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$598+ Cheap flights from Denver (DEN) to Basel EuroAirport Swiss (BSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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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 agosto 18, 2025.

Round-trip from

$598
(Cheapflightsfares)

Popular in

November

Cheapest in

January

Average price

$1,125
From Denver Intl to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 6% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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.
dom. 11/95:25 pmDEN - BSL
1 stop20h 55mBritish Airways
mié. 11/266:20 amBSL - DEN
1 stop17h 10mBritish Airways
Deal found 8/16$598
This British Airways deal was found by Cheapflights users on 8/17. 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.
lun. 11/35:25 pmDEN - BSL
1 stop13h 10mBritish Airways
jue. 11/136:05 amBSL - DEN
1 stop17h 25mBritish Airways
Deal found 8/17$601
This Ovago deal was found by Cheapflights users on 8/17. 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.
mar. 11/42:48 pmDEN - BSL
2 stops16h 17mBritish Airways
jue. 11/136:05 amBSL - DEN
1 stop17h 25mBritish Airways
Deal found 8/17$611
This American Airlines deal was found by Cheapflights users on 8/17. 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.
mié. 11/511:27 amDEN - BSL
2 stops19h 28mAmerican Airlines
vie. 11/147:00 amBSL - DEN
2 stops23h 22mAmerican Airlines
Deal found 8/17$614
This Expedia deal was found by Cheapflights users on 8/16. 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.
sáb. 11/15:04 pmDEN - BSL
2 stops46h 16mBritish Airways
lun. 11/104:00 pmBSL - DEN
1 stop31h 30mBritish Airways
Deal found 8/16$617
This British Airways deal was found by Cheapflights users on 8/17. 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.
dom. 11/25:25 pmDEN - BSL
1 stop32h 50mBritish Airways
lun. 11/174:00 pmBSL - DEN
1 stop31h 30mBritish Airways
Deal found 8/17$651
This British Airways deal was found by Cheapflights users on 8/16. 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.
lun. 12/112:27 pmDEN - BSL
2 stops18h 08mBritish Airways
dom. 12/146:35 amBSL - DEN
1 stop16h 55mBritish Airways
Deal found 8/16$656
This Ovago deal was found by Cheapflights users on 8/17. 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.
mar. 11/42:48 pmDEN - BSL
2 stops16h 17mBritish Airways
sáb. 11/157:10 amBSL - DEN
1 stop16h 20mBritish Airways
Deal found 8/17$661
This oojo deal was found by Cheapflights users on 8/16. 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.
sáb. 11/18:20 pmDEN - BSL
1 stop30h 40mTurkish Airlines
lun. 11/106:05 pmBSL - DEN
1 stop31h 30mTurkish Airlines
Deal found 8/16$695

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 agosto 18, 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

dom. 11/9

5:25 pm-10:20 pm

1 stop20h 55m

Basel EuroAirport Swiss

mié. 11/26

6:20 am-3:30 pm

1 stop17h 10m

$598

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 11/4

5:25 pm-3:05 pm

1 stop13h 40m

Basel EuroAirport Swiss

lun. 11/17

4:00 pm-3:30 pm

1 stop31h 30m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 11/3

5:25 pm-6:15 pm

1 stop16h 50m

Basel EuroAirport Swiss

lun. 11/17

4:00 pm-3:30 pm

1 stop31h 30m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 11/4

5:25 pm-10:15 am

1 stop32h 50m

Basel EuroAirport Swiss

mié. 11/12

3:50 pm-3:30 pm

1 stop31h 40m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 11/4

5:25 pm-3:05 pm

1 stop13h 40m

Basel EuroAirport Swiss

vie. 11/14

7:00 am-3:30 pm

1 stop16h 30m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 11/3

5:25 pm-2:35 pm

1 stop13h 10m

Basel EuroAirport Swiss

jue. 11/13

6:05 am-3:30 pm

1 stop17h 25m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 11/4

5:25 pm-10:15 am

1 stop32h 50m

Basel EuroAirport Swiss

mar. 11/11

7:00 am-3:30 pm

1 stop16h 30m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 11/3

5:25 pm-2:35 pm

1 stop13h 10m

Basel EuroAirport Swiss

mié. 11/12

3:50 pm-3:30 pm

1 stop31h 40m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 11/3

5:25 pm-2:35 pm

1 stop13h 10m

Basel EuroAirport Swiss

mar. 11/11

7:00 am-3:30 pm

1 stop16h 30m

$601

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mié. 11/5

5:25 pm-10:05 pm

1 stop20h 40m

Basel EuroAirport Swiss

mar. 11/11

3:30 pm-3:30 pm

1 stop32h 00m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 20 results
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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 agosto 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Basel EuroAirport Swiss as you normally would.

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Basel. Reviews last updated agosto 18, 2025.
Read through reviews of airlines operating flights from Denver to Basel EuroAirport Swiss, such as Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,330 reviews

Crew

7.6

Boarding

7.0

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,330 reviews
Lufthansa
6.8
Okay
7,330 reviews

Crew

7.6

Boarding

7.0

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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 20h 55m. British Airways provides one of the quickest options available for as low as $598. The distance from Denver to Basel EuroAirport Swiss is about 5101 mi.

  • What is the cheapest airline to fly from Denver to Basel EuroAirport Swiss round-trip?

    Our cheapest airline available from Denver to Basel EuroAirport Swiss is Lufthansa. Our recent data shows that you can find tickets from as low as $667 on this airline. Lufthansa is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Basel EuroAirport Swiss (average of $545). Flying from Denver to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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

Top airline flying from Denver to Basel

Discover the top airline that operate flights from Denver to Basel. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$582Average$1,025FlexibilityNo cancel feeOn-time76%

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