HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$570+ Cheap flights from Denver (DEN) to Basel EuroAirport Swiss (BSL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Basel

Cheapest flights from Denver to Basel
Explore the most affordable flight options available from Denver to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This lol.travel deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:20 pm
DEN
-
BSL
1 stop15h 45m
Lufthansa
Wed 4/18:25 am
BSL
-
DEN
1 stop15h 15m
Lufthansa
Deal found 1/20$658
This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:25 pm
DEN
-
BSL
2 stops16h 50m
Multiple Airlines
Wed 4/12:50 pm
BSL
-
DEN
2 stops33h 45m
Multiple Airlines
Deal found 1/20$680
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:25 pm
DEN
-
BSL
1 stop16h 50m
American Airlines
Wed 4/16:40 am
BSL
-
DEN
1 stop17h 50m
American Airlines
Deal found 1/20$687
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:35 pm
DEN
-
BSL
2 stops14h 30m
United Airlines
Wed 4/19:50 am
BSL
-
DEN
1 stop12h 30m
United Airlines
Deal found 1/20$699
This Cheapflightsfares deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:45 pm
DEN
-
BSL
1 stop11h 50m
Lufthansa
Tue 3/1710:35 am
BSL
-
DEN
1 stop13h 25m
Lufthansa
Deal found 1/20$700
This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:15 am
DEN
-
BSL
2 stops14h 40m
Multiple Airlines
Tue 3/1710:35 am
BSL
-
DEN
1 stop13h 25m
Multiple Airlines
Deal found 1/20$705
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:20 pm
DEN
-
BSL
1 stop15h 45m
Lufthansa
Fri 12/1110:35 am
BSL
-
DEN
1 stop13h 25m
Lufthansa
Deal found 1/20$730
This Expedia deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:20 pm
DEN
-
BSL
1 stop15h 45m
Multiple Airlines
Fri 12/116:45 am
BSL
-
DEN
2 stops18h 59m
Multiple Airlines
Deal found 1/20$732
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:20 pm
DEN
-
BSL
1 stop15h 20m
United Airlines
Tue 3/179:50 am
BSL
-
DEN
1 stop17h 05m
United Airlines
Deal found 1/20$734

Find flight deals from Denver to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Basel (BSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$658
(lol.travel)

One-way from

$570
(Cheapflightsfares)
Provider with most accurate pricing for Denver Intl-Basel EuroAirport Swiss flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Basel EuroAirport Swiss flights.
Search Deals
From Denver Intl to Basel EuroAirport Swiss
Search Deals
One-way flight from Denver Intl to Basel EuroAirport Swiss
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Basel that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2026.
Use the filters below to find and compare flights from Denver to Basel EuroAirport Swiss that are best for you.

Fly from

Denver

Fly to

Basel

Route

Depart

Return

Price

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 3/16

5:20 pm-7:40 pm

1 stop19h 20m

Basel EuroAirport Swiss

Wed 4/1

11:10 am-10:15 am

2 stops31h 05m

$686

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/4

8:20 pm-7:40 pm

1 stop15h 20m

Basel EuroAirport Swiss

Tue 3/17

9:50 am-7:55 pm

1 stop17h 05m

$734

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/4

10:20 am-10:05 pm

2 stops27h 45m

Basel EuroAirport Swiss

Tue 3/17

7:00 am-9:36 pm

2 stops21h 36m

$734

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/17

1:30 pm-12:30 pm

2 stops15h 00m

Basel EuroAirport Swiss

Tue 2/24

9:50 am-6:55 pm

1 stop17h 05m

$738

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 3/2

8:20 pm-7:40 pm

1 stop15h 20m

Basel EuroAirport Swiss

Wed 3/18

9:50 am-7:55 pm

1 stop17h 05m

$739

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/4

3:20 pm-4:05 pm

2 stops16h 45m

Basel EuroAirport Swiss

Wed 3/18

9:50 am-7:55 pm

1 stop17h 05m

$739

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 3/3

11:15 am-12:30 pm

2 stops17h 15m

Basel EuroAirport Swiss

Wed 3/18

9:50 am-3:35 pm

1 stop12h 45m

$739

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 3/2

8:20 pm-4:05 pm

1 stop11h 45m

Basel EuroAirport Swiss

Tue 3/17

9:50 am-7:55 pm

1 stop17h 05m

$739

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 3/2

8:20 pm-4:05 pm

1 stop11h 45m

Basel EuroAirport Swiss

Thu 3/19

9:50 am-3:35 pm

1 stop12h 45m

$739

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 3/3

9:36 am-12:30 pm

2 stops18h 54m

Basel EuroAirport Swiss

Thu 3/19

9:50 am-7:55 pm

1 stop17h 05m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 18 results
1
2

Compare providers for flights from Denver to Basel

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Basel in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Basel EuroAirport Swiss flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Basel EuroAirport Swiss flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Basel EuroAirport Swiss flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Basel EuroAirport Swiss flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Denver to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Basel EuroAirport Swiss?

    A quick flight from Denver to Basel EuroAirport Swiss can take about 15h 20m. United Airlines provides one of the quickest options available for as low as $734. The distance from Denver to Basel EuroAirport Swiss is about 5101 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Denver to Basel that include hotel bookings?

    Yes. In addition to deals on Denver to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Basel.

  • Can I find deals for business class flights from Denver to Basel?

    Yes. Cheapflights offers flight deals from Denver to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Basel

See prices for flight routes from nearby airports that may be better suited for you.
Aspen to Basel flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.