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$416+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 26, 2026.

This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:22 am
DEN
-
BSL
2 stops25h 43m
British Airways
Thu 3/53:40 pm
BSL
-
DEN
1 stop31h 50m
British Airways
Deal found 1/24$522
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:25 pm
DEN
-
BSL
1 stop20h 10m
British Airways
Mon 3/210:55 am
BSL
-
DEN
2 stops19h 45m
British Airways
Deal found 1/24$527
This American Airlines deal was found by Cheapflights users on 1/24. 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 2/234:03 pm
DEN
-
BSL
2 stops18h 12m
American Airlines
Mon 3/26:15 am
BSL
-
DEN
2 stops20h 36m
American Airlines
Deal found 1/24$540
This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:15 am
DEN
-
BSL
3 stops24h 45m
Multiple Airlines
Tue 3/177:35 am
BSL
-
DEN
2 stops19h 20m
Multiple Airlines
Deal found 1/24$641
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:40 pm
DEN
-
BSL
2 stops16h 25m
British Airways
Sat 12/127:10 am
BSL
-
DEN
1 stop16h 20m
British Airways
Deal found 1/24$677
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:40 pm
DEN
-
BSL
1 stop20h 10m
British Airways
Sun 8/97:15 am
BSL
-
DEN
1 stop17h 15m
British Airways
Deal found 1/24$714
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:05 pm
DEN
-
BSL
2 stops20h 25m
Multiple Airlines
Wed 10/219:00 pm
BSL
-
DEN
2 stops26h 40m
Multiple Airlines
Deal found 1/25$744
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:25 pm
DEN
-
BSL
1 stop37h 50m
Turkish Airlines
Wed 10/217:10 pm
BSL
-
DEN
1 stop31h 15m
Turkish Airlines
Deal found 1/25$790
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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.
Tue 2/245:45 pm
DEN
-
BSL
1 stop11h 50m
Lufthansa
Tue 3/310:35 am
BSL
-
DEN
1 stop13h 25m
Lufthansa
Deal found 1/25$811

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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$522
(oojo)

One-way from

$416
(British Airways)
Provider with most accurate pricing for Denver Intl-Basel EuroAirport Swiss flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Basel EuroAirport Swiss flights.
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From Denver Intl to Basel EuroAirport Swiss
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One-way flight from Denver Intl to Basel EuroAirport Swiss
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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 26, 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

Thu 2/26

9:22 am-7:05 pm

2 stops25h 43m

Basel EuroAirport Swiss

Thu 3/5

3:40 pm-3:30 pm

1 stop31h 50m

$522

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 2/23

5:25 pm-10:15 am

1 stop32h 50m

Basel EuroAirport Swiss

Mon 3/2

6:15 am-3:30 pm

1 stop17h 15m

$524

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 3/10

9:10 am-10:20 pm

2 stops30h 10m

Basel EuroAirport Swiss

Tue 3/17

7:05 pm-9:36 pm

2 stops33h 31m

$525

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 2/23

4:03 pm-6:15 pm

2 stops18h 12m

Basel EuroAirport Swiss

Mon 3/2

6:15 am-6:51 pm

2 stops20h 36m

$540

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sat 7/25

6:40 pm-10:50 pm

1 stop20h 10m

Basel EuroAirport Swiss

Sun 8/9

7:15 am-4:30 pm

1 stop17h 15m

$714

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 3/2

11:15 am-10:00 am

2 stops14h 45m

Basel EuroAirport Swiss

Tue 3/10

10:35 am-5:00 pm

1 stop13h 25m

$815

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/24

5:45 pm-1:35 pm

1 stop11h 50m

Basel EuroAirport Swiss

Tue 3/3

10:35 am-7:31 pm

2 stops16h 56m

$820

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 2/22

8:20 pm-7:40 pm

1 stop15h 20m

Basel EuroAirport Swiss

Sun 3/1

1:10 pm-6:55 pm

1 stop13h 45m

$875

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 7/19

6:40 pm-10:50 pm

1 stop20h 10m

$416

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 6/2

11:25 am-8:35 pm

3 stops25h 10m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 17 results
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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 25h 43m. British Airways provides one of the quickest options available for as low as $522. The distance from Denver to Basel EuroAirport Swiss is about 5101 mi.

  • 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

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