$520 Cheap Flights from Denver (DEN) to Basel (BSL)

View $520 flight on Wed, Dec 9, 2026Opens in a new window

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

Cheap Flights from Denver to Basel (DEN-BSL)

Prices were available within the past 7 days and start at $520 for one-way flights and $803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$803 Roundtrip, found 1 day ago
$803
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $803 found 1 day ago
Lufthansa
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$803 Roundtrip, found 1 day ago
$803
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $803 found 1 day ago
United
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$805 Roundtrip, found 1 day ago
$805
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $805 found 1 day ago
Air Canada
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$811 Roundtrip, found 1 day ago
$811
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $811 found 1 day ago
Air Canada
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$813 Roundtrip, found 1 day ago
$813
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $813 found 1 day ago
United
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $815 found 1 day ago
Delta
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $815 found 1 day ago
Lufthansa
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$816 Roundtrip, found 1 day ago
$816
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $816 found 1 day ago
United
Mon, Jan 4 - Wed, Jan 13
DEN
Denver
BSL
Basel
$817 Roundtrip, found 1 day ago
$817
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 4 from Denver to Basel, returning Wed, Jan 13, priced at $817 found 1 day ago
Turkish Airlines
Sat, Mar 28 - Sat, Apr 11
DEN
Denver
BSL
Basel
$853 Roundtrip, found 5 hours ago
$853
Roundtrip
found 5 hours ago
Select Turkish Airlines flight, departing Sat, Mar 28 from Denver to Basel, returning Sat, Apr 11, priced at $853 found 5 hours ago

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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 $1,179
BSL
EuroAirport
Cheapest
Average driving time to city center9 min
Flights from $1,179

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) cost?
You can find cheap one-way flights from $520 and cheap return flights from $803 Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) with Expedia. One-way flights generally range between $661 and $2413, and roundtrip flights usually range from $900 to $5703. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
The cheapest month to fly from DEN to BSL is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
Enter DEN to BSL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Denver, CO (DEN) to Basel (BSL), with round-trip tickets starting from around $810 with a layover in John F. Kennedy Intl. (JFK). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
The earliest flight from Denver International Airport (DEN) to EuroAirport Basel (BSL) typically departs at around 12:55 AM. This seasonal service is operated by JetBlue Airways and British Airways, providing you with an early start to your European adventure. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
When flying from Denver Intl. (DEN) to EuroAirport Basel (BSL), the most popular departure times are in the late afternoon, from 3pm to 6pm. About 59% of passengers prefer this time window. Many major carriers, including British Airways, United Airlines and Lufthansa, offer flights during this window. This timing works well because it allows you to arrive in Basel in the evening, ready to explore.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
Flying from DEN to BSL with a connection usually takes about 15 hours 20 minutes, traveling roughly 5,105 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
You can fly business class between DEN and BSL. Airlines that offer business class service on this route include:

  • United Airlines
  • Aer Lingus
  • British Airways
  • Edelweiss Air
  • Lufthansa
  • Turkish Airlines

First class is available with Lufthansa.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Basel from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly into EuroAirport Basel (BSL) to reach Basel. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW) before reaching Basel. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport)?
If you booked your Denver, CO (DEN-Denver Intl.) to Basel (BSL-EuroAirport) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

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
$802
Distance
5104 mi

Book with confidence

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 January. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $520 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.

 

Denver to Basel Flights

*Flight schedules are subject to change.

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*Available to One Key members.