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Bruxelles-National

$432+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BRU
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$628
(Justfly.com)

One-way from

$432
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$848
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. 23% potential increase in price ($308 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 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 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 March 3, 2025.

This Justfly.com deal was found by Cheapflights users on 3/2. 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.
Mon 3/173:50 pmSTL - BRU
2 stops15h 20mAir Canada
Fri 4/49:40 amBRU - STL
2 stops36h 05mAir Canada
Deal found 3/2$628
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/53:32 pmSTL - BRU
1 stop10h 23mUnited Airlines
Tue 3/1110:00 amBRU - STL
2 stops39h 25mUnited Airlines
Deal found 3/2$668
This United deal was found by Cheapflights users on 3/2. 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.
Tue 3/115:33 pmSTL - BRU
1 stop32h 32mMultiple Airlines
Wed 4/210:00 amBRU - STL
2 stops35h 49mMultiple Airlines
Deal found 3/2$675
This Justfly.com deal was found by Cheapflights users on 3/2. 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.
Tue 3/43:10 pmSTL - BRU
2 stops15h 25mBritish Airways
Tue 3/1111:55 amBRU - STL
2 stops16h 23mBritish Airways
Deal found 3/2$747
This SmartFares deal was found by Cheapflights users on 3/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:09 pmSTL - BRU
2 stops37h 31mScandinavian Airlines
Sun 5/182:55 pmBRU - STL
2 stops39h 43mScandinavian Airlines
Deal found 3/3$795
This Lufthansa deal was found by Cheapflights users on 3/2. 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.
Sat 3/85:33 pmSTL - BRU
1 stop31h 22mLufthansa
Fri 3/1410:10 amBRU - STL
1 stop13h 01mLufthansa
Deal found 3/2$2,350

Find flights from St. Louis to Bruxelles-National within your budget

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 March 3, 2025.

Fly from

St. Louis

Fly to

Bruxelles-National

Route

Depart

Return

Price

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 3/17

3:50 pm-1:10 pm

2 stops15h 20m

Brussels Bruxelles-National

Fri 4/4

9:40 am-2:45 pm

2 stops36h 05m

$628

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Thu 3/20

8:25 am-7:55 am

2 stops17h 30m

Brussels Bruxelles-National

Thu 4/3

10:15 am-5:23 pm

1 stop14h 08m

$690

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Wed 4/23

3:30 pm-1:15 pm

2 stops14h 45m

Brussels Bruxelles-National

Mon 4/28

9:20 pm-2:49 pm

2 stops24h 29m

$785

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Wed 5/14

1:09 pm-9:40 am

2 stops37h 31m

Brussels Bruxelles-National

Sun 5/18

2:55 pm-11:38 pm

2 stops39h 43m

$795

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 6/9

6:55 pm-9:05 pm

3 stops43h 10m

$432

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 6/9

8:35 am-9:40 am

2 stops18h 05m

$732

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 6/9

1:30 pm-8:05 am

1 stop11h 35m

$782

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Fri 7/11

11:20 am-12:45 pm

2 stops18h 25m

$2,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 St. Louis-Brussels Bruxelles-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Brussels Bruxelles-National Airport flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from St. Louis to Bruxelles-National

Get recent, data-driven insights about flights from St. Louis to Bruxelles-National including ideal travel times, pricing trends, and more.

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 March 3, 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 March 3, 2025.
To help decide which airline to fly from St. Louis to Brussels, see what other customers have to say about United Airlines, Scandinavian Airlines and Air Canada. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,679 reviews
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Scandinavian Airlines
7.3
Good
1,314 reviews
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,830 reviews
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Aer Lingus
7.0
Good
1,064 reviews
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,970 reviews
United Airlines
7.4
Good
8,679 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $628 on this airline. Additional options worth looking into are United Airlines and Scandinavian Airlines, starting at $690 and $795 round-trip. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Brussels Bruxelles-National Airport one-way?

    The cheapest airlines for a one-way flight from St. Louis to Brussels Bruxelles-National Airport are Aer Lingus ($732), United Airlines ($782), and Lufthansa ($2,093).

  • 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?

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Charleroi
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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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$1,049FlexibilityNo cancel feeOn-time69%
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