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Cheap flights from Europe to St. Louis from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Europe to St. Louis departing on 1/15. 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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0 bags

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Find the cheapest flights from Europe to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:45 am - 1:55 pmGVA-STL
14h 10m1 stop
Lufthansa Logo
1:10 pm - 1:10 pmSTL-GVA
17h 00m2 stops
$619Lufthansa
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Fri, Nov 21 - Thu, Nov 27
United Airlines Logo
6:45 am - 1:55 pmGVA-STL
14h 10m1 stop
United Airlines Logo
7:00 am - 7:25 amSTL-GVA
17h 25m1 stop
$623United Airlines
Find Deal
Fri, Nov 21 - Thu, Nov 27
United Airlines Logo
6:45 am - 10:45 pmGVA-STL
23h 00m2 stops
United Airlines Logo
1:05 pm - 7:35 amSTL-GVA
11h 30m1 stop
$625United Airlines
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Tue, Dec 16 - Wed, Dec 31
Lufthansa Logo
1:15 pm - 9:43 pmFRA-STL
15h 28m2 stops
Lufthansa Logo
6:40 pm - 6:35 amSTL-FRA
28h 55m1 stop
$628Lufthansa
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Fri, Dec 26 - Fri, Jan 9
KLM Logo
6:55 am - 4:33 pmFRA-STL
16h 38m2 stops
KLM Logo
6:00 am - 8:40 amSTL-FRA
19h 40m1 stop
$660KLM
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Sat, Nov 22 - Fri, Nov 28
KLM Logo
6:55 am - 4:33 pmFRA-STL
16h 38m2 stops
KLM Logo
7:05 am - 8:40 amSTL-FRA
18h 35m1 stop
$661KLM
Find Deal
Wed, Nov 19 - Wed, Dec 3
British Airways Logo
9:15 am - 4:13 pmLHR-STL
12h 58m1 stop
British Airways Logo
2:19 pm - 7:05 amSTL-LHR
10h 46m1 stop
$706British Airways
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Wed, Apr 22 - Tue, Apr 28
British Airways Logo
3:15 pm - 9:48 pmLHR-STL
12h 33m1 stop
British Airways Logo
2:19 pm - 7:05 amSTL-LHR
10h 46m1 stop
$711British Airways
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Wed, Apr 22 - Tue, Apr 28
Iberia Logo
11:30 am - 8:42 amLHR-STL
27h 12m2 stops
Iberia Logo
12:56 pm - 10:35 amSTL-LHR
15h 39m2 stops
$750Iberia
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Wed, Apr 22 - Tue, Apr 28
Iberia Logo
12:50 pm - 9:31 amORY-STL
27h 41m2 stops
Iberia Logo
11:05 am - 12:00 pmSTL-ORY
17h 55m2 stops
$782Iberia
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Thu, Dec 25 - Fri, Jan 9

Air France flights from Europe to St. Louis

Our best Air France deals on Europe to St. Louis flight tickets
Air France
Dec 26
FRA10:40 amFrankfurt am Main
13h 21m
1 stop
STL5:01 pmLambert-St Louis
Jan 9
STL10:33 amLambert-St Louis
14h 17m
1 stop
FRA7:50 amFrankfurt am Main
$669
Find similar
Air France
Dec 16
CDG10:30 amParis Charles de Gaulle
13h 40m
1 stop
STL5:10 pmLambert-St Louis
Jan 6
STL5:00 pmLambert-St Louis
13h 15m
1 stop
CDG1:15 pmParis Charles de Gaulle
$715
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Air France
Nov 14
LHR8:55 amLondon Heathrow
13h 12m
1 stop
STL4:07 pmLambert-St Louis
Nov 17
STL2:36 pmLambert-St Louis
12h 09m
1 stop
LHR8:45 amLondon Heathrow
$928
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Virgin Atlantic flights from Europe to St. Louis

Our best Virgin Atlantic deals on Europe to St. Louis flight tickets
Virgin Atlantic
Dec 2
LHR8:40 amLondon Heathrow
19h 17m
2 stops
STL9:57 pmLambert-St Louis
Dec 9
STL10:45 amLambert-St Louis
14h 55m
2 stops
LHR7:40 amLondon Heathrow
$710
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Virgin Atlantic
Nov 29
FRA10:40 amFrankfurt am Main
17h 06m
1 stop
STL8:46 pmLambert-St Louis
Jan 10
STL10:19 amLambert-St Louis
14h 31m
1 stop
FRA7:50 amFrankfurt am Main
$718
Find similar
Virgin Atlantic
Nov 12
LHR12:30 pmLondon Heathrow
35h 27m
1 stop
STL5:57 pmLambert-St Louis
Dec 31
STL10:04 amLambert-St Louis
16h 41m
1 stop
LHR8:45 amLondon Heathrow
$1,054
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momondo Fare Finder

 
Customize your flight search to find flights from Europe to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Europe to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GenevaSt. Louis

GVA - STL

GVASTL

Geneva Geneve-Cointrin

Fri 11/21

6:45 am-1:55 pm

1 stop14h 10m

Lambert-St Louis

Thu 11/27

1:10 pm-1:10 pm

2 stops17h 00m

$619

GenevaSt. Louis

GVA - STL

GVASTL

Geneva Geneve-Cointrin

Fri 11/21

6:45 am-1:55 pm

1 stop14h 10m

Lambert-St Louis

Thu 11/27

7:00 am-7:25 am

1 stop17h 25m

$623

GenevaSt. Louis

GVA - STL

GVASTL

Geneva Geneve-Cointrin

Tue 12/16

6:45 am-10:45 pm

2 stops23h 00m

Lambert-St Louis

Wed 12/31

1:05 pm-7:35 am

1 stop11h 30m

$625

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 12/26

1:15 pm-9:43 pm

2 stops15h 28m

Lambert-St Louis

Fri 1/9

6:40 pm-6:35 am

1 stop28h 55m

$628

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sat 11/22

6:55 am-4:33 pm

2 stops16h 38m

Lambert-St Louis

Fri 11/28

6:00 am-8:40 am

1 stop19h 40m

$660

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 11/19

6:55 am-4:33 pm

2 stops16h 38m

Lambert-St Louis

Wed 12/3

7:05 am-8:40 am

1 stop18h 35m

$661

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 4/22

9:15 am-4:13 pm

1 stop12h 58m

Lambert-St Louis

Tue 4/28

2:19 pm-7:05 am

1 stop10h 46m

$706

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 4/22

3:15 pm-9:48 pm

1 stop12h 33m

Lambert-St Louis

Tue 4/28

2:19 pm-7:05 am

1 stop10h 46m

$711

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 4/22

11:30 am-8:42 am

2 stops27h 12m

Lambert-St Louis

Tue 4/28

12:56 pm-10:35 am

2 stops15h 39m

$750

ParisSt. Louis

ORY - STL

ORYSTL

Paris Orly

Thu 12/25

12:50 pm-9:31 am

2 stops27h 41m

Lambert-St Louis

Fri 1/9

11:05 am-12:00 pm

2 stops17h 55m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Europe 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, March is the cheapest month to fly from Europe to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $740. The month of January is another great option to travel to St. Louis, with average flight prices from Europe averaging around $753.

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 Wednesday when prices can be found for as low as $952. 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 $1,371. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Europe at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,075 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,229 per ticket.

What is the cheapest Europe to Lambert-St Louis flight route?

Fly from London Heathrow to Lambert-St Louis for the best Europe - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $976 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Europe for as low as $875 on momondo.

What cabin class options are available on Europe to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Europe to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Europe to St. Louis flights?

You could potentially save up to 19% on your flight if you consider stops on a Europe to St. Louis flight.

Cheap Europe to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Europe to St. Louis

Best Price Found

$679

Fastest flight time

9h 05m

Direct flights

Mon, Thu and Sat

Airports in St. Louis

1 airport
The best flight deal from Europe to St. Louis found on momondo in the last 72 hours is $679
The fastest flight from Europe to St. Louis takes 9h 05m
Direct flights go from Europe to St. Louis on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • When did momondo last update prices for flights from Europe to Lambert-St Louis Airport?

    Prices for flights from Europe to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Europe to Lambert-St Louis Airport?

  • How old do you have to be to fly from Europe to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Europe 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 Europe to St. Louis

Compare and see reviews for airlines that fly from Europe to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $485Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
IberiaPriceFrom $553Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,410 reviews
Search Air Canada flights
LufthansaPriceFrom $589Free CancellationRating
6.8
7,555 reviews
Search Lufthansa flights
American AirlinesPriceFrom $646Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Europe to St. Louis?

It is quick and easy to find Europe 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 Europe to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Europe to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Europe to St. Louis?

Once you have performed a search for Europe to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Europe to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Europe to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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