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

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 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Basel to Colorado

Cheapest flights from Basel to Colorado
Explore the most affordable flight options available from Basel to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

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 Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 12/2410:35 amBSL - COS
2 stops16h 20mMultiple Airlines
Wed 12/313:38 pmCOS - BSL
2 stops13h 57mMultiple Airlines
Deal found 12/15$1,549
This Bravofly 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:05 pmBSL - DEN
1 stop31h 30mTurkish Airlines
Tue 12/307:20 pmDEN - BSL
1 stop30h 40mTurkish Airlines
Deal found 12/14$1,714
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:05 pmBSL - DEN
2 stops32h 50mMultiple Airlines
Sat 1/35:30 pmDEN - BSL
2 stops32h 25mMultiple Airlines
Deal found 12/14$2,115
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amBSL - DEN
1 stop16h 30mBritish Airways
Sat 1/35:25 pmDEN - BSL
1 stop20h 25mBritish Airways
Deal found 12/14$2,127

Find flight deals from Basel to Colorado

Keep the following information in mind while searching for Basel to Colorado flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$733
(American Airlines)

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.
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From Basel EuroAirport Swiss to Colorado
Search Deals
One-way flight from Basel EuroAirport Swiss to Colorado
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
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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
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Basel to Colorado 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 15, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to Colorado that are best for you.

Fly from

Basel

Fly to

Colorado

Route

Depart

Return

Price

BaselColorado Springs

BSL - COS

BSLCOS

Basel EuroAirport Swiss

Thu 1/22

6:05 am-12:09 pm

2 stops38h 04m

Colorado Springs

Mon 1/26

6:12 am-6:15 pm

2 stops28h 03m

$733

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

Thu 1/29

9:50 am-2:35 pm

1 stop12h 45m

Denver Intl

Thu 2/5

4:20 pm-12:30 pm

1 stop12h 10m

$812

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

Tue 6/2

7:00 pm-2:23 pm

2 stops27h 23m

Denver Intl

Thu 7/2

11:59 pm-9:45 am

2 stops25h 46m

$1,149

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Tue 6/2

7:00 pm-2:23 pm

2 stops27h 23m

Denver Intl

Thu 7/2

8:25 pm-9:45 am

1 stop29h 20m

$1,270

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Thu 4/2

11:00 am-11:33 pm

2 stops20h 33m

Denver Intl

Fri 4/10

11:59 pm-9:45 am

2 stops25h 46m

$1,323

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

Sat 6/13

11:50 am-8:24 pm

2 stops16h 34m

$987

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
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Best time to book a flight from Basel to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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.

Cheapflights Insights

Everything you need to know about your flight from Basel EuroAirport Swiss to Colorado
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Basel to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Basel to Colorado?

    If you book a flight to Colorado from Basel, you will be flying from EuroAirport Swiss, which is the city’s only airport. Basel EuroAirport Swiss (BSL) is located 3.6 mi from the center of Basel.

  • How long is the flight from Basel EuroAirport Swiss to Colorado?

    For as low as $812, American Airlines can have you in Colorado from Basel EuroAirport Swiss in 12h 45m. The distance between Basel EuroAirport Swiss and Colorado 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 Colorado that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Basel to Colorado 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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