$440 Cheap Flights from Denver (DEN) to Basel (BSL)

View $440 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL)

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Cheap Flights from Denver to Basel (DEN-BSL)

Prices were available within the past 7 days and start at $440 for one-way flights and $599 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Nov 2 - Wed, Nov 12
DEN
Denver
BSL
Basel
$599 Roundtrip, found 3 days ago
$599
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Nov 2 from Denver to Basel, returning Wed, Nov 12, priced at $599 found 3 days ago
British Airways
Wed, Dec 10 - Wed, Dec 17
DEN
Denver
BSL
Basel
$601 Roundtrip, found 9 hours ago
$601
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Denver to Basel, returning Wed, Dec 17, priced at $601 found 9 hours ago
British Airways
Wed, Aug 20 - Tue, Dec 23
DEN
Denver
BSL
Basel
$605 Roundtrip, found 7 hours ago
$605
Roundtrip
found 7 hours ago
Select British Airways flight, departing Wed, Aug 20 from Denver to Basel, returning Tue, Dec 23, priced at $605 found 7 hours ago
American Airlines
Wed, Dec 10 - Wed, Dec 17
DEN
Denver
BSL
Basel
$609 Roundtrip, found 9 hours ago
$609
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Denver to Basel, returning Wed, Dec 17, priced at $609 found 9 hours ago
British Airways
Wed, Dec 10 - Wed, Dec 17
DEN
Denver
BSL
Basel
$611 Roundtrip, found 9 hours ago
$611
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Denver to Basel, returning Wed, Dec 17, priced at $611 found 9 hours ago
British Airways
Wed, Dec 10 - Wed, Dec 17
DEN
Denver
BSL
Basel
$614 Roundtrip, found 9 hours ago
$614
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Denver to Basel, returning Wed, Dec 17, priced at $614 found 9 hours ago
British Airways
Sun, Oct 19 - Tue, Nov 4
DEN
Denver
BSL
Basel
$629 Roundtrip, found 6 days ago
$629
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Oct 19 from Denver to Basel, returning Tue, Nov 4, priced at $629 found 6 days ago
Lufthansa
Wed, Aug 20 - Tue, Dec 23
DEN
Denver
BSL
Basel
$653 Roundtrip, found 7 hours ago
$653
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Aug 20 from Denver to Basel, returning Tue, Dec 23, priced at $653 found 7 hours ago
United
Wed, Aug 20 - Tue, Dec 23
DEN
Denver
BSL
Basel
$657 Roundtrip, found 7 hours ago
$657
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 20 from Denver to Basel, returning Tue, Dec 23, priced at $657 found 7 hours ago
Air Canada
Wed, Aug 20 - Tue, Dec 23
DEN
Denver
BSL
Basel
$664 Roundtrip, found 7 hours ago
$664
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Wed, Aug 20 from Denver to Basel, returning Tue, Dec 23, priced at $664 found 7 hours ago

Alternative airports near Basel

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to EuroAirport BSL. Cheapest option available. Average driving time to city center is 9 minutes. Flights from $777
BSL
EuroAirport
Cheapest
Average driving time to city center9 min
Flights from $777
Flights from Denver (DEN) to Basel (BSL)
Origin airport
Denver Intl.
Destination airport
EuroAirport
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$599
Distance
5104 mi

Denver to Basel Flights

The cheapest times to fly from Denver to Basel

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Basel are during the month of November. You can find some of the cheapest flights from Denver to Basel with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Basel

Sunday is one of the best days to book for cheap flights from Denver to Basel: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Basel

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Basel in 2025. You can also book with separate airlines for your outbound and return journeys, from $440 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Basel flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Basel airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL) cost?
Discover the latest flight deals from DEN to BSL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEN to BSL?
The cheapest flights from DEN to BSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEN to BSL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEN to BSL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL)?
You'll have to catch a flight with a layover when traveling from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DEN to BSL?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL)?
Select a flight from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL) last-minute?
Booking your plane ticket from DEN to BSL just before your getaway is typically more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a DEN to BSL flight and hotel package?
Opting for a DEN to BSL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to EuroAirport Airport (BSL)?
Typically, you can reschedule or cancel your DEN to BSL flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.