£373+ Cheap flights to St. Louis

— STL
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis

Wed 25/1113:35 -
1 stop14h 05m
Sun 29/1113:08 -
1 stop10h 47m
Deal found 10/11£569
Wed 2/1206:40 -
2 stops23h 25m
Mon 7/1214:33 -
2 stops21h 07m
Deal found 10/11£584
Mon 7/1220:25 -
3 stops33h 47m
Mon 21/1218:21 -
2 stops18h 54m
Deal found 6/11£600
Fri 20/1106:40 -
2 stops23h 16m
Mon 23/1114:31 -
2 stops19h 29m
Deal found 6/11£607
Mon 7/1209:55 -
2 stops35h 49m
Tue 22/1211:09 -
1 stop14h 11m
Deal found 9/11£628
Sun 6/1209:55 -
2 stops37h 30m
Sun 13/1220:24 -
1 stop32h 01m
Deal found 6/11£664
Mon 7/1212:35 -
1 stop13h 23m
Tue 22/1208:06 -
1 stop18h 09m
Deal found 9/11£665
Wed 9/1206:30 -
1 stop13h 15m
Wed 16/1213:18 -
1 stop10h 37m
Deal found 9/11£668
Mon 7/1213:50 -
1 stop14h 30m
Mon 21/1210:20 -
1 stop15h 55m
Deal found 6/11£670
Wed 9/1207:30 -
2 stops18h 00m
Wed 16/1213:18 -
1 stop10h 37m
Deal found 9/11£672
Mon 7/1213:30 -
2 stops15h 29m
Mon 21/1218:58 -
1 stop28h 57m
Deal found 9/11£673
Mon 7/1216:00 -
1 stop14h 05m
Mon 21/1211:15 -
1 stop13h 50m
Deal found 8/11£675

Find flight deals to St. Louis

Return from

£569

One-way from

£358

Popular in

August

Cheapest in

February

Average price

£682

Good round-trip deal

£720 or less
United Airlines
  • United Airlines
  • 25/11-29/11
  • 2 total stops
  • 24h 52m total
  • London to St. Louis
14/1-31/12
  • 14/1-31/12
  • 1 total stop
  • 19h 36m total
  • London to St. Louis
Highest demand for flights based on searches. 10% potential increase in price (£89 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
Average for return flights in November 2026
Price to beat on a round-trip flight from London to Lambert-St Louis.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Sun 10/1

09:40-10:21

1 stop30h 41m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£391

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Thu 4/2

10:35-00:04

1 stop19h 29m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£406

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Wed 25/11

09:50-23:59

1 stop20h 09m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£413

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Tue 15/12

08:15-11:17

3 stops33h 02m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£432

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Tue 20/4

06:30-13:25

1 stop12h 55m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£433

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Tue 26/1

09:00-21:37

2 stops18h 37m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£439

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Sat 13/3

22:30-20:09

2 stops27h 39m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£449

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Tue 16/3

13:30-14:45

1 stop30h 15m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£454

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Thu 31/12

10:35-00:41

1 stop20h 06m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£454

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Tue 16/3

10:00-23:39

2 stops18h 39m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£466

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to St. Louis

How long is the flight to St. Louis?

On average, a flight from London to St. Louis takes 21 hours 21 minutes. Flights to St. Louis from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to St. Louis?

The cheapest airlines flying from London to St. Louis are Air Canada, Lufthansa and United Airlines.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

When is the best time to book a flight to St. Louis?

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing St. Louis

Read through reviews of airlines serving the United States, such as Virgin Atlantic,Aer Lingus, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Boarding

7.7

Comfort

7.3

Overall

7.5

Entertainment

7.5

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

FAQs about flying to St. Louis

St. Louis climate

St Louis has moderate, seasonal weather, but storms can occur at any time of the year. July and August are the hottest and most humid months of the year, and January and February are cold, usually with snow. Winter temperatures range from below 0 to 13 degrees C, while summers have daily temperatures of between 14 to 32 degrees C.

Getting around St. Louis

The local transport connects the central regions and is a great way to travel throughout the city. It’s possible to access the majority of St. Louis tourist attractions via the public transport, so a car isn’t necessary. There are shuttle buses that will transport travellers from some attractions to the nearest station. Travellers can pick up a shuttle service map at any of the stations, or at first attraction. Bus services are part of the same network, but extend throughout St. Louis counties.

Renting a car is also an option. St. Louis is a very easy city to navigate and parking is abundant throughout the city. However, if you plan to drive to the suburbs, the navigation might become a little tricky. Make sure to check with your hotel or a local before hitting the motorway in your rental car.

Taxi stands are located at most major hotels around the city and at common tourist attractions. Cabs can also be reserved ahead of time.

Getting from the Airport to the City

Lambert–St. Louis International Airport (STL) is located around 10 miles (16 km) northwest of downtown St. Louis.

What is good to know if travelling to St. Louis?

  • Celebrate Independence Day in style with a flight to St. Louis. Grab a blanket and a couple of chairs and head down to the riverfront for 4th of July. Grab a spot underneath the Arch and enjoy the spectacle. From people watching, to concerts and outdoor vendors and markets, there is much to do to celebrate America’s birthday. And of course, an amazing fireworks display happens on the riverfront.
  • St. Louis’ Soulard Market Place is home to the best outdoor markets in the city, and also one of the best Mardi Gras parties in the Midwest.
  • The Butterfly Garden in St. Louis’ suburb, Chesterfield, is a must-see for travellers of any age. Located in Faust Park about 30 minutes west of St. Louis City, the Butterfly Garden is a delight for everyone.
  • You don’t have to be a baseball fan to appreciate Busch Stadium. Take a tour of the Stadium or take in a game.
  • Beer lovers know St. Louis as the home of Anheuser-Busch. Brewed right in the city centre, the Anheuser-Busch Brewery offers daily tours, and of course, beer tastings. 

St. Louis airport overview

Lambert-St Louis International Airport, or Lamberts as it’s affectionately known, is located 17km (10 miles) northwest of the city of St Louis, Missouri, and is in close proximity to connecting interstate highways. With four long runways and more than 12 million passengers per year, Lamberts is the state’s busiest airport; nonstop flights to Lambert-St Louis International Airport arrive from 88 domestic and international hubs.

Lambert-St Louis has a certain historical pedigree, too. It served as a balloon-launching base in the 19th century and was later visited by the Wright Brothers on one of their early flights. In 1910, Theodore Roosevelt took a flight from here, becoming the first US President to fly, and a few years later the first experimental parachute jump took place over the airfield.

A new construction project – launched in spring 2011 – is set to improve passenger services, boost airport operations and offer good views of the establishment. Terminal 1 is already an architectural spectacle, with exciting LED lighting that may be viewed from the interior and exterior of the building, as well as new flooring, ticket counters, signs, security checkpoints and an atrium, all of which have resulted in a completely new and attractive look for Lambert-St Louis International Airport.

  • What airport do you fly into for flights to St. Louis?

    If you book a flight to St. Louis, you will be flying into Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, Virgin Atlantic is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost £121, while return flights cost around £462.

  • How much is a return flight to St. Louis?

    A return flight to St. Louis will typically cost around £462, however they can be found for as little as £462.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, London offers the quickest one-way flight (9 hours 0 minutes).

  • Does Lambert-St Louis have car hire?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 mi away from Lambert-St Louis).

See more FAQs

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