Cheap Flights from Mcallen to London Heathrow

Compare Mcallen to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Mcallen to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Mcallen to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.$1,118 per passenger.Departing Sun, 23 Aug, returning Thu, 27 Aug.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Mcallen on Sun, 23 Aug, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Thu, 27 Aug, arriving in Mcallen.Price includes taxes and charges.From $1,118, select.

London.$1,188 per passenger.Departing Tue, 8 Sep, returning Fri, 25 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Mcallen on Tue, 8 Sep, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Fri, 25 Sep, arriving in Mcallen.Price includes taxes and charges.From $1,188, select.

London.$1,218 per passenger.Departing Tue, 14 Apr, returning Tue, 21 Apr.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Mcallen on Tue, 14 Apr, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Tue, 21 Apr, arriving in Mcallen.Price includes taxes and charges.From $1,218, select.

London.$1,220 per passenger.Departing Sun, 29 Mar, returning Tue, 14 Apr.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Mcallen on Sun, 29 Mar, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Tue, 14 Apr, arriving in Mcallen.Price includes taxes and charges.From $1,220, select.

London.$1,324 per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with United.Outbound indirect flight with United, departs from Mcallen on Thu, 8 Oct, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Thu, 15 Oct, arriving in Mcallen.Price includes taxes and charges.From $1,324, select.

London.$1,383 per passenger.Departing Wed, 18 Mar, returning Wed, 25 Mar.Return flight with United.Outbound indirect flight with United, departs from Mcallen on Wed, 18 Mar, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Wed, 25 Mar, arriving in Mcallen.Price includes taxes and charges.From $1,383, select.

London.$1,395 per passenger.Departing Mon, 5 Oct, returning Wed, 30 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Mcallen on Mon, 5 Oct, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Wed, 30 Dec, arriving in Mcallen.Price includes taxes and charges.From $1,395, select.

London.$1,469 per passenger.Departing Sun, 10 May, returning Sat, 23 May.Return flight with United.Outbound indirect flight with United, departs from Mcallen on Sun, 10 May, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Sat, 23 May, arriving in Mcallen.Price includes taxes and charges.From $1,469, select.

Find the cheapest month to fly from Mcallen to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Mcallen to London Heathrow flights are currently cheapest in August.

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Mcallen to London Heathrow: Alternative routes

Compare routes from Mcallen to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Mcallen to London: Flight information

The things to know before you go.

Cheapest flight found	$1,118
Cheapest month to fly	August

Finding cheap flights from Mcallen to London Heathrow: Frequently asked questions

How much are return flights from Mcallen to London Heathrow?

The best price we found for a return flight from Mcallen to London Heathrow is $1,118. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Mcallen to London Heathrow?

Currently, there are no airlines that fly direct from Mcallen to London Heathrow. But we found flights with one or more stops from $1,118.

How many flights are there a week from Mcallen to London Heathrow?

As of March 2026, there are no flights flying from Mcallen to London Heathrow.

When is the cheapest time to fly from Mcallen to London Heathrow?

The cheapest month to fly from Mcallen to London Heathrow is usually August.

Which upcoming date is cheapest to fly from Mcallen Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Mcallen Airport to London Heathrow Airport on Sunday, 23 August 2026.

Can I get a direct flight from Mcallen Airport to London Heathrow Airport?

No airlines currently offer direct flights between Mcallen Airport and London Heathrow Airport. Most routes have one or more stops.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Mcallen Airport to London Heathrow with?

Currently, Iberia offers the cheapest flight tickets to London Heathrow.

Flying from McAllen International Airport (MFE) to London Heathrow Airport (LHR): what you need to know

London is five hours ahead of Mcallen and observes the UTC+0 timezone.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your MFE to LHR flight.
During popular months such as July, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.
Consider adding a stopover when booking your ticket from McAllen International Airport to London Heathrow Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between MFE and LHR:
- George Bush Intercontinental Airport
- Dallas/Fort Worth International Airport
- Austin-Bergstrom International Airport

How to find the cheapest flights from McAllen International Airport (MFE) to London Heathrow Airport (LHR)

Right now, $370 is the cheapest price we've found for a one-way McAllen International Airport to London Heathrow Airport flight. The best price for a return ticket is $1,118. Keep in mind that fares could change due to availability when booking.
Don't leave things to the last minute. You're more likely to find cheap tickets from MFE to LHR if you book early. Airlines often offer some terrific early bird deals.
The 'Whole month' tool shows you the cheapest flights from McAllen International Airport to London Heathrow Airport across the entire month. It's an easy way to find a bargain if your plans are flexible.
Stay on top of deals for cheap flights from MFE to LHR by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare pops up.
Tailor your trip with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from McAllen International Airport to London Heathrow Airport.

Handy information about McAllen International Airport (MFE)

MFE is located at 2500 S Bicentenial Blvd.
83.42% of flights leaving McAllen International Airport land at their destination as planned. Given its impressive on-time stats, you're unlikely to experience delays when jetting out of MFE.
To get to McAllen International Airport from central Mcallen, it takes around 10 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 3 kilometres from the airport to the city centre.
Expect a journey time of about 50 minutes when using public transport.
Booked an early flight from McAllen International Airport to London Heathrow Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by picking one of these stays close to MFE:

Arriving at London Heathrow Airport (LHR)

If you're getting in on a late McAllen International Airport to London Heathrow Airport flight, few things beat the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these hotels near LHR:
Explore without limits with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and chase adventure across London and beyond.
Get the best deal by reserving your vehicle from London Heathrow Airport around one week ahead of your departure.

Getting from London Heathrow Airport (LHR) to central London

From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to get to the centre driving.
It takes around 1 hour if you're travelling on public transport.

When to fly to London Heathrow Airport (LHR)

July is the most popular month for flights from McAllen International Airport to London Heathrow Airport. To skip the crowds, visit London in February.
Lock in your flight from McAllen International Airport to London Heathrow Airport for July if you'd like to explore London during its warmest month. Expect temperatures of between 11ºC and 26ºC.
January sees average temperatures of between 0ºC and 9ºC. Search for cheap tickets from MFE to LHR around that time if you want to travel in cooler conditions.

Explore more of United Kingdom

You've visited London, now it's time to explore other parts of United Kingdom. Journey around 161 kilometres north-west to Birmingham to check off its leading sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.
Bristol is another must-experience destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.