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Cheap flights from the United Kingdom to St. Louis from £343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to St. Louis departing on 15/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to St. Louis

Cheap return flights

These are some of the best return flight deals from the United Kingdom to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United Kingdom to St. Louis.

Cheap last-minute flights

Planning a quick getaway from the United Kingdom to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals to St. Louis

Find recent round-trip train or bus tickets from the United Kingdom to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
10:05 - 17:22LHR-STL
13h 17m1 stop
16:44 - 09:40STL-LHR
34h 56m1 stop
£595Finnair
Find Deal
Mon, 27 Jan - Sun, 2 Feb
12:35 - 22:28LHR-STL
15h 53m1 stop
14:15 - 09:15STL-LHR
13h 00m1 stop
£596Finnair
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Mon, 13 Jan - Tue, 21 Jan
18:00 - 15:06LHR-STL
27h 06m1 stop
16:36 - 10:10STL-LHR
35h 34m2 stops
£787Lufthansa
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Mon, 27 Jan - Sun, 2 Feb
18:00 - 14:14LHR-STL
26h 14m2 stops
17:30 - 05:55STL-LHR
30h 25m2 stops
£791Lufthansa
Find Deal
Mon, 27 Jan - Sun, 2 Feb
15:00 - 12:16LHR-STL
27h 16m2 stops
12:00 - 06:55STL-LHR
12h 55m1 stop
£803United Airlines
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Wed, 22 Jan - Thu, 20 Feb
18:00 - 15:06LHR-STL
27h 06m1 stop
11:28 - 06:20STL-LHR
12h 52m1 stop
£827United Airlines
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Mon, 6 Jan - Mon, 13 Jan
10:00 - 20:56LCY-STL
16h 56m2 stops
12:00 - 07:15STL-LCY
13h 15m2 stops
£839Virgin Atlantic
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Mon, 13 Jan - Tue, 21 Jan
09:20 - 20:49LCY-STL
16h 29m2 stops
19:11 - 17:20STL-LCY
16h 09m2 stops
£869Virgin Atlantic
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Mon, 10 Mar - Sun, 30 Mar
12:30 - 17:37LHR-STL
35h 07m1 stop
17:54 - 09:25STL-LHR
33h 31m1 stop
£911British Airways
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Thu, 1 May - Sat, 3 May
08:20 - 16:39LHR-STL
14h 19m1 stop
15:10 - 08:15STL-LHR
11h 05m1 stop
£945British Airways
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Sat, 4 Jan - Sun, 12 Jan
14:00 - 23:43LGW-STL
15h 43m1 stop
Sat, 15 Feb
14:00 - 23:24LGW-STL
15h 24m1 stop
Thu, 12 Dec
14:10 - 22:04LHR-STL
13h 54m1 stop
£674British Airways
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Sun, 16 Feb
09:35 - 19:45LHR-STL
16h 10m1 stop
£676British Airways
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Fri, 9 May
12:35 - 22:48LHR-STL
16h 13m1 stop
£683Finnair
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Tue, 31 Dec
12:35 - 23:51LHR-STL
17h 16m1 stop
£745Finnair
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Mon, 30 Dec
17:50 - 13:55LHR-STL
26h 05m3 stops
£813Lufthansa
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Sat, 14 Dec
18:15 - 17:51LCY-STL
29h 36m2 stops
£950Lufthansa
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Mon, 30 Dec
06:00 - 15:06MAN-STL
39h 06m2 stops
£1,413United Airlines
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Wed, 15 Jan
06:00 - 15:06MAN-STL
39h 06m2 stops
£1,420United Airlines
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Wed, 15 Jan
12:00 - 00:06LGW-STL
42h 06m2 stops
06:35 - 07:30STL-LGW
18h 55m1 stop
£1,075
Find Deal
Sun, 24 Nov - Tue, 26 Nov
10:25 - 12:10LHR-STL
31h 45m3 stops
13:00 - 17:20STL-LHR
22h 20m3 stops
£1,086
Find Deal
Sun, 24 Nov - Tue, 26 Nov
16:30 - 21:36LGW-STL
35h 06m3 stops
13:00 - 10:55STL-LGW
15h 55m3 stops
£1,093
Find Deal
Sun, 24 Nov - Tue, 26 Nov
06:00 - 11:30LHR-STL
35h 30m3 stops
06:30 - 12:50STL-LHR
24h 20m2 stops
£1,131
Find Deal
Sun, 24 Nov - Tue, 26 Nov
07:50 - 22:10LHR-STL
20h 20m2 stops
17:19 - 08:05STL-LHR
32h 46m2 stops
£1,300Aer Lingus
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Sun, 24 Nov - Tue, 26 Nov
12:25 - 00:06LHR-STL
17h 41m1 stop
22:17 - 12:50STL-LHR
32h 33m2 stops
£1,476
Find Deal
Sun, 24 Nov - Tue, 26 Nov
20:15 - 20:24LTN-STL
30h 09m3 stops
15:50 - 13:20STL-LTN
15h 30m2 stops
£1,735
Find Deal
Sun, 24 Nov - Tue, 26 Nov
16:55 - 15:39LGW-STL
52h 44m2 stops
17:40 - 21:30STL-LGW
21h 50m2 stops
£1,893Turkish Airlines
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Sun, 24 Nov - Tue, 26 Nov
14:10 - 20:15LHR-STL
12h 05m1 stop
17:19 - 06:50STL-LHR
31h 31m1 stop
£2,001British Airways
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Sun, 24 Nov - Tue, 26 Nov
17:15 - 17:15LCY-STL
30h 00m2 stops
13:05 - 16:40STL-LCY
21h 35m2 stops
£3,858Lufthansa
Find Deal
Sun, 24 Nov - Tue, 26 Nov

United Airlines flights from United Kingdom to St. Louis

Our best United Airlines deals on United Kingdom to St. Louis flight tickets
United Airlines
22 Jan
LHR15:00London Heathrow
27h 16m
2 stops
STL12:16Lambert-St Louis
20 Feb
STL12:00Lambert-St Louis
12h 55m
1 stop
LHR06:55London Heathrow
United Airlines
6 Jan
LHR18:00London Heathrow
27h 06m
1 stop
STL15:06Lambert-St Louis
13 Jan
STL11:28Lambert-St Louis
12h 52m
1 stop
LHR06:20London Heathrow
United Airlines
23 Jan
LHR18:00London Heathrow
27h 06m
1 stop
STL15:06Lambert-St Louis
26 Jan
STL16:36Lambert-St Louis
35h 34m
2 stops
LHR10:10London Heathrow

Scandinavian Airlines flights from United Kingdom to St. Louis

Our best Scandinavian Airlines deals on United Kingdom to St. Louis flight tickets
Scandinavian Airlines
29 Jan
LHR06:40London Heathrow
22h 57m
2 stops
STL23:37Lambert-St Louis
28 Feb
STL12:52Lambert-St Louis
21h 08m
2 stops
LHR16:00London Heathrow
Scandinavian Airlines
4 Apr
LHR07:05London Heathrow
19h 44m
3 stops
STL20:49Lambert-St Louis
28 Apr
STL16:00Lambert-St Louis
20h 30m
2 stops
LHR18:30London Heathrow
Scandinavian Airlines
5 Dec
LHR21:05London Heathrow
29h 59m
3 stops
STL21:04Lambert-St Louis
18 Dec
STL10:28Lambert-St Louis
29h 12m
2 stops
LHR21:40London Heathrow

See travel insights to St. Louis from

How to get the cheapest flight ticket from United Kingdom 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?

The month of January is, on average, the cheapest month to fly to St. Louis from United Kingdom, with most prices found around £573. If you’re not able to fly to St. Louis in January, then March is your next best option. Flight prices from United Kingdom to St. Louis during March average around £575.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Wednesday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £629. Flights from United Kingdom to St. Louis on a Sunday will generally be more expensive and average around £725. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Our data shows that the cheapest United Kingdom to St. Louis flights are usually those with departure times in the evening. Our users have found flights to St. Louis in the evening for as low as £596. In contrast, the most expensive time of day to depart to St. Louis is in the morning when prices are around £688.

How far in advance should I book a flight to St. Louis?

Most flyers found that booking tickets 19 days in advance of their planned departure date is the best time to get cheap flights to St. Louis. During this timeframe, flight prices are around £685. Keep in mind that you might also find cheap flights to St. Louis outside of this time window. In fact, momondo users recently found flights from United Kingdom to St. Louis for £422.

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

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to St. Louis flight.

Cheap United Kingdom to St. Louis flight deals and tips

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

Best price found

£343

Fastest flight time

12h 03m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from United Kingdom in the past 72 hours is £343. The best return flight deal from United Kingdom to St. Louis found on momondo in the last 72 hours is £595.
The fastest flight from United Kingdom to St. Louis takes 12h 03m
There are no direct flights from United Kingdom to St. Louis. Popular non-direct routes for this connection are London Heathrow Airport - Lambert-St Louis Airport, London Gatwick Airport - Lambert-St Louis Airport and London Stansted Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from United Kingdom to St. Louis

Compare and see reviews for airlines that fly from United Kingdom to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £462Free CancellationRating
7.0
8,254 reviews
Search Air Canada flights
United AirlinesPriceFrom £471Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £471Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £498Free CancellationRating
7.7
1,299 reviews
Search Finnair flights
IberiaPriceFrom £561Free CancellationRating
7.0
2,665 reviews
Search Iberia flights
British AirwaysPriceFrom £632Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
LufthansaPriceFrom £703Free CancellationRating
6.8
7,146 reviews
Search Lufthansa flights
Aer LingusPriceFrom £765Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
KLMPriceFrom £778Free CancellationRating
7.8
1,346 reviews
Search KLM flights
DeltaPriceFrom £839Free CancellationRating
8.0
8,747 reviews
Search Delta flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for United Kingdom to St. Louis flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from United Kingdom.

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

Price alerts on flights to St. Louis from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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