Find flights
When to book
FAQs

Cheap flights from London Gatwick Airport to St. Louis from £603

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — STL
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Gatwick to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to St. Louis (STL). 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 26 August 2025.

Round-trip from

£603

Popular in

July

Cheapest in

September

Average price

£826
2/10-28/10
  • 2/10-28/10
  • 3 total stops
  • 64h 57m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Gatwick to St. Louis

Cheapest flights from Gatwick to St. Louis
Explore the most affordable flight options available from Gatwick to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Thu 2/1014:00LGW - STL
1 stop36h 37mMultiple Airlines
Tue 28/1020:40STL - LGW
2 stops28h 20mMultiple Airlines
Deal found 25/8£603
Sat 30/814:00LGW - STL
1 stop29h 07mMultiple Airlines
Sat 6/919:55STL - LGW
2 stops56h 55mMultiple Airlines
Deal found 25/8£612
Sun 28/914:00LGW - STL
1 stop29h 02mMultiple Airlines
Tue 28/1020:40STL - LGW
2 stops28h 20mMultiple Airlines
Deal found 25/8£615
Sat 4/1014:00LGW - STL
1 stop29h 02mMultiple Airlines
Mon 27/1018:05STL - LGW
2 stops30h 55mMultiple Airlines
Deal found 25/8£616
Thu 16/1014:00LGW - STL
1 stop33h 10mMultiple Airlines
Sun 9/1119:02STL - LGW
2 stops52h 58mMultiple Airlines
Deal found 23/8£617
Fri 10/1014:00LGW - STL
1 stop31h 38mMultiple Airlines
Fri 14/1114:12STL - LGW
1 stop13h 48mMultiple Airlines
Deal found 24/8£617
Mon 27/1013:00LGW - STL
2 stops26h 02mMultiple Airlines
Mon 17/1114:12STL - LGW
1 stop13h 48mMultiple Airlines
Deal found 23/8£622
Wed 29/1013:00LGW - STL
2 stops26h 12mMultiple Airlines
Mon 17/1114:12STL - LGW
1 stop13h 48mMultiple Airlines
Deal found 23/8£629
Thu 16/1014:00LGW - STL
1 stop33h 10mMultiple Airlines
Thu 6/1111:07STL - LGW
2 stops36h 53mMultiple Airlines
Deal found 23/8£630
Sat 4/1014:00LGW - STL
1 stop29h 02mMultiple Airlines
Tue 28/1020:40STL - LGW
2 stops28h 20mMultiple Airlines
Deal found 25/8£640
Thu 16/1014:00LGW - STL
1 stop33h 10mMultiple Airlines
Tue 11/1119:45STL - LGW
2 stops28h 15mMultiple Airlines
Deal found 23/8£649

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to St. Louis 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 26 August 2025.
Use the filters below to find and compare flights from London Gatwick Airport to St. Louis that are best for you.

Fly from

Gatwick

Fly to

St. Louis

Route

Depart

Return

Price

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 2/10

14:00-20:37

1 stop36h 37m

Lambert-St Louis

Tue 28/10

20:40-06:00

2 stops28h 20m

£603

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sun 9/11

11:40-13:17

2 stops31h 37m

Lambert-St Louis

Thu 13/11

14:12-10:00

1 stop13h 48m

£615

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sun 28/9

14:00-13:02

1 stop29h 02m

Lambert-St Louis

Tue 28/10

20:40-06:00

2 stops28h 20m

£615

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 4/10

14:00-13:02

1 stop29h 02m

Lambert-St Louis

Mon 27/10

18:05-06:00

2 stops30h 55m

£616

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 16/10

14:00-17:10

1 stop33h 10m

Lambert-St Louis

Sun 9/11

19:02-06:00

2 stops52h 58m

£617

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 10/10

14:00-15:38

1 stop31h 38m

Lambert-St Louis

Fri 14/11

14:12-10:00

1 stop13h 48m

£617

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 27/10

13:00-10:02

2 stops26h 02m

Lambert-St Louis

Mon 17/11

14:12-10:00

1 stop13h 48m

£622

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 29/10

13:00-10:12

2 stops26h 12m

Lambert-St Louis

Mon 17/11

14:12-10:00

1 stop13h 48m

£629

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 16/10

14:00-17:10

1 stop33h 10m

Lambert-St Louis

Thu 6/11

11:07-06:00

2 stops36h 53m

£630

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 4/10

14:00-13:02

1 stop29h 02m

Lambert-St Louis

Tue 28/10

20:40-06:00

2 stops28h 20m

£640

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 19 results
1
2

Best time to book a flight from Gatwick to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Gatwick 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 London Gatwick Airport to St. Louis

What’s the top stopover airport for flights from London Gatwick Airport to St. Louis?

Share of one-stop return flights from London Gatwick Airport to St. Louis chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of one-stop itineraries from London Gatwick Airport to St. Louis on Cheapflights.

What’s the fastest stopover option from London Gatwick Airport to St. Louis?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to St. Louis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 25m.

What’s the fastest stopover option from London Gatwick Airport to St. Louis?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to St. Louis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 25m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to St. Louis?

Average stopover duration for one-stop one-way flights from London Gatwick Airport to St. Louis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 03m.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to St. Louis. 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 into for flights to St. Louis from London Gatwick?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from London Gatwick. Booking flights from London Gatwick to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from London Gatwick from 0 different airlines.

  • Can I find deals for flights from Gatwick to St. Louis that include hotel bookings?

    Yes. In addition to deals on Gatwick to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to St. Louis.

  • Can I find deals for business class flights from Gatwick to St. Louis?

    Yes. Cheapflights offers flight deals from Gatwick to St. Louis 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 London Gatwick Airport to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to St. Louis (average of £722). Flying from London Gatwick Airport to St. Louis in December is currently the most expensive (average of £1,033). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to St. Louis?

Cheapflights helps you search for flights from Gatwick to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to St. Louis.

Can Cheapflights find flights from Gatwick to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to St. Louis with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Gatwick today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.