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$618+ Cheap flights from Basel EuroAirport Swiss (BSL) to Denver (DEN)

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — DEN
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Basel to Denver

Cheapest flights from Basel to Denver
Explore the most affordable flight options available from Basel to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This Lufthansa deal was found by Cheapflights users on 12/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:35 amBSL - DEN
1 stop13h 25mLufthansa
Mon 1/58:20 pmDEN - BSL
1 stop11h 45mLufthansa
Deal found 12/12$1,049
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:50 amBSL - DEN
1 stop12h 45mUnited Airlines
Mon 1/56:00 amDEN - BSL
2 stops26h 05mUnited Airlines
Deal found 12/12$1,056
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:05 amBSL - DEN
2 stops19h 13mDelta
Mon 1/56:41 amDEN - BSL
2 stops19h 09mDelta
Deal found 12/12$1,279
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
Mon 12/2210:10 amBSL - DEN
2 stops16h 45mMultiple Airlines
Thu 12/2511:20 amDEN - BSL
2 stops14h 35mMultiple Airlines
Deal found 12/14$1,289
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:10 pmBSL - DEN
1 stop13h 45mUnited Airlines
Mon 1/58:20 pmDEN - BSL
1 stop11h 45mUnited Airlines
Deal found 12/12$1,368
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:50 amBSL - DEN
1 stop12h 45mUnited Airlines
Mon 1/58:20 pmDEN - BSL
1 stop11h 45mUnited Airlines
Deal found 12/12$1,508
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:10 pmBSL - DEN
1 stop33h 25mUnited Airlines
Mon 1/58:20 pmDEN - BSL
1 stop11h 45mUnited Airlines
Deal found 12/12$1,518
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:05 amBSL - DEN
2 stops17h 08mDelta
Mon 1/511:38 amDEN - BSL
2 stops18h 12mDelta
Deal found 12/12$1,585

Find flight deals from Basel to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Denver (DEN). 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 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$745
(Flysmarter)

One-way from

$618
(Cheapflightsfares)

Popular in

May

Cheapest in

September

Average price

$904
Provider with most accurate pricing for Basel (EAP)-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Basel (EAP)-Denver Intl flights.
Search Deals
From Basel EuroAirport Swiss to Denver Intl
Search Deals
One-way flight from Basel EuroAirport Swiss to Denver Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Basel to Denver 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 14, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to Denver that are best for you.

Fly from

Basel

Fly to

Denver

Route

Depart

Return

Price

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 1/28

6:20 am-8:53 pm

2 stops22h 33m

Denver Intl

Wed 2/4

10:45 am-2:55 pm

2 stops20h 10m

$738

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 1/28

6:20 am-8:53 pm

2 stops22h 33m

Denver Intl

Wed 2/4

5:25 pm-2:55 pm

1 stop13h 30m

$747

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 6/10

6:40 am-4:34 pm

2 stops17h 54m

Denver Intl

Sun 6/14

6:40 pm-6:20 pm

1 stop15h 40m

$751

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Thu 1/22

6:05 pm-5:35 pm

1 stop31h 30m

Denver Intl

Thu 2/5

7:20 pm-10:00 am

1 stop30h 40m

$821

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 6/10

10:35 am-3:40 pm

1 stop13h 05m

Denver Intl

Sun 6/14

5:40 pm-9:55 am

1 stop32h 15m

$833

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 6/10

11:00 am-3:35 pm

1 stop12h 35m

Denver Intl

Fri 7/10

5:55 pm-2:00 pm

1 stop12h 05m

$991

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 12/24

10:35 am-4:00 pm

1 stop13h 25m

Denver Intl

Mon 1/5

8:20 pm-4:05 pm

1 stop11h 45m

$1,049

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 12/24

9:50 am-2:35 pm

1 stop12h 45m

Denver Intl

Mon 1/5

6:00 am-4:05 pm

2 stops26h 05m

$1,056

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Sat 6/6

11:50 am-8:24 pm

2 stops16h 34m

$618

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Sun 5/31

2:35 pm-11:18 pm

2 stops16h 43m

$1,217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 16 results
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Best time to book a flight from Basel to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Basel 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 Basel to Denver. 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 Basel EuroAirport Swiss to Denver?

    Airlines like Turkish Airlines, KLM, and Lufthansa fly from Basel EuroAirport Swiss to Denver in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 18h 25m. The distance from Basel EuroAirport Swiss to Denver is about 5101 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Basel to Denver that include hotel bookings?

    Yes. In addition to deals on Basel to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Basel to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Basel to Denver.

  • Can I find deals for business class flights from Basel to Denver?

    Yes. Cheapflights offers flight deals from Basel to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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