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$511+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/412:09 pmDEN - BSL
2 stops18h 56mAmerican Airlines
Thu 12/116:05 amBSL - DEN
2 stops20h 56mAmerican Airlines
Deal found 11/5$549
This British Airways deal was found by Cheapflights users on 11/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:25 pmDEN - BSL
1 stop16h 50mBritish Airways
Sun 12/144:25 pmBSL - DEN
1 stop31h 05mBritish Airways
Deal found 11/6$561
This Gurufare deal was found by Cheapflights users on 11/5. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:09 pmDEN - BSL
2 stops18h 56mBritish Airways
Thu 12/116:05 amBSL - DEN
1 stop17h 25mBritish Airways
Deal found 11/5$571
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 12/35:45 pmDEN - BSL
1 stop11h 50mLufthansa
Wed 12/1010:35 amBSL - DEN
1 stop13h 25mLufthansa
Deal found 11/5$716
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/14:10 pmDEN - BSL
2 stops18h 05mAmerican Airlines
Sun 12/141:30 pmBSL - DEN
2 stops18h 27mAmerican Airlines
Deal found 11/4$734
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:15 amDEN - BSL
2 stops18h 20mMultiple Airlines
Tue 12/910:35 amBSL - DEN
2 stops30h 18mMultiple Airlines
Deal found 11/5$741
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Thu 12/44:20 pmDEN - BSL
1 stop12h 10mLufthansa
Fri 12/129:50 amBSL - DEN
1 stop12h 45mLufthansa
Deal found 11/4$753

Cheap 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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$516
(British Airways)

One-way from

$511
(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 November 6, 2025.
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 12/1

5:25 pm-6:15 pm

1 stop16h 50m

Basel EuroAirport Swiss

Sun 12/14

4:25 pm-3:30 pm

1 stop31h 05m

$561

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 12/4

5:25 pm-7:05 pm

1 stop17h 40m

Basel EuroAirport Swiss

Thu 12/11

6:05 am-3:30 pm

1 stop17h 25m

$562

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 1/12

5:42 pm-4:05 pm

2 stops14h 23m

Basel EuroAirport Swiss

Tue 1/20

9:50 am-2:35 pm

1 stop12h 45m

$665

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 1/13

4:20 pm-12:30 pm

1 stop12h 10m

Basel EuroAirport Swiss

Tue 1/20

10:35 am-7:28 pm

2 stops16h 53m

$668

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 1/1

4:20 pm-12:30 pm

1 stop12h 10m

Basel EuroAirport Swiss

Fri 1/16

9:50 am-2:35 pm

1 stop12h 45m

$708

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 12/3

5:45 pm-1:35 pm

1 stop11h 50m

Basel EuroAirport Swiss

Wed 12/10

10:35 am-4:00 pm

1 stop13h 25m

$716

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 12/1

2:48 pm-6:15 pm

2 stops19h 27m

Basel EuroAirport Swiss

Sun 12/14

6:35 am-7:01 pm

2 stops20h 26m

$734

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 12/3

11:15 am-1:35 pm

2 stops18h 20m

Basel EuroAirport Swiss

Tue 12/9

10:35 am-8:53 am

2 stops30h 18m

$741

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 12/10

5:25 pm-2:55 pm

1 stop13h 30m

$511

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 12/10

7:10 am-9:50 am

2 stops18h 40m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 18 results
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  • 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 FlightHub the most. FlightHub 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Basel EuroAirport Swiss

What is the cheapest time of day to fly from DEN to BSL?

Find hourly flight availability from Denver to Basel. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

One of the essential ways to save on airfare from Denver to Basel EuroAirport Swiss is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 68% on airfare.

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 14h 23m. British Airways provides one of the quickest options available for as low as $665. 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.

  • What are the cheapest airlines to fly from Denver to Basel EuroAirport Swiss one-way?

    The cheapest airlines for a one-way flight from Denver to Basel EuroAirport Swiss are British Airways ($511), Delta ($521), and Lufthansa ($532).

  • 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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