Cheap flights from St. Louis to London from $211
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from St. Louis to London Gatwick Airport
Our best Delta deals on St. Louis to London Gatwick Airport flight tickets
Iberia flights from St. Louis to London Gatwick Airport
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How to get the cheapest flight ticket from St. Louis to London Gatwick Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between St. Louis and London Gatwick Airport?
What is the cheapest day to depart on your flight to London Gatwick Airport?
The cheapest day to depart from St. Louis to London Gatwick Airport is on a Wednesday when prices can be found for as low as $825. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Sunday is $1,468.
What is the cheapest time of day to depart on your flight to London Gatwick Airport?
Flying to London Gatwick Airport from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $886 when looking at flights departing in the morning. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $1,229 per ticket.
When to book flights from St. Louis to London Gatwick Airport
Cheap St. Louis to London Gatwick Airport (STL to LGW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to London Gatwick Airport
How far is Lambert-St Louis to London Gatwick by plane?
There are 4206.2 mi between Lambert-St Louis and London Gatwick. By plane, this route typically takes 12h 40m.
When did momondo last update prices for flights from Lambert-St Louis Airport to London Gatwick Airport?
Prices for flights from Lambert-St Louis Airport to London Gatwick Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to London Gatwick Airport?
As of June 2025, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to London Gatwick Airport.
How old do you have to be to fly from Lambert-St Louis Airport to London Gatwick Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to London Gatwick Airport?
Based on momondo bookings for flights between St. Louis and London Gatwick Airport, the leading airline is American Airlines, making up 100% of the total bookings.
Best airlines flying from St. Louis to London Gatwick Airport
Compare and see reviews for airlines that fly from St. Louis to London Gatwick Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $651 | Free Cancellation | Rating 7.2 10,000 reviews |
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Why should I use momondo to find a flight deal from St. Louis to London?
Finding the right flight to London from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from St. Louis to London with flexible booking policies on momondo?
Flights from St. Louis to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to London?
Once all potential St. Louis to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from St. Louis to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.