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Cheap flights from St. Louis (STL) to Brussels from $794

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 10/8. 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 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
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 28, 2024.

Popular in

December

Cheapest in

February

Average price

$1,199

Round-trip from

$588
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 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

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 25% on flights from St. Louis to Brussels by exploring options for tickets in the afternoon.

Cheap Delta flights from St. Louis to Brussels

Explore cheap flight options specifically provided by Delta 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 2,696,634 searches. Data last updated May 28, 2024.
Check out some of the cheapest Delta flights we've come across from St. Louis to Brussels. Deals update often to give you more flight options matching your criteria
Mon 10/711:51 amSTL - BRU
2 stops13h 54mDelta
Tue 10/2210:45 amBRU - STL
2 stops16h 46mDelta
Deal found 5/27$825
Sun 7/217:10 pmSTL - BRU
1 stop30h 35mDelta
Tue 7/3010:25 amBRU - STL
2 stops17h 35mDelta
Deal found 5/28$1,071
Sun 7/216:11 pmSTL - BRU
2 stops13h 24mDelta
Tue 7/3010:25 amBRU - STL
2 stops17h 35mDelta
Deal found 5/28$1,101

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 2,696,634 searches. Data last updated May 28, 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 10/812:00 pmSTL - BRU
1 stop11h 20mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/28$794
Tue 10/811:09 amSTL - BRU
1 stop14h 51mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/27$798
Tue 10/811:09 amSTL - BRU
2 stops13h 06mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/28$803
Wed 10/910:00 amSTL - BRU
1 stop16h 00mUnited Airlines
Thu 10/2410:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/27$820
Mon 10/73:35 pmSTL - BRU
1 stop10h 25mUnited Airlines
Sat 10/1910:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/27$870
Thu 10/103:35 pmSTL - BRU
1 stop10h 25mUnited Airlines
Sat 10/1910:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/27$920
Sat 10/54:05 pmSTL - BRU
1 stop32h 40mUnited Airlines
Fri 10/2510:15 amBRU - STL
1 stop12h 05mUnited Airlines
Deal found 5/27$967
Sat 10/54:05 pmSTL - BRU
1 stop32h 40mUnited Airlines
Mon 10/2110:15 amBRU - STL
1 stop12h 05mUnited Airlines
Deal found 5/27$1,017
Sun 10/63:35 pmSTL - BRU
1 stop10h 25mUnited Airlines
Sat 10/1910:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/27$1,020

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 2,696,634 searches. Prices were last updated on May 28, 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 6/179:44 amSTL - BRU
2 stops21h 31mBritish Airways
Mon 6/248:00 pmBRU - STL
2 stops29h 43mBritish Airways
Deal found 5/27$1,165
Mon 6/1712:15 pmSTL - BRU
3 stops17h 35mMultiple Airlines
Mon 6/241:50 pmBRU - STL
3 stops28h 55mMultiple Airlines
Deal found 5/27$1,225
Mon 6/176:08 amSTL - BRU
1 stop18h 37mMultiple Airlines
Mon 6/249:30 amBRU - STL
1 stop17h 31mMultiple Airlines
Deal found 5/27$1,325
Mon 6/176:30 amSTL - BRU
2 stops16h 50mMultiple Airlines
Mon 6/2411:45 amBRU - STL
3 stops33h 38mMultiple Airlines
Deal found 5/27$1,750
Sun 6/911:38 amSTL - BRU
1 stop14h 22mLufthansa
Thu 6/137:10 pmBRU - STL
2 stops27h 31mLufthansa
Deal found 5/28$8,557
Sun 6/96:30 amSTL - BRU
2 stops16h 50mAir Canada
Thu 6/1310:00 amBRU - STL
2 stops33h 13mAir Canada
Deal found 5/28$8,738
Sun 6/911:00 amSTL - BRU
1 stop12h 20mAir Canada
Thu 6/1310:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/28$8,745

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 2,696,634 searches. Data last updated May 28, 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 5/28$794
Tue 10/811:09 amSTL - BRU
1 stop14h 51mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/27$798
Tue 10/811:09 amSTL - BRU
2 stops13h 06mUnited Airlines
Tue 10/2210:00 amBRU - STL
2 stops31h 07mUnited Airlines
Deal found 5/28$803
Tue 10/812:00 pmSTL - BRU
2 stops14h 45mMultiple Airlines
Fri 10/2510:00 amBRU - STL
1 stop18h 05mMultiple Airlines
Deal found 5/27$804
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Fri 10/2510:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/27$806
Mon 10/74:05 pmSTL - BRU
2 stops14h 05mAir Canada
Wed 10/2310:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 5/27$810
Mon 10/710:10 amSTL - BRU
2 stops16h 35mAir Canada
Tue 10/2210:00 amBRU - STL
2 stops17h 00mAir Canada
Deal found 5/27$816
Wed 10/910:00 amSTL - BRU
1 stop16h 00mUnited Airlines
Thu 10/2410:15 amBRU - STL
1 stop11h 33mUnited Airlines
Deal found 5/27$820
Mon 10/711:51 amSTL - BRU
2 stops13h 54mDelta
Tue 10/2210:45 amBRU - STL
2 stops16h 46mDelta
Deal found 5/27$825

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$794 - $1,115

Route

Depart

Return

Price

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop11h 20m

Brussels Bruxelles-National

Tue 10/22

2 stops31h 07m

$794

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop14h 51m

Brussels Bruxelles-National

Tue 10/22

2 stops31h 07m

$798

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops14h 45m

Brussels Bruxelles-National

Fri 10/25

1 stop18h 05m

$804

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop11h 20m

Brussels Bruxelles-National

Fri 10/25

1 stop18h 05m

$806

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 10/7

2 stops14h 05m

Brussels Bruxelles-National

Wed 10/23

1 stop18h 05m

$810

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 10/7

2 stops13h 54m

Brussels Bruxelles-National

Tue 10/22

2 stops16h 46m

$825

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 10/9

2 stops18h 27m

Brussels Bruxelles-National

Wed 10/23

2 stops16h 55m

$830

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 10/7

2 stops14h 55m

Brussels Bruxelles-National

Thu 10/24

2 stops16h 02m

$838

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Wed 10/9

1 stop11h 45m

Brussels Bruxelles-National

Sat 10/19

2 stops14h 24m

$1,115

Flights are sorted by cheapest first

Deals found on 5/28

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 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.
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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 28, 2024.
Peruse reviews from past customers who have flown with Delta, 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
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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.

Air Canada
7.0
Good
6,988 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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.

Lufthansa
7.0
Good
7,594 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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 United Airlines for just $794, but on average you can expect to pay $835.

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

    Currently priced at $794, United Airlines will fly you from St. Louis to Brussels and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $806 and $825, respectively. These flights start at 27% 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 5/28.

  • 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.

  • When is the best time 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.

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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 2,696,634 searches. Data last updated May 28, 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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