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$638+ Cheap flights from Basel (EAP) to Denver (DEN)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
EAP — DEN
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Basel to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Basel (EAP) 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 July 1, 2025.

Round-trip from

$638
(Flysmarter)

Popular in

September

Cheapest in

February

Average price

$952
From Basel (EAP) to Denver Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find 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 July 1, 2025.

This Flysmarter deal was found by Cheapflights users on 6/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:10 amBSL - DEN
2 stops19h 30mMultiple Airlines
Fri 1/165:30 pmDEN - BSL
1 stop12h 40mMultiple Airlines
Deal found 6/28$638
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 8/177:05 amBSL - DEN
1 stop17h 20mAmerican Airlines
Sun 8/246:35 pmDEN - BSL
1 stop20h 15mAmerican Airlines
Deal found 6/28$640
This British Airways deal was found by Cheapflights users on 6/30. 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 8/226:00 amBSL - DEN
1 stop18h 25mBritish Airways
Tue 8/262:47 pmDEN - BSL
2 stops19h 43mBritish Airways
Deal found 6/30$643
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 7/308:25 amBSL - DEN
2 stops24h 05mLufthansa
Wed 8/64:15 pmDEN - BSL
1 stop12h 10mLufthansa
Deal found 6/28$738
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/2811:30 amBSL - DEN
1 stop12h 05mUnited Airlines
Thu 7/318:25 pmDEN - BSL
1 stop15h 10mUnited Airlines
Deal found 6/28$755
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 8/126:15 amBSL - DEN
2 stops17h 14mDelta
Tue 8/199:36 amDEN - BSL
2 stops15h 54mDelta
Deal found 6/27$830
This Air Canada deal was found by Cheapflights users on 6/28. 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.
Mon 7/218:25 amBSL - DEN
2 stops21h 03mAir Canada
Mon 8/119:40 amDEN - BSL
2 stops17h 10mAir Canada
Deal found 6/28$885
This Austrian Airlines deal was found by Cheapflights users on 6/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:20 amBSL - DEN
2 stops40h 15mAustrian Airlines
Tue 8/1911:25 amDEN - BSL
2 stops24h 20mAustrian Airlines
Deal found 6/28$938

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 July 1, 2025.
Use the filters below to find and compare flights from Basel to Denver that are best for you.

Fly from

Basel

Fly to

Denver

Route

Depart

Return

Price

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Thu 12/11

6:10 am-5:40 pm

2 stops19h 30m

Denver Intl

Fri 1/16

5:30 pm-2:10 pm

1 stop12h 40m

$638

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Sun 8/17

7:05 am-4:25 pm

1 stop17h 20m

Denver Intl

Sun 8/24

6:35 pm-10:50 pm

1 stop20h 15m

$640

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Fri 8/22

6:00 am-4:25 pm

1 stop18h 25m

Denver Intl

Tue 8/26

2:47 pm-6:30 pm

2 stops19h 43m

$643

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Wed 7/30

8:25 am-12:30 am

2 stops24h 05m

Denver Intl

Wed 8/6

4:15 pm-12:25 pm

1 stop12h 10m

$738

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Mon 7/28

11:30 am-3:35 pm

1 stop12h 05m

Denver Intl

Thu 7/31

8:25 pm-7:35 pm

1 stop15h 10m

$755

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Tue 8/12

6:15 am-3:29 pm

2 stops17h 14m

Denver Intl

Tue 8/19

9:36 am-9:30 am

2 stops15h 54m

$830

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Mon 7/21

8:25 am-9:28 pm

2 stops21h 03m

Denver Intl

Mon 8/11

9:40 am-10:50 am

2 stops17h 10m

$885

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Tue 8/12

10:20 am-6:35 pm

2 stops40h 15m

Denver Intl

Tue 8/19

11:25 am-7:45 pm

2 stops24h 20m

$938

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Tue 8/12

11:55 am-8:22 pm

2 stops16h 27m

$1,216

BaselDenver

BSL - DEN

BSLDEN

Basel EuroAirport Swiss

Mon 8/25

11:30 am-8:27 pm

2 stops16h 57m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Basel to Denver

How much does it cost to fly round-trip from Basel to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 1, 2025.
Read through reviews of airlines operating flights from Basel to Denver, such as Delta, Austrian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
807 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,660 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Basel to Denver round-trip?

    Flying on American Airlines is currently your cheapest option to Denver, with prices starting at $640. Additional round-trip tickets that might be worth considering are offered by British Airways and Lufthansa, with the lowest prices starting at $643 and $738, respectively. American Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Basel to Denver one-way?

    One-way options have recently been found by users for as low as $1,216 on British Airways. Other airlines that offer cheap prices include Austrian Airlines from $1,322 and United Airlines from $1,604 one-way.

  • 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.

  • What is the cheapest month to book a flight from Basel to Denver?

    Currently, October is the cheapest month in which you can book a flight from Basel to Denver (average of $197). Flying from Basel to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Basel?

Book flights to Basel if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Broomfield
Grand Lake
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley

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