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St. Louis

$634+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:30 amBRU - STL
2 stops15h 48mUnited Airlines
Thu 1/18:05 amSTL - BRU
1 stop17h 50mUnited Airlines
Deal found 12/10$685
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:10 amBRU - STL
1 stop18h 33mUnited Airlines
Thu 1/18:05 amSTL - BRU
1 stop17h 50mUnited Airlines
Deal found 12/10$694
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:40 amBRU - STL
2 stops19h 03mUnited Airlines
Wed 12/316:35 pmSTL - BRU
1 stop31h 20mUnited Airlines
Deal found 12/10$716
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:45 amBRU - STL
2 stops19h 53mDelta
Wed 12/3110:04 amSTL - BRU
2 stops14h 31mDelta
Deal found 12/10$721
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 amBRU - STL
1 stop19h 33mUnited Airlines
Wed 12/319:55 amSTL - BRU
2 stops14h 55mUnited Airlines
Deal found 12/10$744
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 amBRU - STL
1 stop14h 44mUnited Airlines
Thu 1/13:10 pmSTL - BRU
2 stops15h 25mUnited Airlines
Deal found 12/10$746
This Flighttix deal was found by Cheapflights users on 12/10. 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.
Thu 12/257:00 amBRU - STL
2 stops19h 22mLufthansa
Sat 1/36:35 pmSTL - BRU
1 stop31h 20mLufthansa
Deal found 12/10$764
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amBRU - STL
2 stops19h 18mUnited Airlines
Sat 1/36:35 pmSTL - BRU
1 stop31h 20mUnited Airlines
Deal found 12/10$790

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$634
(Flighttix)

Popular in

July

Cheapest in

June

Average price

$702
Provider with most accurate pricing for Brussels Bruxelles-National-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brussels Bruxelles-National-Lambert-St Louis flights.
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From Brussels Bruxelles-National to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Sun 1/25

7:00 am-1:55 pm

1 stop13h 55m

Lambert-St Louis

Sun 2/1

12:44 pm-10:10 am

2 stops14h 26m

$652

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Thu 12/25

10:30 am-9:43 pm

2 stops18h 13m

Lambert-St Louis

Wed 12/31

5:02 pm-8:55 am

1 stop32h 53m

$685

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 12/26

7:00 am-7:18 pm

2 stops19h 18m

Lambert-St Louis

Wed 12/31

6:35 pm-8:55 am

1 stop31h 20m

$685

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Thu 2/26

9:00 am-9:00 pm

2 stops19h 00m

Lambert-St Louis

Mon 3/2

8:30 am-7:15 am

1 stop15h 45m

$686

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 1/23

9:00 am-7:27 pm

2 stops17h 27m

Lambert-St Louis

Tue 1/27

9:57 am-8:05 am

2 stops15h 08m

$686

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 12/26

10:10 am-4:27 pm

1 stop13h 17m

Lambert-St Louis

Thu 1/1

8:05 am-8:55 am

1 stop17h 50m

$694

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 12/27

10:10 am-7:18 pm

1 stop16h 08m

Lambert-St Louis

Wed 12/31

6:35 pm-8:55 am

1 stop31h 20m

$694

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Wed 12/24

10:10 am-9:43 pm

1 stop18h 33m

Lambert-St Louis

Thu 1/1

8:05 am-8:55 am

1 stop17h 50m

$694

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Wed 4/22

8:45 am-9:03 pm

2 stops19h 18m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Bruxelles-National to St. Louis

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 Bruxelles-National to St. Louis in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Brussels Bruxelles-National Airport-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Brussels Bruxelles-National Airport-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Brussels Bruxelles-National Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Brussels Bruxelles-National Airport-St. Louis 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 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.

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 December 12, 2025.
See what other customers who have flown with United Airlines 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
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 1 airline.

  • 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 13h 55m. Lufthansa provides one of the quickest options available for as low as $652. Airlines will cover a distance of 4393 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly 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 $652. United Airlines is 10% 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.

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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Bruxelles-National to St. Louis

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Top airline flying from Bruxelles-National to St. Louis

Discover the top airline 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$652Average$848FlexibilityNo cancel feeOn-time69%

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