$383+ Cheap flights from St. Louis (STL) to Bruxelles-National (BRU)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BRU
May 23 — May 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Bruxelles-National with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Bruxelles-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Bruxelles-NationalExplore the most affordable flight options available from St. Louis to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
Explore the most affordable flight options available from St. Louis to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
This Justfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:30 pm
STL
- BRU
2 stops18h 05m
Scandinavian Airlines
Thu 9/1010:20 am
BRU
- STL
2 stops20h 17m
Scandinavian Airlines
Deal found 4/21![Scandinavian Airlines logo]()
$788
This KAYAK deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:35 pm
STL
- BRU
1 stop15h 50m
British Airways
Mon 10/58:50 pm
BRU
- STL
1 stop29h 40m
British Airways
Deal found 4/19![British Airways logo]()
$851
This Priceline deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:40 pm
STL
- BRU
1 stop15h 20m
Multiple Airlines
Sat 9/128:05 pm
BRU
- STL
2 stops30h 41m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$887
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:37 pm
STL
- BRU
2 stops17h 33m
British Airways
Sat 9/1210:40 am
BRU
- STL
2 stops19h 40m
British Airways
Deal found 4/18![British Airways logo]()
$893
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:10 pm
STL
- BRU
1 stop12h 00m
United Airlines
Thu 9/109:25 am
BRU
- STL
2 stops32h 41m
United Airlines
Deal found 4/21![United Airlines logo]()
$896
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:05 am
STL
- BRU
2 stops17h 05m
Air Canada
Tue 5/269:55 am
BRU
- STL
2 stops35h 28m
Air Canada
Deal found 4/19![Air Canada logo]()
$904
Best flights from St. Louis to Bruxelles-NationalDiscover carefully curated flight deals from St. Louis to Bruxelles-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from St. Louis to Bruxelles-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Finnair deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:44 am
STL
- BRU
2 stops27h 36m
Multiple Airlines
Mon 10/57:05 pm
BRU
- STL
2 stops31h 41m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$921
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:51 am
STL
- BRU
1 stop12h 49m
KLM
Sun 9/279:45 am
BRU
- STL
1 stop13h 12m
KLM
Deal found 4/20![KLM logo]()
$1,037
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:13 pm
STL
- BRU
1 stop12h 47m
United Airlines
Mon 5/259:55 am
BRU
- STL
1 stop17h 30m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,166
This British Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:29 pm
STL
- BRU
2 stops18h 36m
British Airways
Sun 5/2410:40 am
BRU
- STL
2 stops16h 50m
British Airways
Deal found 4/18![British Airways logo]()
$1,851
This KLM deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:49 am
STL
- BRU
1 stop13h 51m
KLM
Mon 5/259:45 am
BRU
- STL
1 stop13h 30m
KLM
Deal found 4/23![KLM logo]()
$1,172
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:15 pm
STL
- BRU
2 stops35h 40m
United Airlines
Fri 6/129:45 am
BRU
- STL
2 stops32h 56m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,218
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:05 pm
STL
- BRU
2 stops23h 55m
United Airlines
Sun 6/149:45 am
BRU
- STL
1 stop17h 40m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:05 pm
STL
- BRU
1 stop11h 05m
United Airlines
Mon 6/229:40 am
BRU
- STL
1 stop17h 45m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,229
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:05 pm
STL
- BRU
2 stops17h 10m
Multiple Airlines
Tue 5/125:55 am
BRU
- STL
3 stops21h 30m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,747
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:20 pm
STL
- BRU
1 stop10h 50m
United Airlines
Sun 7/510:15 am
BRU
- STL
1 stop12h 31m
United Airlines
Deal found 4/21![United Airlines logo]()
$1,448
Last-minute flights from St. Louis to Bruxelles-NationalDiscover last-minute flight deals from St. Louis to Bruxelles-National. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Bruxelles-National. Data last updated April 23, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:10 am
STL
- BRU
2 stops15h 00m
Air Canada
Fri 5/89:55 am
BRU
- STL
2 stops37h 44m
Air Canada
Deal found 4/21![Air Canada logo]()
$945
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:15 pm
STL
- BRU
1 stop10h 45m
United Airlines
Thu 5/79:55 am
BRU
- STL
2 stops31h 49m
United Airlines
Deal found 4/21![United Airlines logo]()
$941
This Air Canada deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:05 pm
STL
- BRU
2 stops33h 50m
Air Canada
Wed 5/69:55 am
BRU
- STL
2 stops35h 37m
Air Canada
Deal found 4/21![Air Canada logo]()
$942
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:15 pm
STL
- BRU
2 stops15h 00m
United Airlines
Wed 5/69:55 am
BRU
- STL
1 stop17h 30m
United Airlines
Deal found 4/21![United Airlines logo]()
$951
This Justfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:02 pm
STL
- BRU
2 stops22h 28m
Scandinavian Airlines
Fri 5/88:30 pm
BRU
- STL
2 stops32h 08m
Scandinavian Airlines
Deal found 4/21![Scandinavian Airlines logo]()
$952
This Air Canada deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
STL
- BRU
2 stops18h 20m
Air Canada
Wed 5/69:55 am
BRU
- STL
2 stops35h 37m
Air Canada
Deal found 4/21![Air Canada logo]()
$949
This AirNGo deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:05 pm
STL
- BRU
1 stop11h 05m
Air Canada
Tue 5/129:55 am
BRU
- STL
1 stop17h 30m
Air Canada
Deal found 4/22![Air Canada logo]()
$920
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:05 am
STL
- BRU
2 stops17h 05m
Air Canada
Tue 5/269:55 am
BRU
- STL
2 stops35h 28m
Air Canada
Deal found 4/19![Air Canada logo]()
$904
One-way flights from St. Louis to Bruxelles-NationalSearch for one-way flight options from St. Louis to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from St. Louis to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This oojo deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:39 am
STL
- BRU
2 stops21h 46m
British Airways
Deal found 4/19![British Airways logo]()
$383
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:41 am
STL
- BRU
2 stops17h 24m
American Airlines
Deal found 4/20![American Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:19 pm
STL
- BRU
3 stops58h 06m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:24 am
STL
- BRU
3 stops38h 11m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:45 am
STL
- BRU
3 stops43h 25m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pm
STL
- BRU
3 stops58h 25m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:55 pm
STL
- BRU
3 stops59h 00m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:45 am
STL
- BRU
3 stops28h 10m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$515
This Justfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:27 pm
STL
- BRU
2 stops14h 13m
Aer Lingus
Deal found 4/21![Aer Lingus logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:21 am
STL
- BRU
3 stops44h 34m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:51 pm
STL
- BRU
3 stops42h 09m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$548
Find flight deals from St. Louis to Bruxelles-National
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bruxelles-National (BRU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $788 (Justfly.com) |
One-way from | $383 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $931 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Bruxelles-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from St. Louis to Brussels Bruxelles-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Wed 9/30
7:44 am-6:20 pm
2 stops27h 36m
Brussels Bruxelles-National
Mon 10/5
7:05 pm-7:46 pm
2 stops31h 41m
$921
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Thu 9/17
11:51 am-7:40 am
1 stop12h 49m
Brussels Bruxelles-National
Sun 9/27
9:45 am-3:57 pm
1 stop13h 12m
$1,037
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Thu 5/21
1:13 pm-9:00 am
1 stop12h 47m
Brussels Bruxelles-National
Mon 5/25
9:55 am-8:25 pm
1 stop17h 30m
$1,166
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Thu 5/21
10:49 am-7:40 am
1 stop13h 51m
Brussels Bruxelles-National
Mon 5/25
9:45 am-4:15 pm
1 stop13h 30m
$1,172
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Fri 6/5
2:15 pm-8:55 am
2 stops35h 40m
Brussels Bruxelles-National
Fri 6/12
9:45 am-11:41 am
2 stops32h 56m
$1,218
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sun 6/7
1:05 pm-8:00 pm
2 stops23h 55m
Brussels Bruxelles-National
Sun 6/14
9:45 am-8:25 pm
1 stop17h 40m
$1,226
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Wed 6/10
1:05 pm-7:10 am
1 stop11h 05m
Brussels Bruxelles-National
Mon 6/22
9:40 am-8:25 pm
1 stop17h 45m
$1,229
Quickest round-trip
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Wed 6/24
1:20 pm-7:10 am
1 stop10h 50m
Brussels Bruxelles-National
Sun 7/5
10:15 am-3:46 pm
1 stop12h 31m
$1,448
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Mon 5/4
1:05 pm-1:15 pm
2 stops17h 10m
Brussels Bruxelles-National
Tue 5/12
5:55 am-8:25 pm
3 stops21h 30m
$1,747
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Wed 5/20
1:29 pm-3:05 pm
2 stops18h 36m
Brussels Bruxelles-National
Sun 5/24
10:40 am-8:30 pm
2 stops16h 50m
$1,851
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Bruxelles-National
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bruxelles-National in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Brussels Bruxelles-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Brussels Bruxelles-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Brussels Bruxelles-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Brussels Bruxelles-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Brussels Bruxelles-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Bruxelles-National
Have a flexible travel schedule? Discover the best time to fly to Bruxelles-National from St. Louis with our price prediction graph.
STL-BRU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Brussels Bruxelles-National Airport
What is the cheapest month to book a flight from St. Louis to Brussels Bruxelles-National Airport?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Brussels Bruxelles-National Airport (average of $494). Flying from St. Louis to Brussels Bruxelles-National Airport in December is currently the most expensive (average of $2,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Brussels Bruxelles-National Airport?
Reviews of airlines servicing Bruxelles-National
Get insights into the airlines that provide service to Bruxelles-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bruxelles-National. Reviews last updated April 23, 2026.
Read reviews from past customers who have flown United Airlines and Lufthansa from St. Louis to Brussels Bruxelles-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Food
6.6
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Food
6.6
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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Find useful and relevant information for your journey from St. Louis to Bruxelles-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Mechelen
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Top 2 airlines flying from St. Louis to Bruxelles-National
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$441 | Average$2,200 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$606 | Average$780 | FlexibilityNo cancel fee | On-time69% |