Cheap flights from Missouri to London Heathrow Airport from £304
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 Heathrow Airport departing on 31/5. 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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1 adult
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0 bags
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Cheap return flights
KAYAK's recommended return flight deals from the most popular airlines that fly from Missouri to London.
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.
Scandinavian Airlines flights from Missouri to London Heathrow Airport
Our best Scandinavian Airlines deals on Missouri to London Heathrow Airport flight tickets
Scandinavian Airlines![Scandinavian Airlines]()
14 Oct![Scandinavian Airlines]()
22 Oct
STL13:30Lambert-St Louis
23h 00m
2 stops
LHR18:30London Heathrow
LHR06:40London Heathrow
22h 59m
2 stops
STL23:39Lambert-St Louis
Scandinavian Airlines![Scandinavian Airlines]()
14 Oct![Scandinavian Airlines]()
22 Oct
STL15:30Lambert-St Louis
24h 10m
2 stops
LHR21:40London Heathrow
LHR07:05London Heathrow
22h 34m
3 stops
STL23:39Lambert-St Louis
Finnair flights from Missouri to London Heathrow Airport
Our best Finnair deals on Missouri to London Heathrow Airport flight tickets
Finnair![Finnair]()
20 Aug![Finnair]()
9 Sept
MCI18:18Kansas City
14h 07m
1 stop
LHR14:25London Heathrow
LHR16:10London Heathrow
31h 58m
2 stops
MCI18:08Kansas City
Finnair![Finnair]()
8 Aug![Finnair]()
22 Aug
MCI16:59Kansas City
11h 31m
1 stop
LHR10:30London Heathrow
LHR08:20London Heathrow
15h 48m
1 stop
MCI18:08Kansas City
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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
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Other information
What is the cheapest month to fly to London Heathrow Airport?
In general, October is the cheapest month to fly from Missouri to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £604. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Missouri averaging around £622.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £559. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,327.
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 morning. momondo users have found flights departing from Missouri to London Heathrow Airport in the morning for as low as £676. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £838 on average. Flights to London Heathrow Airport from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 £718 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 £604 on momondo.
What is the cheapest airline that flies from Missouri to London Heathrow?
Air Canada, United Airlines, and KLM are the most popular carriers operating from Missouri to London Heathrow
Which airlines fly to London Heathrow Airport?
Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to London Heathrow Airport from Missouri according to our data. Virgin Atlantic is the first choice among our users, with 43% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 5 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 5 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 £502 | Free Cancellation | Rating 7.0 9,210 reviews | |||
| PriceFrom £504 | Free Cancellation | Rating 6.6 6,820 reviews | |||
| PriceFrom £514 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom £535 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom £588 | Free Cancellation | Rating 7.2 10,000 reviews |
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Why use momondo?
Why should I use momondo to find a flight deal from Missouri to London?
It is quick and easy to find Missouri to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Missouri to London with flexible booking policies on momondo?
All flight searches from Missouri to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Missouri to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to London.
I’m not ready to book a flight from Missouri to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Missouri to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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