Which airports can I use when flying from St. Louis to Brussels?

Flights from St. Louis to Brussels usually depart from Lambert-St Louis (STL) and may arrive at several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).

What cabin classes can I book on flights from St. Louis to Brussels?

Three cabin classes are available on flights from St. Louis to Brussels: • Economy Class • Premium Economy Class • First Class

Which airports do connecting flights from St. Louis to Brussels pass through?

One-stop flights from St. Louis to Brussels most commonly connect through: • Chicago O'Hare Intl (ORD) - 53% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections • Frankfurt am Main (FRA) - 20% of one-stop connections • Washington, D.C. Dulles Intl (IAD) - 7% of one-stop connections

Can I save money by using flexible dates for flights from St. Louis to Brussels?

Yes. Flexible dates can save you up to 52% on flights from St. Louis to Brussels. Thursday is the cheapest departure day at $685 round-trip on average, while Saturday is the most expensive at $1,399, a difference of $714. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Brussels?

Some of the most popular sights in Brussels are Grand Place, King Baudouin Stadium and Place Sainte-Catherine. These are among the most viewed places in Brussels on KAYAK.

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

A nonstop flight from St. Louis to Brussels takes 00m, covering 4,390 miles.

Do I need a passport to fly from St. Louis to Brussels?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from St. Louis to Brussels looking right now?

One-way fares from St. Louis to Brussels are currently higher than usual. Average one-way flight prices are about $1,980, which is 223% above the typical average for this route.

How much time can I save by choosing a different layover airport from St. Louis to Brussels?

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 12h 01m, compared with 12h 42m via Atlanta Hartsfield-Jackson (ATL) and 12h 59m via Chicago O'Hare Intl (ORD).

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

Brussels is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available in Brussels?

Since Brussels is served by multiple airports, car rental options and rates can vary depending on which one you fly into. Near Brussels Bruxelles-National Airport (BRU) — daily rates averaging $48: • Alamo • Hertz • keddy by Europcar • Europcar • Sixt Near Charleroi Brussels Airport (CRL) — daily rates averaging $56: • keddy by Europcar • Europcar • Hertz • Sixt • Thrifty

How much should I expect to pay for a St. Louis to Brussels flight?

Round-trip flights from St. Louis to Brussels range from $684 to $1,278, with an average of $1,057 over the past 12 months. Anything below $684 counts as a good deal.

What's the cheapest day of the week to fly from St. Louis to Brussels?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Brussels. It’s 36% cheaper than the average day, while Saturday is the most expensive, with prices 32% higher.

Which airline is the cheapest to fly from St. Louis to Brussels?

United Airlines ($728) and Air Canada ($730) are the cheapest airlines to fly round-trip from St. Louis to Brussels according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to Brussels?

Chicago O'Hare Intl (ORD) is the most popular layover for the St. Louis to Brussels route. 53% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.

What is the cheapest layover airport when flying from St. Louis to Brussels?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $952. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Brussels which airport offers the shortest layover?

Atlanta Hartsfield-Jackson (ATL) had the shortest average connection time for St. Louis to Brussels layovers at 7h over the past 3 months.

$552 CHEAP FLIGHTS from St. Louis to Brussels (STL - BR1)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$725

Typical prices: $684-$1,278

Multiple Airlines

Wed 4/25Mon 4/30

STL - BRU • 1 stop

Cheapest one-way

$552

Typical prices: $453-$717

Multiple Airlines

Thu 1/4

STL - BRU • 2 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Brussels. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

February

Cheapest • 51% price drop

March

Most popular

Good to know

Top layover airports

Frankfurt am Main (FRA)

Cheapest • Avg $952 (round-trip)

Atlanta Hartsfield-Jackson (ATL)

Shortest trip • 12h 42m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Brussels!

Flight Deals

Cheap Flights from St. Louis to Brussels (STL-BRU)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Brussels

Sun, Apr 25 - Fri, Apr 30

4:05 pm - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

32h 45m1 stop Toronto Pearson Intl

7:00 am - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

13h 25m1 stop Frankfurt am Main

$725Multiple Airlines

Sun, Apr 25 - Fri, Apr 30

4:05 pm - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

32h 45m1 stop Toronto Pearson Intl

7:00 am - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

13h 25m1 stop Frankfurt am Main

$726Multiple Airlines

Sun, Feb 14 - Thu, Feb 18

3:30 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

10h 25m1 stop Chicago O'Hare Intl

10:00 am - 3:58 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

36h 58m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$728United Airlines

Sun, Apr 25 - Fri, Apr 30

4:05 pm - 8:00 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

20h 55m2 stops Toronto Pearson Intl London Heathrow

7:00 am - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

13h 25m1 stop Frankfurt am Main

$729Multiple Airlines

Sun, Feb 14 - Thu, Feb 18

4:05 pm - 1:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

14h 10m2 stops Toronto Pearson Intl London Heathrow

10:00 am - 12:06 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

33h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$730Air Canada

Sun, Apr 25 - Fri, Apr 30

4:05 pm - 8:00 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

20h 55m2 stops Toronto Pearson Intl London Heathrow

7:00 am - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

13h 25m1 stop Frankfurt am Main

$730Multiple Airlines

Sun, Feb 14 - Thu, Feb 18

6:15 am - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

18h 35m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:00 am - 12:06 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

33h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$731Air Canada

Sun, Feb 14 - Thu, Feb 18

8:00 am - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

16h 50m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:00 am - 12:06 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

33h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$731Air Canada

Sun, Feb 14 - Thu, Feb 18

9:52 am - 8:05 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

15h 13m1 stop Newark

10:10 am - 7:24 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

16h 14m1 stop Chicago O'Hare Intl

$748United Airlines

Sun, Apr 25 - Fri, Apr 30

2:33 pm - 2:10 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

16h 37m2 stops Chicago O'Hare Intl London Heathrow

10:45 am - 10:17 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

18h 32m2 stops London Heathrow Chicago O'Hare Intl

$750British Airways

Recent last minute flight deals from St. Louis to Brussels

Mon, Nov 9 - Mon, Nov 16

12:58 pm - 11:10 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

15h 12m2 stops Dallas/Fort Worth London Heathrow

9:15 pm - 4:43 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

26h 28m2 stops London Heathrow Chicago O'Hare Intl

$10,569British Airways

Mon, Nov 9 - Mon, Nov 16

6:50 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

31h 05m1 stop Chicago O'Hare Intl

10:10 am - 4:59 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

13h 49m1 stop Chicago O'Hare Intl

$10,571Lufthansa

Mon, Nov 9 - Sun, Nov 15

6:50 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

31h 05m1 stop Chicago O'Hare Intl

11:55 am - 7:30 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

14h 35m1 stop Washington, D.C. Dulles Intl

$10,571Lufthansa

Mon, Nov 9 - Mon, Nov 16

6:50 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

31h 05m1 stop Chicago O'Hare Intl

1:45 pm - 7:30 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

36h 45m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$10,748Lufthansa

Mon, Nov 9 - Sun, Nov 15

12:58 pm - 4:40 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

20h 42m2 stops Dallas/Fort Worth London Heathrow

11:25 am - 11:33 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

19h 08m2 stops London Heathrow Dallas/Fort Worth

$10,833British Airways

Mon, Nov 9 - Sun, Nov 15

2:31 pm - 2:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National

16h 44m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

12:55 pm - 9:42 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

15h 47m1 stop Atlanta Hartsfield-Jackson

$11,455Multiple Airlines

Mon, Nov 9 - Sat, Nov 14

1:20 pm - 11:10 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

14h 50m2 stops Chicago O'Hare Intl London Heathrow

9:40 am - 8:26 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

17h 46m2 stops London Heathrow Philadelphia

$11,603British Airways

Mon, Nov 9 - Sat, Nov 14

1:00 pm - 7:15 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National

11h 15m1 stop Washington, D.C. Dulles Intl

11:55 am - 7:30 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis

14h 35m1 stop Washington, D.C. Dulles Intl

$12,047Lufthansa

Booking Insights

Price, demand and travel trends for St. Louis to Brussels flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from St. Louis to Brussels?: Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Brussels. It’s 36% cheaper than the average day, while Saturday is the most expensive, with prices 32% higher.

Find deals

Low season	May
High season	March
Cheapest flight	$552

Beat the crowds with an average 56% drop in travelers.

The most popular month to fly with an average 47% increase in travelers.

One-way flight from St. Louis to Brussels Bruxelles-National Airport

When to book flights from St. Louis to Brussels

Are your dates flexible? Find out the best times to travel from St. Louis to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Brussels?
Three cabin classes are available on flights from St. Louis to Brussels:

• Economy Class
• Premium Economy Class
• First Class
How long is a flight from St. Louis to Brussels?
A nonstop flight from St. Louis to Brussels takes 00m, covering 4,390 miles.
Do I need a passport to fly from St. Louis to Brussels?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a St. Louis to Brussels flight?
Round-trip flights from St. Louis to Brussels range from $684 to $1,278, with an average of $1,057 over the past 12 months. Anything below $684 counts as a good deal.
How are flight prices from St. Louis to Brussels looking right now?
One-way fares from St. Louis to Brussels are currently higher than usual. Average one-way flight prices are about $1,980, which is 223% above the typical average for this route.
What car rental options are available in Brussels?
Since Brussels is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Brussels Bruxelles-National Airport (BRU) — daily rates averaging $48:

• Alamo
• Hertz
• keddy by Europcar
• Europcar
• Sixt

Near Charleroi Brussels Airport (CRL) — daily rates averaging $56:

• keddy by Europcar
• Europcar
• Hertz
• Sixt
• Thrifty
Which airports can I use when flying from St. Louis to Brussels?
Flights from St. Louis to Brussels usually depart from Lambert-St Louis (STL) and may arrive at several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).
Which airports do connecting flights from St. Louis to Brussels pass through?
One-stop flights from St. Louis to Brussels most commonly connect through:

• Chicago O'Hare Intl (ORD) - 53% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
• Frankfurt am Main (FRA) - 20% of one-stop connections
• Washington, D.C. Dulles Intl (IAD) - 7% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Brussels?
Yes. Flexible dates can save you up to 52% on flights from St. Louis to Brussels. Thursday is the cheapest departure day at $685 round-trip on average, while Saturday is the most expensive at $1,399, a difference of $714.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from St. Louis to Brussels?
Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 12h 01m, compared with 12h 42m via Atlanta Hartsfield-Jackson (ATL) and 12h 59m via Chicago O'Hare Intl (ORD).
What is the time difference between St. Louis and Brussels?
Brussels is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Brussels?
Some of the most popular sights in Brussels are Grand Place, King Baudouin Stadium and Place Sainte-Catherine. These are among the most viewed places in Brussels on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $685, about $714 less than Saturday fares (51% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Brussels trip for February. Fares historically average $516 round-trip in that month - typically $1,060 less than the most expensive month, which is June (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Brussels Bruxelles-National Airport.

• NH Brussels Airport
• Crowne Plaza Brussels Airport By IHG

More options for your flight from St. Louis to Brussels

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$552 Find Cheap Flights from St. Louis to Brussels - Compare and Save

Everything you should know

Cheap Flights from St. Louis to Brussels (STL-BRU)

Recent round-trip flight deals from St. Louis to Brussels

Recent one-way flight deals from St. Louis to Brussels

Recent last minute flight deals from St. Louis to Brussels

Price, demand and travel trends for St. Louis to Brussels flights

What's the cheapest day of the week to fly from St. Louis to Brussels?

Which airline is the cheapest to fly from St. Louis to Brussels?

What’s the most popular layover airport when flying from St. Louis to Brussels?

What is the cheapest layover airport when flying from St. Louis to Brussels?

When flying from St. Louis to Brussels which airport offers the shortest layover?

Key details for St. Louis to Brussels flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Brussels

Your St. Louis to Brussels flight questions, answered

Your guide to booking St. Louis to Brussels flights

More options for your flight from St. Louis to Brussels

Complete your trip to Brussels with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Brussels

Find direct flights to and from St. Louis and Brussels

Flights from domestic origins to Brussels

Choose which airport to fly into in Brussels

Flights to other popular destinations