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$375+ Cheap flights from Colorado 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BSL
feb. 27 — mar. 61
jue. 2/27
jue. 3/6
1 adult, Economy
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Cheap flight deals from Colorado to Basel

Keep the following information in mind while searching for Colorado to Basel flight deals. Data was last updated febrero 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(Kiwi.com)

One-way from

$375
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$688
Provider with most accurate pricing for Denver Intl-Basel (EAP) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Basel (EAP) flights.
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From Colorado to Basel EuroAirport Swiss
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One-way flight from Colorado to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 17% potential increase in price ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 22, 2025.

This Turkish Airlines deal was found by Cheapflights users on 2/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:50 pmDEN - BSL
1 stop38h 10mTurkish Airlines
sáb. 10/1810:35 amBSL - DEN
1 stop39h 20mTurkish Airlines
Deal found 2/21$671
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/296:35 pmDEN - BSL
1 stop30h 00mMultiple Airlines
mar. 5/61:30 pmBSL - DEN
2 stops53h 57mMultiple Airlines
Deal found 2/20$777
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 3/194:49 pmDEN - BSL
2 stops18h 51mAmerican Airlines
mié. 3/266:15 amBSL - DEN
1 stop17h 10mAmerican Airlines
Deal found 2/20$848
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
mié. 3/195:25 pmDEN - BSL
1 stop19h 05mLufthansa
mié. 3/2611:05 amBSL - DEN
1 stop12h 50mLufthansa
Deal found 2/20$857
This British Airways deal was found by Cheapflights users on 2/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/1112:55 pmDEN - BSL
2 stops21h 30mBritish Airways
sáb. 10/1811:50 amBSL - DEN
2 stops18h 22mBritish Airways
Deal found 2/21$1,010
This United Airlines deal was found by Cheapflights users on 2/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/296:02 amDEN - BSL
3 stops20h 48mUnited Airlines
mar. 5/611:25 amBSL - DEN
2 stops31h 05mUnited Airlines
Deal found 2/20$1,048
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:25 pmDEN - BSL
2 stops16h 25mDelta
vie. 5/166:15 amBSL - DEN
2 stops19h 16mDelta
Deal found 2/21$1,123
This Air Canada deal was found by Cheapflights users on 2/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/239:58 amDEN - BSL
2 stops16h 57mAir Canada
sáb. 8/28:25 amBSL - DEN
2 stops21h 40mAir Canada
Deal found 2/21$1,392

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 febrero 22, 2025.

Fly from

Colorado

Fly to

Basel

Route

Depart

Return

Price

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 4/29

6:35 pm-8:35 am

1 stop30h 00m

Basel EuroAirport Swiss

mar. 5/6

1:30 pm-11:27 am

2 stops53h 57m

$777

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mié. 3/19

4:49 pm-6:40 pm

2 stops18h 51m

Basel EuroAirport Swiss

mié. 3/26

6:15 am-4:25 pm

1 stop17h 10m

$848

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mié. 3/19

5:25 pm-7:30 pm

1 stop19h 05m

Basel EuroAirport Swiss

mié. 3/26

11:05 am-4:55 pm

1 stop12h 50m

$857

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mié. 3/5

6:00 am-10:05 am

2 stops20h 05m

Basel EuroAirport Swiss

dom. 3/16

6:05 pm-6:40 pm

1 stop31h 35m

$901

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 4/29

6:35 pm-10:50 pm

1 stop20h 15m

Basel EuroAirport Swiss

mar. 5/6

7:10 pm-4:25 pm

1 stop29h 15m

$1,036

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mar. 4/29

6:02 am-10:50 am

3 stops20h 48m

Basel EuroAirport Swiss

mar. 5/6

11:25 am-10:30 am

2 stops31h 05m

$1,048

DenverBasel

DEN - BSL

DENBSL

Denver Intl

vie. 5/9

5:25 pm-5:50 pm

2 stops16h 25m

Basel EuroAirport Swiss

vie. 5/16

6:15 am-5:31 pm

2 stops19h 16m

$1,123

DenverBasel

DEN - BSL

DENBSL

Denver Intl

mié. 7/23

9:58 am-10:55 am

2 stops16h 57m

Basel EuroAirport Swiss

sáb. 8/2

8:25 am-10:05 pm

2 stops21h 40m

$1,392

DenverBasel

DEN - BSL

DENBSL

Denver Intl

sáb. 3/1

10:44 pm-10:50 am

2 stops52h 06m

$375

DenverBasel

DEN - BSL

DENBSL

Denver Intl

lun. 3/17

6:30 pm-10:20 am

1 stop32h 50m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 14 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 febrero 22, 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 febrero 22, 2025.
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Turkish Airlines
7.3
Good
3,825 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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
8,212 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 cheapest airlines to fly from Colorado to Basel EuroAirport Swiss one-way?

    The cheapest airlines for a one-way flight from Colorado to Basel EuroAirport Swiss are British Airways ($581), Delta ($583), and United Airlines ($763).

  • 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.

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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 febrero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$582Average$1,125FlexibilityNo cancel feeOn-time76%
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