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Find cheap flights from Missouri to London Heathrow Airport from $419

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
lun. 6/3
lun. 6/10

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Good to know

Low season

January

High season

June

Cheapest flight

$419
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 47% increase in price.
Flight from St. Louis to London Heathrow Airport

FAQs for booking Missouri to London Heathrow Airport flights

  • How does KAYAK find such low prices on flights from Missouri to London Heathrow Airport?

    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 London Heathrow Airport.

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

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

  • What is the Hacker Fare option on flights from Missouri to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Missouri with another airline.

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

    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 to London Heathrow Airport from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Missouri to London Heathrow Airport?

Find which airlines fly direct from Missouri to Heathrow, which days they fly and book direct flights.

Nonstop departures

Missouri to London Heathrow

Monday

ANA, AccesRail, Aegean Airlines, +89 more

ANA, AccesRail, +90 more

Tuesday

ANA, AccesRail, Aegean Airlines, +89 more

ANA, AccesRail, +90 more

Wednesday

ANA, AccesRail, Aegean Airlines, +91 more

ANA, AccesRail, +92 more

Thursday

ANA, AccesRail, Aegean Airlines, +86 more

ANA, AccesRail, +87 more

Friday

ANA, AccesRail, Aegean Airlines, +93 more

ANA, AccesRail, +94 more

Saturday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Sunday

ANA, AccesRail, Aegean Airlines, +91 more

ANA, AccesRail, +92 more

See more direct flights

Nonstop returns

London Heathrow to Missouri

Monday

ANA, AccesRail, Aegean Airlines, +89 more

ANA, AccesRail, +90 more

Tuesday

ANA, AccesRail, Aegean Airlines, +89 more

ANA, AccesRail, +90 more

Wednesday

ANA, AccesRail, Aegean Airlines, +91 more

ANA, AccesRail, +92 more

Thursday

ANA, AccesRail, Aegean Airlines, +86 more

ANA, AccesRail, +87 more

Friday

ANA, AccesRail, Aegean Airlines, +93 more

ANA, AccesRail, +94 more

Saturday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Sunday

ANA, AccesRail, Aegean Airlines, +91 more

ANA, AccesRail, +92 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to London

Recent round-trip flight deals

8/5lun.
1 stopDelta
17h 35mMCI-LHR
8/30vie.
2 stopsDelta
17h 21mLHR-MCI
$691
8/5lun.
1 stopAmerican Airlines
13h 52mMCI-LHR
8/30vie.
1 stopAmerican Airlines
14h 23mLHR-MCI
$695
8/20mar.
1 stopBritish Airways
10h 40mMCI-LHR
8/26lun.
2 stopsBritish Airways
29h 33mLHR-MCI
$714
8/20mar.
2 stopsLufthansa
16h 00mMCI-LHR
8/26lun.
2 stopsLufthansa
54h 00mLHR-MCI
$717
8/5lun.
2 stopsAir Canada
16h 55mMCI-LHR
8/30vie.
2 stopsAir Canada
26h 20mLHR-MCI
$723
5/21mar.
1 stopUnited Airlines
21h 35mMCI-LHR
5/28mar.
2 stopsUnited Airlines
30h 30mLHR-MCI
$733
8/5lun.
1 stopBritish Airways
12h 53mMCI-LHR
8/30vie.
1 stopBritish Airways
14h 27mLHR-MCI
$744
8/23vie.
1 stopUnited Airlines
13h 00mMCI-LHR
8/27mar.
1 stopUnited Airlines
15h 41mLHR-MCI
$747
9/3mar.
2 stopsAir Canada
16h 55mMCI-LHR
9/11mié.
2 stopsAir Canada
26h 15mLHR-MCI
$778
5/20lun.
2 stopsLufthansa
21h 28mMCI-LHR
5/27lun.
2 stopsLufthansa
31h 30mLHR-MCI
$804

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Recent one-way flight deals

5/17vie.
2 stops
37h 55mSTL-LHR
$419
7/22lun.
3 stops
21h 35mSTL-LHR
$430
8/4dom.
1 stopUnited Airlines
13h 07mMCI-LHR
$548
7/8lun.
1 stopUnited Airlines
13h 44mSTL-LHR
$548
8/18dom.
1 stopAir Canada
18h 45mMCI-LHR
$550
7/15lun.
1 stopIberia
12h 04mSTL-LHR
$571
10/1mar.
1 stopVirgin Atlantic
11h 55mMCI-LHR
$582
10/12sáb.
1 stopVirgin Atlantic
31h 30mMCI-LHR
$612
8/3sáb.
2 stopsAir Canada
27h 55mMCI-LHR
$614
6/1sáb.
1 stopIberia
28h 30mSTL-LHR
$914

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Last minute flights from Missouri to Heathrow

Last minute flight, train and bus deals

5/7mar.
multi-stopIberia
11h 48mMCI-LHR
5/14mar.
multi-stopIberia
20h 26mLHR-MCI
$1,169
5/8mié.
multi-stopDelta
19h 04mSTL-LHR
5/22mié.
multi-stopDelta
17h 07mLHR-STL
$1,179
5/8mié.
multi-stopAmerican Airlines
16h 19mSTL-LHR
5/22mié.
multi-stopAmerican Airlines
12h 13mLHR-STL
$1,183
5/7mar.
multi-stopAmerican Airlines
14h 01mMCI-LHR
5/14mar.
multi-stopAmerican Airlines
13h 46mLHR-MCI
$1,184
5/7mar.
multi-stopFinnair
12h 39mMCI-LHR
5/15mié.
multi-stopFinnair
12h 51mLHR-MCI
$1,186
5/7mar.
multi-stopFinnair
11h 48mMCI-LHR
5/18sáb.
multi-stopFinnair
13h 41mLHR-MCI
$1,236
5/9jue.
multi-stop
24h 08mMCI-LHR
5/16jue.
multi-stop
26h 24mLHR-MCI
$1,485
5/8mié.
multi-stop
24h 08mMCI-LHR
5/16jue.
multi-stop
26h 24mLHR-MCI
$1,505
5/9jue.
multi-stopAir Canada
16h 19mMCI-LHR
5/19dom.
multi-stopAir Canada
16h 45mLHR-MCI
$2,045
5/7mar.
multi-stopAir Canada
16h 19mMCI-LHR
5/14mar.
multi-stopAir Canada
19h 23mLHR-MCI
$4,203

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Flights to London Heathrow Airport