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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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
19 Apr — 26 Apr1
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 20 March 2026.

Tue 14/416:05
STL
-
LGW
2 stops23h 10m
Multiple Airlines
Tue 21/420:35
LGW
-
STL
2 stops24h 50m
Multiple Airlines
Deal found 15/3£536
Sun 19/416:59
STL
-
LGW
1 stop35h 01m
Multiple Airlines
Wed 29/414:00
LGW
-
STL
2 stops26h 26m
Multiple Airlines
Deal found 16/3£558
Mon 23/307:47
STL
-
LGW
1 stop21h 13m
Multiple Airlines
Tue 7/414:00
LGW
-
STL
1 stop15h 25m
Multiple Airlines
Deal found 16/3£579
Wed 29/416:05
STL
-
LGW
2 stops19h 50m
Multiple Airlines
Wed 6/509:20
LGW
-
STL
2 stops16h 44m
Multiple Airlines
Deal found 15/3£584
Tue 14/413:02
STL
-
LGW
2 stops14h 23m
Delta
Tue 21/410:35
LGW
-
STL
2 stops16h 44m
Delta
Deal found 16/3£589
Tue 21/416:59
STL
-
LGW
1 stop35h 01m
Multiple Airlines
Wed 29/414:00
LGW
-
STL
2 stops26h 26m
Multiple Airlines
Deal found 16/3£590
Mon 23/320:12
STL
-
LGW
2 stops32h 48m
Multiple Airlines
Wed 15/414:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Deal found 19/3£593
Wed 29/409:10
STL
-
LGW
2 stops17h 30m
American Airlines
Wed 6/512:20
LGW
-
STL
2 stops17h 26m
American Airlines
Deal found 15/3£596

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 20 March 2026.

Round-trip from

£536

One-way from

£298

Popular in

June

Cheapest in

February

Average price

£600
14/4-21/4
  • 14/4-21/4
  • 4 total stops
  • 48h 00m total
  • St. Louis to London
Search Deals
28/7
  • 28/7
  • 2 total stops
  • 25h 50m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 20 March 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

Mon 30/3

07:45-09:55

2 stops20h 10m

London Gatwick

Fri 10/4

10:50-21:13

2 stops40h 23m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 15/4

07:45-09:55

2 stops20h 10m

London Gatwick

Mon 20/4

17:35-21:13

2 stops33h 38m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:45-13:10

2 stops23h 25m

London Gatwick

Wed 8/4

07:25-21:13

2 stops19h 48m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 13/4

07:45-09:55

2 stops44h 10m

London Gatwick

Tue 28/4

10:50-21:13

2 stops40h 23m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:45-09:55

2 stops20h 10m

London Gatwick

Tue 14/4

10:50-21:13

2 stops40h 23m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 16/4

07:45-13:10

2 stops47h 25m

London Gatwick

Wed 29/4

07:25-21:13

2 stops19h 48m

£788

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:45-22:25

2 stops32h 40m

London Gatwick

Tue 7/4

07:00-21:13

2 stops44h 13m

£788

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 9/9

17:32-16:35

2 stops41h 03m

London Gatwick

Wed 16/9

07:05-21:22

2 stops20h 17m

£889
Fastest return journey

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 13/4

08:41-10:00

1 stop19h 19m

London Gatwick

Sat 18/4

14:00-23:19

1 stop15h 19m

£904

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 15/8

17:32-16:35

2 stops41h 03m

London Gatwick

Sat 22/8

07:10-21:22

2 stops20h 12m

£956

Flights are sorted by cheapest return flights first.

Deals found on 15/3

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?

    Turkish Airlines can get you from St. Louis to London Gatwick Airport in just under 20h 10m. Your travel time can differ by up to . There are 4207 mi between St. Louis and London Gatwick Airport.

  • 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
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Gatwick?

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

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