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Cheap flights from St. Louis to Brussels from $773

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brussels departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Brussels.
 Logo
1:30 pm - 8:05 amSTL-BRU
11h 35m1 stop
 Logo
4:25 pm - 3:30 pmBRU-STL
30h 05m2 stops
Mon, May 12 - Mon, May 26
British Airways Logo
7:19 pm - 7:35 pmSTL-BRU
17h 16m2 stops
British Airways Logo
9:15 pm - 3:21 pmBRU-STL
25h 06m2 stops
$774British Airways
Find Deal
Mon, May 12 - Mon, May 26
United Airlines Logo
5:29 pm - 9:00 amSTL-BRU
32h 31m1 stop
United Airlines Logo
9:40 am - 12:36 pmBRU-STL
33h 56m1 stop
$789United Airlines
Find Deal
Mon, May 12 - Mon, May 26
Air Canada Logo
1:30 pm - 1:15 pmSTL-BRU
16h 45m2 stops
Air Canada Logo
10:00 am - 8:00 pmBRU-STL
17h 00m1 stop
$878Air Canada
Find Deal
Wed, Jul 30 - Thu, Aug 7
Air Canada Logo
9:15 am - 7:50 amSTL-BRU
15h 35m1 stop
Air Canada Logo
10:00 am - 8:00 pmBRU-STL
17h 00m1 stop
$881Air Canada
Find Deal
Wed, Jul 30 - Thu, Aug 7
United Airlines Logo
5:00 am - 9:00 amSTL-BRU
21h 00m1 stop
United Airlines Logo
9:40 am - 7:40 pmBRU-STL
17h 00m1 stop
$886United Airlines
Find Deal
Wed, Jul 30 - Thu, Aug 7
Air Canada Logo
1:30 pm - 1:15 pmSTL-BRU
16h 45m2 stops
Air Canada Logo
10:00 am - 9:35 pmBRU-STL
18h 35m2 stops
$888Air Canada
Find Deal
Wed, Jul 30 - Fri, Aug 8
Delta Logo
10:45 am - 8:40 amSTL-BRU
14h 55m2 stops
Delta Logo
6:10 am - 4:45 pmBRU-STL
17h 35m2 stops
$918Delta
Find Deal
Wed, Jul 30 - Wed, Aug 6
Scandinavian Airlines Logo
1:30 pm - 1:50 pmSTL-BRU
17h 20m2 stops
Scandinavian Airlines Logo
8:30 pm - 11:39 pmBRU-STL
34h 09m2 stops
$1,228Scandinavian Airlines
Find Deal
Thu, Jul 31 - Thu, Aug 7
Scandinavian Airlines Logo
3:30 pm - 1:40 pmSTL-BRU
15h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 11:39 pmBRU-STL
20h 19m2 stops
$1,306Scandinavian Airlines
Find Deal
Fri, Aug 1 - Thu, Aug 7

Air Canada flights from St. Louis to Brussels

Our best Air Canada deals on St. Louis to Brussels flight tickets
Air Canada
Jul 30
STL1:30 pmLambert-St Louis
16h 45m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Aug 7
BRU10:00 amBrussels Bruxelles-National
17h 00m
1 stop
STL8:00 pmLambert-St Louis
Air Canada
Jul 30
STL9:15 amLambert-St Louis
15h 35m
1 stop
BRU7:50 amBrussels Bruxelles-National
Aug 7
BRU10:00 amBrussels Bruxelles-National
17h 00m
1 stop
STL8:00 pmLambert-St Louis
Air Canada
Jul 30
STL1:30 pmLambert-St Louis
16h 45m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Aug 8
BRU10:00 amBrussels Bruxelles-National
18h 35m
2 stops
STL9:35 pmLambert-St Louis

Scandinavian Airlines flights from St. Louis to Brussels

Our best Scandinavian Airlines deals on St. Louis to Brussels flight tickets
Scandinavian Airlines
Jul 31
STL1:30 pmLambert-St Louis
17h 20m
2 stops
BRU1:50 pmBrussels Bruxelles-National
Aug 7
BRU8:30 pmBrussels Bruxelles-National
34h 09m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines
Aug 1
STL3:30 pmLambert-St Louis
15h 10m
2 stops
BRU1:40 pmBrussels Bruxelles-National
Aug 7
BRU10:20 amBrussels Bruxelles-National
20h 19m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines
Jul 31
STL1:30 pmLambert-St Louis
17h 20m
2 stops
BRU1:50 pmBrussels Bruxelles-National
Aug 8
BRU10:20 amBrussels Bruxelles-National
20h 19m
2 stops
STL11:39 pmLambert-St Louis

See travel insights to Brussels from

How to get the cheapest flight ticket from St. Louis to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Brussels?

What is the cheapest month to fly to Brussels?

In general, February is the cheapest month to fly from St. Louis to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $690. If you are unable to visit Brussels during the month of February, then departing from St. Louis during the month March is also very affordable. Most momondo users find prices during this month for around $725.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $1,035. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,431.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is in the afternoon. momondo users have found flights departing from St. Louis to Brussels in the afternoon for as low as $1,088. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,420.

Cheap St. Louis to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Brussels

Best Price Found

$1,512

Fastest flight time

10h 20m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from St. Louis in the past 72 hours is $1,512. The best round-trip flight deal from St. Louis to Brussels found on momondo in the last 72 hours is $773.
The fastest flight from St. Louis to Brussels takes 10h 20m
There are no direct flights from St. Louis to Brussels. Popular non-direct routes for this connection are Lambert-St Louis Airport - Brussels Bruxelles-National Airport and Lambert-St Louis Airport - Charleroi Brussels Airport.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)

  • How far is Lambert-St Louis to Brussels by plane?

    There are 4389.6 mi between Lambert-St Louis and Brussels. By plane, this route typically takes 10h 20m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Brussels?

    Prices for flights from Lambert-St Louis Airport to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Brussels?

  • How old do you have to be to fly from Lambert-St Louis Airport to Brussels?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from St. Louis to Brussels

Compare and see reviews for airlines that fly from St. Louis to Brussels with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $578Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Brussels?

Finding the right flight to Brussels from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

Can I find flights from St. Louis to Brussels with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Brussels from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Brussels?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Brussels.

I’m not ready to book a flight from St. Louis to Brussels right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from St. Louis and alert you when they change.


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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels