Cheap flights from McAllen to London Heathrow Airport from $862
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from McAllen to London Heathrow Airport departing on 7/20. 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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Cheap round-trip flights
United Airlines flights from McAllen to London Heathrow Airport
Our best United Airlines deals on McAllen to London Heathrow Airport flight tickets
British Airways flights from McAllen to London Heathrow Airport
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How to get the cheapest flight ticket from McAllen 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
What is the cheapest month to fly to London Heathrow Airport?
The month of August is, on average, the cheapest month to fly to London Heathrow Airport from McAllen, with most prices found around $648. If you’re not able to fly to London Heathrow Airport in August, then January is your next best option. Flight prices from McAllen to London Heathrow Airport during January average around $743.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $756. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,290.
When to book flights from McAllen to London Heathrow Airport
Cheap McAllen to London Heathrow Airport (MFE to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from McAllen to London Heathrow Airport
How far is McAllen Miller Intl to London Heathrow by plane?
A flight from McAllen Miller Intl to London Heathrow will travel around 5133.2 mi. 11h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from McAllen Miller Intl Airport to London Heathrow Airport?
Prices for flights from McAllen Miller Intl Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from McAllen Miller Intl Airport to London Heathrow Airport?
As of April 2025, there are 3 operators available to choose from for flights from McAllen Miller Intl Airport to London Heathrow Airport.
How old do you have to be to fly from McAllen Miller Intl Airport to London Heathrow 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 McAllen Miller Intl Airport 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.
What is the most popular airline from McAllen to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from McAllen to London Heathrow Airport is American Airlines, representing 35% of all bookings. The subsequent popular airlines are British Airways at 33% and United Airlines at 33%.
Best airlines flying from McAllen to London Heathrow Airport
Compare and see reviews for airlines that fly from McAllen to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $661 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $742 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $751 | Free Cancellation | Rating 6.6 6,771 reviews |
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Why should I use momondo to find a flight deal from McAllen to London?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from McAllen to London. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from McAllen to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from McAllen which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from McAllen to London?
momondo helps you find the best flight between McAllen 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 McAllen to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from McAllen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.