St. Louis (STL) → Brussels (BRU)

7,076 km
9h 21m flight
From $950
Brussels destination photo

About St. Louis to Brussels Flights

Discover the best flights from St. Louis to Brussels, covering 7,076 km in approximately 9h 21m. St. Louis (STL) to Brussels (BRU) is one of the major long-haul routes connecting United States and Belgium. 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 St. Louis to Brussels.

12-Month Price History

Flight prices from St. Louis to Brussels vary significantly throughout the year. February typically offers the best deals with average prices around $1307, while July sees the highest prices, averaging $2207. Savvy travelers can save up to 41% 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

96 days

For best prices

Booking Tips

For the best prices on St. Louis to Brussels flights, we recommend booking 157 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

American Airlines

AA

Economy

$1820

Business

$6590

First

$10510

Air France

AF

Economy

$1880

Business

$8150

First

$10860

British Airways

BA

Economy

$1980

Business

$7410

First

$12410

Delta Air Lines

DL

Economy

$2000

Business

$7200

First

$11180

TUIfly Belgium

TB

Economy

$2040

Business

$7930

First

$10470

Brussels Airlines

SN

Economy

$2130

Business

$6520

First

$12440

United Airlines

UA

Economy

$2190

Business

$7830

First

$11630

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

Alternative Flight Options

Amsterdam destination photo

St. LouisAmsterdam

St. Louis Lambert International (STL) to Amsterdam Schiphol (AMS)

Distance: 7,015 km

Average price: $1498

View this route →
Luxembourg destination photo

St. LouisLuxembourg

St. Louis Lambert International (STL) to Luxembourg-Findel (LUX)

Distance: 7,253 km

Average price: $1544

View this route →
Dusseldorf destination photo

St. LouisDusseldorf

St. Louis Lambert International (STL) to Düsseldorf (DUS)

Distance: 7,191 km

Average price: $1532

View this route →
Cologne destination photo

St. LouisCologne

St. Louis Lambert International (STL) to Cologne Bonn (CGN)

Distance: 7,238 km

Average price: $1541

View this route →

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Frequently Asked Questions

How long is the flight from St. Louis to Brussels?

The flight time from St. Louis (STL) to Brussels (BRU) is approximately 9 hours and 21 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between St. Louis and Brussels?

The aerial distance between St. Louis and Brussels is 7,076 kilometers (4,397 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from St. Louis to Brussels?

Several airlines operate flights between St. Louis and Brussels, including Brussels Airlines, TUIfly Belgium, American Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from St. Louis to Brussels?

Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Brussels. 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 Brussels?

For the best prices on St. Louis to Brussels flights, we recommend booking 158 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from St. Louis to Brussels?

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

What is the time difference between St. Louis and Brussels?

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