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Flights to Lambert-St Louis

£330 Cheap flights to St. Louis

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

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Scandinavian Airlines Logo
09:35 - 23:54MAN  Manchester-STL Lambert-St Louis
20h 19m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
15:40 - 08:55STL  Lambert-St Louis-MAN Manchester
35h 15m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£588Scandinavian Airlines
Tue, 13 Oct - Mon, 5 Apr
Scandinavian Airlines Logo
09:35 - 23:42MAN  Manchester-STL Lambert-St Louis
20h 07m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
14:25 - 18:30STL  Lambert-St Louis-MAN Manchester
22h 05m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£592Scandinavian Airlines
Mon, 5 Oct - Mon, 12 Oct
Air Canada Logo
08:45 - 18:41LHR  London Heathrow-STL Lambert-St Louis
15h 56m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
14:40 - 10:00STL  Lambert-St Louis-LHR London Heathrow
13h 20m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
£632Air Canada
Thu, 15 Oct - Wed, 21 Oct
Air Canada Logo
08:40 - 18:41LHR  London Heathrow-STL Lambert-St Louis
16h 01m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 - 09:35STL  Lambert-St Louis-LHR London Heathrow
15h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
£632Air Canada
Wed, 14 Oct - Wed, 21 Oct
Iberia Logo
11:05 - 20:26EDI  Edinburgh Turnhouse-STL Lambert-St Louis
15h 21m1 stop Philadelphia
Iberia Logo
13:21 - 09:05STL  Lambert-St Louis-EDI Edinburgh Turnhouse
13h 44m1 stop Philadelphia
£633Iberia
Tue, 17 Nov - Mon, 30 Nov
Iberia Logo
06:25 - 00:19EDI  Edinburgh Turnhouse-STL Lambert-St Louis
22h 54m2 stops London Heathrow Chicago O'Hare Intl
Iberia Logo
13:20 - 13:15STL  Lambert-St Louis-EDI Edinburgh Turnhouse
17h 55m2 stops Chicago O'Hare Intl London Heathrow
£636Iberia
Wed, 28 Oct - Mon, 9 Nov
Virgin Atlantic Logo
16:00 - 23:56LHR  London Heathrow-STL Lambert-St Louis
13h 56m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
15:30 - 06:25STL  Lambert-St Louis-LHR London Heathrow
32h 55m1 stop Atlanta Hartsfield-Jackson
£637Virgin Atlantic
Tue, 17 Nov - Sat, 21 Nov
Finnair Logo
14:25 - 20:44LHR  London Heathrow-STL Lambert-St Louis
12h 19m1 stop Chicago O'Hare Intl
Finnair Logo
21:35 - 11:35STL  Lambert-St Louis-LHR London Heathrow
8h 00mdirect
£637Finnair
Fri, 2 Oct - Fri, 16 Oct
Virgin Atlantic Logo
10:45 - 17:19LHR  London Heathrow-STL Lambert-St Louis
12h 34m1 stop Detroit Metropolitan Wayne County
Virgin Atlantic Logo
14:25 - 11:40STL  Lambert-St Louis-LHR London Heathrow
16h 15m1 stop Atlanta Hartsfield-Jackson
£646Virgin Atlantic
Wed, 21 Oct - Wed, 28 Oct
Finnair Logo
14:25 - 20:44LHR  London Heathrow-STL Lambert-St Louis
12h 19m1 stop Chicago O'Hare Intl
Finnair Logo
21:35 - 11:35STL  Lambert-St Louis-LHR London Heathrow
8h 00mdirect
£675Finnair
Fri, 2 Oct - Fri, 16 Oct

momondo Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

ManchesterSt. Louis

MAN Manchester - STL Lambert-St Louis

MANSTL

Manchester

Tue 13/10

09:35-23:54

2 stops20h 19m

Lambert-St Louis

Mon 5/4

15:40-08:55

2 stops35h 15m

£588

ManchesterSt. Louis

MAN Manchester - STL Lambert-St Louis

MANSTL

Manchester

Mon 5/10

09:35-23:42

2 stops20h 07m

Lambert-St Louis

Mon 12/10

14:25-18:30

2 stops22h 05m

£592

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Thu 15/10

08:45-18:41

2 stops15h 56m

Lambert-St Louis

Wed 21/10

14:40-10:00

2 stops13h 20m

£632

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Wed 14/10

08:40-18:41

2 stops16h 01m

Lambert-St Louis

Wed 21/10

12:10-09:35

2 stops15h 25m

£632

EdinburghSt. Louis

EDI Edinburgh Turnhouse - STL Lambert-St Louis

EDISTL

Edinburgh Turnhouse

Tue 17/11

11:05-20:26

1 stop15h 21m

Lambert-St Louis

Mon 30/11

13:21-09:05

1 stop13h 44m

£633

EdinburghSt. Louis

EDI Edinburgh Turnhouse - STL Lambert-St Louis

EDISTL

Edinburgh Turnhouse

Wed 28/10

06:25-00:19

2 stops22h 54m

Lambert-St Louis

Mon 9/11

13:20-13:15

2 stops17h 55m

£636

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Tue 17/11

16:00-23:56

1 stop13h 56m

Lambert-St Louis

Sat 21/11

15:30-06:25

1 stop32h 55m

£637
Fastest return journey

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Fri 2/10

14:25-20:44

1 stop12h 19m

Lambert-St Louis

Fri 16/10

21:35-11:35

Nonstop8h 00m

£637

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Wed 21/10

10:45-17:19

1 stop12h 34m

Lambert-St Louis

Wed 28/10

14:25-11:40

1 stop16h 15m

£646

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Fri 2/10

14:25-20:44

1 stop12h 19m

Lambert-St Louis

Fri 16/10

21:35-11:35

Nonstop8h 00m

£675

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

St. Louis flights insights and trends

Explore insights for your St. Louis flight to craft the best travel plan

What is the cheapest month to fly to St. Louis?

The month of February is, on average, the cheapest month to fly to St. Louis from United Kingdom, with most prices found around £522. If you’re not able to fly to St. Louis in February, then January is your next best option. Flight prices from United Kingdom to St. Louis during January average around £650.

What is the absolute cheapest flight to St. Louis?

See prices from:

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

Our data shows that Saturday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £589. Flights from United Kingdom to St. Louis on a Sunday will generally be more expensive and average around £1,049. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You are more likely to see cheaper flights to St. Louis from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around £760 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from United Kingdom for as low as £640 on momondo.

Cheapest flights to Lambert-St Louis

Find the cheapest flights to Lambert-St Louis from your nearest city or airport
Find flights from London Heathrow Airport to St. Louis
CHEAPEST MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORTFebruary30% cheaperFlying from London Heathrow Airport to St. Louis costs on average just £533 in February
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORTAugust41% more expensiveIt costs about £1,077 for flights to St. Louis from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORTMay487% more users visitedMore momondo users searched in flights to St. Louis from London Heathrow Airport in May than any other month

Cheap St. Louis flight deals and tips

Summary info about St. Louis flight prices, duration and airlines

Best One-Way Price

£330

Best Round-Trip Price

£588

Fastest flight time

15h 38m

Popular in

August
The best one-way flight price to St. Louis from United Kingdom in the last 5 days is £330 (London Heathrow to Lambert-St Louis).
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The best return flight price to St. Louis from United Kingdom in the last 5 days is £588 (Manchester to Lambert-St Louis).
Search Deals
The fastest flight to St. Louis from United Kingdom takes 15h 38m (Glasgow Intl to Lambert-St Louis).
Search Deals
August has the highest demand for flights to St. Louis, with a 14% price increase on average.
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Frequently asked questions about flying to St. Louis

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

Most flyers found that booking tickets 21 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 £735. 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 £387.

Is there an alternative airport near St. Louis?

Belleville Airport, Marion Williamson County Airport or Springfield Capital Airport can be an alternative airport used for travel to St. Louis.

When did momondo last update prices for flights to Lambert-St Louis Airport?

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

How many operators does momondo search for flights to Lambert-St Louis Airport?

As of September 2026, there are 13 operators available to choose from for flights to Lambert-St Louis Airport.

How old do you have to be to fly to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Litchfield
Collinsville
Alton
Farmington

Why use momondo?

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

Finding the right flight to St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. All flights to St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 to St. Louis.

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

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

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