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St. Louis

$553+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — STL
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Round-trip from

$553
(British Airways)

Popular in

November

Cheapest in

May

Average price

$910
From Belgium to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($289 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($101 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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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 abril 29, 2025.

This British Airways deal was found by Cheapflights users on 4/28. 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.
lun. 6/27:05 pmBRU - STL
2 stops28h 17mBritish Airways
lun. 6/97:47 pmSTL - BRU
2 stops16h 48mBritish Airways
Deal found 4/28$553
This Flighttix deal was found by Cheapflights users on 4/28. 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.
lun. 6/210:00 amBRU - STL
1 stop16h 58mAir Canada
mar. 6/107:30 amSTL - BRU
2 stops17h 30mAir Canada
Deal found 4/28$588
This United Airlines deal was found by Cheapflights users on 4/28. 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.
lun. 6/210:00 amBRU - STL
1 stop16h 58mUnited Airlines
mar. 6/107:20 amSTL - BRU
1 stop17h 25mUnited Airlines
Deal found 4/28$616
This lastminute.com deal was found by Cheapflights users on 4/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/1310:45 amBRU - STL
1 stop14h 20mVirgin Atlantic
vie. 6/207:10 pmSTL - BRU
1 stop30h 30mVirgin Atlantic
Deal found 4/29$639
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 8/110:45 amBRU - STL
1 stop29h 19mDelta
vie. 8/227:20 amSTL - BRU
2 stops18h 20mDelta
Deal found 4/29$802
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/111:15 amBRU - STL
1 stop16h 50mLufthansa
mié. 8/1311:25 amSTL - BRU
1 stop13h 20mLufthansa
Deal found 4/29$840
This Air Canada deal was found by Cheapflights users on 4/28. 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.
lun. 6/29:40 amBRU - STL
1 stop33h 56mMultiple Airlines
lun. 6/91:30 pmSTL - BRU
2 stops14h 30mMultiple Airlines
Deal found 4/28$904

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 abril 29, 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

lun. 6/2

7:05 pm-4:22 pm

2 stops28h 17m

Lambert-St Louis

lun. 6/9

7:47 pm-7:35 pm

2 stops16h 48m

$553

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

lun. 6/2

10:00 am-7:58 pm

1 stop16h 58m

Lambert-St Louis

mar. 6/10

7:30 am-8:00 am

2 stops17h 30m

$588

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

lun. 6/2

10:00 am-7:58 pm

1 stop16h 58m

Lambert-St Louis

mar. 6/10

7:20 am-7:45 am

1 stop17h 25m

$616

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 6/13

10:45 am-6:05 pm

1 stop14h 20m

Lambert-St Louis

vie. 6/20

7:10 pm-8:40 am

1 stop30h 30m

$639

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 8/1

10:45 am-9:04 am

1 stop29h 19m

Lambert-St Louis

vie. 8/22

7:20 am-8:40 am

2 stops18h 20m

$802

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 8/1

11:15 am-9:05 pm

1 stop16h 50m

Lambert-St Louis

mié. 8/13

11:25 am-7:45 am

1 stop13h 20m

$840

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

lun. 6/2

9:40 am-12:36 pm

1 stop33h 56m

Lambert-St Louis

lun. 6/9

1:30 pm-11:00 am

2 stops14h 30m

$904

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

mar. 7/22

10:20 am-11:49 pm

2 stops20h 29m

$674

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

mar. 7/22

3:05 pm-9:29 am

2 stops25h 24m

$678

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

mar. 7/22

10:15 am-3:47 pm

1 stop12h 32m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 abril 29, 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 abril 29, 2025.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
642 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
O'Fallon

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$536Average$732FlexibilityNo cancel feeOn-time70%

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