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Cheap flights from St. Louis to London Gatwick Airport from £298

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Gatwick
Explore the most affordable flight options available from St. Louis to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Mon 20/720:21
STL
-
LGW
2 stops55h 39m
Multiple Airlines
Fri 28/814:00
LGW
-
STL
1 stop16h 14m
Multiple Airlines
Deal found 12/4£590
Sun 24/516:19
STL
-
LGW
1 stop35h 41m
Multiple Airlines
Thu 4/614:00
LGW
-
STL
2 stops35h 23m
Multiple Airlines
Deal found 16/4£622
Mon 25/516:19
STL
-
LGW
1 stop35h 41m
Multiple Airlines
Mon 1/614:00
LGW
-
STL
1 stop15h 57m
Multiple Airlines
Deal found 13/4£626
Sun 27/907:32
STL
-
LGW
2 stops17h 23m
American Airlines
Tue 6/1012:20
LGW
-
STL
2 stops17h 11m
American Airlines
Deal found 16/4£637
Mon 18/517:27
STL
-
LGW
2 stops30h 53m
Multiple Airlines
Wed 27/514:00
LGW
-
STL
1 stop15h 57m
Multiple Airlines
Deal found 13/4£641
Tue 28/416:59
STL
-
LGW
1 stop35h 01m
Multiple Airlines
Wed 6/514:00
LGW
-
STL
2 stops32h 54m
Multiple Airlines
Deal found 14/4£648
Mon 18/517:27
STL
-
LGW
2 stops30h 53m
Multiple Airlines
Fri 29/514:00
LGW
-
STL
1 stop15h 57m
Multiple Airlines
Deal found 13/4£654
Fri 1/520:23
STL
-
LGW
2 stops27h 57m
Multiple Airlines
Fri 8/514:00
LGW
-
STL
1 stop16h 21m
Multiple Airlines
Deal found 12/4£655
Mon 18/517:27
STL
-
LGW
2 stops30h 53m
Multiple Airlines
Thu 28/514:00
LGW
-
STL
1 stop15h 57m
Multiple Airlines
Deal found 13/4£662
Mon 4/520:23
STL
-
LGW
2 stops27h 57m
Multiple Airlines
Fri 8/514:00
LGW
-
STL
1 stop16h 21m
Multiple Airlines
Deal found 14/4£663

Find flight deals from St. Louis to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 April 2026.

Round-trip from

£590

One-way from

£298

Popular in

June

Cheapest in

January

Average price

£548
20/7-28/8
  • 20/7-28/8
  • 3 total stops
  • 71h 53m total
  • St. Louis to London
Search Deals
7/7
  • 7/7
  • 2 total stops
  • 36h 27m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£162 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from St. Louis to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 9/5

11:25-09:20

2 stops15h 55m

London Gatwick

Fri 22/5

10:25-21:09

2 stops16h 44m

£691

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 4/8

10:51-09:25

2 stops16h 34m

London Gatwick

Sat 15/8

10:25-23:37

2 stops43h 12m

£764

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 27/4

07:45-13:10

2 stops23h 25m

London Gatwick

Mon 4/5

17:35-21:13

2 stops33h 38m

£827

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 15/9

17:32-22:25

2 stops22h 53m

London Gatwick

Tue 22/9

07:25-21:22

2 stops43h 57m

£863

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 5/8

10:51-09:25

2 stops16h 34m

London Gatwick

Mon 10/8

10:25-15:57

2 stops35h 32m

£909

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 23/9

17:32-22:25

2 stops46h 53m

London Gatwick

Wed 30/9

07:05-14:18

2 stops37h 13m

£951

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 15/9

17:32-22:25

2 stops22h 53m

London Gatwick

Wed 23/9

17:35-14:18

2 stops50h 43m

£951

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 4/8

10:51-09:25

2 stops16h 34m

London Gatwick

Sun 9/8

10:25-15:57

2 stops35h 32m

£962

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 5/8

10:51-09:25

2 stops16h 34m

London Gatwick

Sun 9/8

10:25-15:57

2 stops35h 32m

£962

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 17/8

17:32-09:55

2 stops34h 23m

London Gatwick

Mon 24/8

07:05-21:22

2 stops44h 17m

£985

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from St. Louis to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to London Gatwick?

    For a flight from St. Louis to London Gatwick, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to London Gatwick Airport?

    Delta and Turkish Airlines can get you from St. Louis to London Gatwick Airport in just under 15h 55m. Your travel time can differ by up to 7h 30m. There are 4207 mi between St. Louis and London Gatwick Airport. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Gatwick that include hotel bookings?

    Yes. In addition to deals on St. Louis to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Gatwick.

  • Can I find deals for business class flights from St. Louis to Gatwick?

    Yes. Cheapflights offers flight deals from St. Louis to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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Need flexible booking options for your flight to Gatwick from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Gatwick become cheaper?

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