STL - BRU
$424 Find Cheap Flights from St. Louis to Brussels Airport - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Brussels departing on 10/30. 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.
Everything you should know
Cheapest round-trip
$730
Typical prices: $684-$1,506
British Airways
Fri 11/9Sun 11/18
STL - BRU • 2 stops
Cheapest one-way
$471
Typical prices: $490-$717
Aer Lingus
Tue 10/30
STL - BRU • 2 stops
Cheap Flights from St. Louis to Brussels (STL-BRU)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Cheap flights from St. Louis to Brussels with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.
Mon, Nov 9 - Wed, Nov 18
1:58 pm - 11:10 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 12m2 stops Charlotte Douglas London Heathrow
2:00 pm - 11:59 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
16h 59m2 stops London Heathrow Chicago O'Hare Intl
$730British Airways
Mon, Nov 9 - Wed, Nov 18
4:05 pm - 1:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 10m2 stops Toronto Pearson Intl London Heathrow
7:00 am - 1:45 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$738Multiple Airlines
Tue, Dec 1 - Fri, Dec 11
4:05 pm - 8:10 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
21h 05m2 stops Toronto Pearson Intl London Heathrow
10:00 am - 9:29 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
42h 29m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$755Air Canada
Mon, Nov 9 - Wed, Nov 18
3:15 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
10h 40m1 stop Chicago O'Hare Intl
10:10 am - 9:40 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
18h 30m1 stop Chicago O'Hare Intl
$767United Airlines
Tue, Dec 1 - Fri, Dec 11
10:50 am - 1:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
19h 25m2 stops Chicago O'Hare Intl London Heathrow
7:00 am - 1:45 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$767United Airlines
Tue, Dec 1 - Fri, Dec 11
6:00 am - 8:05 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
19h 05m1 stop Newark
7:00 am - 1:45 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$771United Airlines
Fri, Feb 5 - Mon, Jul 5
6:45 pm - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
54h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
10:50 am - 12:16 amBRU Brussels Bruxelles-National-STL Lambert-St Louis
20h 26m2 stops London Heathrow Chicago O'Hare Intl
$835Multiple Airlines
Wed, Oct 28 - Wed, Nov 11
4:40 pm - 5:30 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
18h 50m1 stop Frankfurt am Main
8:25 am - 1:45 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
12h 20m1 stop Frankfurt am Main
$964Lufthansa
Wed, Mar 17 - Sat, Mar 27
4:40 pm - 10:10 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
11h 30m1 stop Frankfurt am Main
5:05 pm - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
26h 20m1 stop Frankfurt am Main
$976Lufthansa
Wed, Mar 17 - Sat, Mar 27
4:40 pm - 10:10 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
11h 30m1 stop Frankfurt am Main
5:05 pm - 1:25 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
26h 20m1 stop Frankfurt am Main
$977Lufthansa
Fri, Oct 30
11:31 am - 9:40 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
16h 09m2 stops Chicago O'Hare Intl Dublin
$471Aer Lingus
Thu, Dec 10
11:34 am - 9:40 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
15h 06m2 stops Chicago O'Hare Intl Dublin
$471Aer Lingus
Mon, Dec 14
12:02 pm - 9:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
38h 48m3 stops Atlanta Hartsfield-Jackson Washington, D.C. Dulles Intl Dublin
$486Multiple Airlines
Fri, Oct 30
4:40 pm - 1:35 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 55m1 stop Frankfurt am Main
$550Lufthansa
Fri, Oct 30
4:40 pm - 1:35 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 55m1 stop Frankfurt am Main
$569Lufthansa
Fri, Oct 30
6:44 pm - 9:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
33h 11m3 stops Atlanta Hartsfield-Jackson Chicago Midway Dublin
$572Multiple Airlines
Fri, Oct 30
6:44 pm - 11:50 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
47h 06m3 stops Atlanta Hartsfield-Jackson Orlando Lisbon Humberto Delgado
$582Multiple Airlines
Thu, Dec 10
11:05 am - 8:05 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 00m1 stop Newark
$598Lufthansa
Fri, Oct 30
1:08 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
13h 47m1 stop Chicago O'Hare Intl
$703United Airlines
Mon, Dec 14
1:18 pm - 8:55 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
12h 37m1 stop Chicago O'Hare Intl
$810Lufthansa
Mon, Oct 12 - Thu, Oct 15
2:40 pm - 7:50 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
10h 10m1 stop Toronto Pearson Intl
9:10 am - 6:41 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
16h 31m1 stop Montreal Pierre Elliott Trudeau Intl
$1,349Multiple Airlines
Mon, Oct 12 - Thu, Oct 15
2:40 pm - 1:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
15h 35m2 stops Toronto Pearson Intl London Heathrow
9:10 am - 6:41 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
16h 31m1 stop Montreal Pierre Elliott Trudeau Intl
$1,352United Airlines
Mon, Oct 12 - Thu, Oct 15
10:35 am - 7:35 amSTL Lambert-St Louis-BRU Brussels Bruxelles-National
14h 00m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
6:20 am - 2:45 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
15h 25m2 stops Amsterdam Schiphol Minneapolis St Paul
$1,370KLM
Mon, Oct 12 - Thu, Oct 15
5:53 pm - 12:15 pmSTL Lambert-St Louis-BRU Brussels Bruxelles-National
35h 22m3 stops Dallas/Fort Worth Los Angeles Casablanca Mohamed V
6:35 pm - 7:15 pmBRU Brussels Bruxelles-National-STL Lambert-St Louis
31h 40m3 stops Casablanca Mohamed V Los Angeles Denver Intl
$1,463Multiple Airlines
Price, demand and travel trends for St. Louis to Brussels Bruxelles-National Airport flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from St. Louis to Brussels Bruxelles-National Airport?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Brussels Bruxelles-National Airport departing in november.What's the cheapest day of the week to fly from St. Louis to Brussels Bruxelles-National Airport?
Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Brussels Bruxelles-National Airport. It’s 38% cheaper than the average day, while Saturday is the most expensive, with prices 27% higher.
What’s the cheapest month to fly from St. Louis to Brussels Bruxelles-National Airport?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to Brussels Bruxelles-National Airport, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•February is the cheapest month to fly from St. Louis to Brussels Bruxelles-National Airport at $516 round-trip.
•December ($1,976) and October ($1,760) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 282% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from St. Louis to Brussels Bruxelles-National Airport typically range from $684 to $1,506. The lowest price found in the past 5 days was $730, on British Airways.
What’s the most popular layover airport when flying from St. Louis to Brussels Bruxelles-National Airport?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Chicago O'Hare Intl (ORD) is the most popular layover for the St. Louis to Brussels Bruxelles-National Airport route. 56% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.
What is the cheapest layover airport when flying from St. Louis to Brussels Bruxelles-National Airport?
Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $925. Based on KAYAK data over the past 3 months.
Key details for St. Louis to Brussels Bruxelles-National Airport flights
Low season | May |
|---|---|
High season | March |
Cheapest flight | $471 |
When to book flights from St. Louis to Brussels
Are your dates flexible? Find out the best times to travel from St. Louis to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your St. Louis to Brussels Bruxelles-National Airport flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking St. Louis to Brussels Bruxelles-National Airport flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from St. Louis to Brussels
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Information on your arrival and departure airports
Cabin class types available on flights to Brussels
Cabin classes available on flights from St. Louis to Brussels. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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Flights from domestic origins to Brussels
Choose which airport to fly into in St. Louis
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.