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 American Airlines, United Airlines, and Air Canada. 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 £540 on Cheapflights?

Yes, there are multiple flights from Heathrow to St Louis for under £540. The cheapest flight booked recently is on Lufthansa for just £478, but on average you can expect to pay £585.

Are there direct flights from Heathrow to St Louis for under £463 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.

Does it rain more in Heathrow or St Louis?

The rainfall in Heathrow is generally same as the rainfall in St Louis. This will continue over the next 21 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 £684, Air Canada can have you in St Louis from Heathrow in 12h 34m. 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 Lufthansa. Our recent data shows that you can find tickets from as low as £479 on this airline. Additional options worth looking into are American Airlines and Delta, starting at £529 and £577 round-trip. Users have found that Lufthansa is 19% 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 British Airways, which is currently one of the cheapest options available, starting at £397. Delta flights start at £432 while deals on Austrian Airlines start at £515 one-way.