Cheap flights from Lambert-St Louis Intl (STL) to London (LON)

Flight FAQs

From Lambert-St Louis Intl to London

Are flight prices decreasing from St Louis to London 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 St Louis and London 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 Lambert-St Louis to London have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to London have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and British Airways are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

What airport do you fly from for flights from St. Louis to London?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to London. You should not have trouble finding flights to London from Lambert-St Louis; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 15 airlines have flights from the St. Louis airport to London. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Can I find flights from Lambert-St Louis Intl to London for under $700 on Cheapflights?

Yes, there are multiple flights from Lambert-St Louis Intl to London for under $700. The cheapest flight booked recently is on Finnair for just $662, but on average you can expect to pay $732.

Are there nonstop flights from Lambert-St Louis Intl to London for under $700 on Cheapflights?

There are no nonstop flights from Lambert-St Louis Intl to London, 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 Lambert-St Louis Intl to London for under $1,100?

There are currently 13+ open flights from Lambert-St Louis Intl to London within the next 7 days for less than $1,100.

Is St Louis weather warmer or cooler than London?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in London is typically colder than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Lambert-St Louis Intl to London?

There are many flights that can get you from Lambert-St Louis Intl to London in 10h 45m. Fly via American Airlines, Finnair, or KLM to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines flying from Lambert-St Louis Intl to London round-trip?

Flying on Finnair is currently your cheapest option to London, with prices starting at $662. Additional round-trip tickets that might be worth considering are offered by British Airways and KLM, with the lowest prices starting at $733 and $743, respectively. Finnair is currently priced 29% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Lambert-St Louis Intl to London one-way?

To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $357. Iberia is not the only option available. At the moment, WestJet is another option, for $407.