Cheap flights from St. Louis (STL) to Brussels from $700

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 7 — Jun 141

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 June 2, 2024.

Popular in

December

Cheapest in

February

Average price

$1,505

Round-trip from

$588
High demand for flights, 33% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in June 2024
From Lambert-St Louis to Brussels

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 $1,107 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 48% 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 24% 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 2,807,690 searches. Data last updated June 2, 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
Sun 7/286:09 pmSTL - BRU
2 stops18h 06mBritish Airways
Wed 8/79:10 pmBRU - STL
2 stops23h 33mBritish Airways
Deal found 5/31$945
Sat 8/311:19 amSTL - BRU
2 stops15h 41mBritish Airways
Tue 8/1311:05 amBRU - STL
2 stops18h 12mBritish Airways
Deal found 5/31$984
Sat 7/276:09 pmSTL - BRU
2 stops18h 11mBritish Airways
Tue 8/63:05 pmBRU - STL
2 stops29h 38mBritish Airways
Deal found 5/31$995
Sun 6/2312:56 pmSTL - BRU
2 stops23h 19mBritish Airways
Mon 7/18:00 pmBRU - STL
2 stops33h 02mBritish Airways
Deal found 6/2$1,033
Thu 8/16:09 pmSTL - BRU
2 stops17h 41mBritish Airways
Sun 8/118:05 pmBRU - STL
2 stops30h 42mBritish Airways
Deal found 5/31$1,096
Fri 7/261:46 pmSTL - BRU
2 stops13h 19mBritish Airways
Mon 8/58:00 pmBRU - STL
2 stops30h 47mBritish Airways
Deal found 5/31$1,108
Wed 7/311:46 pmSTL - BRU
2 stops17h 19mBritish Airways
Sat 8/1010:55 amBRU - STL
2 stops15h 52mBritish Airways
Deal found 5/31$1,109

Cheap Lufthansa flights from St. Louis to Brussels

Explore cheap flight options specifically provided by Lufthansa 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 2,807,690 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on Lufthansa flights from St. Louis to Brussels. Check back soon if you're not seeing flights that suit your needs.
Mon 7/295:30 pmSTL - BRU
2 stops16h 55mLufthansa
Thu 8/82:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$961
Sat 7/275:30 pmSTL - BRU
2 stops15h 20mLufthansa
Tue 8/62:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$1,004
Sat 8/311:00 amSTL - BRU
2 stops16h 10mLufthansa
Tue 8/132:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$1,039
Mon 7/2911:05 amSTL - BRU
1 stop13h 40mLufthansa
Thu 8/82:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$1,113
Sat 7/275:30 pmSTL - BRU
1 stop32h 30mLufthansa
Tue 8/62:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$1,120
Wed 7/315:30 pmSTL - BRU
2 stops21h 40mLufthansa
Sat 8/1011:15 amBRU - STL
1 stop18h 30mLufthansa
Deal found 5/31$1,161
Wed 7/3111:25 amSTL - BRU
1 stop14h 35mLufthansa
Sat 8/1011:15 amBRU - STL
1 stop18h 30mLufthansa
Deal found 5/31$1,162
Fri 8/23:25 pmSTL - BRU
1 stop11h 45mLufthansa
Mon 8/122:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$1,183
Sun 6/235:31 pmSTL - BRU
1 stop32h 29mLufthansa
Mon 7/12:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 6/2$1,226

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

Find cheap flight options from St. Louis to Brussels specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 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 6/235:31 pmSTL - BRU
1 stop32h 29mUnited Airlines
Mon 7/110:15 amBRU - STL
2 stops31h 10mUnited Airlines
Deal found 6/2$1,027
Sun 6/2312:56 pmSTL - BRU
2 stops23h 19mBritish Airways
Mon 7/18:00 pmBRU - STL
2 stops33h 02mBritish Airways
Deal found 6/2$1,033
Wed 6/1910:30 amSTL - BRU
1 stop15h 15mDelta
Sun 6/2310:45 amBRU - STL
1 stop14h 26mDelta
Deal found 6/2$1,038
Wed 6/197:15 amSTL - BRU
2 stops18h 30mDelta
Sun 6/2310:45 amBRU - STL
1 stop17h 09mDelta
Deal found 6/2$1,042
Sun 6/235:31 pmSTL - BRU
1 stop32h 29mLufthansa
Mon 7/12:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 6/2$1,226
Sun 6/2312:15 pmSTL - BRU
3 stops19h 50mMultiple Airlines
Mon 7/18:20 pmBRU - STL
3 stops32h 17mMultiple Airlines
Deal found 6/2$1,339
Sun 6/2312:15 pmSTL - BRU
3 stops19h 50mMultiple Airlines
Mon 7/17:50 amBRU - STL
2 stops19h 11mMultiple Airlines
Deal found 6/2$1,528

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 2,807,690 searches. Data last updated June 2, 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 6/2$700
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
1 stop18h 05mAir Canada
Deal found 6/1$712
Tue 10/812:00 pmSTL - BRU
1 stop11h 20mAir Canada
Tue 10/2210:00 amBRU - STL
2 stops17h 00mAir Canada
Deal found 6/1$717
Tue 10/86:02 amSTL - BRU
2 stops17h 18mMultiple Airlines
Tue 10/2210:00 amBRU - STL
2 stops17h 00mMultiple Airlines
Deal found 6/2$722
Tue 10/84:05 pmSTL - BRU
2 stops31h 15mAir Canada
Tue 10/2210:00 amBRU - STL
2 stops31h 07mAir Canada
Deal found 6/1$727
Sun 7/286:09 pmSTL - BRU
2 stops18h 06mBritish Airways
Wed 8/79:10 pmBRU - STL
2 stops23h 33mBritish Airways
Deal found 5/31$945
Mon 7/295:30 pmSTL - BRU
2 stops16h 55mLufthansa
Thu 8/82:15 pmBRU - STL
1 stop15h 22mLufthansa
Deal found 5/31$961
Sat 8/311:19 amSTL - BRU
2 stops15h 41mBritish Airways
Tue 8/1311:05 amBRU - STL
2 stops18h 12mBritish Airways
Deal found 5/31$984
Sat 7/276:09 pmSTL - BRU
2 stops18h 11mBritish Airways
Tue 8/63:05 pmBRU - STL
2 stops29h 38mBritish Airways
Deal found 5/31$995

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 2,807,690 searches. Data last updated June 2, 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.
Sat 7/205:30 pmSTL - BRU
1 stop32h 30mUnited Airlines
Deal found 6/2$777
Sat 7/205:46 pmSTL - BRU
2 stops32h 54mAmerican Airlines
Deal found 6/2$782
Sat 7/207:50 pmSTL - BRU
3 stops35h 00mMultiple Airlines
Deal found 6/2$1,317

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$700 - $998

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

$700

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop11h 20m

Brussels Bruxelles-National

Tue 10/22

1 stop18h 05m

$712

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

1 stop11h 20m

Brussels Bruxelles-National

Tue 10/22

2 stops17h 00m

$717

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops17h 18m

Brussels Bruxelles-National

Tue 10/22

2 stops17h 00m

$722

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/8

2 stops31h 15m

Brussels Bruxelles-National

Tue 10/22

2 stops31h 07m

$727

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Sun 7/28

2 stops18h 06m

Brussels Bruxelles-National

Wed 8/7

2 stops23h 33m

$945

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Mon 7/29

2 stops16h 55m

Brussels Bruxelles-National

Thu 8/8

1 stop15h 22m

$961

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Sat 8/3

2 stops15h 41m

Brussels Bruxelles-National

Tue 8/13

2 stops18h 12m

$984

Lambert-St LouisBrussels Bruxelles-National

STL - BRU

STLBRU

Lambert-St Louis

Fri 7/26

2 stops21h 31m

Brussels Bruxelles-National

Fri 8/2

2 stops16h 51m

$998

Flights are sorted by cheapest first

Deals found on 6/2

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 June 2, 2024.
Peruse reviews from past customers who have flown with British Airways, Lufthansa and Delta 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.
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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.

8.0
Very good
10,402 reviews
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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.

7.4
Good
10,755 reviews
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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.

7.3
Good
14,260 reviews
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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.

7.0
Good
7,021 reviews
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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.

7.0
Good
7,557 reviews
8.0
Very good
10,402 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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 $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Brussels for under $700. The cheapest flight booked recently is on United Airlines for just $700, but on average you can expect to pay $949.

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

    Currently priced at $700, 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 British Airways - these airlines can fly you to your destination from $712 and $945, respectively. These flights start at 36% 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 6/2.

  • What are the most popular airlines that fly 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.

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 2,807,690 searches. Data last updated June 2, 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

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.

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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