£146 Find Cheap Flights from Missouri to the United Kingdom

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to the United Kingdom

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know - Cheap tickets from Missouri to the United Kingdom

Low seasonFebruary
High seasonMay
Cheapest flight£146
Best time to beat the crowds (20% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from St. Louis to London Gatwick Airport

FAQs for booking flights from Missouri to the United Kingdom

  • How does KAYAK find such low prices on flights from Missouri to the United Kingdom?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to the United Kingdom.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to the United Kingdom?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Missouri to the United Kingdom is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to the United Kingdom?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Missouri to the United Kingdom with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to the United Kingdom?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Missouri to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Wednesday when return tickets can be as cheap as £565. On the other hand, the most expensive day to fly is Thursday, when return prices are £932 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally in the morning, when round-trip flights cost £814 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally at night, which is peak travel time and where the average cost of a ticket is £1,458.

  • What is the cheapest month to fly from Missouri to the United Kingdom?

    The cheapest month for flights from Missouri to the United Kingdom is November, when tickets cost £539 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is £1,101 and £971 respectively.

  • How far in advance should I book a flight from Missouri to the United Kingdom?

    To get a below-average price on the flight from Missouri to the United Kingdom, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

  • How long is the flight to the United Kingdom?

    An average direct flight from Missouri to the United Kingdom takes 16h 40m, covering a distance of 4166 miles. The shortest route is St. Louis (STL) to London Heathrow Airport (LHR) with an average flight time of 10h 15m.

  • What are the most popular destinations in the United Kingdom?

    Based on KAYAK flight searches, the most popular destination is London (81% of total searches to the United Kingdom). The next most popular destinations are Edinburgh (8%) and Belfast (5%). Searches for flights to Manchester (4%), to Birmingham (1%), and to Inverness (1%) are also popular.

Book cheap flights from Missouri to the United Kingdom

Cheapest flights to the United Kingdom from Missouri found in 2025

Recent return flight deals

19/8Tue
2 stopsDelta
17h 15mSTL-LGW
27/8Wed
2 stopsDelta
17h 23mLGW-STL
£452
19/8Tue
1 stopUnited Airlines
14h 30mSTL-LHR
27/8Wed
1 stopUnited Airlines
13h 00mLHR-STL
£459
27/9Sat
1 stop
33h 27mMCI-LGW
5/10Sun
1 stop
33h 38mLGW-MCI
£459
19/8Tue
1 stopBritish Airways
10h 46mSTL-LHR
28/8Thu
1 stopBritish Airways
11h 53mLHR-STL
£460
21/9Sun
1 stopIberia
12h 48mSTL-LHR
1/10Wed
2 stopsIberia
21h 38mLHR-STL
£464
19/8Tue
1 stopAir Canada
11h 00mSTL-LHR
28/8Thu
2 stopsAir Canada
14h 31mLHR-STL
£465
21/9Sun
1 stopAir Canada
14h 05mSTL-LHR
1/10Wed
1 stopAir Canada
11h 52mLHR-STL
£469
27/9Sat
1 stop
33h 27mMCI-LGW
5/10Sun
1 stop
33h 38mLGW-MCI
£470
20/8Wed
1 stopBritish Airways
11h 55mSTL-EDI
4/9Thu
1 stopBritish Airways
15h 31mEDI-STL
£471
9/9Tue
1 stopIberia
15h 24mSTL-LHR
23/9Tue
1 stopIberia
12h 07mLHR-STL
£475

Search by stops

Search by airline

Search by price

Recent one-way flight deals

16/7Wed
1 stop
16h 36mSTL-LGW
£146
19/7Sat
1 stop
22h 55mMCI-LGW
£162
23/7Wed
1 stopAmerican Airlines
12h 39mSTL-LHR
£308
16/7Wed
2 stopsAir Canada
16h 30mSTL-LHR
£312
8/7Tue
1 stopUnited Airlines
12h 05mSTL-LHR
£316
11/8Mon
1 stopUnited Airlines
13h 35mSTL-EDI
£322
24/9Wed
2 stopsAir Canada
13h 05mSTL-LHR
£325
14/9Sun
1 stopAmerican Airlines
19h 08mSTL-EDI
£326
27/7Sun
1 stopVirgin Atlantic
12h 07mMCI-LHR
£327
19/8Tue
2 stopsVirgin Atlantic
14h 13mMCI-LHR
£341

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to the United Kingdom

Last minute flight, train and bus deals

16/6Mon
multi-stop
32h 47mSTL-LGW
23/6Mon
multi-stop
15h 53mLGW-STL
£946
16/6Mon
multi-stop
34h 13mSTL-LGW
23/6Mon
multi-stop
15h 53mLGW-STL
£959
16/6Mon
multi-stopAir Canada
24h 30mSTL-LHR
23/6Mon
multi-stopAir Canada
35h 53mLHR-STL
£1,102
16/6Mon
multi-stopAir Canada
26h 00mSTL-LHR
23/6Mon
multi-stopAir Canada
35h 53mLHR-STL
£1,141
16/6Mon
multi-stopIberia
12h 56mMCI-LHR
23/6Mon
multi-stopIberia
29h 20mLHR-MCI
£1,233
16/6Mon
multi-stopBritish Airways
13h 16mSTL-LHR
23/6Mon
multi-stopBritish Airways
29h 44mLHR-STL
£1,236
16/6Mon
multi-stopLufthansa
16h 13mSTL-LHR
23/6Mon
multi-stopLufthansa
25h 05mLHR-STL
£1,257
13/6Fri
multi-stopBritish Airways
12h 25mMCI-LHR
17/7Thu
multi-stopBritish Airways
13h 04mLHR-MCI
£1,292
13/6Fri
multi-stopLufthansa
12h 10mSTL-LHR
23/6Mon
multi-stopLufthansa
25h 05mLHR-STL
£1,299
13/6Fri
multi-stopIberia
12h 41mSTL-LHR
23/6Mon
multi-stopIberia
12h 05mLHR-STL
£1,333

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to Missouri

Cabin classes available on flights to Missouri. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.