Cheap flights from London Gatwick Airport to St. Louis from £237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to St. Louis departing on 22/1. 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

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Find the cheapest flights from London Gatwick Airport to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:33
LGW
-
STL
15h 33m1 stop
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£360Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 23:33
LGW
-
STL
15h 33m1 stop
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£366Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 06:51
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£404Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 10:23
LGW
-
STL
26h 23m1 stop
Multiple Airlines Logo
17:42 - 10:00
STL
-
LGW
34h 18m1 stop
£411Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
14:00 - 06:51
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£414Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 06:51
LGW
-
STL
46h 51m2 stops
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£425Multiple Airlines
Mon, 12 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 22:34
LGW
-
STL
14h 34m1 stop
Multiple Airlines Logo
08:39 - 10:00
STL
-
LGW
19h 21m1 stop
£432Multiple Airlines
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
14:00 - 22:33
LGW
-
STL
14h 33m1 stop
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£435Multiple Airlines
Mon, 12 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 06:51
LGW
-
STL
46h 51m2 stops
Multiple Airlines Logo
10:16 - 10:00
STL
-
LGW
17h 44m1 stop
£443Multiple Airlines
Mon, 12 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:00 - 06:51
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
17:42 - 10:00
STL
-
LGW
34h 18m1 stop
£455Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to St. Louis 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 16 December 2025.
Use the filters below to find and compare flights from London Gatwick Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-23:33

1 stop15h 33m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£360

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-23:33

1 stop15h 33m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£366

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-06:51

2 stops22h 51m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£404

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 29/1

14:00-10:23

1 stop26h 23m

Lambert-St Louis

Thu 5/2

17:42-10:00

1 stop34h 18m

£411

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-06:51

2 stops22h 51m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£414

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 12/1

14:00-06:51

2 stops46h 51m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£425

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 16/1

14:00-22:34

1 stop14h 34m

Lambert-St Louis

Mon 19/1

08:39-10:00

1 stop19h 21m

£432

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 12/1

14:00-22:33

1 stop14h 33m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£435

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 12/1

14:00-06:51

2 stops46h 51m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£443

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 29/1

14:00-06:51

2 stops22h 51m

Lambert-St Louis

Thu 5/2

17:42-10:00

1 stop34h 18m

£455

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

How to get the cheapest flight ticket from London Gatwick Airport 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 day to depart on your flight to St. Louis?

Our data shows that Sunday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £610. Flights from London Gatwick Airport to St. Louis on a Thursday will generally be more expensive and average around £684. 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 London Gatwick Airport 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 £562. In contrast, the most expensive time of day to depart to St. Louis is in the morning when prices are around £661.

When to book flights from London Gatwick Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to St. Louis (LGW to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to St. Louis

Fastest flight time

14h 19m

Direct flights

None
The fastest flight from London Gatwick Airport to St. Louis takes 14h 19m
There are no direct flights from London Gatwick Airport to St. Louis. There are no popular flight routes from London Gatwick Airport to St. Louis.
  • How far is London Gatwick to Lambert-St Louis by plane?

    London Gatwick and Lambert-St Louis are 4206.2 mi apart from one another. Flights usually cover this in 14h 19m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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 London Gatwick Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Gatwick Airport to St. Louis?

Best airlines flying from London Gatwick Airport to St. Louis

Compare and see reviews for airlines that fly from London Gatwick Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £609Free CancellationRating
7.6
1,337 reviews
Search Finnair flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Collinsville
St. Charles

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

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

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

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