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Cheap flights from St. Louis to London Gatwick Airport from £306

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
3 May — 10 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 3 April 2026.

Wed 22/420:23
STL
-
LGW
2 stops27h 57m
Multiple Airlines
Mon 27/414:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Deal found 29/3£604
Fri 24/416:59
STL
-
LGW
1 stop35h 01m
Multiple Airlines
Sun 3/514:00
LGW
-
STL
2 stops22h 50m
Multiple Airlines
Deal found 29/3£620
Sat 25/420:17
STL
-
LGW
2 stops31h 43m
Multiple Airlines
Sun 3/514:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Deal found 29/3£640
Tue 28/410:24
STL
-
LGW
2 stops16h 16m
American Airlines
Tue 5/510:45
LGW
-
STL
2 stops19h 01m
American Airlines
Deal found 29/3£657
Mon 6/410:12
STL
-
LGW
2 stops17h 28m
Air France
Tue 14/410:35
LGW
-
STL
2 stops16h 44m
Air France
Deal found 2/4£665
Wed 15/412:23
STL
-
LGW
2 stops15h 02m
Multiple Airlines
Fri 24/410:25
LGW
-
STL
2 stops19h 11m
Multiple Airlines
Deal found 31/3£668
Wed 22/413:03
STL
-
LGW
2 stops20h 57m
Air France
Mon 27/417:00
LGW
-
STL
2 stops29h 42m
Air France
Deal found 30/3£678
Fri 1/520:23
STL
-
LGW
2 stops27h 57m
Multiple Airlines
Fri 8/514:00
LGW
-
STL
1 stop16h 21m
Multiple Airlines
Deal found 29/3£689

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 3 April 2026.

Round-trip from

£604

One-way from

£306

Popular in

June

Cheapest in

February

Average price

£522
22/4-27/4
  • 22/4-27/4
  • 3 total stops
  • 43h 16m total
  • St. Louis to London
Search Deals
26/7
  • 26/7
  • 2 total stops
  • 32h 34m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£106 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 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 3 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

Mon 17/8

13:30-16:00

2 stops20h 30m

London Gatwick

Mon 24/8

10:25-23:37

2 stops19h 12m

£706
Fastest return journey

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 22/4

13:03-09:25

2 stops14h 22m

London Gatwick

Mon 27/4

10:25-21:19

2 stops16h 54m

£707

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 11/5

11:25-09:40

2 stops16h 15m

London Gatwick

Sat 6/6

10:25-21:29

2 stops17h 04m

£770

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 12/5

16:25-09:25

2 stops35h 00m

London Gatwick

Fri 29/5

10:25-21:29

2 stops17h 04m

£782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 12/5

16:25-09:25

2 stops35h 00m

London Gatwick

Mon 25/5

10:25-21:29

2 stops41h 04m

£791

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 22/4

08:21-09:55

2 stops19h 34m

London Gatwick

Mon 27/4

14:05-21:13

2 stops37h 08m

£835

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 22/4

07:45-22:30

2 stops32h 45m

London Gatwick

Sun 26/4

07:00-21:13

2 stops20h 13m

£850

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 15/8

17:32-09:55

2 stops34h 23m

London Gatwick

Sat 29/8

14:05-21:22

2 stops37h 17m

£986

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 17/8

17:32-09:55

2 stops34h 23m

London Gatwick

Sun 23/8

07:30-21:22

2 stops19h 52m

£993

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 23/6

06:00-09:55

2 stops21h 55m

London Gatwick

Tue 30/6

14:05-21:26

2 stops37h 21m

£1,052

Flights are sorted by cheapest return flights first.

Deals found on 2/4

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to London Gatwick Airport

How much does it cost for a return flight from St. Louis to London Gatwick Airport?

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 can get you from St. Louis to London Gatwick Airport in just under 20h 30m. 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
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Bedford
Chelmsford
Ipswich
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 find flights from St. Louis to Gatwick with no change fees?

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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