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St. Louis

$583+ Cheap flights from Bruxelles-National (BRU) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Bruxelles-National to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) to St. Louis (STL). 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 September 11, 2025.

Round-trip from

$583
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$682
From Brussels Bruxelles-National to Lambert-St Louis
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Highest demand for flights based on searches. 26% potential increase in price ($290 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bruxelles-National to St. Louis

Cheapest flights from Bruxelles-National to St. Louis
Explore the most affordable flight options available from Bruxelles-National to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/3111:45 amBRU - STL
2 stops27h 08mAmerican Airlines
Tue 11/41:50 pmSTL - BRU
2 stops20h 10mAmerican Airlines
Deal found 9/11$583
This British Airways deal was found by Cheapflights users on 9/9. 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.
Fri 10/319:20 pmBRU - STL
2 stops29h 33mBritish Airways
Tue 11/411:42 amSTL - BRU
2 stops16h 08mBritish Airways
Deal found 9/9$587
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/110:55 amBRU - STL
2 stops19h 12mAmerican Airlines
Mon 10/134:25 pmSTL - BRU
2 stops14h 55mAmerican Airlines
Deal found 9/10$594
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 12/410:15 amBRU - STL
2 stops20h 43mAmerican Airlines
Sun 12/76:13 pmSTL - BRU
2 stops15h 27mAmerican Airlines
Deal found 9/10$606
This Finnair deal was found by Cheapflights users on 9/11. 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.
Sun 10/269:35 pmBRU - STL
2 stops29h 16mMultiple Airlines
Sun 11/211:42 amSTL - BRU
2 stops27h 48mMultiple Airlines
Deal found 9/11$610
This British Airways deal was found by Cheapflights users on 9/9. 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.
Thu 12/410:15 amBRU - STL
2 stops15h 51mBritish Airways
Sun 12/74:49 pmSTL - BRU
2 stops20h 06mBritish Airways
Deal found 9/9$611
This Priceline deal was found by Cheapflights users on 9/9. 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.
Fri 10/247:35 pmBRU - STL
2 stops29h 36mBritish Airways
Fri 10/3110:13 amSTL - BRU
2 stops23h 12mBritish Airways
Deal found 9/9$631
This Flighttix deal was found by Cheapflights users on 9/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amBRU - STL
1 stop13h 55mMultiple Airlines
Tue 11/410:00 amSTL - BRU
2 stops14h 50mMultiple Airlines
Deal found 9/11$633
This Flighttix deal was found by Cheapflights users on 9/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:30 amBRU - STL
2 stops15h 09mUnited Airlines
Tue 11/411:05 amSTL - BRU
1 stop14h 50mUnited Airlines
Deal found 9/10$636
This Lufthansa deal was found by Cheapflights users on 9/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amBRU - STL
1 stop13h 55mLufthansa
Tue 11/41:10 pmSTL - BRU
1 stop11h 05mLufthansa
Deal found 9/10$640
This Lufthansa deal was found by Cheapflights users on 9/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:00 amBRU - STL
2 stops19h 40mLufthansa
Sun 12/71:00 pmSTL - BRU
1 stop12h 55mLufthansa
Deal found 9/10$644

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bruxelles-National to St. Louis 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 September 11, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to St. Louis that are best for you.

Fly from

Bruxelles-National

Fly to

St. Louis

Route

Depart

Return

Price

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/31

11:45 am-8:53 am

2 stops27h 08m

Lambert-St Louis

Tue 11/4

1:50 pm-5:00 pm

2 stops20h 10m

$583

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Wed 12/3

11:50 am-8:11 am

2 stops27h 21m

Lambert-St Louis

Sun 12/7

11:50 am-10:50 am

2 stops16h 00m

$585

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/31

9:20 pm-8:53 pm

2 stops29h 33m

Lambert-St Louis

Tue 11/4

11:42 am-10:50 am

2 stops16h 08m

$587

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Wed 10/1

10:55 am-11:07 pm

2 stops19h 12m

Lambert-St Louis

Mon 10/13

4:25 pm-2:20 pm

2 stops14h 55m

$594

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Thu 12/4

10:15 am-11:58 pm

2 stops20h 43m

Lambert-St Louis

Sun 12/7

6:13 pm-4:40 pm

2 stops15h 27m

$606

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 10/26

9:35 pm-8:51 pm

2 stops29h 16m

Lambert-St Louis

Sun 11/2

11:42 am-10:30 pm

2 stops27h 48m

$610

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/24

7:35 pm-6:11 pm

2 stops29h 36m

Lambert-St Louis

Fri 10/31

10:13 am-3:25 pm

2 stops23h 12m

$631

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/31

7:00 am-2:55 pm

1 stop13h 55m

Lambert-St Louis

Tue 11/4

10:00 am-7:50 am

2 stops14h 50m

$633

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/31

10:30 am-7:39 pm

2 stops15h 09m

Lambert-St Louis

Tue 11/4

11:05 am-8:55 am

1 stop14h 50m

$636

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 10/31

7:00 am-2:55 pm

1 stop13h 55m

Lambert-St Louis

Tue 11/4

1:10 pm-7:15 am

1 stop11h 05m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 12 results
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Best time to book a flight from Bruxelles-National to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bruxelles-National with our price prediction graph.
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 Brussels Bruxelles-National Airport to St. Louis

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to St. Louis (average of $311). Flying from Brussels Bruxelles-National Airport to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from BRU to STL?

Find hourly flight availability from Bruxelles-National to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Brussels Bruxelles-National Airport to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines and British Airways from Brussels Bruxelles-National Airport to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Bruxelles-National to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Brussels Bruxelles-National?

    If you book a flight to St. Louis from Brussels Bruxelles-National, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Brussels Bruxelles-National to Lambert-St Louis per day from 2 different airlines.

  • How long is the flight from Brussels Bruxelles-National Airport to St. Louis?

    A quick flight from Brussels Bruxelles-National Airport to St. Louis can take about 27h 08m. American Airlines provides one of the quickest options available for as low as $583. Airlines will cover a distance of 4393 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Brussels Bruxelles-National Airport to St. Louis round-trip?

    Cheapflights users have booked flights from Brussels Bruxelles-National Airport to St. Louis round-trip from $536. Another airline that can offer you cheap pricing is United Airlines. British Airways is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Bruxelles-National to St. Louis that include hotel bookings?

    Yes. In addition to deals on Bruxelles-National to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bruxelles-National to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bruxelles-National to St. Louis.

  • Can I find deals for business class flights from Bruxelles-National to St. Louis?

    Yes. Cheapflights offers flight deals from Bruxelles-National to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to St. Louis (average of $311). Flying from Brussels Bruxelles-National Airport to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 2 airlines flying from Bruxelles-National to St. Louis

Discover the top 2 airlines that operate flights from Bruxelles-National to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$536Average$732FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$652Average$842FlexibilityNo cancel feeOn-time69%

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