CA $692 Cheap Flights from London (LHR) to St. Louis (STL)

Popular airlines from Heathrow Airport (LHR) to Lambert-St. Louis International Airport (STL)

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Cheap flights from London (LHR) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $692 for one-way flights and CA $1,270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Aer Lingus
Lufthansa
Air Canada
Brussels Airlines
Finnair

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Frequently asked questions

How much is a flight from London Heathrow to Lambert Field?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between London Heathrow and Lambert-St. Louis Intl. Airport (STL) was CA $1,270. Fares this good don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Lambert-St. Louis Intl. Airport (STL)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Heathrow Airport to Lambert Field that have flexible change policies?
Plenty of airlines will allow you to move your flight at no extra charge. All you pay is any additional cost for the new flight. When searching for Heathrow Airport to STL flights, you'll find a "No change fees" filter for you to pick.
How many hours is the flight from Heathrow Airport to STL?
It takes roughly 11 hours and 56 minutes to fly from Heathrow Airport to Lambert-St. Louis Intl. Airport (STL). If you'd like to get some rest, bring your neck pillow, an eye mask and some earplugs.
How far is the flight from Heathrow Airport (LHR) to STL?
With around 6,800 kilometres separating Hounslow and St. Louis, your flight will be a long one. Pack wisely and make your journey more comfortable. Little things like an eye mask and a quality travel pillow can make a huge difference.
Which airlines fly direct from Heathrow Airport (LHR) to Lambert-St. Louis Intl. Airport (STL)?
Currently, no airlines offer direct flights from LHR to Lambert Field. You'll need to book a flight with at least one stop. To get the best connections and price, lock in your airfare ahead of time.
Are Heathrow Airport to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute deals between Heathrow Airport (LHR) and Lambert Field are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers publish their prices up to a year prior to the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to lock in your seat when the price dips.

Travel information

Origin airport
Heathrow
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $1,269
Distance
6703 km

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