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

You can find cheap one-way flights from AU$973 and cheap return flights AU$1,501 LHR to STL with Expedia. One-way flights typically cost between AU$792 and AU$1,647 and return flights often range between AU$1,265 and AU$6,192. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to STL ticket fares go up or down.

The cheapest months to fly from LHR to STL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Only one airline offers direct flights from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.). British Airways operates 7 direct flights from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) every week.

To find a cheap flight from London (LHR) to St. Louis, MO (STL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from London Heathrow (LHR) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. British Airways offers the most daily flights from London Heathrow (LHR) to St. Louis, MO (STL), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 105 connecting flights per day from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.). Some common connection points include Dublin (DUB), O'Hare Intl. (ORD), and John F. Kennedy Intl. (JFK).

The earliest flight from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 6:00 AM. This service is offered by airlines such as Air Baltic, Swiss International Air Lines, and Air Canada. This is a seasonal service, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from London Heathrow (LHR) to St. Louis, MO (STL) on a Monday, with around 89 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, United, and British Airways. Mondays offer notably more flight options compared to other days of the week, so if flexibility is key, consider flying then.

The most popular departure times for flights from London Heathrow (LHR) to St. Louis, MO (STL) are in the morning, from 9am to 12pm. Many major carriers, including American Airlines, Delta and British Airways, offer flights during this window. Many travellers prefer these times because it allows for a morning departure and an afternoon arrival, giving you time to settle in upon arrival.

A direct flight from London Heathrow (LHR) to St. Louis, MO (STL) typically takes around 9 hours. This route covers a distance of approximately 6,743 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 13 hours. Flights with two or more stops will extend your travel time further, typically around 16 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

You can fly business class or first class between LHR and STL. Airlines that offer business class service on this route include:

• British Airways
• American Airlines
• Delta
• Lufthansa
• Air Canada
• Med View Airlines
• United
• Air Baltic
• Swiss International Air Lines
• Brussels Airlines
• KLM
• SAS
• Virgin Atlantic

First class cabins are available on British Airways and American Airlines.

It's easy to earn miles on a London (LHR) to St. Louis, MO (STL) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to St. Louis from Heathrow (LHR), you can fly directly into Lambert-St. Louis Intl. (STL). Some flights may connect through major hubs like Schiphol (AMS), Roissy-Charles de Gaulle (CDG), or Logan Intl. (BOS) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from London (LHR) to St. Louis, MO (STL) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a London (LHR) to St. Louis, MO (STL) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your London (LHR) to St. Louis, MO (STL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.