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Cheap flights from St. Louis to London Gatwick Airport from £146

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£550

One-way from

£146

Popular in

December

Cheapest in

January

Average price

£1,058
12/9-21/9
  • 12/9-21/9
  • 5 total stops
  • 53h 30m total
  • St. Louis to London
16/7
  • 16/7
  • 1 total stop
  • 16h 36m total
  • St. Louis to London
Highest demand for flights based on searches. 10% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Fri 12/908:44STL - LGW
3 stops28h 46mMultiple Airlines
Sun 21/913:05LGW - STL
2 stops24h 44mMultiple Airlines
Deal found 11/6£550
Wed 23/710:30STL - LGW
2 stops17h 30mDelta
Sat 2/812:00LGW - STL
2 stops17h 20mDelta
Deal found 10/6£555
Tue 7/1009:42STL - LGW
2 stops16h 28mAmerican Airlines
Sun 19/1012:20LGW - STL
2 stops17h 09mAmerican Airlines
Deal found 10/6£580
Fri 18/719:11STL - LGW
2 stops32h 49mAir France
Sat 2/812:00LGW - STL
2 stops17h 20mAir France
Deal found 11/6£641
Thu 4/909:56STL - LGW
2 stops18h 54mIberia
Thu 11/920:40LGW - STL
2 stops31h 13mIberia
Deal found 11/6£728

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 13 June 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

Fri 12/9

08:44-19:30

3 stops28h 46m

London Gatwick

Sun 21/9

13:05-07:49

2 stops24h 44m

£550

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 23/7

10:30-10:00

2 stops17h 30m

London Gatwick

Sat 2/8

12:00-23:20

2 stops17h 20m

£555

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 18/7

07:23-06:35

2 stops17h 12m

London Gatwick

Fri 1/8

12:20-23:59

2 stops17h 39m

£595

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 18/7

19:11-10:00

2 stops32h 49m

London Gatwick

Sat 2/8

12:00-23:20

2 stops17h 20m

£641

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 4/9

09:56-10:50

2 stops18h 54m

London Gatwick

Thu 11/9

20:40-21:53

2 stops31h 13m

£728

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 16/7

11:24-10:00

1 stop16h 36m

£146

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 23/7

10:30-10:00

2 stops17h 30m

£344

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 26/9

17:28-13:00

2 stops37h 32m

£613

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 13 June 2025.

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from St. Louis to London Gatwick Airport round-trip?

    Cheapflights users have booked flights from St. Louis to London Gatwick Airport round-trip from £555. Other airlines that can offer you cheap pricing are American Airlines, from £580, and Air France, from £641. These flights start at 23% lower than the current average price 3 months from now.

  • 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, February 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Deal
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Croydon
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Gatwick
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Crawley
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Ilford
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