What is the cheapest airline that flies from Lambert-St Louis to United Kingdom?

British Airways, Delta, and Iberia are the most popular carriers operating from Lambert-St Louis to United Kingdom

Which airline has the best punctuality record on St. Louis to the United Kingdom flights?

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

How often are flights from St. Louis to the United Kingdom delayed?

Historically, on average around 18% of flights between St. Louis and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

What is the most punctual flight time for St. Louis to the United Kingdom flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How many flights depart from St. Louis to United Kingdom on average per week?

5 flights are operational weekly from St. Louis to United Kingdom as of October 2026. The most popular departure day for this route is Fri, with 100% of flights per week taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What airlines fly to United Kingdom?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to United Kingdom from St. Louis according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 8 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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?

There are 8 operators available for flights from Lambert-St Louis Airport to United Kingdom as of October 2026.

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.

$311 Cheap Flights from St. Louis to the United Kingdom in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to the United Kingdom

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:34 pm - 6:50 amSTL Lambert-St Louis-LGW London Gatwick

30h 16m2 stops Atlanta Hartsfield-Jackson Orlando

11:00 am - 11:16 pmLGW London Gatwick-STL Lambert-St Louis

18h 16m1 stop Orlando

$736Multiple Airlines

Wed, Nov 11 - Thu, Nov 19

6:45 pm - 4:15 pmSTL Lambert-St Louis-MAN Manchester

15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 1:45 pmMAN Manchester-STL Lambert-St Louis

13h 45m1 stop Frankfurt am Main

$751Lufthansa

Wed, Jan 20 - Fri, Jan 22

4:05 pm - 8:45 amSTL Lambert-St Louis-MAN Manchester

10h 40m1 stop Toronto Pearson Intl

6:10 am - 7:27 pmMAN Manchester-STL Lambert-St Louis

19h 17m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$771United Airlines

Wed, Jan 20 - Fri, Jan 22

8:45 pm - 5:50 amSTL Lambert-St Louis-LGW London Gatwick

27h 05m1 stop Orlando

9:45 am - 4:58 pmLGW London Gatwick-STL Lambert-St Louis

37h 13m2 stops Orlando Las Vegas Harry Reid Intl

$772Multiple Airlines

Mon, Jan 11 - Wed, Jan 20

8:30 am - 10:20 amSTL Lambert-St Louis-MAN Manchester

19h 50m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

6:10 am - 5:50 pmMAN Manchester-STL Lambert-St Louis

17h 40m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$775United Airlines

Wed, Jan 20 - Fri, Jan 22

5:43 pm - 3:15 pmSTL Lambert-St Louis-EDI Edinburgh Turnhouse

16h 32m2 stops Chicago O'Hare Intl London Heathrow

11:25 am - 9:09 pmEDI Edinburgh Turnhouse-STL Lambert-St Louis

15h 44m1 stop Philadelphia

$841British Airways

Mon, Mar 22 - Tue, Mar 30

12:08 pm - 10:10 amSTL Lambert-St Louis-EDI Edinburgh Turnhouse

17h 02m2 stops Dallas/Fort Worth London Heathrow

11:25 am - 9:09 pmEDI Edinburgh Turnhouse-STL Lambert-St Louis

15h 44m1 stop Philadelphia

$841Iberia

Mon, Mar 22 - Tue, Mar 30

4:40 pm - 7:35 pmSTL Lambert-St Louis-LHR London Heathrow

21h 55m2 stops Frankfurt am Main Munich Franz Josef Strauss

11:10 am - 11:19 pmLHR London Heathrow-STL Lambert-St Louis

17h 09m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$842Lufthansa

Sun, Mar 14 - Tue, Mar 16

9:59 am - 9:30 amSTL Lambert-St Louis-INV Inverness

17h 31m2 stops Boston Logan Intl London Heathrow

12:45 pm - 10:17 pmINV Inverness-STL Lambert-St Louis

15h 32m2 stops London Heathrow Chicago O'Hare Intl

$843British Airways

Tue, Dec 8 - Tue, Dec 15

12:08 pm - 8:15 amSTL Lambert-St Louis-LHR London Heathrow

15h 07m1 stop Dallas/Fort Worth

12:20 pm - 9:54 amLHR London Heathrow-STL Lambert-St Louis

27h 34m2 stops Madrid Barajas Boston Logan Intl

$891Iberia

Wed, Mar 24 - Wed, Mar 31

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 6:50 amSTL Lambert-St Louis-LGW London Gatwick

33h 20m1 stop Orlando

9:50 am - 11:19 amLGW London Gatwick-STL Lambert-St Louis

31h 29m2 stops Orlando Dallas/Fort Worth

$961Multiple Airlines

Mon, Oct 26 - Wed, Nov 11

6:00 am - 2:30 pmSTL Lambert-St Louis-LGW London Gatwick

27h 30m3 stops Chicago O'Hare Intl Toronto Pearson Intl Dublin

9:05 pm - 3:26 pmLGW London Gatwick-STL Lambert-St Louis

24h 21m2 stops Dublin Toronto Pearson Intl

$1,003Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

4:40 pm - 2:45 pmSTL Lambert-St Louis-LHR London Heathrow

17h 05m1 stop Frankfurt am Main

6:30 am - 1:45 pmLHR London Heathrow-STL Lambert-St Louis

13h 15m1 stop Frankfurt am Main

$1,066Lufthansa

Wed, Oct 28 - Wed, Nov 4

4:40 pm - 5:45 pmSTL Lambert-St Louis-LHR London Heathrow

20h 05m1 stop Frankfurt am Main

1:30 pm - 11:24 pmLHR London Heathrow-STL Lambert-St Louis

15h 54m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,076Lufthansa

Wed, Oct 28 - Wed, Nov 4

10:12 am - 5:05 pmSTL Lambert-St Louis-EDI Edinburgh Turnhouse

25h 53m2 stops Dallas/Fort Worth London Heathrow

11:05 am - 8:26 pmEDI Edinburgh Turnhouse-STL Lambert-St Louis

15h 21m1 stop Philadelphia

$1,116British Airways

Tue, Oct 27 - Tue, Nov 3

3:18 pm - 9:05 amSTL Lambert-St Louis-EDI Edinburgh Turnhouse

12h 47m1 stop Philadelphia

11:05 am - 8:26 pmEDI Edinburgh Turnhouse-STL Lambert-St Louis

15h 21m1 stop Philadelphia

$1,116American Airlines

Tue, Oct 27 - Tue, Nov 3

5:00 am - 7:10 amSTL Lambert-St Louis-LHR London Heathrow

21h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

1:00 pm - 3:43 pmLHR London Heathrow-STL Lambert-St Louis

32h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,117Air Canada

Tue, Oct 27 - Wed, Nov 11

4:05 pm - 8:30 amSTL Lambert-St Louis-LHR London Heathrow

11h 25m1 stop Toronto Pearson Intl

1:00 pm - 3:43 pmLHR London Heathrow-STL Lambert-St Louis

32h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,118Air Canada

Tue, Oct 27 - Tue, Nov 10

1:06 pm - 9:05 amSTL Lambert-St Louis-EDI Edinburgh Turnhouse

14h 59m2 stops Chicago O'Hare Intl Philadelphia

11:05 am - 9:57 pmEDI Edinburgh Turnhouse-STL Lambert-St Louis

16h 52m2 stops Philadelphia Charlotte Douglas

$1,120American Airlines

Tue, Oct 27 - Tue, Nov 3

5:34 pm - 12:00 pmSTL Lambert-St Louis-LHR London Heathrow

13h 26m1 stop Chicago O'Hare Intl

5:30 pm - 4:59 pmLHR London Heathrow-STL Lambert-St Louis

29h 29m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,124United Airlines

Mon, Oct 26 - Mon, Nov 2

Cheap direct flights

Enter your travel dates to find the best prices.

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$917British Airways

Tue, Mar 30 - Tue, Apr 6

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$918British Airways

Tue, Mar 30 - Tue, Apr 6

9:40 pm - 11:40 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$920Finnair

Sun, Apr 11 - Wed, Apr 14

9:40 pm - 11:40 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$920Finnair

Sun, Apr 4 - Wed, Apr 7

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$947British Airways

Wed, Mar 31 - Tue, Apr 6

9:40 pm - 11:40 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$947British Airways

Sun, Mar 28 - Fri, Apr 9

9:40 pm - 11:40 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$947British Airways

Sun, Mar 28 - Tue, Apr 6

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$948American Airlines

Tue, Mar 30 - Tue, Apr 6

9:25 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 10mnonstop

2:00 pm - 5:00 pmLHR London Heathrow-STL Lambert-St Louis

9h 00mnonstop

$1,047Finnair

Thu, Apr 15 - Sat, Apr 24

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

$6,511Multiple Airlines

Fri, Apr 2 - Wed, Apr 7

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Scandinavian Airlines flights from St. Louis to United Kingdom

Our best Scandinavian Airlines deals on St. Louis to United Kingdom flight tickets

Scandinavian Airlines

Nov 30

STL12:29 pmLambert-St Louis

21h 31m

2 stops

LHR4:00 pmLondon Heathrow

Dec 9

LHR6:40 amLondon Heathrow

23h 25m

2 stops

STL12:05 amLambert-St Louis

$937

Scandinavian Airlines

Nov 2

STL2:25 pmLambert-St Louis

21h 15m

2 stops

LHR5:40 pmLondon Heathrow

Nov 6

LHR6:40 amLondon Heathrow

23h 14m

2 stops

STL11:54 pmLambert-St Louis

$1,024

Scandinavian Airlines

Nov 2

STL12:00 pmLambert-St Louis

22h 00m

2 stops

LHR4:00 pmLondon Heathrow

Nov 8

LHR6:40 pmLondon Heathrow

33h 02m

2 stops

STL9:42 pmLambert-St Louis

$1,025

Lufthansa flights from St. Louis to United Kingdom

Our best Lufthansa deals on St. Louis to United Kingdom flight tickets

Lufthansa

Jan 20

STL6:45 pmLambert-St Louis

15h 30m

2 stops

MAN4:15 pmManchester

Jan 22

MAN6:00 amManchester

13h 45m

1 stop

STL1:45 pmLambert-St Louis

$751

Lufthansa

Mar 14

STL4:40 pmLambert-St Louis

21h 55m

2 stops

LHR7:35 pmLondon Heathrow

Mar 16

LHR11:10 amLondon Heathrow

17h 09m

2 stops

STL11:19 pmLambert-St Louis

$842

Lufthansa

Mar 14

STL4:40 pmLambert-St Louis

23h 20m

2 stops

LHR9:00 pmLondon Heathrow

Mar 16

LHR3:30 pmLondon Heathrow

28h 15m

1 stop

STL2:45 pmLambert-St Louis

$863

momondo Fare Finder

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

Cheapest round-trip

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Wed 11/11

6:34 pm-6:50 am

2 stops30h 16m

London Gatwick

Thu 11/19

11:00 am-11:16 pm

1 stop18h 16m

$736

Quickest round-trip

St. LouisManchester

STL Lambert-St Louis - MAN Manchester

STLMAN

Lambert-St Louis

Wed 1/20

6:45 pm-4:15 pm

2 stops15h 30m

Manchester

Fri 1/22

6:00 am-1:45 pm

1 stop13h 45m

$751

St. LouisManchester

STL Lambert-St Louis - MAN Manchester

STLMAN

Lambert-St Louis

Wed 1/20

4:05 pm-8:45 am

1 stop10h 40m

Manchester

Fri 1/22

6:10 am-7:27 pm

2 stops19h 17m

$771

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Mon 1/11

8:45 pm-5:50 am

1 stop27h 05m

London Gatwick

Wed 1/20

9:45 am-4:58 pm

2 stops37h 13m

$772

St. LouisManchester

STL Lambert-St Louis - MAN Manchester

STLMAN

Lambert-St Louis

Wed 1/20

8:30 am-10:20 am

2 stops19h 50m

Manchester

Fri 1/22

6:10 am-5:50 pm

2 stops17h 40m

$775

St. LouisEdinburgh

STL Lambert-St Louis - EDI Edinburgh Turnhouse

STLEDI

Lambert-St Louis

Mon 3/22

5:43 pm-3:15 pm

2 stops16h 32m

Edinburgh Turnhouse

Tue 3/30

11:25 am-9:09 pm

1 stop15h 44m

$841

St. LouisEdinburgh

STL Lambert-St Louis - EDI Edinburgh Turnhouse

STLEDI

Lambert-St Louis

Mon 3/22

12:08 pm-10:10 am

2 stops17h 02m

Edinburgh Turnhouse

Tue 3/30

11:25 am-9:09 pm

1 stop15h 44m

$841

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Sun 3/14

4:40 pm-7:35 pm

2 stops21h 55m

London Heathrow

Tue 3/16

11:10 am-11:19 pm

2 stops17h 09m

$842

St. LouisInverness

STL Lambert-St Louis - INV Inverness

STLINV

Lambert-St Louis

Tue 12/8

9:59 am-9:30 am

2 stops17h 31m

Inverness

Tue 12/15

12:45 pm-10:17 pm

2 stops15h 32m

$843

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Wed 3/24

12:08 pm-8:15 am

1 stop15h 07m

London Heathrow

Wed 3/31

12:20 pm-9:54 am

2 stops27h 34m

$891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to United Kingdom?

In general, March 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 $809. If you aren’t able to travel to United Kingdom during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $846.

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 Thursday when prices can be found for as low as $931. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $1,278.

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 from St. Louis to the 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 $1,045 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 $880 on momondo.

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

There are 3 cabin classes available to choose from on 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 30% 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	$311
Fastest flight time	8h 00m
Direct flights	Mon, Wed, Thu, Fri and Sat
Airports in United Kingdom	1,285 airports

The best one-way flight to United Kingdom from St. Louis in the past 72 hours is $311. The best round-trip flight deal from St. Louis to United Kingdom found on momondo in the last 72 hours is $736.

The fastest flight from St. Louis to United Kingdom takes 8h 00m

Direct flights go from St. Louis to United Kingdom on Monday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 1,285 airports in United Kingdom. From St. Louis there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from St. Louis to the United Kingdom

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?
There are 8 operators available for flights from Lambert-St Louis Airport to United Kingdom as of October 2026.
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?
Based on momondo bookings for flights between St. Louis and United Kingdom, the leading plane model is Boeing 787-8 Dreamliner, making up 96.43% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 1.43%, Boeing 787 Dreamliner with 1.07%, and Airbus A330-300 with 0.71%.

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
Delta	PriceFrom $238	Free Cancellation	Rating 7.8 8,677 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $324	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $582	Free Cancellation	Rating 6.7 8,270 reviews	Search British Airways flights
Lufthansa	PriceFrom $619	Free Cancellation	Rating 6.8 8,294 reviews	Search Lufthansa flights
Iberia	PriceFrom $646	Free Cancellation	Rating 7.0 3,244 reviews	Search Iberia flights
United Airlines	PriceFrom $649	Free Cancellation	Rating 7.3 10,424 reviews	Search United Airlines flights
American Airlines	PriceFrom $649	Free Cancellation	Rating 7.0 12,193 reviews	Search American Airlines flights
Air Canada	PriceFrom $726	Free Cancellation	Rating 7.1 11,801 reviews	Search Air Canada 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

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in the United Kingdom

Flights to Londonfrom $390

Flights to Manchesterfrom $494

Flights to Edinburghfrom $410

Flights to Glasgowfrom $494

Flights to Birminghamfrom $524

Flights to Newcastle upon Tynefrom $556

Flights to Belfastfrom $751

Flights to Bristolfrom $576

Flights to Invernessfrom $658

Flights to Leedsfrom $652

Flights to Aberdeenfrom $706

Flights to Liverpoolfrom $511

Cheap flights from St. Louis to the United Kingdom from $311

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 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from St. Louis to the United Kingdom

Cheap round-trip flights

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Cheap last minute flights

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Big names and deals

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Scandinavian Airlines flights from St. Louis to United Kingdom

Our best Scandinavian Airlines deals on St. Louis to United Kingdom flight tickets

Lufthansa flights from St. Louis to United Kingdom

Our best Lufthansa deals on St. Louis to United Kingdom flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to the United Kingdom that are best for you.

See travel insights to the United Kingdom from

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

What is the cheapest month to fly to United Kingdom?

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

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

How far in advance should I book a flight from St. Louis to the United Kingdom?

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

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

What is the cheapest airline that flies from Lambert-St Louis to United Kingdom?

What airlines fly to United Kingdom?

How often are flights from St. Louis to the United Kingdom delayed?

What is the most punctual flight time for St. Louis to the United Kingdom flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on St. Louis to the United Kingdom flights?

How many flights depart from St. Louis to United Kingdom on average per week?

Cheap St. Louis to United Kingdom flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in United Kingdom

Frequently asked questions about flying from St. Louis to the 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

St. Louis flight routes

According to popular flight searches on momondo this year

United Kingdom flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United Kingdom

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United Kingdom

List of cabin classes available on flights landing in the United Kingdom. Availability may vary depending on flight origin and airline.

Complete your trip to the United Kingdom

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