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

2 flights are operational daily from St. Louis to United Kingdom as of May 2026. The most popular departure time for this route is 21:00, with 100% of flights per day taking off in the evening.

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

The number of flights available between St. Louis and United Kingdom is 15 per week as of May 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.

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

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Lambert-St Louis to 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?

The number of operators available for flights from Lambert-St Louis Airport to United Kingdom is 2 as of May 2026.

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.

£149 Cheap Flights from St. Louis to the United Kingdom in 2026

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

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:15 - 09:00

STL

MAN

10h 45m

1 stop

06:10 - 19:25

MAN

STL

19h 15m

2 stops

£577United Airlines

seg, 9 nov - qua, 11 nov

07:30 - 09:00

STL

MAN

19h 30m

2 stops

06:10 - 22:54

MAN

STL

22h 44m

2 stops

£581United Airlines

seg, 9 nov - qua, 11 nov

12:10 - 06:30

STL

MAN

36h 20m

2 stops

06:05 - 18:41

MAN

STL

18h 36m

2 stops

£584Air Canada

seg, 5 out - qui, 8 out

18:49 - 17:35

STL

MAN

40h 46m

2 stops

11:05 - 13:25

MAN

STL

32h 20m

1 stop

£617Lufthansa

seg, 5 out - qui, 8 out

12:10 - 17:30

STL

EDI

23h 20m

2 stops

07:55 - 13:25

EDI

STL

35h 30m

2 stops

£620Multiple Airlines

seg, 7 set - seg, 14 set

08:55 - 17:30

STL

EDI

26h 35m

3 stops

21:25 - 13:25

EDI

STL

22h 00m

2 stops

£636Multiple Airlines

seg, 7 set - seg, 14 set

21:35 - 14:40

STL

EDI

11h 05m

1 stop

13:10 - 19:30

EDI

STL

12h 20m

1 stop

£648British Airways

qua, 14 out - ter, 20 out

21:35 - 14:40

STL

GLA

11h 05m

1 stop

13:05 - 19:30

GLA

STL

12h 25m

1 stop

£648British Airways

qua, 14 out - ter, 20 out

18:49 - 17:35

STL

MAN

40h 46m

2 stops

11:05 - 13:25

MAN

STL

32h 20m

1 stop

£652Lufthansa

seg, 5 out - qui, 8 out

08:55 - 06:30

STL

MAN

15h 35m

1 stop

09:00 - 14:18

MAN

STL

35h 18m

2 stops

£657Air Canada

ter, 22 set - qua, 30 set

Virgin Atlantic flights from St. Louis to United Kingdom

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

Virgin Atlantic

20 Aug

STL11:00Lambert-St Louis

13h 25m

1 stop

LHR06:25London Heathrow

27 Aug

LHR06:30London Heathrow

15h 47m

2 stops

STL16:17Lambert-St Louis

£680

Virgin Atlantic

20 Aug

STL11:00Lambert-St Louis

14h 10m

2 stops

LHR07:10London Heathrow

27 Aug

LHR06:30London Heathrow

17h 08m

2 stops

STL17:38Lambert-St Louis

£682

Virgin Atlantic

1 Sept

STL11:51Lambert-St Louis

12h 34m

1 stop

LHR06:25London Heathrow

5 Sept

LHR11:15London Heathrow

12h 47m

1 stop

STL18:02Lambert-St Louis

£697

Scandinavian Airlines flights from St. Louis to United Kingdom

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

Scandinavian Airlines

5 Oct

STL15:42Lambert-St Louis

23h 58m

2 stops

LHR21:40London Heathrow

16 Oct

LHR21:05London Heathrow

29h 44m

3 stops

STL20:49Lambert-St Louis

£680

Scandinavian Airlines

13 Sept

STL15:42Lambert-St Louis

19h 58m

2 stops

LHR17:40London Heathrow

19 Sept

LHR06:40London Heathrow

20h 10m

2 stops

STL20:50Lambert-St Louis

£735

Scandinavian Airlines

12 Oct

STL15:42Lambert-St Louis

18h 18m

2 stops

LHR16:00London Heathrow

8 Nov

LHR06:40London Heathrow

20h 09m

2 stops

STL20:49Lambert-St Louis

£736

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

seg 9/11

16:15-09:00

1 stop10h 45m

Manchester

qua 11/11

06:10-19:25

2 stops19h 15m

£577

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

seg 9/11

07:30-09:00

2 stops19h 30m

Manchester

qua 11/11

06:10-22:54

2 stops22h 44m

£581

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

seg 5/10

12:10-06:30

2 stops36h 20m

Manchester

qui 8/10

06:05-18:41

2 stops18h 36m

£584

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

seg 5/10

18:49-17:35

2 stops40h 46m

Manchester

qui 8/10

11:05-13:25

1 stop32h 20m

£617

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

seg 7/9

12:10-17:30

2 stops23h 20m

Edinburgh Turnhouse

seg 14/9

07:55-13:25

2 stops35h 30m

£620

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

seg 7/9

08:55-17:30

3 stops26h 35m

Edinburgh Turnhouse

seg 14/9

21:25-13:25

2 stops22h 00m

£636

Fastest return journey

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

qua 14/10

21:35-14:40

1 stop11h 05m

Edinburgh Turnhouse

ter 20/10

13:10-19:30

1 stop12h 20m

£648

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

qua 14/10

21:35-14:40

1 stop11h 05m

Glasgow Intl

ter 20/10

13:05-19:30

1 stop12h 25m

£648

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

seg 5/10

18:49-17:35

2 stops40h 46m

Manchester

qui 8/10

11:05-13:25

1 stop32h 20m

£652

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

ter 22/9

08:55-06:30

1 stop15h 35m

Manchester

qua 30/9

09:00-14:18

2 stops35h 18m

£657

Flights are sorted by cheapest return 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

Other information

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from St. Louis is in April. Flight prices, which tend to average around £87, 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 April, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around £176.

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 Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £471. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to United Kingdom for around £895.

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 £637 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 £518 on momondo.

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

You could potentially save up to 2% 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 00m
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 00m

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

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?
The number of operators available for flights from Lambert-St Louis Airport to United Kingdom is 2 as of May 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to United Kingdom is Boeing 787-8 Dreamliner, representing 98.01% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 1.37%, Airbus A330-300 at 0.50%, and Embraer 175 at 0.12%.

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
Virgin Atlantic	PriceFrom £406	Free Cancellation	Rating 7.4 688 reviews		Search Virgin Atlantic flights
British Airways	PriceFrom £428	Free Cancellation	Rating 6.7 7,979 reviews		Search British Airways 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.