CA $780 Cheap Flights from St. Louis (STL) to London (LHR)

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

Prices were available within the past 7 days and start at CA $780 for one-way flights and CA $1,012 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flight from St. Louis to London (STL - LHR) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Heathrow
Roundtrip price
CA $1,011
Distance
6703 km

St. Louis to London Flights

The easy way to book your flights from St. Louis to London 

With Expedia, it’s simple to find and book flights to London from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Heathrow, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to London today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Heathrow, LHR 

Sort your search results by price to find great deals on your flight from St. Louis to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from St. Louis currently is just CA $1,012 rising to CA $1,116.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to London from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to LHR?
Pack your bags, because round-trip flights between STL and LHR start from CA $1,012. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to London Heathrow?
This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel online.
How do I find cheap flights from St. Louis Lambert International Airport to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert-St. Louis Intl. Airport (STL) to Heathrow Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from St. Louis Lambert International Airport to LHR?
With around 6,800 kilometers separating St. Louis and Hounslow, your flight will be a long one. Pack wisely to make your time in the air comfortable. Things like a spare pair of socks and a cozy travel pillow should be in your hand luggage.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to London Heathrow?
Unfortunately, there aren’t any airlines that fly directly between St. Louis Lambert International Airport and Heathrow Airport. You’ll need to book a flight with one or more stops.
Are Lambert-St. Louis Intl. Airport (STL) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
It is possible to get an awesome last-minute deal from Lambert Field to Heathrow Airport, but it’s also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it’s worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you’re always seeing the latest offers.
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