Denver (DEN) → Basel (BSL)

8,216 km
10h 46m flight
From $670
Basel destination photo

About Denver to Basel Flights

Discover the best flights from Denver to Basel, covering 8,216 km in approximately 10h 46m. Denver (DEN) to Basel (BSL) is one of the major long-haul routes connecting United States and Switzerland. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Denver to Basel.

12-Month Price History

Flight prices from Denver to Basel vary significantly throughout the year. February typically offers the best deals with average prices around $1369, while July sees the highest prices, averaging $2264. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

144 days

For best prices

Booking Tips

For the best prices on Denver to Basel flights, we recommend booking 114 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Frontier Airlines

F9

Economy

$1630

Business

-

First

-

Southwest Airlines

WN

Economy

$1870

Business

-

First

-

United Airlines

UA

Economy

$2340

Business

$9300

First

$16440

American Airlines

AA

Economy

$2540

Business

$10080

First

$15080

SkyWest Airlines

OO

Economy

$2540

Business

$9810

First

$13270

British Airways

BA

Economy

$2950

Business

$12020

First

$14460

Delta Air Lines

DL

Economy

$3200

Business

$9030

First

$17730

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Zurich destination photo

DenverZurich

Denver International (DEN) to Zürich (ZRH)

Distance: 8,282 km

Average price: $1745

View this route →
Stuttgart destination photo

DenverStuttgart

Denver International (DEN) to Stuttgart (STR)

Distance: 8,225 km

Average price: $1734

View this route →
Geneva destination photo

DenverGeneva

Denver International (DEN) to Geneva (GVA)

Distance: 8,236 km

Average price: $1736

View this route →
Stuttgart destination photo

DenverStuttgart

Denver International (DEN) to Stuttgart (STR)

Distance: 8,225 km

Average price: $1734

View this route →

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Frequently Asked Questions

How long is the flight from Denver to Basel?

The flight time from Denver (DEN) to Basel (BSL) is approximately 10 hours and 46 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Denver and Basel?

The aerial distance between Denver and Basel is 8,216 kilometers (5,105 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Denver to Basel?

Several airlines operate flights between Denver and Basel, including United Airlines, Southwest Airlines, Frontier Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Denver to Basel?

Based on historical data, February typically offers the lowest airfares for flights from Denver to Basel. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Basel?

For the best prices on Denver to Basel flights, we recommend booking 113 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Denver to Basel?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Switzerland should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Denver and Basel?

Denver operates on America/Denver time zone, while Basel is in the Europe/Zurich time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.