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Cheap flights from St. Louis (STL) to Brussels from $581

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BRU
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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Cheap flight deals from St. Louis to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Brussels (BR1). 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 May 5, 2024.

Popular in

December

Cheapest in

February

Average price

$1,199

Round-trip from

$590
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 31% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Brussels
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What is the cheapest day to fly round-trip from St. Louis to Brussels?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 81% when planning your travel around this day of the week.

What is the cheapest month to fly from St. Louis to Brussels?

February is one of the best times of the year to fly to Brussels from St. Louis. Prices for February average $1,095 per person but you can even find prices for as low as $760. The most expensive prices can be found in the month of December. Opting for a February flight can save you 49% on your journey compared to booking in December

When is the cheapest time to fly from St. Louis to Brussels (STL - BRU)?

Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from St. Louis to Brussels by exploring options for tickets in the afternoon.

Cheap British Airways flights from St. Louis to Brussels

Explore cheap flight options specifically provided by British Airways for the route between St. Louis and Brussels. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Check out some of the cheapest British Airways flights we've come across from St. Louis to Brussels. Deals update often to give you more flight options matching your criteria
Wed 10/236:26 pmSTL - BRU
2 stops12h 39mBritish Airways
Thu 10/315:30 pmBRU - STL
2 stops35h 06mBritish Airways
Deal found 5/4$791
Wed 7/176:04 amSTL - BRU
2 stops25h 01mBritish Airways
Wed 7/249:10 pmBRU - STL
2 stops27h 09mBritish Airways
Deal found 5/3$1,054

Cheap Air Canada flights from St. Louis to Brussels

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Brussels. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Take a gander at the lowest prices we've found on Air Canada flights from St. Louis to Brussels. Check back soon if you're not seeing flights that suit your needs.
Wed 8/2112:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 8/2810:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/5$825
Wed 8/2112:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 8/2810:00 amBRU - STL
2 stops17h 01mAir Canada
Deal found 5/5$831
Wed 8/2112:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 8/2810:00 amBRU - STL
2 stops31h 07mAir Canada
Deal found 5/4$835
Wed 8/2112:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 8/2810:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/4$847
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/4$955
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
2 stops36h 20mAir Canada
Deal found 5/5$961
Wed 7/1712:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 7/247:00 amBRU - STL
2 stops15h 21mAir Canada
Deal found 5/3$1,024
Wed 7/1712:00 pmSTL - BRU
1 stop11h 20mAir Canada
Wed 7/249:30 amBRU - STL
1 stop12h 51mAir Canada
Deal found 5/3$1,128
Fri 5/244:05 pmSTL - BRU
2 stops33h 45mAir Canada
Wed 5/2910:00 amBRU - STL
2 stops31h 08mAir Canada
Deal found 5/4$1,427

Cheap St. Louis to Brussels flights in May & June 2024

Find cheap flight options from St. Louis to Brussels specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Brussels in 2024. For more flight deals, be sure to check back very soon.
Sun 6/309:50 amSTL - BRU
1 stop13h 30mMultiple Airlines
Sun 7/78:40 pmBRU - STL
2 stops25h 41mMultiple Airlines
Deal found 5/5$1,254
Fri 6/147:15 amSTL - BRU
2 stops18h 30mDelta
Sat 6/2210:45 amBRU - STL
2 stops29h 30mDelta
Deal found 5/5$1,284
Fri 6/145:31 pmSTL - BRU
1 stop32h 29mUnited Airlines
Sat 6/2210:15 amBRU - STL
1 stop12h 26mUnited Airlines
Deal found 5/5$1,286
Fri 6/1412:02 pmSTL - BRU
1 stop17h 13mMultiple Airlines
Sat 6/229:20 pmBRU - STL
2 stops50h 54mMultiple Airlines
Deal found 5/5$1,289
Fri 6/2811:00 amSTL - BRU
1 stop13h 45mMultiple Airlines
Sat 7/138:40 pmBRU - STL
2 stops25h 41mMultiple Airlines
Deal found 5/5$1,334
Sun 6/305:45 pmSTL - BRU
3 stops34h 45mMultiple Airlines
Sun 7/77:50 amBRU - STL
3 stops35h 15mMultiple Airlines
Deal found 5/5$1,407
Fri 6/286:30 amSTL - BRU
1 stop19h 30mMultiple Airlines
Sat 7/139:30 amBRU - STL
1 stop12h 51mMultiple Airlines
Deal found 5/5$1,428
Sun 6/309:50 amSTL - BRU
1 stop13h 30mMultiple Airlines
Sun 7/710:15 amBRU - STL
1 stop12h 25mMultiple Airlines
Deal found 5/5$1,529
Fri 6/143:55 pmSTL - BRU
3 stops35h 30mMultiple Airlines
Sat 6/2212:30 pmBRU - STL
3 stops35h 02mMultiple Airlines
Deal found 5/5$1,541

St. Louis to Brussels 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Brussels in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Brussels in 2024. For more flight deals, be sure to check back very soon.
Mon 10/710:00 amSTL - BRU
2 stops25h 30mMultiple Airlines
Wed 10/2310:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$581
Sun 10/66:00 amSTL - BRU
2 stops29h 30mMultiple Airlines
Thu 10/2410:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$611
Thu 10/106:00 amSTL - BRU
2 stops30h 50mMultiple Airlines
Wed 10/2310:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$631
Sat 10/511:51 amSTL - BRU
2 stops19h 24mMultiple Airlines
Thu 10/2410:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$661
Wed 10/305:30 amSTL - BRU
2 stops20h 25mUnited Airlines
Wed 11/1311:55 amBRU - STL
1 stop13h 38mUnited Airlines
Deal found 5/5$710
Mon 10/710:00 amSTL - BRU
2 stops25h 30mMultiple Airlines
Fri 10/2510:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$724
Sun 10/66:00 amSTL - BRU
2 stops26h 20mMultiple Airlines
Fri 10/2510:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$754
Mon 10/710:00 amSTL - BRU
2 stops25h 30mMultiple Airlines
Sat 10/1910:30 amBRU - STL
2 stops20h 05mMultiple Airlines
Deal found 5/5$774
Wed 8/212:05 pmSTL - BRU
2 stops22h 45mMultiple Airlines
Wed 8/2810:30 amBRU - STL
2 stops20h 09mMultiple Airlines
Deal found 5/5$789

Find flights from St. Louis to Brussels within your budget

Customize your flight search to find flights from St. Louis to Brussels 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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$581 - $948

Route

Depart

Return

Price

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops28h 20m

Brussels Bruxelles-National

Tue 10/22

2 stops20h 05m

$581

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/21

2 stops22h 45m

Brussels Bruxelles-National

Wed 8/28

2 stops20h 09m

$789

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 10/23

2 stops12h 39m

Brussels Bruxelles-National

Thu 10/31

2 stops35h 06m

$791

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/21

1 stop11h 20m

Brussels Bruxelles-National

Wed 8/28

1 stop18h 05m

$825

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/21

1 stop11h 20m

Brussels Bruxelles-National

Wed 8/28

2 stops17h 01m

$831

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/21

1 stop11h 20m

Brussels Bruxelles-National

Wed 8/28

2 stops31h 07m

$835

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/21

1 stop11h 20m

Brussels Bruxelles-National

Wed 8/28

1 stop18h 05m

$847

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 10/23

2 stops17h 18m

Brussels Bruxelles-National

Thu 10/31

1 stop25h 40m

$865

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop10h 25m

Brussels Bruxelles-National

Tue 10/22

2 stops31h 07m

$948

Flights are sorted by cheapest first

Deals found on 5/4

When is the cheapest time to fly from St. Louis to Brussels?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Brussels. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Brussels flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Brussels by month

Plan your trip from St. Louis to Brussels by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Brussels is currently $0 while a round-trip flight costs $812. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from St. Louis to Brussels (average of $590). Flying from St. Louis to Brussels in June is currently the most expensive (average of $1,331). 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.

January

$624

February

$639

March

$809

April

$765

May

$836

June

$1,331

July

$1,175

August

$891

September

$863

October

$723

November

$590

December

$619

Temperature and rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average temperature and rainfall totals by month.

BRU

Temperature

37.4 - 62.6 °F

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated May 5, 2024.
Peruse reviews from past customers who have flown with British Airways, Air Canada and United Airlines from St. Louis to Brussels to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

United Airlines
7.4
Good
11,118 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Air Canada
7.0
Good
6,913 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Lufthansa
7.0
Good
7,719 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

British Airways
6.8
Okay
6,874 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Brussels. 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?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Brussels. On average, Lambert-St Louis has 0 outbound flights to Brussels per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Brussels for under $600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Brussels for under $600. The cheapest flight booked recently is on Multiple Airlines for just $581, but on average you can expect to pay $981.

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

    Currently priced at $791, British Airways will fly you from St. Louis to Brussels and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $825 and $948, respectively. These flights start at 27% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly from St. Louis to Brussels?

    Consider Air Canada, British Airways or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Brussels.

  • What does STL to BRU mean?

    Lambert-St Louis Airport is STL and Brussels Bruxelles-National Airport is BRU. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Charleroi Brussels Airport (CRL), Antwerp Deurne Airport (ANR), Ostende-Bruges Airport (OST), Liège Bierset Airport (LGG).

  • Can I find deals for flights from St. Louis to Brussels that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Brussels flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Brussels with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Brussels flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Brussels that allow pets onboard?

    Many airlines flying from St. Louis to Brussels offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Brussels?

    Yes, you can often find last-minute deals on St. Louis to Brussels flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Brussels flight deals updated?

    The St. Louis to Brussels flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for St. Louis to Brussels
See prices for flight routes from nearby airports that may be better suited for you.

Springfield to Bruxelles-National flights
St. Louis to Bruxelles-National flights
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St. Louis to Charleroi Brussels flights

Top 4 airlines flying from St. Louis to Brussels

Discover the top 4 airlines that operate flights from St. Louis to Brussels. 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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$604Average$738FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$696Average$1,731FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$727Average$1,117FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$856Average$1,162FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from St. Louis to Brussels by cabin class

Find flights from St. Louis to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Brussels?

Cheapflights makes it easy to find St. Louis to Brussels flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Brussels?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Brussels from St. Louis.

Can Cheapflights find flights from St. Louis to Brussels with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Brussels flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Brussels become cheaper?

Yes! Start tracking prices for St. Louis to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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