Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Latest Flight Deals from London to St. Louis

Book one-way or return flights from London to St. Louis from as little as £184. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from London to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from London to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from London to St. Louis

View airlines operating flights from London to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways
From £184
Vueling Airlines
From £347
PLAY Airline
From £410
WestJet
From £459
TAP Air Portugal
From £479
Air Transat
From £485
Air Europa
From £553
Jetblue Airways
From £572
Avianca
From £606
Icelandair
From £632
ANA airlines

Find more flights and airlines

Alternative Routes from London to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from London to St. Louis.

  • Cheapest
    Norse Atlantic Airways
    LGW
    14:00
    23h 13m
    1 transfer
    STL
    07:13
    London Gatwick Airport - St. Louis Lambert International Airport
    Wed, May 1Norse Atlantic Airways
    £184
  • PLAY Airline
    STN
    11:35
    28h 24m
    2 transfer
    STL
    09:59
    London Stansted Airport - St. Louis Lambert International Airport
    Fri, May 3PLAY Airline
    £410
  • TAP Air Portugal
    LHR
    06:00
    20h 1m
    2 transfer
    STL
    20:01
    London Heathrow Airport - St. Louis Lambert International Airport
    Thu, Jun 6TAP Air Portugal
    £479
  • TAP Air Portugal
    LHR
    06:00
    20h 1m
    2 transfer
    STL
    20:01
    London Heathrow Airport - St. Louis Lambert International Airport
    Thu, Jun 6TAP Air Portugal
    £479
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from London (LON) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from London to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from London (LON) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around £1,250.
  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St.Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
  • How many airports in St. Louis (STL)?

How to find a cheap flight from London to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from London to St. Louis

Cheapest direct flight price

£184

Cheapest month

March

Peak season for travel

October

Flight distance

6,757.51km

Popular airline

American Airlines