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Cheap flights from St. Louis to London Gatwick Airport from £183

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
8 Sep — 15 Sep1
1 adult

Cheap 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 September 2025.

Round-trip from

£462

One-way from

£183

Popular in

December

Cheapest in

May

Average price

£571
20/10-30/10
  • 20/10-30/10
  • 3 total stops
  • 59h 56m total
  • St. Louis to London
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21/10
  • 21/10
  • 3 total stops
  • 52h 28m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Gatwick

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 September 2025.

Mon 20/1020:21STL - LGW
2 stops31h 39mMultiple Airlines
Thu 30/1014:00LGW - STL
1 stop28h 17mMultiple Airlines
Deal found 2/9£462
Thu 4/1217:11STL - LGW
1 stop34h 49mMultiple Airlines
Mon 8/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£493
Sat 25/1019:15STL - LGW
2 stops29h 45mMultiple Airlines
Mon 3/1114:00LGW - STL
2 stops26h 02mMultiple Airlines
Deal found 1/9£511
Fri 5/1209:45STL - LGW
1 stop18h 15mMultiple Airlines
Tue 9/1213:00LGW - STL
2 stops52h 01mMultiple Airlines
Deal found 2/9£511
Wed 3/1217:11STL - LGW
1 stop34h 49mMultiple Airlines
Thu 11/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£512
Fri 5/1209:45STL - LGW
1 stop18h 15mMultiple Airlines
Fri 12/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£514
Mon 8/1209:45STL - LGW
1 stop18h 15mMultiple Airlines
Fri 12/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£515
Sun 7/1217:11STL - LGW
1 stop34h 49mMultiple Airlines
Thu 11/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£520
Fri 5/1218:26STL - LGW
2 stops33h 39mMultiple Airlines
Thu 11/1214:00LGW - STL
1 stop14h 46mMultiple Airlines
Deal found 2/9£527

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 September 2025.
Use the filters below to find and compare flights from St. Louis to London Gatwick Airport that are best for you.

Fly from

St. Louis

Fly to

Gatwick

Route

Depart

Return

Price

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 20/10

20:21-10:00

2 stops31h 39m

London Gatwick

Thu 30/10

14:00-13:17

1 stop28h 17m

£462

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 5/12

09:45-10:00

1 stop18h 15m

London Gatwick

Thu 11/12

14:00-08:45

1 stop24h 45m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 4/12

17:11-10:00

1 stop34h 49m

London Gatwick

Thu 11/12

14:00-22:46

1 stop14h 46m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 5/12

09:45-10:00

1 stop18h 15m

London Gatwick

Mon 8/12

14:00-22:46

1 stop14h 46m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 4/12

17:11-10:00

1 stop34h 49m

London Gatwick

Mon 8/12

14:00-22:46

1 stop14h 46m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 25/10

19:15-07:00

2 stops29h 45m

London Gatwick

Mon 3/11

14:00-10:02

2 stops26h 02m

£511

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 5/12

09:45-10:00

1 stop18h 15m

London Gatwick

Tue 9/12

13:00-11:01

2 stops52h 01m

£511

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 3/12

17:11-10:00

1 stop34h 49m

London Gatwick

Mon 8/12

14:00-22:46

1 stop14h 46m

£512

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 3/12

17:11-10:00

1 stop34h 49m

London Gatwick

Thu 11/12

14:00-22:46

1 stop14h 46m

£512

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 5/12

09:45-10:00

1 stop18h 15m

London Gatwick

Fri 12/12

14:00-22:46

1 stop14h 46m

£514

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 19 results
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.

  • 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.

  • What is the cheapest month to book a flight from St. Louis to London Gatwick Airport?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to London Gatwick Airport (average of £102). Flying from St. Louis to London Gatwick Airport in July is currently the most expensive (average of £142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Croydon
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Ipswich
Watford
Folkestone
Chichester
Winchester
Dartford
Eastbourne
Guildford
Bishop's Stortford

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