Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Brussels from $732

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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Brussels

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Brussels.
United Airlines Logo
1:30 pm - 8:05 amSTL-BRU
11h 35m1 stop
United Airlines Logo
9:50 am - 2:53 pmBRU-STL
36h 03m2 stops
$732United Airlines
Find Deal
Mon, May 12 - Mon, May 26
British Airways Logo
7:30 pm - 7:35 pmSTL-BRU
17h 05m2 stops
British Airways Logo
9:15 pm - 8:58 pmBRU-STL
30h 43m2 stops
$739British 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
$756United Airlines
Find Deal
Mon, May 12 - Mon, May 26
United Airlines Logo
1:30 pm - 8:05 amSTL-BRU
11h 35m1 stop
United Airlines Logo
2:25 pm - 7:58 pmBRU-STL
36h 33m2 stops
$935United Airlines
Find Deal
Mon, May 26 - Mon, Jun 9
United Airlines Logo
1:10 pm - 9:45 amSTL-BRU
13h 35m2 stops
United Airlines Logo
9:40 am - 3:30 pmBRU-STL
36h 50m2 stops
$943United Airlines
Find Deal
Mon, May 26 - Mon, Jun 9
Air Canada Logo
1:30 pm - 8:05 amSTL-BRU
11h 35m1 stop
Air Canada Logo
10:00 am - 7:58 pmBRU-STL
16h 58m1 stop
$967Air Canada
Find Deal
Mon, May 26 - Mon, Jun 9
 Logo
5:27 pm - 6:20 pmSTL-BRU
17h 53m2 stops
 Logo
11:40 am - 11:49 pmBRU-STL
19h 09m2 stops
$1,001
Find Deal
Wed, Jul 23 - Mon, Jul 28
United Airlines Logo
6:33 am - 8:00 amSTL-BRU
18h 27m2 stops
United Airlines Logo
10:15 am - 12:27 pmBRU-STL
33h 12m1 stop
$1,029United Airlines
Find Deal
Wed, Jul 23 - Mon, Jul 28
 Logo
6:00 pm - 5:10 pmSTL-BRU
16h 10m2 stops
 Logo
6:40 pm - 11:22 amBRU-STL
47h 42m3 stops
$1,209
Find Deal
Mon, Apr 21 - Thu, Apr 24
Lufthansa Logo
1:12 pm - 9:00 amSTL-BRU
12h 48m1 stop
Lufthansa Logo
10:15 am - 3:47 pmBRU-STL
12h 32m1 stop
$1,859Lufthansa
Find Deal
Mon, Apr 21 - Thu, Apr 24

United Airlines flights from St. Louis to Brussels

Our best United Airlines deals on St. Louis to Brussels flight tickets
United Airlines
May 12
STL1:30 pmLambert-St Louis
11h 35m
1 stop
BRU8:05 amBrussels Bruxelles-National
May 26
BRU9:50 amBrussels Bruxelles-National
36h 03m
2 stops
STL2:53 pmLambert-St Louis
United Airlines
May 12
STL5:29 pmLambert-St Louis
32h 31m
1 stop
BRU9:00 amBrussels Bruxelles-National
May 26
BRU9:40 amBrussels Bruxelles-National
33h 56m
1 stop
STL12:36 pmLambert-St Louis
United Airlines
May 26
STL1:30 pmLambert-St Louis
11h 35m
1 stop
BRU8:05 amBrussels Bruxelles-National
Jun 9
BRU2:25 pmBrussels Bruxelles-National
36h 33m
2 stops
STL7:58 pmLambert-St Louis

Lufthansa flights from St. Louis to Brussels

Our best Lufthansa deals on St. Louis to Brussels flight tickets
Lufthansa
Apr 21
STL1:12 pmLambert-St Louis
12h 48m
1 stop
BRU9:00 amBrussels Bruxelles-National
Apr 24
BRU10:15 amBrussels Bruxelles-National
12h 32m
1 stop
STL3:47 pmLambert-St Louis
Lufthansa
Apr 6
STL3:30 pmLambert-St Louis
14h 15m
1 stop
BRU12:45 pmBrussels Bruxelles-National
Apr 8
BRU7:30 pmBrussels Bruxelles-National
25h 00m
1 stop
STL1:30 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

$1,555

Fastest flight time

11h 35m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from St. Louis in the past 72 hours is $1,555. The best round-trip flight deal from St. Louis to Brussels found on momondo in the last 72 hours is $732.
The fastest flight from St. Louis to Brussels takes 11h 35m
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 11h 35m.

  • 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
8,616 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.


An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 4/7
Mon 4/14

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