$464+ Cheap flights from Heathrow (LHR) to St. Louis (STL)

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from London Heathrow to St. Louis. You should not have trouble finding flights to Lambert-St Louis from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the St. Louis airport from London Heathrow. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

Yes, there are multiple flights from London Heathrow Airport to St. Louis for under $800. The cheapest flight booked recently is on Finnair for just $732, but on average you can expect to pay $1,118.

There are currently 5+ open flights from London Heathrow Airport to St. Louis within the next 7 days for less than $700.

Cheapflights users have booked flights from London Heathrow Airport to St. Louis round-trip from $732. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $766, and Iberia, from $883. You may be able to fly from London Heathrow Airport to St. Louis for 14% less than the average price by searching for these airlines.

One-way options have recently been found by users for as low as $669 on WestJet. Other airlines that offer cheap prices include Aer Lingus from $933 and British Airways from $954 one-way.

LHR and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to STL refers to a flight route from London Heathrow Airport to Lambert-St Louis Airport.

The amount of baggage you can bring on your Heathrow to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Heathrow to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Heathrow to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to St. Louis.

Yes. Cheapflights offers flight deals from Heathrow to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Heathrow to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Heathrow to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The London Heathrow Airport to St. Louis flight deals you see on this page were last updated on 10/29.

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to St. Louis (average of $308). Flying from London Heathrow Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.