Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to the United Kingdom from £218

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 6/2. 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.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:22 - 12:20
STL
-
MAN
18h 58m2 stops
Lufthansa Logo
06:05 - 13:55
MAN
-
STL
13h 50m1 stop
£441Lufthansa
Fri, 23 Jan - Fri, 30 Jan
Lufthansa Logo
15:50 - 12:20
STL
-
MAN
14h 30m1 stop
Lufthansa Logo
06:05 - 13:55
MAN
-
STL
13h 50m1 stop
£452Lufthansa
Fri, 23 Jan - Fri, 30 Jan
British Airways Logo
14:54 - 16:40
STL
-
GLA
19h 46m2 stops
British Airways Logo
06:35 - 22:55
GLA
-
STL
22h 20m2 stops
£453British Airways
Thu, 8 Jan - Thu, 15 Jan
British Airways Logo
14:54 - 12:10
STL
-
EDI
15h 16m2 stops
British Airways Logo
10:55 - 23:28
EDI
-
STL
18h 33m2 stops
£455British Airways
Fri, 6 Feb - Fri, 13 Feb
United Airlines Logo
09:57 - 07:55
STL
-
EDI
15h 58m2 stops
United Airlines Logo
09:25 - 22:58
EDI
-
STL
19h 33m2 stops
£462United Airlines
Fri, 30 Jan - Tue, 3 Feb
American Airlines Logo
14:54 - 10:45
STL
-
GLA
13h 51m2 stops
American Airlines Logo
06:35 - 19:29
GLA
-
STL
18h 54m2 stops
£463American Airlines
Thu, 8 Jan - Thu, 15 Jan
Delta Logo
10:13 - 10:40
STL
-
EDI
18h 27m2 stops
Delta Logo
10:45 - 20:43
EDI
-
STL
14h 58m1 stop
£464Delta
Mon, 23 Feb - Mon, 9 Mar
Delta Logo
17:00 - 10:30
STL
-
MAN
12h 30m1 stop
Delta Logo
13:30 - 08:52
MAN
-
STL
24h 22m1 stop
£465Delta
Tue, 17 Mar - Tue, 24 Mar
United Airlines Logo
08:05 - 10:20
STL
-
MAN
20h 15m2 stops
United Airlines Logo
06:10 - 22:58
MAN
-
STL
22h 48m2 stops
£477United Airlines
Fri, 30 Jan - Tue, 3 Feb
American Airlines Logo
08:13 - 09:00
STL
-
LGW
18h 47m2 stops
American Airlines Logo
11:20 - 23:12
LGW
-
STL
17h 52m2 stops
£507American Airlines
Mon, 26 Jan - Mon, 2 Feb

Air Canada flights from St. Louis to United Kingdom

Our best Air Canada deals on St. Louis to United Kingdom flight tickets
Air Canada
25 Jan
STL16:05Lambert-St Louis
10h 25m
1 stop
LHR08:30London Heathrow
10 Feb
LHR13:00London Heathrow
32h 29m
1 stop
STL15:29Lambert-St Louis
£495
Find similar
Air Canada
29 Dec
STL16:05Lambert-St Louis
22h 30m
2 stops
LHR20:35London Heathrow
12 Jan
LHR09:00London Heathrow
36h 29m
2 stops
STL15:29Lambert-St Louis
£527
Find similar
Air Canada
29 Jan
STL16:05Lambert-St Louis
10h 25m
1 stop
LHR08:30London Heathrow
10 Feb
LHR11:10London Heathrow
34h 19m
1 stop
STL15:29Lambert-St Louis
£532
Find similar

Virgin Atlantic flights from St. Louis to United Kingdom

Our best Virgin Atlantic deals on St. Louis to United Kingdom flight tickets
Virgin Atlantic
2 Jan
STL06:05Lambert-St Louis
19h 00m
1 stop
LHR07:05London Heathrow
16 Jan
LHR10:00London Heathrow
16h 43m
2 stops
STL20:43Lambert-St Louis
£514
Find similar
Virgin Atlantic
25 Dec
STL06:05Lambert-St Louis
19h 00m
1 stop
LHR07:05London Heathrow
2 Jan
LHR13:00London Heathrow
13h 41m
1 stop
STL20:41Lambert-St Louis
£1,058
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 12 December 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 23/1

11:22-12:20

2 stops18h 58m

Manchester

Fri 30/1

06:05-13:55

1 stop13h 50m

£441

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Fri 23/1

15:50-12:20

1 stop14h 30m

Manchester

Fri 30/1

06:05-13:55

1 stop13h 50m

£452

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 8/1

14:54-16:40

2 stops19h 46m

Glasgow Intl

Thu 15/1

06:35-22:55

2 stops22h 20m

£453

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 6/2

14:54-12:10

2 stops15h 16m

Edinburgh Turnhouse

Fri 13/2

10:55-23:28

2 stops18h 33m

£455

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 30/1

09:57-07:55

2 stops15h 58m

Edinburgh Turnhouse

Tue 3/2

09:25-22:58

2 stops19h 33m

£462

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 8/1

14:54-10:45

2 stops13h 51m

Glasgow Intl

Thu 15/1

06:35-19:29

2 stops18h 54m

£463

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Mon 23/2

10:13-10:40

2 stops18h 27m

Edinburgh Turnhouse

Mon 9/3

10:45-20:43

1 stop14h 58m

£464

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Tue 17/3

17:00-10:30

1 stop12h 30m

Manchester

Tue 24/3

13:30-08:52

1 stop24h 22m

£465

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Fri 30/1

08:05-10:20

2 stops20h 15m

Manchester

Tue 3/2

06:10-22:58

2 stops22h 48m

£477

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 26/1

08:13-09:00

2 stops18h 47m

London Gatwick

Mon 2/2

11:20-23:12

2 stops17h 52m

£507

Flights are sorted by cheapest return 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?

The cheapest month to fly to United Kingdom from St. Louis is in November. Flight prices, which tend to average around £529, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of November, then departing from St. Louis during the month October is also very affordable. Most momondo users find prices during this month for around £538.

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 Saturday. Travellers who choose to depart for United Kingdom on a Saturday will often find tickets for as low as £632. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to United Kingdom for around £946.

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

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £608. Try not to purchase tickets at midday because they tend to be around £913. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £661 when searching weeks before you fly. 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 £574 on momondo.

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

You could potentially save up to 18% 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

Fastest flight time

8h 05m

Direct flights

Mon, Wed, Thu and Sat

Airports in United Kingdom

1,286 airports
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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 £367Free CancellationRating
7.7
1,432 reviews
Search KLM flights
Virgin AtlanticPriceFrom £410Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £433Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
Air CanadaPriceFrom £437Free CancellationRating
7.1
10,518 reviews
Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to United Kingdom for you.

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

All flight searches from St. Louis to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential St. Louis to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from St. Louis and alert you when they change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organise 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
Sun 11/1
Sun 18/1
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 £34
Flights to Manchesterfrom £32
Flights to Birminghamfrom £31
Flights to Edinburghfrom £32
Flights to Belfastfrom £28
Flights to Glasgowfrom £30
Flights to Bristolfrom £30
Flights to Newcastle upon Tynefrom £44
Flights to Aberdeenfrom £42
Flights to Leedsfrom £33
Flights to Liverpoolfrom £30
Flights to Invernessfrom £34