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$512+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
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 December 1, 2025.

This Lufthansa deal was found by Cheapflights users on 12/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:20 pmDEN - BSL
1 stop11h 45mLufthansa
Wed 12/3110:35 amBSL - DEN
1 stop13h 25mLufthansa
Deal found 12/1$1,117
This Gotogate deal was found by Cheapflights users on 11/29. 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.
Sat 11/297:20 pmDEN - BSL
1 stop30h 40mTurkish Airlines
Wed 12/36:05 pmBSL - DEN
1 stop31h 30mTurkish Airlines
Deal found 11/29$1,141
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/2410:14 amDEN - BSL
2 stops21h 51mUnited Airlines
Wed 12/319:50 amBSL - DEN
2 stops17h 38mUnited Airlines
Deal found 12/1$1,215
This Ovago deal was found by Cheapflights users on 12/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:20 pmDEN - BSL
1 stop11h 45mLufthansa
Thu 1/12:10 pmBSL - DEN
2 stops18h 05mLufthansa
Deal found 12/1$1,307
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/235:30 pmDEN - BSL
2 stops38h 35mUnited Airlines
Tue 12/309:50 amBSL - DEN
1 stop17h 05mUnited Airlines
Deal found 12/1$1,329
This Ovago deal was found by Cheapflights users on 12/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:26 pmDEN - BSL
2 stops37h 09mMultiple Airlines
Wed 12/3110:35 amBSL - DEN
1 stop13h 25mMultiple Airlines
Deal found 12/1$1,348
This Lufthansa deal was found by Cheapflights users on 12/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:45 pmDEN - BSL
1 stop16h 45mLufthansa
Wed 12/3110:35 amBSL - DEN
1 stop13h 25mLufthansa
Deal found 12/1$1,403
This Ovago deal was found by Cheapflights users on 12/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:55 pmDEN - BSL
1 stop13h 50mLufthansa
Mon 12/228:15 pmBSL - DEN
1 stop30h 40mLufthansa
Deal found 12/1$1,444

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 December 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$673
(lol.travel)

One-way from

$512
(Cheapflightsfares)

Popular in

May

Cheapest in

August

Average price

$935
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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Highest demand for flights based on searches. 27% potential increase in price ($496 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease ($236 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 1, 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 1/19

11:15 am-1:15 pm

2 stops18h 00m

Basel EuroAirport Swiss

Mon 2/2

7:05 pm-10:23 am

2 stops47h 18m

$683

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 2/4

5:25 pm-10:15 am

1 stop32h 50m

Basel EuroAirport Swiss

Thu 2/19

6:05 am-3:30 pm

1 stop17h 25m

$685

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 2/4

5:25 pm-6:40 pm

1 stop17h 15m

Basel EuroAirport Swiss

Mon 2/16

4:00 pm-3:30 pm

1 stop31h 30m

$685

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 2/4

5:25 pm-2:55 pm

1 stop13h 30m

Basel EuroAirport Swiss

Tue 2/17

7:00 am-3:30 pm

1 stop16h 30m

$685

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/3

5:25 pm-10:15 am

1 stop32h 50m

Basel EuroAirport Swiss

Wed 2/18

6:20 am-3:30 pm

1 stop17h 10m

$685

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/3

12:07 pm-1:50 pm

2 stops17h 43m

Basel EuroAirport Swiss

Wed 2/18

11:15 am-12:25 am

2 stops21h 10m

$694

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/3

4:20 pm-7:40 pm

1 stop19h 20m

Basel EuroAirport Swiss

Thu 2/19

6:30 am-1:40 pm

1 stop15h 10m

$694

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 2/4

6:41 am-9:50 am

2 stops19h 09m

Basel EuroAirport Swiss

Mon 2/16

11:15 am-3:02 pm

2 stops35h 47m

$694

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/3

7:05 am-9:50 am

2 stops18h 45m

Basel EuroAirport Swiss

Mon 2/16

11:15 am-3:02 pm

2 stops35h 47m

$694

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 2/2

12:30 am-9:50 am

2 stops25h 20m

Basel EuroAirport Swiss

Thu 2/19

6:05 am-3:02 pm

2 stops16h 57m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 23 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.

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 32h 50m. British Airways provides one of the quickest options available for as low as $685. 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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