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$587+ Cheap flights from Colorado 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Colorado to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) 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 January 21, 2025.

Round-trip from

$587
(FlightHub)
From Colorado to Basel EuroAirport Swiss
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Find flight deals from Colorado to Basel

Cheapest flights from Colorado to Basel
Explore the most affordable flight options available from Colorado to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/21. 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.
Sun 3/27:35 pmDEN - BSL
1 stop30h 30mTurkish Airlines
Thu 3/136:05 pmBSL - DEN
1 stop31h 35mTurkish Airlines
Deal found 1/21$587
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Tue 2/188:30 amDEN - BSL
2 stops26h 55mMultiple Airlines
Tue 2/256:50 amBSL - DEN
2 stops22h 45mMultiple Airlines
Deal found 1/19$659
This oojo deal was found by Cheapflights users on 1/21. 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.
Tue 2/45:30 pmDEN - BSL
1 stop16h 50mBritish Airways
Tue 2/116:55 amBSL - DEN
1 stop16h 30mBritish Airways
Deal found 1/21$692
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/184:17 pmDEN - BSL
2 stops18h 03mAmerican Airlines
Tue 2/256:55 amBSL - DEN
1 stop16h 30mAmerican Airlines
Deal found 1/20$696
This Justfly.com deal was found by Cheapflights users on 1/20. 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.
Sun 3/211:15 amDEN - BSL
2 stops15h 05mAir Canada
Thu 3/136:50 amBSL - DEN
2 stops18h 25mAir Canada
Deal found 1/20$708
This United deal was found by Cheapflights users on 1/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/54:25 pmDEN - BSL
1 stop15h 55mUnited Airlines
Sun 3/162:10 pmBSL - DEN
2 stops35h 05mUnited Airlines
Deal found 1/20$750
This Lufthansa deal was found by Cheapflights users on 1/20. 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 3/54:25 pmDEN - BSL
1 stop15h 55mLufthansa
Sun 3/168:00 pmBSL - DEN
1 stop26h 40mLufthansa
Deal found 1/20$764
This British Airways deal was found by Cheapflights users on 1/20. 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 9/125:08 pmCOS - BSL
2 stops21h 42mBritish Airways
Fri 9/196:00 amBSL - COS
2 stops25h 25mBritish Airways
Deal found 1/20$1,078
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Fri 9/128:30 amCOS - BSL
3 stops18h 25mAir Canada
Fri 9/1911:30 amBSL - COS
3 stops20h 29mAir Canada
Deal found 1/20$1,490
This Justfly.com deal was found by Cheapflights users on 1/20. 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.
Sun 7/208:25 pmDEN - BSL
2 stops15h 20mAustrian Airlines
Mon 8/1110:20 amBSL - DEN
2 stops16h 15mAustrian Airlines
Deal found 1/20$1,815

Find flights from Colorado to Basel within your budget

Customize your flight search to find flights from Colorado 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 January 21, 2025.

Fly from

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Fly to

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Route

Depart

Return

Price

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 3/2

7:35 pm-10:05 am

1 stop30h 30m

Basel EuroAirport Swiss

Thu 3/13

6:05 pm-6:40 pm

1 stop31h 35m

$587

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/18

8:30 am-7:25 pm

2 stops26h 55m

Basel EuroAirport Swiss

Tue 2/25

6:50 am-9:35 pm

2 stops22h 45m

$659

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/4

5:30 pm-6:20 pm

1 stop16h 50m

Basel EuroAirport Swiss

Tue 2/11

6:55 am-3:25 pm

1 stop16h 30m

$692

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 2/18

4:17 pm-6:20 pm

2 stops18h 03m

Basel EuroAirport Swiss

Tue 2/25

6:55 am-3:25 pm

1 stop16h 30m

$696

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 3/2

11:15 am-10:20 am

2 stops15h 05m

Basel EuroAirport Swiss

Thu 3/13

6:50 am-6:15 pm

2 stops18h 25m

$708

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/5

4:25 pm-4:20 pm

1 stop15h 55m

Basel EuroAirport Swiss

Sun 3/16

2:10 pm-6:15 pm

2 stops35h 05m

$750

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/5

4:25 pm-7:30 pm

1 stop19h 05m

Basel EuroAirport Swiss

Sun 3/16

6:50 am-4:55 pm

1 stop17h 05m

$756

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 2/27

12:41 pm-2:05 pm

2 stops17h 24m

Basel EuroAirport Swiss

Mon 3/17

2:45 pm-1:35 pm

1 stop29h 50m

$772

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 7/20

8:25 pm-7:45 pm

2 stops15h 20m

Basel EuroAirport Swiss

Mon 8/11

10:20 am-6:35 pm

2 stops16h 15m

$1,815

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 6/11

8:25 pm-7:45 pm

2 stops15h 20m

$1,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 results
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Best time to book a flight from Colorado to Basel

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

Travel insights for flights from Colorado to Basel

Get recent, data-driven insights about flights from Colorado to Basel including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from CO to BSL?

Find hourly flight availability from Colorado 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 January 21, 2025.

When flying from Colorado to Basel EuroAirport Swiss, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.3
Good
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Basel. 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 into for flights to Basel from Colorado?

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

  • What are the most popular routes from Colorado to Basel EuroAirport Swiss?

    Most travelers choose Denver Intl - Basel EuroAirport Swiss, Aspen Pitkin County - Basel EuroAirport Swiss or Colorado Springs - Basel EuroAirport Swiss when deciding on the best route from Colorado to Basel EuroAirport Swiss.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Basel EuroAirport Swiss (average of $545). Flying from Colorado 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

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Alternative routes for Colorado to Basel

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Top airline flying from Colorado to Basel

Discover the top airline that operate flights from Colorado 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$582Average$1,125FlexibilityNo cancel feeOn-time76%
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