Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Europe to St. Louis from $304

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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.
Search flight deals

Find the cheapest flights from Europe to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 10:23 am
LGW
-
STL
26h 23m1 stop
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$511Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Lufthansa Logo
6:50 am - 1:55 pm
CPH
-
STL
14h 05m1 stop
Lufthansa Logo
6:40 pm - 5:35 pm
STL
-
CPH
15h 55m2 stops
$530Lufthansa
Sun, Jan 25 - Fri, Jan 30
United Airlines Logo
7:05 am - 9:13 pm
CPH
-
STL
21h 08m2 stops
United Airlines Logo
3:11 pm - 2:00 pm
STL
-
CPH
15h 49m2 stops
$569United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
10:10 am - 9:13 pm
CPH
-
STL
18h 03m2 stops
United Airlines Logo
9:57 am - 2:00 pm
STL
-
CPH
21h 03m2 stops
$570United Airlines
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
2:25 pm - 3:29 pm
BRU
-
STL
32h 04m2 stops
Air Canada Logo
4:05 pm - 1:15 pm
STL
-
BRU
14h 10m2 stops
$680Air Canada
Fri, Jan 23 - Fri, Jan 30
British Airways Logo
12:30 pm - 8:03 pm
LHR
-
STL
13h 33m1 stop
British Airways Logo
10:00 pm - 12:05 pm
STL
-
LHR
8h 05mnonstop
$719British Airways
Tue, May 5 - Tue, May 12
British Airways Logo
6:45 pm - 11:24 pm
LHR
-
STL
34h 39m2 stops
British Airways Logo
9:15 am - 7:50 am
STL
-
LHR
16h 35m1 stop
$729British Airways
Mon, May 4 - Wed, May 13
Iberia Logo
1:15 pm - 11:12 pm
MAD
-
STL
16h 57m2 stops
Iberia Logo
9:54 am - 5:45 am
STL
-
MAD
12h 51m2 stops
$772Iberia
Thu, Jan 15 - Mon, Jan 19
Iberia Logo
1:00 pm - 10:55 pm
MAD
-
STL
16h 55m1 stop
Iberia Logo
11:55 am - 9:25 am
STL
-
MAD
14h 30m1 stop
$773Iberia
Thu, Jan 15 - Mon, Jan 19
Air Canada Logo
10:55 am - 3:29 pm
FCO
-
STL
35h 34m1 stop
Air Canada Logo
4:05 pm - 10:55 am
STL
-
FCO
11h 50m1 stop
$1,100Air Canada
Thu, Dec 25 - Mon, Dec 29

British Airways flights from Europe to St. Louis

Our best British Airways deals on Europe to St. Louis flight tickets
British Airways
Jan 25
FRA10:15 amFrankfurt am Main
15h 19m
1 stop
STL6:34 pmLambert-St Louis
Feb 1
STL12:01 pmLambert-St Louis
15h 29m
2 stops
FRA10:30 amFrankfurt am Main
$691
Find similar
British Airways
May 5
LHR12:30 pmLondon Heathrow
13h 33m
1 stop
STL8:03 pmLambert-St Louis
May 12
STL10:00 pmLambert-St Louis
8h 05m
LHR12:05 pmLondon Heathrow
$719
Find similar
British Airways
May 4
LHR6:45 pmLondon Heathrow
34h 39m
2 stops
STL11:24 pmLambert-St Louis
May 13
STL9:15 amLambert-St Louis
16h 35m
1 stop
LHR7:50 amLondon Heathrow
$729
Find similar

Virgin Atlantic flights from Europe to St. Louis

Our best Virgin Atlantic deals on Europe to St. Louis flight tickets
Virgin Atlantic
Apr 30
FRA10:40 amFrankfurt am Main
14h 22m
1 stop
STL6:02 pmLambert-St Louis
May 16
STL10:45 amLambert-St Louis
16h 05m
1 stop
FRA9:50 amFrankfurt am Main
$698
Find similar
Virgin Atlantic
Jan 12
LHR10:00 amLondon Heathrow
16h 43m
2 stops
STL8:43 pmLambert-St Louis
Jan 26
STL12:00 pmLambert-St Louis
12h 25m
1 stop
LHR6:25 amLondon Heathrow
$735
Find similar
Virgin Atlantic
Jan 12
LHR10:45 amLondon Heathrow
13h 05m
1 stop
STL5:50 pmLambert-St Louis
Jan 26
STL12:00 pmLambert-St Louis
13h 50m
1 stop
LHR7:50 amLondon Heathrow
$737
Find similar

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 December 11, 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

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/22

2:00 pm-10:23 am

1 stop26h 23m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$511

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 1/25

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fri 1/30

6:40 pm-5:35 pm

2 stops15h 55m

$530

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/22

7:05 am-9:13 pm

2 stops21h 08m

Lambert-St Louis

Mon 1/26

3:11 pm-2:00 pm

2 stops15h 49m

$569

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/22

10:10 am-9:13 pm

2 stops18h 03m

Lambert-St Louis

Mon 1/26

9:57 am-2:00 pm

2 stops21h 03m

$570

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 1/23

2:25 pm-3:29 pm

2 stops32h 04m

Lambert-St Louis

Fri 1/30

4:05 pm-1:15 pm

2 stops14h 10m

$680

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

12:30 pm-8:03 pm

1 stop13h 33m

Lambert-St Louis

Tue 5/12

10:00 pm-12:05 pm

Nonstop8h 05m

$719

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 5/4

6:45 pm-11:24 pm

2 stops34h 39m

Lambert-St Louis

Wed 5/13

9:15 am-7:50 am

1 stop16h 35m

$729

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 1/15

1:15 pm-11:12 pm

2 stops16h 57m

Lambert-St Louis

Mon 1/19

9:54 am-5:45 am

2 stops12h 51m

$772

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 1/15

1:00 pm-10:55 pm

1 stop16h 55m

Lambert-St Louis

Mon 1/19

11:55 am-9:25 am

1 stop14h 30m

$773

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 12/25

10:55 am-3:29 pm

1 stop35h 34m

Lambert-St Louis

Mon 12/29

4:05 pm-10:55 am

1 stop11h 50m

$1,100

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $739. The month of January is another great option to travel to St. Louis, with average flight prices from Europe averaging around $749.

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 $979 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 $851 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 25% 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

Fastest flight time

9h 05m

Direct flights

Mon, Wed, Thu and Sat

Airports in St. Louis

1 airport
The fastest flight from Europe to St. Louis takes 9h 05m
Direct flights go from Europe to St. Louis on Monday, Wednesday, Thursday and Saturday. The only airline offering direct flights is Finnair.
There is 1 airport in St. Louis. From Europe there are direct flights to 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 $528Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
IberiaPriceFrom $553Free CancellationRating
7.0
3,045 reviews
Search Iberia flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
LufthansaPriceFrom $618Free CancellationRating
6.8
7,626 reviews
Search Lufthansa 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
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States