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BSL - DEN

$650 Find cheap flights from Basel to Denver

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Basel to Denver departing on 9/2. 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 Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Basel to Denver, 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 Basel to Denver, 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:

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Cheap flight deals from Basel to Denver (BSL-DEN)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Basel to Denver 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.
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1:30 pm - 6:35 pmBSL-DEN
13h 05m1 stop
5:35 pm - 5:40 pmDEN-BSL
16h 05m1 stop
$650Lufthansa
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Mon, Sep 2 - Sun, Sep 15
6:50 am - 1:25 pmBSL-DEN
14h 35m1 stop
5:35 pm - 5:40 pmDEN-BSL
16h 05m1 stop
$653Lufthansa
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Mon, Sep 2 - Sun, Sep 15
6:50 am - 6:53 amBSL-DEN
32h 03m2 stops
8:30 pm - 7:45 pmDEN-BSL
39h 15m2 stops
$655United Airlines
Find Deal
Mon, Sep 2 - Sun, Sep 15
8:15 pm - 6:35 pmBSL-DEN
30h 20m1 stop
8:20 pm - 7:35 pmDEN-BSL
15h 15m1 stop
$656United Airlines
Find Deal
Sun, Jun 30 - Sun, Jul 7
6:35 am - 9:14 pmBSL-DEN
22h 39m2 stops
10:42 am - 10:55 amDEN-BSL
16h 13m2 stops
$686British Airways
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Thu, Aug 8 - Tue, Aug 20
7:05 am - 9:15 pmBSL-DEN
22h 10m2 stops
12:09 pm - 11:00 amDEN-BSL
38h 51m2 stops
$691American Airlines
Find Deal
Sun, Jun 30 - Sun, Jul 7
6:35 am - 9:14 pmBSL-DEN
22h 39m2 stops
3:58 pm - 6:15 pmDEN-BSL
18h 17m2 stops
$734British Airways
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Thu, Aug 8 - Sat, Aug 17
8:25 pm - 1:40 pmBSL-DEN
25h 15m2 stops
11:15 am - 1:40 pmDEN-BSL
18h 25m2 stops
$924
Find Deal
Mon, Aug 5 - Mon, Aug 19
8:30 am - 9:38 pmBSL-DEN
21h 08m2 stops
6:00 am - 6:10 pmDEN-BSL
28h 10m2 stops
$1,195
Find Deal
Mon, Oct 14 - Mon, Nov 4
11:45 am - 10:11 pmBSL-DEN
18h 26m2 stops
6:35 pm - 10:55 pmDEN-BSL
20h 20m1 stop
$1,622American Airlines
Find Deal
Fri, Aug 2 - Tue, Aug 20

Flights from Basel to Denver - Travel Insights & Trends

Get data-powered insights and trends into flights from Basel to Denver to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Basel EuroAirport Swiss to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Basel EuroAirport Swiss to Denver, 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 Basel EuroAirport Swiss to Denver is March, where tickets cost $401 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,233 and $1,103 respectively.

Which airlines provide the cheapest flights from Basel to Denver?

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 American Airlines ($938) and Turkish Airlines ($1,029). The cheapest round-trip tickets were found on Lufthansa ($650) and United Airlines ($655).

Good to know

Low season

April

High season

January

Cheapest flight

$650
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Basel to Denver

When to book flights from Basel to Denver

Are your dates flexible? Find out the best times to travel from Basel to Denver 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 Basel to Denver flights

  • What is the cheapest flight from Basel EuroAirport Swiss to Denver?

    In the last 3 days, the lowest price for a flight from Basel EuroAirport Swiss to Denver was $927 for a one-way ticket and $650 for a round-trip.

  • Do I need a passport to fly between Basel and Denver?

    Yes

  • Which airports will I be using when flying from Basel to Denver?

    Basel and Denver are both served by 1 main airport. You will leave Basel from Basel EuroAirport Swiss and will be arriving at Denver Intl.

  • Which aircraft models fly most regularly from Basel to Denver?

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

  • Which airline alliances offer flights from Basel to Denver?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Basel and Denver, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Basel to Denver?

    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 Basel to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Basel to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Basel 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 Basel to Denver?

    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 Denver with an airline and back to Basel with another airline. Booking your flights between Basel and DEN 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 Basel to Denver?

    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 Denver from Basel 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 Basel to Denver

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Basel to Denver found on KAYAK in the last 72 hours.
8/1Thu
2 stops
23h 36mBSL-DEN
$927
8/1Thu
1 stopAmerican Airlines
17h 55mBSL-DEN
$938
9/27Fri
2 stops
21h 02mBSL-DEN
$941
8/1Thu
2 stopsAmerican Airlines
22h 16mBSL-DEN
$948
8/24Sat
2 stops
23h 28mBSL-DEN
$953
8/2Fri
2 stops
23h 31mBSL-DEN
$1,021
8/1Thu
1 stopTurkish Airlines
30h 45mBSL-DEN
$1,029
8/1Thu
3 stops
26h 10mBSL-DEN
$1,164
8/2Fri
1 stopAir France
12h 40mBSL-DEN
$1,531
7/28Sun
2 stops
20h 53mBSL-DEN
$1,713

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Basel - Denver Flights

Departure:

Basel (BSL)Switzerland

Destination:

Denver (DEN)United States

Return flight deals:

Denver - Basel

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