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Bruxelles-National

$469+ Cheap flights from St. Louis (STL) to Bruxelles-National (BRU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BRU
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from St. Louis to Bruxelles-National

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bruxelles-National (BRU). 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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$695
(Gotogate)

One-way from

$469
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,094
Provider with most accurate pricing for Lambert-St Louis-Brussels Bruxelles-National flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Brussels Bruxelles-National flights.
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From Lambert-St Louis to Brussels Bruxelles-National
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One-way flight from Lambert-St Louis to Brussels Bruxelles-National
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Highest demand for flights based on searches. 19% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from St. Louis to Bruxelles-National

Cheapest flights from St. Louis to Bruxelles-National
Explore the most affordable flight options available from St. Louis to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Justfly.com deal was found by Cheapflights users on 4/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:30 pmSTL - BRU
1 stop11h 30mAir Canada
Thu 8/2110:00 amBRU - STL
2 stops33h 25mAir Canada
Deal found 4/22$667
This United deal was found by Cheapflights users on 4/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:30 pmSTL - BRU
1 stop11h 30mMultiple Airlines
Thu 8/2110:00 amBRU - STL
1 stop17h 00mMultiple Airlines
Deal found 4/22$679
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:19 pmSTL - BRU
2 stops17h 16mBritish Airways
Mon 5/269:15 pmBRU - STL
2 stops26h 07mBritish Airways
Deal found 4/21$773
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/125:29 pmSTL - BRU
1 stop32h 31mUnited Airlines
Mon 5/269:40 amBRU - STL
1 stop33h 56mUnited Airlines
Deal found 4/21$788
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/97:00 amSTL - BRU
2 stops18h 40mDelta
Fri 3/68:05 amBRU - STL
2 stops19h 34mDelta
Deal found 4/21$942
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:17 amSTL - BRU
2 stops16h 23mAer Lingus
Wed 5/710:20 amBRU - STL
2 stops18h 32mAer Lingus
Deal found 4/22$1,148
This KLM deal was found by Cheapflights users on 4/21. 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 10/205:30 pmSTL - BRU
2 stops14h 05mKLM
Sat 10/253:05 pmBRU - STL
2 stops15h 34mKLM
Deal found 4/21$1,832
This KAYAK deal was found by Cheapflights users on 4/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:31 amSTL - BRU
2 stops27h 09mAmerican Airlines
Thu 5/152:50 pmBRU - STL
2 stops34h 17mAmerican Airlines
Deal found 4/20$4,271

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Bruxelles-National 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 April 22, 2025.
Use the filters below to find and compare flights from St. Louis to Brussels Bruxelles-National Airport that are best for you.

Fly from

St. Louis

Fly to

Bruxelles-National

Route

Depart

Return

Price

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Sun 5/11

1:30 pm-8:05 am

1 stop11h 35m

Brussels Bruxelles-National

Tue 5/20

10:00 am-7:58 pm

1 stop16h 58m

$695

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 5/12

1:30 pm-8:05 am

1 stop11h 35m

Brussels Bruxelles-National

Mon 5/26

4:25 pm-3:30 pm

2 stops30h 05m

$772

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 5/12

7:19 pm-7:35 pm

2 stops17h 16m

Brussels Bruxelles-National

Mon 5/26

9:15 pm-4:22 pm

2 stops26h 07m

$773

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 5/12

5:29 pm-9:00 am

1 stop32h 31m

Brussels Bruxelles-National

Mon 5/26

9:40 am-12:36 pm

1 stop33h 56m

$788

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 6/9

7:00 am-8:40 am

2 stops18h 40m

Brussels Bruxelles-National

Fri 3/6

8:05 am-8:39 pm

2 stops19h 34m

$942

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Thu 5/1

10:17 am-9:40 am

2 stops16h 23m

Brussels Bruxelles-National

Wed 5/7

10:20 am-9:52 pm

2 stops18h 32m

$1,148

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Tue 5/13

10:31 am-8:40 pm

2 stops27h 09m

Brussels Bruxelles-National

Thu 5/15

2:50 pm-6:07 pm

2 stops34h 17m

$4,271

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Sat 5/17

5:45 pm-9:25 am

3 stops56h 40m

$469

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Sat 5/17

5:29 pm-9:00 am

1 stop32h 31m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

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

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 St. Louis to Bruxelles-National in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 St. Louis-Brussels Bruxelles-National Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Brussels Bruxelles-National Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Brussels Bruxelles-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Brussels Bruxelles-National Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 St. Louis-Brussels Bruxelles-National Airport 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 St. Louis to Bruxelles-National

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

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Brussels Bruxelles-National Airport (average of $614). Flying from St. Louis to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $1,146). 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 STL to BRU?

Find hourly flight availability from St. Louis to Bruxelles-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from St. Louis to Brussels Bruxelles-National Airport by exploring options for tickets in the afternoon.

Rainfall in Bruxelles-National by month

Plan your trip to Bruxelles-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels Bruxelles-National Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels Bruxelles-National Airport when rainfall is around 1.6 in.

Temperature in Bruxelles-National by month

Plan your trip to Bruxelles-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels Bruxelles-National Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Bruxelles-National

Get insights into the airlines that provide service to Bruxelles-National. 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 Bruxelles-National. Reviews last updated April 22, 2025.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,180 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,067 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Bruxelles-National. 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 from for flights from St. Louis to Brussels Bruxelles-National?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Brussels Bruxelles-National. 1 airline have flights from Lambert-St Louis to Brussels Bruxelles-National on a regular basis. Booking flights from Lambert-St Louis to Brussels Bruxelles-National should not be difficult; the airport handles an average of 0 outbound flights to Brussels Bruxelles-National per day.

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

    Our cheapest airline available from St. Louis to Brussels Bruxelles-National Airport is Air Canada. Our recent data shows that you can find tickets from as low as $695 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $773 and $788 round-trip. These flights start at 32% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Bruxelles-National 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 St. Louis to Brussels Bruxelles-National Airport?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Brussels Bruxelles-National Airport (average of $614). Flying from St. Louis to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $1,146). 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
Charleroi
Mons
Mechelen
Zaventem
Spa

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Alternative routes for St. Louis to Bruxelles-National

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Bruxelles-National flights
St. Louis to Charleroi Brussels flights
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Top airline flying from St. Louis to Bruxelles-National

Discover the top airline that operate flights from St. Louis to Bruxelles-National. 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$1,051FlexibilityNo cancel feeOn-time69%

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