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$536+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — STL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$536
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$823
Provider with most accurate pricing for Brussels Bruxelles-National-Lambert-St Louis flight deals.
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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
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Highest demand for flights based on searches. 22% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($98 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 6/157:05 amBRU - STL
2 stops20h 50mAmerican Airlines
Mon 6/239:56 amSTL - BRU
2 stops17h 09mAmerican Airlines
Deal found 3/31$536
This Finnair deal was found by Cheapflights users on 3/31. 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.
Thu 6/1911:40 amBRU - STL
2 stops19h 14mFinnair
Mon 6/235:29 pmSTL - BRU
2 stops17h 51mFinnair
Deal found 3/31$562
This British Airways deal was found by Cheapflights users on 3/31. 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.
Sun 6/158:35 pmBRU - STL
2 stops34h 19mBritish Airways
Mon 6/236:00 amSTL - BRU
2 stops30h 35mBritish Airways
Deal found 3/31$566
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/510:00 amBRU - STL
1 stop16h 58mUnited Airlines
Mon 5/1210:39 amSTL - BRU
1 stop15h 21mUnited Airlines
Deal found 3/30$591
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:00 amBRU - STL
1 stop16h 58mAir Canada
Mon 5/121:30 pmSTL - BRU
2 stops16h 45mAir Canada
Deal found 3/30$598
This Lufthansa deal was found by Cheapflights users on 3/31. 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.
Sun 6/1511:15 amBRU - STL
1 stop17h 41mLufthansa
Mon 6/231:10 pmSTL - BRU
1 stop12h 50mLufthansa
Deal found 3/31$607
This Delta deal was found by Cheapflights users on 3/31. 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.
Sun 6/1510:45 amBRU - STL
1 stop14h 14mDelta
Fri 6/207:04 pmSTL - BRU
1 stop30h 36mDelta
Deal found 3/31$634
This Iberia deal was found by Cheapflights users on 3/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1612:05 pmBRU - STL
2 stops28h 26mIberia
Sat 6/218:05 pmSTL - BRU
2 stops32h 20mIberia
Deal found 3/31$728
This Virgin Atlantic deal was found by Cheapflights users on 3/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1710:45 amBRU - STL
2 stops17h 52mVirgin Atlantic
Fri 6/2010:44 amSTL - BRU
2 stops14h 56mVirgin Atlantic
Deal found 3/31$952
This Air France deal was found by Cheapflights users on 3/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/163:05 pmBRU - STL
2 stops15h 37mMultiple Airlines
Thu 6/1910:44 amSTL - BRU
1 stop14h 56mMultiple Airlines
Deal found 3/31$954
This KLM deal was found by Cheapflights users on 3/31. 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.
Mon 6/166:10 amBRU - STL
2 stops15h 23mKLM
Thu 6/195:45 pmSTL - BRU
2 stops13h 50mKLM
Deal found 3/31$956

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 March 31, 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 6/15

7:05 am-8:55 pm

2 stops20h 50m

Lambert-St Louis

Mon 6/23

9:56 am-10:05 am

2 stops17h 09m

$536

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Thu 6/19

11:40 am-11:54 pm

2 stops19h 14m

Lambert-St Louis

Mon 6/23

5:29 pm-6:20 pm

2 stops17h 51m

$562

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 6/15

8:35 pm-11:54 pm

2 stops34h 19m

Lambert-St Louis

Mon 6/23

6:00 am-7:35 pm

2 stops30h 35m

$566

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 5/5

10:00 am-7:58 pm

1 stop16h 58m

Lambert-St Louis

Mon 5/12

10:39 am-9:00 am

1 stop15h 21m

$591

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 5/5

10:00 am-7:58 pm

1 stop16h 58m

Lambert-St Louis

Mon 5/12

1:30 pm-1:15 pm

2 stops16h 45m

$598

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 6/15

11:15 am-9:56 pm

1 stop17h 41m

Lambert-St Louis

Mon 6/23

1:10 pm-9:00 am

1 stop12h 50m

$607

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 6/15

10:45 am-5:59 pm

1 stop14h 14m

Lambert-St Louis

Fri 6/20

7:04 pm-8:40 am

1 stop30h 36m

$634

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/16

12:05 pm-9:31 am

2 stops28h 26m

Lambert-St Louis

Sat 6/21

8:05 pm-11:25 am

2 stops32h 20m

$728

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Tue 6/17

10:45 am-9:37 pm

2 stops17h 52m

Lambert-St Louis

Fri 6/20

10:44 am-8:40 am

2 stops14h 56m

$952

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/16

3:05 pm-11:42 pm

2 stops15h 37m

Lambert-St Louis

Thu 6/19

10:44 am-8:40 am

1 stop14h 56m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 13 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brussels Bruxelles-National Airport-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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.

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 March 31, 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
636 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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. Other airlines that can offer you cheap pricing are Finnair, from $562, and British Airways, from $566. American Airlines is 36% 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 Brussels Bruxelles-National Airport?

Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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Alternative routes for Bruxelles-National to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to Kansas City flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$544Average$744FlexibilityNo cancel feeOn-time70%
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