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$488+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$551
(American Airlines)

One-way from

$488
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$1,589
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. 10% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 8/116:35 pmDEN - BSL
1 stop15h 45mAmerican Airlines
jue. 8/216:10 amBSL - DEN
1 stop18h 15mAmerican Airlines
Deal found 6/11$551
This United Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 8/1012:57 amDEN - BSL
2 stops25h 53mUnited Airlines
jue. 8/2111:30 amBSL - DEN
2 stops18h 29mUnited Airlines
Deal found 6/11$571
This FlightHub deal was found by Cheapflights users on 6/12. 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.
mar. 8/124:15 pmDEN - BSL
1 stop12h 10mLufthansa
jue. 8/288:25 amBSL - DEN
1 stop15h 10mLufthansa
Deal found 6/12$581
This British Airways deal was found by Cheapflights users on 6/10. 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. 12/14:59 pmDEN - BSL
2 stops17h 11mBritish Airways
dom. 12/146:35 amBSL - DEN
1 stop16h 50mBritish Airways
Deal found 6/10$608
This Air Canada deal was found by Cheapflights users on 6/12. 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.
lun. 12/111:25 amDEN - BSL
2 stops17h 45mAir Canada
dom. 12/142:00 pmBSL - DEN
2 stops28h 28mAir Canada
Deal found 6/12$619
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/224:15 pmDEN - BSL
1 stop12h 10mMultiple Airlines
jue. 9/411:30 amBSL - DEN
2 stops30h 44mMultiple Airlines
Deal found 6/11$638
This FlightHub deal was found by Cheapflights users on 6/10. 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.
sáb. 10/47:50 pmDEN - BSL
1 stop38h 10mTurkish Airlines
sáb. 10/1110:35 amBSL - DEN
1 stop39h 20mTurkish Airlines
Deal found 6/10$698
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/69:21 amDEN - BSL
2 stops16h 14mDelta
dom. 7/132:25 pmBSL - DEN
2 stops15h 46mDelta
Deal found 6/9$1,266
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/258:20 pmDEN - BSL
2 stops39h 25mAustrian Airlines
vie. 8/18:25 pmBSL - DEN
2 stops49h 35mAustrian Airlines
Deal found 6/10$2,094

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 junio 12, 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

lun. 8/11

6:35 pm-6:20 pm

1 stop15h 45m

Basel EuroAirport Swiss

jue. 8/21

6:10 am-4:25 pm

1 stop18h 15m

$551

DenverBasel

DEN - BSL

DENBSL

Denver Intl

dom. 8/10

12:57 am-10:50 am

2 stops25h 53m

Basel EuroAirport Swiss

jue. 8/21

11:30 am-9:59 pm

2 stops18h 29m

$571

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 8/12

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

jue. 8/28

8:25 am-3:35 pm

1 stop15h 10m

$581

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 12/1

4:59 pm-6:10 pm

2 stops17h 11m

Basel EuroAirport Swiss

dom. 12/14

6:35 am-3:25 pm

1 stop16h 50m

$608

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 12/1

11:25 am-1:10 pm

2 stops17h 45m

Basel EuroAirport Swiss

dom. 12/14

2:00 pm-10:28 am

2 stops28h 28m

$619

DenverBasel

DEN - BSL

DENBSL

Denver Intl

vie. 8/22

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

jue. 9/4

11:30 am-10:14 am

2 stops30h 44m

$638

DenverBasel

DEN - BSL

DENBSL

Denver Intl

sáb. 10/4

7:50 pm-6:00 pm

1 stop38h 10m

Basel EuroAirport Swiss

sáb. 10/11

10:35 am-5:55 pm

1 stop39h 20m

$698

DenverBasel

DEN - BSL

DENBSL

Denver Intl

dom. 7/6

9:21 am-9:35 am

2 stops16h 14m

Basel EuroAirport Swiss

dom. 7/13

2:25 pm-10:11 pm

2 stops15h 46m

$1,266

DenverBasel

DEN - BSL

DENBSL

Denver Intl

vie. 7/25

8:20 pm-7:45 pm

2 stops39h 25m

Basel EuroAirport Swiss

vie. 8/1

8:25 pm-2:00 pm

2 stops49h 35m

$2,094

DenverBasel

DEN - BSL

DENBSL

Denver Intl

jue. 8/14

6:35 pm-6:25 pm

1 stop15h 50m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 17 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 junio 12, 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.

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

Plan your trip to Basel by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Basel EuroAirport Swiss, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 junio 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Denver to Basel EuroAirport Swiss round-trip?

    Our cheapest airline available from Denver to Basel EuroAirport Swiss is American Airlines. Our recent data shows that you can find tickets from as low as $551 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $571 and $581 round-trip. American Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • 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 ($488), American Airlines ($493), and Lufthansa ($510).

  • 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$582Average$1,025FlexibilityNo cancel feeOn-time76%

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