Cheap flights from Belgium to St. Louis from $549
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to St. Louis departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Belgium to St. Louis
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United Airlines flights from Belgium to St. Louis
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How to get the cheapest flight ticket from Belgium 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 cheapest month to fly to St. Louis?
In general, May is the cheapest month to fly from Belgium 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 Belgium 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.
Cheap Belgium to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belgium to St. Louis
When did momondo last update prices for flights from Belgium to Lambert-St Louis Airport?
Prices for flights from Belgium to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Belgium to Lambert-St Louis Airport?
The number of operators available for flights from Belgium to Lambert-St Louis Airport is 1 as of June 2025.
How old do you have to be to fly from Belgium to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belgium 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.
Best airlines flying from Belgium to St. Louis
Compare and see reviews for airlines that fly from Belgium to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $536 | Free Cancellation | Rating 6.6 7,008 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 Belgium to St. Louis?
It is quick and easy to find Belgium to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Belgium to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Belgium with this policy.
How can momondo help me find flights from Belgium to St. Louis?
momondo helps you find the best flight between Belgium and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Belgium to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Belgium are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.