
Popular airlines from Heathrow Airport (LHR) to St. Louis Lambert Intl. Airport (STL)
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Cheap flights from London to St. Louis (LHR-STL)
Prices were available within the past 7 days and start at €429 for one-way flights and €638 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€638 Return, found 4 days ago
€638
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€638 Return, found 4 days ago
€638
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€643 Return, found 4 days ago
€643
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€654 Return, found 4 days ago
€654
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€658 Return, found 4 days ago
€658
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€658 Return, found 4 days ago
€658
Return
found 4 days ago

Mon, 13 Apr - Mon, 27 Apr
LHR
London
STL
St. Louis
€661 Return, found 4 days ago
€661
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€663 Return, found 4 days ago
€663
Return
found 4 days ago

Tue, 1 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
€663 Return, found 4 days ago
€663
Return
found 4 days ago

Mon, 13 Apr - Mon, 27 Apr
LHR
London
STL
St. Louis
€667 Return, found 4 days ago
€667
Return
found 4 days ago
Find the cheapest month to fly from London (LHR) to St. Louis (STL)
November is typically the cheapest month to fly
From €594 - €1,284 per traveller.
Frequently asked questions
Travel information
Origin airport | Heathrow |
|---|---|
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, United, Virgin Atlantic |
Return price | €637 |
Distance | 6703 km |
Book with confidence
Perfect flights from London to St. Louis
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to St. Louis. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Heathrow to Lambert-St. Louis Intl. ticket options cater to your travel preferences, with incredible one-way fares from €429 and roundtrip prices from €638. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Lambert-St. Louis Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in St. Louis.
Explore a world of travel with Expedia
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- Flights from Lambert-St. Louis Intl.
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- Calvary Cemetery
- Visit Castle Point
- Centene Community Ice Center
- Citygarden
- Enterprise Center
- Visit Harvester
- Missouri Botanical Gardens and Arboretum
- Payne-Gentry Historical House
- Saint Louis Galleria Mall
- Spanish Lake Holidays
- St. Louis Art Museum
- St. Louis Car Museum
- Visit Edmundson
- Visit Lindenwood Park
- St. Louis Zoo
- Tower Grove Park
- Woodbine Center Shopping Center
- World Chess Hall of Fame
*Available to Expedia members.