops
$1,103Air Canada
Find Deal
Thu, Aug 22 - Sun, Aug 25
9:55 am - 8:35 pmIAD-SDU
33h 40m2 stops
9:10 am - 8:19 pmSDU-IAD
36h 09m2 stops
$1,157Air Canada
Find Deal
Wed, Aug 7 - Sat, Aug 17
10:08 pm - 11:25 amIAD-SDU
36h 17m2 stops
5:45 pm - 6:25 amSDU-IAD
13h 40m1 stop
$1,173United Airlines
Find Deal
Fri, Sep 6 - Sat, Sep 14
10:05 pm - 11:25 amIAD-SDU
36h 20m2 stops
5:45 pm - 6:25 amSDU-IAD
13h 40m1 stop
$1,415United Airlines
Find Deal
Fri, Aug 9 - Sat, Aug 17
12:55 pm - 9:50 amIAD-SDU
19h 55m2 stops
2:00 pm - 3:49 pmSDU-IAD
26h 49m2 stops
$1,715Azul
Find Deal
Fri, Sep 6 - Mon, Sep 16
8:55 am - 9:20 amIAD-SDU
23h 25m2 stops
7:45 pm - 4:02 pmSDU-IAD
21h 17m2 stops
$2,322Azul
Find Deal
Mon, Jul 8 - Sat, Jul 13

Flights from Washington, D.C. to Santos Dumont - Travel Insights & Trends

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

Which airlines provide the cheapest flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Washington, D.C. to Rio de Janeiro Santos Dumont were found on LATAM Airlines ($826) and Air Canada ($1,103). LATAM Airlines proposed the cheapest one-way flight at $413.

Good to know

Cheapest flight

$392
Flight from Washington, D.C. to Rio de Janeiro Santos Dumont

When to book flights from Washington, D.C. to Santos Dumont

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Santos Dumont 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 Rio de Janeiro Santos Dumont flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport was $392 for a one-way ticket and $826 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Rio de Janeiro Santos Dumont?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Rio de Janeiro Santos Dumont.

  • Which airports will I be using when flying from Washington, D.C. to Rio de Janeiro Santos Dumont?

    Washington, D.C. and Rio de Janeiro Santos Dumont are both served by 1 main airport. You will leave Washington, D.C. from Washington, D.C. Dulles Intl and will be arriving at Rio de Janeiro Santos Dumont.

  • Which aircraft models fly most regularly from Washington, D.C. to Rio de Janeiro Santos Dumont?

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

  • Which airline alliances offer flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Rio de Janeiro Santos Dumont, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

    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 Rio de Janeiro Santos Dumont.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Rio de Janeiro Santos Dumont?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont 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 Rio de Janeiro Santos Dumont?

    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 Rio de Janeiro Santos Dumont with an airline and back to Washington, D.C. with another airline. Booking your flights between Washington, D.C. and SDU can sometimes prove cheaper using this method.

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

    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 Rio de Janeiro Santos Dumont 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

Book cheap flights from Washington, D.C. to Rio de Janeiro

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Rio de Janeiro found on KAYAK in the last 72 hours.
11/1Fri
3 stops
25h 20mIAD-SDU
$392
10/2Wed
2 stopsLATAM Airlines
18h 36mIAD-SDU
$413
7/9Tue
2 stopsLATAM Airlines
26h 54mIAD-SDU
$418
8/23Fri
2 stops
21h 59mIAD-SDU
$421
8/23Fri
3 stops
32h 25mIAD-SDU
$433
9/26Thu
2 stopsLATAM Airlines
20h 22mIAD-SDU
$436
9/30Mon
2 stopsAir Canada
26h 14mIAD-SDU
$656
8/2Fri
2 stopsAzul
28h 20mIAD-SDU
$837
6/26Wed
2 stopsAzul
20h 05mIAD-SDU
$838
7/17Wed
2 stopsDelta
19h 29mIAD-SDU
$1,623

Search by stops

Search by airline

Search by price

Last minute flights from Washington, D.C. to Santos Dumont

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 Rio de Janeiro that are departing in the next 10 days.
6/12Wed
multi-stopLATAM Airlines
22h 27mIAD-SDU
6/19Wed
multi-stopLATAM Airlines
18h 54mSDU-IAD
$1,056
6/12Wed
multi-stopLATAM Airlines
18h 47mIAD-SDU
6/23Sun
multi-stopLATAM Airlines
17h 24mSDU-IAD
$1,367
6/16Sun
multi-stopLATAM Airlines
18h 47mIAD-SDU
6/22Sat
multi-stopLATAM Airlines
18h 54mSDU-IAD
$1,381
6/16Sun
multi-stopLATAM Airlines
18h 47mIAD-SDU
6/22Sat
multi-stopLATAM Airlines
18h 54mSDU-IAD
$1,410
6/15Sat
multi-stop
26h 18mIAD-SDU
7/5Fri
multi-stop
21h 18mSDU-IAD
$2,057
6/15Sat
multi-stopAir Canada
26h 18mIAD-SDU
7/3Wed
multi-stopAir Canada
33h 38mSDU-IAD
$2,228
6/12Wed
multi-stopAir Canada
27h 35mIAD-SDU
6/24Mon
multi-stopAir Canada
28h 36mSDU-IAD
$2,240

Search by stops

Search by airline

Search by price

Washington, D.C. - Rio de Janeiro Santos Dumont Flights

Departure:

Washington, D.C. (IAD)United States

Destination:

Rio de Janeiro Santos Dumont (SDU)Brazil

Return flight deals:

Rio de Janeiro Santos Dumont - Washington, D.C.

Cabin classes:

Browse origins:

Browse destinations: