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St. Louis

$536+ Cheap flights from Belgium 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 Belgium to St. Louis

Keep the following information in mind while searching for Belgium to St. Louis flight deals. Data was last updated March 31, 2025.

Round-trip from

$536
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$823
From Belgium to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($98 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Belgium to St. Louis

Cheapest flights from Belgium to St. Louis
Explore the most affordable flight options available from Belgium 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 Belgium 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 Belgium to St. Louis that are best for you.

Fly from

Belgium

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
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Best time to book a flight from Belgium to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Belgium 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 Belgium to St. Louis

What is the cheapest month to book a flight from Belgium to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Belgium to St. Louis (average of $311). Flying from Belgium 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 BE to STL?

Find hourly flight availability from Belgium 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belgium to St. Louis as you normally would.

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

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 Belgium 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 Belgium?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Belgium to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

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

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

  • How can I find direct flights from Belgium to St. Louis?

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

  • Can I find deals for business class flights from Belgium to St. Louis?

    Yes. Cheapflights offers flight deals from Belgium 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 Belgium to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Belgium to St. Louis (average of $311). Flying from Belgium 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 Belgium?

Book flights to Belgium 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 Belgium to St. Louis

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Top airline flying from Belgium to St. Louis

Discover the top airline that operate flights from Belgium 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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