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Cheap flights from St. Louis (STL) to Brussels from $439

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 7/30. 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
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
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 30, 2024.

Popular in

December

Cheapest in

February

Round-trip from

$588

One-way from

$439
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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From Lambert-St Louis to Brussels
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One-way flight 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 70% 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 $1,102 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

What is the cheapest time of day to fly from STL to BRU?

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from St. Louis to Brussels by exploring options for tickets in the afternoon.

Cheap American Airlines flights from St. Louis to Brussels

Explore cheap flight options specifically provided by American Airlines 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 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest American Airlines flights we've come across from St. Louis to Brussels. Deals update often to give you more flight options matching your criteria
Tue 10/82:38 pmSTL - BRU
2 stops16h 42mAmerican Airlines
Tue 10/2210:20 amBRU - STL
2 stops16h 55mAmerican Airlines
Deal found 5/29$736
Sun 8/189:06 amSTL - BRU
2 stops17h 34mAmerican Airlines
Tue 8/277:05 amBRU - STL
2 stops17h 30mAmerican Airlines
Deal found 5/29$858
Mon 8/1911:09 amSTL - BRU
2 stops17h 16mAmerican Airlines
Wed 8/287:05 amBRU - STL
2 stops19h 17mAmerican Airlines
Deal found 5/29$869
Thu 8/159:09 amSTL - BRU
2 stops17h 31mAmerican Airlines
Fri 8/2310:20 amBRU - STL
2 stops17h 39mAmerican Airlines
Deal found 5/29$905
Wed 8/149:09 amSTL - BRU
2 stops17h 31mAmerican Airlines
Sun 8/257:05 amBRU - STL
2 stops23h 18mAmerican Airlines
Deal found 5/29$908
Sat 8/179:09 amSTL - BRU
2 stops17h 31mAmerican Airlines
Sun 8/257:05 amBRU - STL
2 stops23h 18mAmerican Airlines
Deal found 5/29$958

Cheap United Airlines flights from St. Louis to Brussels

Explore cheap flight options specifically provided by United Airlines 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 2,784,634 searches. Data last updated May 30, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Brussels. Check back soon if you're not seeing flights that suit your needs.
Tue 10/88:25 amSTL - BRU
1 stop15h 50mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/28$813
Mon 9/1612:00 pmSTL - BRU
1 stop11h 20mUnited Airlines
Wed 9/2510:00 amBRU - STL
1 stop18h 05mUnited Airlines
Deal found 5/28$986
Sun 9/156:02 amSTL - BRU
2 stops18h 13mUnited Airlines
Wed 9/2510:00 amBRU - STL
1 stop18h 05mUnited Airlines
Deal found 5/28$995
Mon 9/212:00 pmSTL - BRU
1 stop11h 20mUnited Airlines
Thu 9/1210:15 amBRU - STL
1 stop18h 37mUnited Airlines
Deal found 5/28$996
Sun 9/11:15 pmSTL - BRU
1 stop11h 00mUnited Airlines
Wed 9/1110:15 amBRU - STL
1 stop18h 37mUnited Airlines
Deal found 5/28$1,000
Sat 9/145:20 pmSTL - BRU
1 stop32h 40mUnited Airlines
Thu 9/2610:00 amBRU - STL
1 stop18h 05mUnited Airlines
Deal found 5/28$1,002
Sat 9/215:20 pmSTL - BRU
1 stop32h 40mUnited Airlines
Fri 10/410:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/28$1,007
Sat 9/285:34 pmSTL - BRU
1 stop32h 26mUnited Airlines
Fri 10/1110:15 amBRU - STL
1 stop12h 05mUnited Airlines
Deal found 5/28$1,008
Thu 9/53:35 pmSTL - BRU
1 stop10h 25mUnited Airlines
Sat 9/1410:15 amBRU - STL
1 stop11h 38mUnited Airlines
Deal found 5/28$1,100

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 2,784,634 searches. Prices were last updated on May 30, 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.
Tue 6/112:56 pmSTL - BRU
2 stops16h 24mBritish Airways
Wed 7/39:10 pmBRU - STL
2 stops27h 50mBritish Airways
Deal found 5/29$1,005
Sun 6/307:47 pmSTL - BRU
2 stops16h 28mBritish Airways
Wed 7/109:10 pmBRU - STL
2 stops24h 16mBritish Airways
Deal found 5/30$1,006
Wed 6/267:47 pmSTL - BRU
2 stops31h 18mBritish Airways
Wed 7/39:10 pmBRU - STL
2 stops24h 14mBritish Airways
Deal found 5/29$1,033
Sun 6/307:47 pmSTL - BRU
2 stops16h 28mBritish Airways
Thu 7/1111:05 amBRU - STL
2 stops16h 42mBritish Airways
Deal found 5/30$1,069
Sun 6/302:56 pmSTL - BRU
2 stops21h 19mBritish Airways
Tue 7/97:45 pmBRU - STL
2 stops33h 09mBritish Airways
Deal found 5/30$1,097
Sun 6/304:00 pmSTL - BRU
2 stops15h 35mDelta
Fri 7/123:05 pmBRU - STL
2 stops15h 34mDelta
Deal found 5/30$1,179
Sun 6/309:50 amSTL - BRU
1 stop13h 30mAir Canada
Thu 7/118:35 amBRU - STL
2 stops18h 26mAir Canada
Deal found 5/30$1,186
Wed 6/2612:15 pmSTL - BRU
3 stops17h 35mMultiple Airlines
Wed 7/31:50 pmBRU - STL
3 stops28h 55mMultiple Airlines
Deal found 5/29$1,194
Sun 6/3011:05 amSTL - BRU
1 stop13h 40mUnited Airlines
Wed 7/1010:15 amBRU - STL
1 stop12h 25mUnited Airlines
Deal found 5/30$1,199

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 2,784,634 searches. Data last updated May 30, 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.
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/30$715
Tue 10/811:09 amSTL - BRU
2 stops13h 36mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/30$724
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/30$727
Tue 10/82:38 pmSTL - BRU
2 stops16h 42mAmerican Airlines
Tue 10/2210:20 amBRU - STL
2 stops16h 55mAmerican Airlines
Deal found 5/29$736
Tue 10/88:25 amSTL - BRU
1 stop15h 50mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/28$813
Tue 10/812:00 pmSTL - BRU
2 stops14h 45mAir Canada
Tue 10/2210:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/29$819
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/29$821
Wed 8/144:18 pmSTL - BRU
2 stops14h 47mMultiple Airlines
Tue 8/277:05 amBRU - STL
2 stops20h 54mMultiple Airlines
Deal found 5/29$856
Sun 8/189:06 amSTL - BRU
2 stops17h 34mAmerican Airlines
Tue 8/277:05 amBRU - STL
2 stops17h 30mAmerican Airlines
Deal found 5/29$858

St. Louis to Brussels flights leaving soon

Find last-minute flight options from St. Louis to Brussels for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to Brussels. It's wise to confirm all flight details are correct before booking.
Tue 6/112:56 pmSTL - BRU
2 stops16h 24mBritish Airways
Wed 7/39:10 pmBRU - STL
2 stops27h 50mBritish Airways
Deal found 5/29$1,005
Tue 6/113:10 pmSTL - BRU
1 stop10h 50mUnited Airlines
Wed 7/32:15 pmBRU - STL
2 stops26h 07mUnited Airlines
Deal found 5/29$1,384
Tue 6/1111:38 amSTL - BRU
1 stop14h 22mUnited Airlines
Wed 7/312:00 pmBRU - STL
1 stop28h 22mUnited Airlines
Deal found 5/29$1,390
Tue 6/113:23 pmSTL - BRU
3 stops31h 57mMultiple Airlines
Wed 7/38:40 pmBRU - STL
3 stops30h 21mMultiple Airlines
Deal found 5/29$1,456
Sat 6/111:00 amSTL - BRU
2 stops20h 15mMultiple Airlines
Wed 7/38:40 pmBRU - STL
3 stops30h 21mMultiple Airlines
Deal found 5/29$1,487
Sat 6/18:05 amSTL - BRU
3 stops23h 10mMultiple Airlines
Wed 7/38:40 pmBRU - STL
3 stops30h 21mMultiple Airlines
Deal found 5/29$1,489
Sat 6/19:51 amSTL - BRU
2 stops41h 09mBritish Airways
Wed 7/39:10 pmBRU - STL
2 stops24h 14mBritish Airways
Deal found 5/29$1,549
Sat 6/15:31 pmSTL - BRU
1 stop32h 29mUnited Airlines
Wed 7/34:55 pmBRU - STL
2 stops30h 12mUnited Airlines
Deal found 5/29$1,590
Sat 6/15:31 pmSTL - BRU
1 stop32h 29mUnited Airlines
Wed 7/310:15 amBRU - STL
1 stop12h 25mUnited Airlines
Deal found 5/29$1,693

One-way flights to Brussels from St. Louis

Search for one-way flight options from St. Louis to Brussels. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from St. Louis to Brussels can choose from these deals. Users in need of a round-trip flight from St. Louis to Brussels instead should update the search form at the top of page.
Tue 7/3011:26 amSTL - CRL
3 stops39h 09mMultiple Airlines
Deal found 5/28$439
Tue 7/307:33 pmSTL - BRU
3 stops43h 02mMultiple Airlines
Deal found 5/28$455
Tue 7/3011:30 amSTL - BRU
2 stops18h 35mMultiple Airlines
Deal found 5/28$658
Tue 7/3011:30 amSTL - BRU
1 stop11h 50mAir Canada
Deal found 5/28$903

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$736 - $1,367

Route

Depart

Return

Price

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops16h 42m

Brussels Bruxelles-National

Tue 10/22

2 stops16h 55m

$736

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop15h 50m

Brussels Bruxelles-National

Tue 10/22

2 stops31h 07m

$813

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops14h 45m

Brussels Bruxelles-National

Tue 10/22

1 stop18h 05m

$819

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 8/14

2 stops14h 47m

Brussels Bruxelles-National

Tue 8/27

2 stops20h 54m

$856

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 8/19

2 stops14h 53m

Brussels Bruxelles-National

Tue 8/27

2 stops16h 54m

$859

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Sun 9/8

2 stops13h 54m

Brussels Bruxelles-National

Wed 9/18

2 stops16h 46m

$975

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Sun 9/15

2 stops18h 35m

Brussels Bruxelles-National

Tue 9/24

2 stops16h 46m

$1,005

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Fri 8/16

1 stop11h 45m

Brussels Bruxelles-National

Sun 8/25

1 stop11h 55m

$1,295

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 8/19

1 stop11h 00m

Brussels Bruxelles-National

Mon 8/26

1 stop15h 44m

$1,367

Flights are sorted by cheapest first

Deals found on 5/29

What is the cheapest day 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 May 26, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to Brussels 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.

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 30, 2024.
Peruse reviews from past customers who have flown with American Airlines, United Airlines and Air Canada 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.
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.6
Good
720 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Brussels Airlines
7.4
Good
549 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Brussels for under $800. The cheapest flight booked recently is on American Airlines for just $736, but on average you can expect to pay $887.

  • Are there last-minute flights available from St. Louis to Brussels for under $1,100?

    There are currently 9+ open flights from St. Louis to Brussels within the next 7 days for less than $1,100.

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

    Currently priced at $736, American Airlines will fly you from St. Louis to Brussels and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $813 and $819, respectively. These flights start at 33% lower than the current average price 3 months from now.

  • 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 5/30.

  • 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 is the cheapest month to book a flight from St. Louis to Brussels?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Brussels (average of $588). Flying from St. Louis to Brussels in June is currently the most expensive (average of $1,217). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Kansas City to Bruxelles-National flights
St. Louis to Bruxelles-National flights
Springfield to Bruxelles-National flights
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 2,784,634 searches. Data last updated May 30, 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$726Average$1,122FlexibilityNo 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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