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$417+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — DEN
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Basel to Colorado

Best flights from Basel to Colorado
Discover carefully curated flight deals from Basel to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This American Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 3/46:20 amBSL - COS
2 stops22h 16mAmerican Airlines
Sun 3/86:00 amCOS - BSL
2 stops26h 05mAmerican Airlines
Deal found 12/25$607
This British Airways deal was found by Cheapflights users on 12/25. 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.
Wed 2/253:50 pmBSL - DEN
1 stop31h 40mBritish Airways
Sun 3/15:25 pmDEN - BSL
1 stop32h 50mBritish Airways
Deal found 12/25$608
This Iberia deal was found by Cheapflights users on 12/26. 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.
Fri 4/36:00 amBSL - DEN
1 stop18h 30mMultiple Airlines
Fri 4/102:51 pmDEN - BSL
2 stops23h 59mMultiple Airlines
Deal found 12/26$633
This Delta deal was found by Cheapflights users on 12/26. 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.
Fri 4/310:15 amBSL - DEN
2 stops20h 03mDelta
Fri 4/106:40 amDEN - BSL
2 stops19h 15mDelta
Deal found 12/26$797
This United Airlines deal was found by Cheapflights users on 12/25. 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 3/159:50 amBSL - DEN
1 stop17h 05mUnited Airlines
Fri 3/205:30 pmDEN - BSL
2 stops36h 00mUnited Airlines
Deal found 12/25$826
This American Airlines deal was found by Cheapflights users on 12/24. 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.
Sat 2/147:10 amBSL - COS
2 stops21h 26mAmerican Airlines
Wed 2/186:00 amCOS - BSL
2 stops24h 55mAmerican Airlines
Deal found 12/24$608
This Gotogate deal was found by Cheapflights users on 12/26. 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.
Fri 4/36:00 amBSL - DEN
1 stop18h 30mBritish Airways
Fri 4/106:40 pmDEN - BSL
1 stop31h 45mBritish Airways
Deal found 12/26$632
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Fri 1/237:00 amBSL - DEN
2 stops24h 16mAmerican Airlines
Tue 1/2712:28 pmDEN - BSL
2 stops18h 37mAmerican Airlines
Deal found 12/26$611
This British Airways deal was found by Cheapflights users on 12/26. 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.
Fri 1/233:55 pmBSL - DEN
1 stop31h 35mBritish Airways
Tue 1/275:25 pmDEN - BSL
1 stop13h 40mBritish Airways
Deal found 12/26$633
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/2511:10 amBSL - DEN
2 stops18h 31mAmerican Airlines
Sun 3/17:19 amDEN - BSL
2 stops23h 46mAmerican Airlines
Deal found 12/25$611
This Delta deal was found by Cheapflights users on 12/26. 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.
Sat 4/410:35 amBSL - DEN
2 stops21h 34mDelta
Fri 4/106:40 amDEN - BSL
2 stops19h 15mDelta
Deal found 12/26$804
This Flightnetwork deal was found by Cheapflights users on 12/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:35 amBSL - DEN
1 stop17h 55mBritish Airways
Fri 4/106:40 pmDEN - BSL
1 stop31h 45mBritish Airways
Deal found 12/26$667

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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$607
(Iberia)

One-way from

$417
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$904
Provider with most accurate pricing for Basel (EAP)-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Basel (EAP)-Denver Intl flights.
Search Deals
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 ($24 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 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 26, 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

Wed 3/4

6:20 am-8:36 pm

2 stops22h 16m

Colorado Springs

Sun 3/8

6:00 am-3:05 pm

2 stops26h 05m

$607

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 2/25

3:50 pm-3:30 pm

1 stop31h 40m

Denver Intl

Sun 3/1

5:25 pm-10:15 am

1 stop32h 50m

$608

BaselColorado Springs

BSL - COS

BSLCOS

Basel EuroAirport Swiss

Sat 2/14

7:10 am-8:36 pm

2 stops21h 26m

Colorado Springs

Wed 2/18

6:00 am-2:55 pm

2 stops24h 55m

$608

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 1/23

7:00 am-11:16 pm

2 stops24h 16m

Denver Intl

Tue 1/27

12:28 pm-3:05 pm

2 stops18h 37m

$611

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 2/25

11:10 am-9:41 pm

2 stops18h 31m

Denver Intl

Sun 3/1

7:19 am-3:05 pm

2 stops23h 46m

$611

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 4/3

6:00 am-4:30 pm

1 stop18h 30m

Denver Intl

Fri 4/10

6:40 pm-10:25 am

1 stop31h 45m

$632

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 4/3

6:00 am-4:30 pm

1 stop18h 30m

Denver Intl

Fri 4/10

2:51 pm-10:50 pm

2 stops23h 59m

$633

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 1/23

3:55 pm-3:30 pm

1 stop31h 35m

Denver Intl

Tue 1/27

5:25 pm-3:05 pm

1 stop13h 40m

$633

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Sat 4/4

6:35 am-4:30 pm

1 stop17h 55m

Denver Intl

Fri 4/10

6:40 pm-10:25 am

1 stop31h 45m

$667

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 4/3

10:15 am-10:18 pm

2 stops20h 03m

Denver Intl

Fri 4/10

6:40 am-9:55 am

2 stops19h 15m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 22 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 $607, American Airlines can have you in Colorado from Basel EuroAirport Swiss in 22h 16m. The distance between Basel EuroAirport Swiss and Colorado is about 5158 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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