Cheap flights from London Heathrow Airport to St. Louis from £360
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to St. Louis departing on 21/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare return flights from London Heathrow Airport to St. Louis
Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London Heathrow Airport to St. Louis by changing tabs
Find the cheapest one-way flights from London Heathrow Airport to St. Louis
If you're looking for one-way flights from London Heathrow Airport to St. Louis, view some of our deals below provided by Finnair, Lufthansa and WestJet
Search last-minute flights to St. Louis from London Heathrow Airport
Find and compare return flight prices for your last-minute flight from London Heathrow Airport to St. Louis
Best airlines flying from London Heathrow Airport to St. Louis
Compare and see reviews for airlines that fly from London Heathrow Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £473 | Free Cancellation | Rating 7.0 6,862 reviews | |||
| PriceFrom £474 | Free Cancellation | Rating 7.4 11,234 reviews | |||
| PriceFrom £476 | Free Cancellation | Rating 7.7 1,383 reviews | |||
| PriceFrom £482 | Free Cancellation | Rating 7.7 747 reviews | |||
| PriceFrom £538 | Free Cancellation | Rating 7.0 7,744 reviews | |||
| PriceFrom £634 | Free Cancellation | Rating 7.3 14,898 reviews | |||
| PriceFrom £656 | Free Cancellation | Rating 6.8 6,915 reviews | |||
| PriceFrom £778 | Free Cancellation | Rating 7.8 1,628 reviews |
Iberia flights from London Heathrow Airport to St. Louis
Our best Iberia deals on London Heathrow Airport to St. Louis flight tickets
American Airlines flights from London Heathrow Airport to St. Louis
Our best American Airlines deals on London Heathrow Airport to St. Louis flight tickets
How to get the cheapest flight ticket from London Heathrow Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from London Heathrow Airport to St. Louis?
February. The cheapest time of year to fly to St. Louis from London Heathrow Airport is February. The most expensive is August.
What is the cheapest day to depart London Heathrow Airport for St. Louis?
Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.
When is the cheapest time to fly from London Heathrow Airport to St. Louis?
At midday. London Heathrow Airport to St. Louis flights are approximately 7% more expensive in the evening than at midday
What is the cheapest airline that flies to St. Louis from London Heathrow Airport?
Finnair. Air Canada, British Airways, and Finnair are the most popular carriers operating from London Heathrow Airport to St. Louis
How far in advance should you book London Heathrow Airport to St. Louis flights?
10 days before. The cheapest time to buy a flight from London Heathrow Airport to St. Louis is approximately 10 days to departure
Cheap London Heathrow Airport to St. Louis (LHR to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to St. Louis
Best price found | £360 |
|---|---|
Fastest flight time | 12h 00m |
Direct flights | None |
Airports in St. Louis | 1 airport |
How far is London Heathrow to Lambert-St Louis by plane?
The distance between London Heathrow and Lambert-St Louis is about 4185.8 mi. A reasonable flight in good conditions will take 12h 00m.
When did momondo last update prices for flights from London Heathrow Airport to Lambert-St Louis Airport?
Prices for flights from London Heathrow Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Lambert-St Louis Airport?
As of April 2024, there are 8 operators available to choose from for flights from London Heathrow Airport to Lambert-St Louis Airport.
How old do you have to be to fly from London Heathrow Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from London to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to St. Louis for you.
Can I find flights from London to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.