Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to the United Kingdom from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to the United Kingdom departing on 2/6. 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 St. Louis to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:22 am - 12:20 pm
STL
-
MAN
18h 58m2 stops
Lufthansa Logo
6:05 am - 1:55 pm
MAN
-
STL
13h 50m1 stop
$590Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
3:50 pm - 12:20 pm
STL
-
MAN
14h 30m1 stop
Lufthansa Logo
6:05 am - 1:55 pm
MAN
-
STL
13h 50m1 stop
$605Lufthansa
Fri, Jan 23 - Fri, Jan 30
British Airways Logo
6:44 pm - 4:25 pm
STL
-
GLA
15h 41m2 stops
British Airways Logo
11:40 am - 10:59 pm
GLA
-
STL
17h 19m2 stops
$606British Airways
Wed, Jan 21 - Wed, Jan 28
British Airways Logo
5:04 pm - 3:20 pm
STL
-
EDI
16h 16m2 stops
British Airways Logo
10:55 am - 10:54 pm
EDI
-
STL
17h 59m2 stops
$609British Airways
Fri, Feb 6 - Fri, Feb 13
United Airlines Logo
9:57 am - 7:55 am
STL
-
EDI
15h 58m2 stops
United Airlines Logo
9:25 am - 10:58 pm
EDI
-
STL
19h 33m2 stops
$619United Airlines
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
2:54 pm - 10:45 am
STL
-
GLA
13h 51m2 stops
American Airlines Logo
6:35 am - 7:29 pm
GLA
-
STL
18h 54m2 stops
$620American Airlines
Thu, Jan 8 - Thu, Jan 15
Delta Logo
10:13 am - 10:40 am
STL
-
EDI
18h 27m2 stops
Delta Logo
10:45 am - 8:43 pm
EDI
-
STL
14h 58m1 stop
$621Delta
Mon, Feb 23 - Mon, Mar 9
Delta Logo
6:35 am - 10:40 am
STL
-
EDI
22h 05m2 stops
Delta Logo
10:45 am - 8:41 pm
EDI
-
STL
14h 56m2 stops
$626Delta
Mon, Feb 23 - Mon, Mar 9
United Airlines Logo
11:25 am - 10:20 am
STL
-
MAN
16h 55m2 stops
United Airlines Logo
6:10 am - 5:00 pm
MAN
-
STL
16h 50m2 stops
$627United Airlines
Sun, Feb 22 - Tue, Feb 24
American Airlines Logo
7:05 am - 6:45 am
STL
-
LGW
17h 40m2 stops
American Airlines Logo
2:00 pm - 8:05 am
LGW
-
STL
24h 05m2 stops
$695American Airlines
Wed, Apr 1 - Mon, Apr 20

Virgin Atlantic flights from St. Louis to United Kingdom

Our best Virgin Atlantic deals on St. Louis to United Kingdom flight tickets
Virgin Atlantic
Jan 2
STL6:05 amLambert-St Louis
19h 00m
1 stop
LHR7:05 amLondon Heathrow
Jan 15
LHR10:00 amLondon Heathrow
16h 43m
2 stops
STL8:43 pmLambert-St Louis
$688
Find similar
Virgin Atlantic
Feb 24
STL10:13 amLambert-St Louis
18h 17m
1 stop
MAN10:30 amManchester
Feb 27
MAN1:25 pmManchester
16h 11m
1 stop
STL11:36 pmLambert-St Louis
$711
Find similar
Virgin Atlantic
Jan 2
STL6:05 amLambert-St Louis
19h 00m
1 stop
LHR7:05 amLondon Heathrow
Jan 15
LHR12:30 pmLondon Heathrow
14h 07m
1 stop
STL8:37 pmLambert-St Louis
$715
Find similar

Air Canada flights from St. Louis to United Kingdom

Our best Air Canada deals on St. Louis to United Kingdom flight tickets
Air Canada
Apr 27
STL4:05 pmLambert-St Louis
22h 55m
2 stops
LHR9:00 pmLondon Heathrow
May 4
LHR8:45 amLondon Heathrow
17h 20m
2 stops
STL8:05 pmLambert-St Louis
$698
Find similar
Air Canada
Dec 29
STL4:05 pmLambert-St Louis
22h 30m
2 stops
LHR8:35 pmLondon Heathrow
Jan 12
LHR9:00 amLondon Heathrow
36h 29m
2 stops
STL3:29 pmLambert-St Louis
$705
Find similar
Air Canada
Jan 30
STL4:05 pmLambert-St Louis
10h 25m
1 stop
LHR8:30 amLondon Heathrow
Feb 6
LHR6:00 pmLondon Heathrow
27h 29m
1 stop
STL3:29 pmLambert-St Louis
$713
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to United Kingdom 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 St. Louis to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Fri 1/23

11:22 am-12:20 pm

2 stops18h 58m

Manchester

Fri 1/30

6:05 am-1:55 pm

1 stop13h 50m

$590

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Fri 1/23

3:50 pm-12:20 pm

1 stop14h 30m

Manchester

Fri 1/30

6:05 am-1:55 pm

1 stop13h 50m

$605

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 1/21

6:44 pm-4:25 pm

2 stops15h 41m

Glasgow Intl

Wed 1/28

11:40 am-10:59 pm

2 stops17h 19m

$606

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 2/6

5:04 pm-3:20 pm

2 stops16h 16m

Edinburgh Turnhouse

Fri 2/13

10:55 am-10:54 pm

2 stops17h 59m

$609

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 1/30

9:57 am-7:55 am

2 stops15h 58m

Edinburgh Turnhouse

Tue 2/3

9:25 am-10:58 pm

2 stops19h 33m

$619

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 1/8

2:54 pm-10:45 am

2 stops13h 51m

Glasgow Intl

Thu 1/15

6:35 am-7:29 pm

2 stops18h 54m

$620

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Mon 2/23

10:13 am-10:40 am

2 stops18h 27m

Edinburgh Turnhouse

Mon 3/9

10:45 am-8:43 pm

1 stop14h 58m

$621

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Mon 2/23

6:35 am-10:40 am

2 stops22h 05m

Edinburgh Turnhouse

Mon 3/9

10:45 am-8:41 pm

2 stops14h 56m

$626

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Sun 2/22

11:25 am-10:20 am

2 stops16h 55m

Manchester

Tue 2/24

6:10 am-5:00 pm

2 stops16h 50m

$627

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 4/1

7:05 am-6:45 am

2 stops17h 40m

London Gatwick

Mon 4/20

2:00 pm-8:05 am

2 stops24h 05m

$695

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from St. Louis to United Kingdom

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 United Kingdom?

In general, November is the cheapest month to fly from St. Louis to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $709. If you aren’t able to travel to United Kingdom during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $721.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from St. Louis to United Kingdom is on a Monday when prices can be found for as low as $668. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $812.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from St. Louis to United Kingdom in the evening for as low as $765. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly at noon, with an average ticket price of $958. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $885 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from St. Louis for as low as $769 on momondo.

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

There are 3 cabin classes available to choose from on Lambert-St Louis to United Kingdom 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 St. Louis to United Kingdom flights?

You could potentially save up to 6% on your flight if you consider stops on a St. Louis to United Kingdom flight.

Cheap St. Louis to United Kingdom flight deals and tips

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

Best Price Found

$280

Fastest flight time

8h 05m

Direct flights

Mon, Wed, Thu and Sat

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from St. Louis in the past 72 hours is $280. The best round-trip flight deal from St. Louis to United Kingdom found on momondo in the last 72 hours is $675.
The fastest flight from St. Louis to United Kingdom takes 8h 05m
Direct flights go from St. Louis to United Kingdom on Monday, Wednesday, Thursday and Saturday. There are no airlines offering direct flights.
There are 1,286 airports in United Kingdom. From St. Louis there are direct flights to London Heathrow (LHR).
Search flight deals

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to United Kingdom?

Best airlines flying from St. Louis to United Kingdom

Compare and see reviews for airlines that fly from St. Louis to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $529Free CancellationRating
7.7
1,432 reviews
Search KLM flights
Air CanadaPriceFrom $573Free CancellationRating
7.1
10,515 reviews
Search Air Canada flights
DeltaPriceFrom $577Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $580Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
IberiaPriceFrom $597Free CancellationRating
7.0
3,045 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $602Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $615Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $634Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
LufthansaPriceFrom $670Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to United Kingdom. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to United Kingdom with flexible booking policies on momondo?

momondo does allow users to show only those flights to United Kingdom from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to United Kingdom.

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

Yes. momondo can track prices for St. Louis to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your United Kingdom 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 Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $330
Flights to Manchesterfrom $362
Flights to Edinburghfrom $386
Flights to Birminghamfrom $386
Flights to Glasgowfrom $388
Flights to Newcastle upon Tynefrom $440
Flights to Belfastfrom $487
Flights to Bristolfrom $452
Flights to Invernessfrom $416
Flights to Liverpoolfrom $435
Flights to Aberdeenfrom $521
Flights to Leedsfrom $447