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Cheap flights from St. Louis to London Gatwick Airport from £150

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Round-trip from

£446

One-way from

£150

Popular in

December

Cheapest in

May

Average price

£654
11/12-11/1
  • 11/12-11/1
  • 3 total stops
  • 39h 36m total
  • St. Louis to London
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18/1
  • 18/1
  • 2 total stops
  • 37h 18m total
  • St. Louis to London
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Highest demand for flights based on searches. 12% potential increase in price (£83 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£49 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 14 November 2025.

Thu 11/1212:04STL - LGW
2 stops15h 56mMultiple Airlines
Sun 11/114:10LGW - STL
1 stop23h 40mMultiple Airlines
Deal found 12/11£446
Sun 7/1210:42STL - LGW
2 stops37h 18mMultiple Airlines
Fri 9/114:00LGW - STL
1 stop14h 33mMultiple Airlines
Deal found 12/11£464
Sat 13/1215:30STL - LGW
1 stop12h 35mMultiple Airlines
Sun 11/114:10LGW - STL
1 stop23h 40mMultiple Airlines
Deal found 12/11£466
Mon 8/1215:30STL - LGW
1 stop12h 30mMultiple Airlines
Sat 10/114:00LGW - STL
1 stop24h 40mMultiple Airlines
Deal found 12/11£469
Wed 10/1219:43STL - LGW
2 stops32h 17mMultiple Airlines
Sat 10/114:00LGW - STL
1 stop24h 40mMultiple Airlines
Deal found 12/11£470
Mon 8/1210:47STL - LGW
2 stops17h 13mMultiple Airlines
Fri 9/114:00LGW - STL
1 stop14h 33mMultiple Airlines
Deal found 12/11£470
Sun 23/1115:14STL - LGW
2 stops32h 46mMultiple Airlines
Thu 27/1114:00LGW - STL
1 stop15h 57mMultiple Airlines
Deal found 12/11£477
Fri 12/1215:30STL - LGW
1 stop12h 30mMultiple Airlines
Sat 10/114:00LGW - STL
1 stop24h 40mMultiple Airlines
Deal found 12/11£480
Wed 10/1219:43STL - LGW
2 stops32h 17mMultiple Airlines
Thu 8/114:00LGW - STL
1 stop23h 50mMultiple Airlines
Deal found 12/11£480
Sun 7/1210:42STL - LGW
2 stops37h 18mMultiple Airlines
Sat 10/114:00LGW - STL
1 stop24h 40mMultiple Airlines
Deal found 12/11£481

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 14 November 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

Thu 11/12

12:04-10:00

2 stops15h 56m

London Gatwick

Sun 11/1

14:10-07:50

1 stop23h 40m

£446

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 8/12

10:47-10:00

2 stops17h 13m

London Gatwick

Fri 9/1

14:00-22:33

1 stop14h 33m

£449

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 10/12

19:43-10:00

2 stops32h 17m

London Gatwick

Thu 8/1

14:00-22:33

1 stop14h 33m

£473

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 14/12

15:30-10:00

1 stop12h 30m

London Gatwick

Fri 9/1

14:00-22:33

1 stop14h 33m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 8/12

10:47-06:00

2 stops37h 13m

London Gatwick

Sat 10/1

14:00-07:50

1 stop23h 50m

£495

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 11/12

12:04-10:00

2 stops15h 56m

London Gatwick

Thu 8/1

14:00-07:50

1 stop23h 50m

£495

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 9/12

15:30-06:00

2 stops32h 30m

London Gatwick

Fri 9/1

14:00-22:33

1 stop14h 33m

£505

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 14/12

15:30-10:00

1 stop12h 30m

London Gatwick

Thu 8/1

14:00-22:33

1 stop14h 33m

£514

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 11/1

17:11-06:00

2 stops30h 49m

£176

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 4/5

13:30-16:05

3 stops20h 35m

£254

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 13 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.

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
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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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?

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