Cheap flights from Brussels Bruxelles-National Airport to St. Louis from $547
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to St. Louis departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Brussels Bruxelles-National Airport to St. Louis
Cheap round-trip flights
Cheap one-way flights
Lufthansa flights from Brussels Bruxelles-National Airport to St. Louis
Our best Lufthansa deals on Brussels Bruxelles-National Airport to St. Louis flight tickets
British Airways flights from Brussels Bruxelles-National Airport to St. Louis
Our best British Airways deals on Brussels Bruxelles-National Airport to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Brussels Bruxelles-National Airport and St. Louis?
What is the cheapest month to fly to St. Louis?
In general, May is the cheapest month to fly from Brussels Bruxelles-National Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $435. The month of February is another great option to travel to St. Louis, with average flight prices from Brussels Bruxelles-National Airport averaging around $545.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $710. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $738. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
When to book flights from Brussels Bruxelles-National Airport to St. Louis
Cheap Brussels Bruxelles-National Airport to St. Louis (BRU to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to St. Louis
How far is Brussels Bruxelles-National to Lambert-St Louis by plane?
Brussels Bruxelles-National and Lambert-St Louis are 4393.0 mi apart from one another. Flights usually cover this in 12h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?
Prices for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?
The number of operators available for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport is 1 as of April 2025.
How old do you have to be to fly from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Brussels Bruxelles-National Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Brussels Bruxelles-National Airport to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Brussels Bruxelles-National Airport to St. Louis is British Airways (100% of total bookings).
Best airlines flying from Brussels Bruxelles-National Airport to St. Louis
Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $536 | Free Cancellation | Rating 6.6 6,809 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Brussels to St. Louis?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Brussels to St. Louis. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Brussels to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Brussels with this policy.
How can momondo help me find flights from Brussels to St. Louis?
Once all potential Brussels to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Brussels to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Brussels to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.