Cheap flights from Heathrow to St Louis

Flight FAQs

From Heathrow to St Louis

Are flight prices decreasing from Heathrow to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London Heathrow to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London Heathrow to Lambert-St Louis that may be offering flexible cancellation policies are Finnair, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Heathrow to St Louis for under £359 on Cheapflights?

Yes, there are multiple flights from Heathrow to St Louis for under £359. The cheapest flight booked recently is on Multiple Airlines for just £336, but on average you can expect to pay £359.

Are there direct flights from Heathrow to St Louis for under £359 on Cheapflights?

There are no direct flights from Heathrow to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Heathrow to St Louis for under £503?

There are currently 8+ open flights from Heathrow to St Louis within the next 7 days for less than £503.

Does it rain more in Heathrow or St Louis?

The rainfall in Heathrow is generally more than the rainfall in St Louis. This will continue over the next 20 days.

Is Heathrow weather warmer or cooler than St Louis?

Expect the weather to be around 32 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Heathrow.

How long does is the flight from Heathrow to St Louis?

For as low as £424, SWISS can have you in St Louis from Heathrow in 11h 30m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Heathrow to St Louis return?

Our cheapest airline available from Heathrow to St Louis is Air Canada. Our recent data shows that you can find tickets from as low as £339 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at £368 and £391 round-trip. Users have found that Air Canada is 38% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Heathrow to St Louis one-way?

To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at £310. United Airlines flights start at £323 while deals on Air Canada start at £343 one-way.