Cheap flights from Missouri to London from $348
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to London departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Missouri to London that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Missouri to London.
Cheap last minute flights
Planning a quick getaway from Missouri to London? These are the last-minute flight deals available now.
United Airlines flights from Missouri to London Heathrow Airport
Our best United Airlines deals on Missouri to London Heathrow Airport flight tickets
United Airlines![United Airlines]()
Sep 21![United Airlines]()
Oct 1
MCI11:33 amKansas City
16h 02m
2 stops
LHR9:35 amLondon Heathrow
LHR2:05 pmLondon Heathrow
26h 32m
2 stops
MCI10:37 amKansas City
United Airlines![United Airlines]()
Aug 18![United Airlines]()
Sep 2
MCI1:44 pmKansas City
13h 56m
1 stop
LHR9:40 amLondon Heathrow
LHR2:05 pmLondon Heathrow
26h 32m
2 stops
MCI10:37 amKansas City
Finnair flights from Missouri to London Heathrow Airport
Our best Finnair deals on Missouri to London Heathrow Airport flight tickets
Finnair![Finnair]()
Sep 23![Finnair]()
Sep 30
STL2:01 pmLambert-St Louis
16h 29m
1 stop
LHR12:30 pmLondon Heathrow
LHR6:10 pmLondon Heathrow
30h 11m
2 stops
STL6:21 pmLambert-St Louis
Finnair![Finnair]()
Aug 13![Finnair]()
Aug 20
MCI6:24 pmKansas City
14h 01m
1 stop
LHR2:25 pmLondon Heathrow
LHR9:30 amLondon Heathrow
19h 18m
2 stops
MCI10:48 pmKansas City
See travel insights to London from
How to get the cheapest flight ticket from Missouri to London Heathrow 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
Prices
Airlines
Other information
What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Missouri, with most prices found around $804. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from Missouri to London Heathrow Airport during January average around $828.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $906. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,015.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Missouri to London Heathrow Airport in the evening for as low as $895. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $996.
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Missouri when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $956 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Missouri for as low as $805 on momondo.
What is the cheapest airline that flies from Missouri to London Heathrow?
Delta, British Airways, and Air Canada are the most popular carriers operating from Missouri to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Missouri according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
Cheap Missouri to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Missouri to London Heathrow Airport
When did momondo last update prices for flights from Missouri to London Heathrow Airport?
Prices for flights from Missouri to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Missouri to London Heathrow Airport?
As of April 2025, there are 11 operators available to choose from for flights from Missouri to London Heathrow Airport.
How old do you have to be to fly from Missouri to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Missouri to London Heathrow Airport
Compare and see reviews for airlines that fly from Missouri to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $599 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $648 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $669 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 7.0 2,701 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $690 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $697 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $728 | Free Cancellation | Rating 7.0 9,252 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Salisbury
Ilford
Milton Keynes
Canterbury
Colchester
Wembley
Swindon
Chelmsford
Richmond
Poole
Why use momondo?
Why should I use momondo to find a flight deal from Missouri to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Missouri.
Can I find flights from Missouri to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Missouri with this policy.
How can momondo help me find flights from Missouri to London?
momondo helps you find the best flight between Missouri and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Missouri to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Missouri to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
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