$463 Find Cheap Flights from McAllen to London Heathrow Airport - Compare and Save

In the last 5 days, the lowest price for a flight from McAllen to London Heathrow Airport was $463 for a one-way ticket and $863 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in McAllen and on arrival in London Heathrow Airport.

McAllen airport is called McAllen Miller Intl and the only airport in London Heathrow Airport is London Heathrow.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between McAllen and London Heathrow Airport.

The two airlines most popular with KAYAK users for flights from McAllen to London are United Airlines and British Airways. With an average price for the route of $1,738 and an overall rating of 7.4, United Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of $1,230 and an overall rating of 6.7.

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 McAllen 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 McAllen is likely to change within 7 days, so travelers know whether to wait or book now.

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 McAllen with another airline. Booking your flights between McAllen and LHR can sometimes prove cheaper using this method.

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 McAllen up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.