Cheap Flights from St. Louis (STL) to Antwerp (ANR)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Antwerp (ANR-Antwerp Intl.)

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Cheap Flights from St. Louis to Antwerp (STL-ANR)

Prices were available within the past 7 days and start at for one-way flights and $785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Aug 11 - Fri, Aug 22
STL
St. Louis
ZWE
Antwerp
$785 Roundtrip, found 2 days ago
$785
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Aug 11 from St. Louis to Antwerp, returning Fri, Aug 22, priced at $785 found 2 days ago
KLM
Mon, Aug 11 - Wed, Aug 27
STL
St. Louis
ZWE
Antwerp
$835 Roundtrip, found 2 days ago
$835
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Aug 11 from St. Louis to Antwerp, returning Wed, Aug 27, priced at $835 found 2 days ago
KLM
Thu, Aug 7 - Wed, Aug 27
STL
St. Louis
ZWE
Antwerp
$885 Roundtrip, found 2 days ago
$885
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Aug 7 from St. Louis to Antwerp, returning Wed, Aug 27, priced at $885 found 2 days ago
KLM
Mon, Aug 11 - Mon, Aug 18
STL
St. Louis
ZWE
Antwerp
$895 Roundtrip, found 2 days ago
$895
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Aug 11 from St. Louis to Antwerp, returning Mon, Aug 18, priced at $895 found 2 days ago
KLM
Thu, Aug 7 - Mon, Aug 18
STL
St. Louis
ZWE
Antwerp
$945 Roundtrip, found 2 days ago
$945
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Aug 7 from St. Louis to Antwerp, returning Mon, Aug 18, priced at $945 found 2 days ago
KLM
Tue, Aug 5 - Mon, Aug 11
STL
St. Louis
ZWE
Antwerp
$1,075 Roundtrip, found 2 days ago
$1,075
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Aug 5 from St. Louis to Antwerp, returning Mon, Aug 11, priced at $1,075 found 2 days ago
KLM
Thu, Aug 7 - Mon, Aug 11
STL
St. Louis
ZWE
Antwerp
$1,125 Roundtrip, found 2 days ago
$1,125
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Aug 7 from St. Louis to Antwerp, returning Mon, Aug 11, priced at $1,125 found 2 days ago
KLM
Tue, Aug 5 - Sun, Aug 10
STL
St. Louis
ZWE
Antwerp
$1,175 Roundtrip, found 2 days ago
$1,175
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Aug 5 from St. Louis to Antwerp, returning Sun, Aug 10, priced at $1,175 found 2 days ago
KLM
Thu, Aug 7 - Sun, Aug 10
STL
St. Louis
ZWE
Antwerp
$1,225 Roundtrip, found 2 days ago
$1,225
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Aug 7 from St. Louis to Antwerp, returning Sun, Aug 10, priced at $1,225 found 2 days ago
KLM
Sun, Aug 10 - Sat, Aug 16
STL
St. Louis
ZWE
Antwerp
$1,525 Roundtrip, found 2 days ago
$1,525
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Aug 10 from St. Louis to Antwerp, returning Sat, Aug 16, priced at $1,525 found 2 days ago
KLM
Mon, Aug 11 - Fri, Aug 15
STL
St. Louis
ZWE
Antwerp
$1,815 Roundtrip, found 2 days ago
$1,815
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Aug 11 from St. Louis to Antwerp, returning Fri, Aug 15, priced at $1,815 found 2 days ago
KLM
Sat, Aug 9 - Fri, Aug 15
STL
St. Louis
ZWE
Antwerp
$1,865 Roundtrip, found 2 days ago
$1,865
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Aug 9 from St. Louis to Antwerp, returning Fri, Aug 15, priced at $1,865 found 2 days ago
KLM
Mon, Aug 11 - Sat, Aug 16
STL
St. Louis
ZWE
Antwerp
$1,875 Roundtrip, found 2 days ago
$1,875
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Aug 11 from St. Louis to Antwerp, returning Sat, Aug 16, priced at $1,875 found 2 days ago
KLM
Tue, Aug 5 - Fri, Aug 8
STL
St. Louis
ZWE
Antwerp
$2,095 Roundtrip, found 2 days ago
$2,095
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Aug 5 from St. Louis to Antwerp, returning Fri, Aug 8, priced at $2,095 found 2 days ago
KLM
Tue, Aug 5 - Sat, Aug 9
STL
St. Louis
ZWE
Antwerp
$2,165 Roundtrip, found 2 days ago
$2,165
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Aug 5 from St. Louis to Antwerp, returning Sat, Aug 9, priced at $2,165 found 2 days ago
KLM
Sat, Aug 9 - Mon, Aug 11
STL
St. Louis
ZWE
Antwerp
$2,215 Roundtrip, found 2 days ago
$2,215
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Aug 9 from St. Louis to Antwerp, returning Mon, Aug 11, priced at $2,215 found 2 days ago
KLM
Fri, Aug 8 - Sat, Aug 9
STL
St. Louis
ZWE
Antwerp
$2,250 Roundtrip, found 2 days ago
$2,250
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Aug 8 from St. Louis to Antwerp, returning Sat, Aug 9, priced at $2,250 found 2 days ago
Flights from St. Louis (STL) to Antwerp (ZWE)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Antwerp Central Train Station
Roundtrip price
$785
Distance
4383 mi

St. Louis to Antwerp Flights

The cheapest times to fly from St. Louis to Antwerp

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Antwerp are during the month of August. You can find some of the cheapest flights from St. Louis to Antwerp with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Antwerp

Sunday is one of the best days to book for cheap flights from St. Louis to Antwerp: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Antwerp

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Antwerp in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Antwerp flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Antwerp airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR) cost?
Discover the latest flight deals from STL to ANR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to ANR?
The cheapest flights from STL to ANR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to ANR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to ANR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR)?
You'll need to catch a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to ANR?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR) last-minute?
Holding off until right before your break to book a flight from STL to ANR often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a STL to ANR flight and hotel package?
You'll typically save money by securing a STL to ANR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Antwerp Intl. Airport (ANR)?
In most cases, you can cancel or modify your STL to ANR flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.