Basel (BSL) → Denver (DEN)

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

About Basel to Denver Flights

Discover the best flights from Basel to Denver, covering 8,216 km in approximately 10h 46m. Basel (BSL) to Denver (DEN) is one of the major long-haul routes connecting Switzerland and United States. 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 Basel to Denver.

12-Month Price History

Flight prices from Basel to Denver vary significantly throughout the year. February typically offers the best deals with average prices around $1379, while July sees the highest prices, averaging $2256. Savvy travelers can save up to 39% 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

134 days

For best prices

Booking Tips

For the best prices on Basel to Denver flights, we recommend booking 92 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

$1420

Business

-

First

-

Southwest Airlines

WN

Economy

$1950

Business

-

First

-

SkyWest Airlines

OO

Economy

$2030

Business

$7050

First

$12700

British Airways

BA

Economy

$2360

Business

$7590

First

$14150

Delta Air Lines

DL

Economy

$2380

Business

$9000

First

$14730

United Airlines

UA

Economy

$2380

Business

$7770

First

$11650

American Airlines

AA

Economy

$2570

Business

$8130

First

$13630

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

Alternative Flight Options

Denver destination photo

ZurichDenver

Zürich (ZRH) to Denver International (DEN)

Distance: 8,282 km

Average price: $1745

View this route →
Denver destination photo

StuttgartDenver

Stuttgart (STR) to Denver International (DEN)

Distance: 8,225 km

Average price: $1734

View this route →
Denver destination photo

GenevaDenver

Geneva (GVA) to Denver International (DEN)

Distance: 8,236 km

Average price: $1736

View this route →
Denver destination photo

StuttgartDenver

Stuttgart (STR) to Denver International (DEN)

Distance: 8,225 km

Average price: $1734

View this route →

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Frequently Asked Questions

How long is the flight from Basel to Denver?

The flight time from Basel (BSL) to Denver (DEN) 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 Basel and Denver?

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

Which airlines fly from Basel to Denver?

Several airlines operate flights between Basel and Denver, 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 Basel to Denver?

Based on historical data, February typically offers the lowest airfares for flights from Basel to Denver. 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 Denver?

For the best prices on Basel to Denver flights, we recommend booking 121 days in advance. International flights generally require earlier booking than domestic routes.

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

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

What is the time difference between Basel and Denver?

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