Are direct flights from Brussels to St. Louis always the best option?

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with layovers can sometimes be significantly cheaper, though they will extend your travel duration. Consider your priorities for cost versus travel time when deciding.

Can flexible travel dates help on Brussels to St. Louis flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a few days may result in considerable savings.

What extra costs should I check before booking Brussels to St. Louis flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Brussels

To St. Louis

Cheap Flights from Brussels to St. Louis

Browse current best options from Brussels. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Brussels

RatePunk searches hundreds of travel sites at once for deals on flights to St. Louis

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Brussels to St. Louis

Explore current cheapest deals departing from Brussels to St. Louis

2027-04-12 – 2027-04-23
BRU - St. Louis
90% AI deal score
917 €
699 €
Round trip
2027-04-10 – 2027-04-18
BRU - St. Louis
90% AI deal score
895 €
699 €
Round trip
2027-04-12 – 2027-04-18
BRU - St. Louis
90% AI deal score
908 €
699 €
Round trip
2026-12-14 – 2026-12-30
BRU - St. Louis
88% AI deal score
1,048 €
720 €
Round trip
2026-11-13 – 2026-11-17
BRU - St. Louis
90% AI deal score
954 €
722 €
Round trip
2026-11-21 – 2026-11-30
BRU - St. Louis
82% AI deal score
860 €
728 €
Round trip
2027-02-11 – 2027-02-19
BRU - St. Louis
80% AI deal score
818 €
733 €
Round trip
2026-11-23 – 2026-11-29
BRU - St. Louis
84% AI deal score
889 €
734 €
Round trip
2026-12-21 – 2026-12-27
BRU - St. Louis
91% AI deal score
1,115 €
753 €
Round trip
2027-01-07 – 2027-01-25
BRU - St. Louis
75% AI deal score
772 €
774 €
Round trip

Brussels to St. Louis: Overview

Insights for flights from Brussels to St. Louis

The journey from Brussels to St. Louis covers a significant distance of 7076 kilometers, classifying it as a long-haul route. This means you should expect a substantial travel time, often involving multiple connections to reach your destination.

When looking for cheap flights from Brussels to St. Louis, fares typically range from $929 to $1337, with a median price of $1196. Right now, current fares are significantly below the typical level. Approximately 27% of recent fares on this route have been classified as a good price, indicating that competitive deals do appear, though not consistently.

If you are wondering when is the cheapest time to fly from Brussels to St. Louis, the data indicates that November and September are typically the most affordable months, both with median fares around $934. June also presents a good option, with median fares at approximately $943. Planning your trip during these months could lead to more favorable pricing.

For flights from Brussels to St. Louis, most itineraries connect at least once, as 0% of recent fares were for non-stop flights. The typical number of connections for these routes is 2. This means you should anticipate layovers as part of your travel plan.

A typical journey from Brussels to St. Louis takes approximately 31h 16m, including connections. Given that most itineraries involve at least two stopovers, this extended travel time reflects the need to transfer between flights to reach your final destination.

How much is a round trip from Brussels to St. Louis

Regular price: €801 - €1,234

Prices for flights from Brussels to St. Louis are currently below the regular range.

Regular prices for this route typically range from 801 EUR to 1234 EUR. The current lowest deal is 699 EUR with British Airways, for travel from Apr 12 to Apr 23.

now 699 €

Low 801 €

High 1,234 €

The cheapest time to fly from Brussels to St. Louis

The cheapest month to fly from Brussels to St. Louis is January, with a median price of $823. The most expensive month is November, with a median price of $1096. Prices are generally lower from January to December.

January

Cheapest

Flights from 823 €

November

Most Expensive

Flights from 1,096 €

Jan

Feb

Mar

Oct

Nov

Dec

Direct flights from Brussels to St. Louis

Frontier Airlines

United Airlines

TAP Portugal

easyJet UK

Last-minute flights going from Brussels to St. Louis

Wed, Oct 28

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

KLM, Frontier Airlines

1,030 €

3,737 €

One-way

Fri, Oct 30

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

KLM, Frontier Airlines

1,034 €

2,785 €

One-way

Mon, Nov 2

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Brussels Airlines

971 €

865 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

1,034 €

1,167 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

895 €

1,169 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

872 €

1,169 €

One-way

Biggest price drops on these dates for flights from Brussels to St. Louis

7 nights

Dec 16 - Dec 23

1,107 € → 748 €

32%

7 nights

Dec 17 - Dec 24

1,107 € → 753 €

32%

4 nights

Dec 3 - Dec 7

1,177 € → 858 €

27%

6 nights

Dec 1 - Dec 7

1,123 € → 836 €

26%

Popular Airports to fly from Brussels to St. Louis

Brussels - St. Louis route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Brussels to St. Louis are below the typical level at $699.

📅 Best time to fly

Fly in November for the best prices

Historically, November, September, and June offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights take 31h 16m

Flights from Brussels to St. Louis typically involve 2 stopovers, with a median duration of 31h 16m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are the only option for this route, with no direct flights available historically.

🏆 Airline highlight

British Airways offers a deal at $699

A recent deal for Brussels to St. Louis was found on British Airways via Skyscanner for $699.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Brussels to St. Louis are historically rare, so book when you see a good price.

Brussels main airports to depart from

Brussels (BRU)

Cheapest

Brussels Airport offers convenient flights from Brussels to St. Louis, with competitive pricing.

📍 ~11 km from Brussels city center (reachable by car or train)

💸 Flights from ~€724

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient arrival airport for your trip to St. Louis.

📍 ~20 km from St. Louis (reachable by car)

💸 Flights from ~€701

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis is a useful alternative, especially for travelers on the Illinois side of the metro area.

📍 ~50 km from St. Louis (reachable by car)

💸 Flights from ~€869

Business & First Class Flight Deals to St. Louis

Discover luxury on the budget with premium cabin class on flights from Brussels to St. Louis.

Elite

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Dec 17

St. Louis, United States

77% AI deal score

$3,738

$3,638

Save $100

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Dec 18

St. Louis, United States

77% AI deal score

$3,748

$3,660

Save $88

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Dec 18

St. Louis, United States

77% AI deal score

$3,775

$3,671

Save $104

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Nov 30

St. Louis, United States

77% AI deal score

$3,871

$3,792

Save $79

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Jan 26

St. Louis, United States

77% AI deal score

$4,035

$3,875

Save $160

Icelandair, +1

Business Class

From BRU

Elite

Jan 02

St. Louis, United States

77% AI deal score

$3,995

$3,905

Save $90

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Dec 01

St. Louis, United States

76% AI deal score

$3,856

$3,807

Save $49

Scandinavian Airlines, +1

Business Class

From BRU

Elite

Jan 07

St. Louis, United States

76% AI deal score

$3,821

Icelandair, +1

Business Class

From BRU

Elite

Jan 26

St. Louis, United States

76% AI deal score

$3,872

$3,821

Save $51

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you identify better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking in advance often provides more options and potentially better prices, especially for international routes. However, last-minute deals can sometimes appear, so it's wise to monitor fares if your travel dates are flexible. There isn't a single 'best' time, as prices can fluctuate.

Comparing nearby airports can sometimes uncover more economical flight options or different schedules. While it may require additional ground transportation, the potential savings could be significant. It's often worth checking if other airports in the region serve your destination.

Related routes

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Flights to St. Louis from other cities

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Brussels to St. Louis: Overview

Insights for flights from Brussels to St. Louis

How much is a round trip from Brussels to St. Louis

Regular price: €801 - €1,234

Prices for flights from Brussels to St. Louis are currently below the regular range.

Regular prices for this route typically range from 801 EUR to 1234 EUR. The current lowest deal is 699 EUR with British Airways, for travel from Apr 12 to Apr 23.

now 699 €

Low 801 €

High 1,234 €

The cheapest time to fly from Brussels to St. Louis

January

Cheapest

Flights from 823 €

November

Most Expensive

Flights from 1,096 €

Jan

Feb

Mar

Oct

Nov

Dec

Direct flights from Brussels to St. Louis

Frontier Airlines

United Airlines

TAP Portugal

easyJet UK

Last-minute flights going from Brussels to St. Louis

Wed, Oct 28

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

KLM, Frontier Airlines

1,030 €

3,737 €

One-way

Fri, Oct 30

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

KLM, Frontier Airlines

1,034 €

2,785 €

One-way

Mon, Nov 2

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Brussels Airlines

971 €

865 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

1,034 €

1,167 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

895 €

1,169 €

One-way

Thu, Nov 5

⌛ Last-Minute

BRU - St. Louis

Brussels (BRU) - St. Louis (STL)

Icelandair, Frontier Airlines

872 €

1,169 €

One-way

Biggest price drops on these dates for flights from Brussels to St. Louis

7 nights

Dec 16 - Dec 23

1,107 € → 748 €

32%

7 nights

Dec 17 - Dec 24

1,107 € → 753 €

32%

4 nights

Dec 3 - Dec 7

1,177 € → 858 €

27%

6 nights

Dec 1 - Dec 7

1,123 € → 836 €

26%

Popular Airports to fly from Brussels to St. Louis

Brussels - St. Louis route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Brussels to St. Louis are below the typical level at $699.

📅 Best time to fly

Fly in November for the best prices

Historically, November, September, and June offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights take 31h 16m

Flights from Brussels to St. Louis typically involve 2 stopovers, with a median duration of 31h 16m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are the only option for this route, with no direct flights available historically.

🏆 Airline highlight

British Airways offers a deal at $699

A recent deal for Brussels to St. Louis was found on British Airways via Skyscanner for $699.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Brussels to St. Louis are historically rare, so book when you see a good price.

Brussels main airports to depart from

Brussels (BRU)

Cheapest

Brussels Airport offers convenient flights from Brussels to St. Louis, with competitive pricing.

📍 ~11 km from Brussels city center (reachable by car or train)

💸 Flights from ~€724

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient arrival airport for your trip to St. Louis.

📍 ~20 km from St. Louis (reachable by car)

💸 Flights from ~€701

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis is a useful alternative, especially for travelers on the Illinois side of the metro area.

St. Louis, United States

76% AI deal score

$3,821

Icelandair, +1

Business Class

From BRU

Elite

Jan 26

St. Louis, United States

76% AI deal score

$3,872

$3,821

Save $51

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

Cheap Flights from Brussels to St. Louis

Today’s best flight deals from Brussels to St. Louis

Brussels to St. Louis: Overview

Insights for flights from Brussels to St. Louis

How much is a round trip from Brussels to St. Louis

The cheapest time to fly from Brussels to St. Louis

Direct flights from Brussels to St. Louis

Last-minute flights going from Brussels to St. Louis

Biggest price drops on these dates for flights from Brussels to St. Louis

Popular Airports to fly from Brussels to St. Louis

Brussels - St. Louis route insights

Recent fares are below the typical level

Fly in November for the best prices

Connecting flights take 31h 16m

Connecting flights are dominant

British Airways offers a deal at $699

Deals are rare for this route

Brussels main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Jan 07

Jan 17

Dec 17

Dec 17

Dec 18

Dec 18

Nov 30

Jan 26

Jan 02

Dec 01

Jan 07

Jan 26

Frequently Asked Questions About Flights to St. Louis

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

When should I book flights from Brussels to St. Louis?

Should I compare nearby airports for flights from Brussels to St. Louis?

Are direct flights from Brussels to St. Louis always the best option?

Can flexible travel dates help on Brussels to St. Louis flights?

What extra costs should I check before booking Brussels to St. Louis flights?

Related routes

More routes from Brussels

Flights to St. Louis from other cities

Brussels to St. Louis: Overview

Insights for flights from Brussels to St. Louis

How much is a round trip from Brussels to St. Louis

The cheapest time to fly from Brussels to St. Louis

Direct flights from Brussels to St. Louis

Last-minute flights going from Brussels to St. Louis

Biggest price drops on these dates for flights from Brussels to St. Louis

Popular Airports to fly from Brussels to St. Louis

Brussels - St. Louis route insights

Recent fares are below the typical level

Fly in November for the best prices

Connecting flights take 31h 16m

Connecting flights are dominant

British Airways offers a deal at $699

Deals are rare for this route

Brussels main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Jan 07

Jan 17

Dec 17

Dec 17

Dec 18

Dec 18

Nov 30

Jan 26

Jan 02

Dec 01

Jan 07

Jan 26

Frequently Asked Questions About Flights to St. Louis

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

When should I book flights from Brussels to St. Louis?

Should I compare nearby airports for flights from Brussels to St. Louis?