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Cheap flights from St. Louis to Brussels from $408

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brussels departing on 1/17. 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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Find the cheapest flights from St. Louis to Brussels

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Brussels that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Brussels.

Cheap last minute flights

Planning a quick getaway from St. Louis to Brussels? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Brussels, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Brussels

Find recent round-trip train or bus tickets from St. Louis to Brussels.

All round-trip flight deals to Brussels

The cheapest plane tickets to Brussels found on KAYAK recently.
1:05 pm - 7:55 amSTL-BRU
12h 50m2 stops
9:20 pm - 2:59 pmBRU-STL
24h 39m2 stops
Sun, Mar 23 - Mon, Mar 31
11:05 am - 7:55 amSTL-BRU
14h 50m1 stop
10:00 am - 12:20 pmBRU-STL
33h 20m2 stops
Sun, Mar 23 - Mon, Mar 31
3:50 pm - 8:55 amSTL-BRU
34h 05m2 stops
10:00 am - 3:40 pmBRU-STL
36h 40m2 stops
$830Air Canada
Find Deal
Fri, Feb 21 - Fri, Feb 28
8:25 am - 7:15 amSTL-BRU
15h 50m1 stop
10:00 am - 3:06 pmBRU-STL
36h 06m2 stops
Fri, Feb 21 - Fri, Feb 28
11:20 am - 8:55 amSTL-BRU
14h 35m1 stop
10:10 am - 5:06 pmBRU-STL
13h 56m1 stop
$849United Airlines
Find Deal
Fri, Feb 21 - Fri, Feb 28
8:00 am - 7:55 amSTL-BRU
17h 55m2 stops
10:00 am - 3:21 pmBRU-STL
36h 21m3 stops
$861United Airlines
Find Deal
Thu, Mar 20 - Thu, Apr 3
12:55 pm - 7:15 amSTL-BRU
11h 20m1 stop
10:00 am - 4:25 pmBRU-STL
37h 25m2 stops
$867United Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 30
9:44 am - 8:55 amSTL-BRU
16h 11m1 stop
10:10 am - 3:38 pmBRU-STL
12h 28m1 stop
$889United Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 30
8:00 am - 8:05 amSTL-BRU
17h 05m2 stops
9:40 am - 3:21 pmBRU-STL
36h 41m2 stops
$933Air Canada
Find Deal
Tue, Apr 1 - Wed, Apr 16
5:00 am - 7:55 amSTL-BRU
19h 55m2 stops
10:00 am - 3:38 pmBRU-STL
36h 38m2 stops
$1,377Air Canada
Find Deal
Thu, Jan 2 - Sun, Jan 12
5:05 pm - 9:00 amSTL-CRL
56h 55m3 stops
Fri, Jan 17
11:28 am - 10:10 amSTL-CRL
39h 42m3 stops
Thu, Jan 16
3:45 pm - 9:30 pmSTL-CRL
22h 45m2 stops
Fri, Jan 17
3:41 pm - 9:25 pmSTL-CRL
22h 44m2 stops
Thu, Jan 16

United Airlines flights from St. Louis to Brussels

Our best United Airlines deals on St. Louis to Brussels flight tickets
United Airlines
Feb 21
STL11:20 amLambert-St Louis
14h 35m
1 stop
BRU8:55 amBrussels Bruxelles-National
Feb 28
BRU10:10 amBrussels Bruxelles-National
13h 56m
1 stop
STL5:06 pmLambert-St Louis
United Airlines
Mar 20
STL8:00 amLambert-St Louis
17h 55m
2 stops
BRU7:55 amBrussels Bruxelles-National
Apr 3
BRU10:00 amBrussels Bruxelles-National
36h 21m
3 stops
STL3:21 pmLambert-St Louis
United Airlines
Jan 21
STL12:55 pmLambert-St Louis
11h 20m
1 stop
BRU7:15 amBrussels Bruxelles-National
Jan 30
BRU10:00 amBrussels Bruxelles-National
37h 25m
2 stops
STL4:25 pmLambert-St Louis

Air Canada flights from St. Louis to Brussels

Our best Air Canada deals on St. Louis to Brussels flight tickets
Air Canada
Feb 21
STL3:50 pmLambert-St Louis
34h 05m
2 stops
BRU8:55 amBrussels Bruxelles-National
Feb 28
BRU10:00 amBrussels Bruxelles-National
36h 40m
2 stops
STL3:40 pmLambert-St Louis
Air Canada
Apr 1
STL8:00 amLambert-St Louis
17h 05m
2 stops
BRU8:05 amBrussels Bruxelles-National
Apr 16
BRU9:40 amBrussels Bruxelles-National
36h 41m
2 stops
STL3:21 pmLambert-St Louis
Air Canada
Jan 2
STL5:00 amLambert-St Louis
19h 55m
2 stops
BRU7:55 amBrussels Bruxelles-National
Jan 12
BRU10:00 amBrussels Bruxelles-National
36h 38m
2 stops
STL3:38 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, January 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 $858. If you are unable to visit Brussels during the month of January, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $893.

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.

Can stopping save me money on St. Louis to Brussels flights?

You could potentially save up to 28% on your flight if you consider stops on a St. Louis to Brussels flight.

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

$408

Fastest flight time

11h 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 $408. The best round-trip flight deal from St. Louis to Brussels found on momondo in the last 72 hours is $819.
The fastest flight from St. Louis to Brussels takes 11h 20m
There are no direct flights from St. Louis to Brussels. Popular non-direct routes for this connection are Lambert-St Louis Airport - Charleroi Brussels Airport and Lambert-St Louis Airport - Brussels Bruxelles-National 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 11h 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
9,055 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