What is the cheapest airline that flies from McAllen Miller Intl to London Heathrow?

United Airlines is the most popular carrier operating from McAllen Miller Intl to London Heathrow

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 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£346 Cheap Flights from McAllen to London Heathrow Airport in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from McAllen to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:56 - 06:50

MFE

LHR

12h 54m

1 stop

07:30 - 21:36

LHR

MFE

20h 06m

2 stops

£648Iberia

Tue, 1 Dec - Tue, 8 Dec

14:49 - 13:35

MFE

LHR

16h 46m

2 stops

19:40 - 08:57

LHR

MFE

19h 17m

2 stops

£654Iberia

Wed, 2 Dec - Wed, 9 Dec

11:13 - 14:25

MFE

LHR

21h 12m

1 stop

20:00 - 00:08

LHR

MFE

34h 08m

2 stops

£656Iberia

Wed, 14 Oct - Tue, 20 Oct

19:27 - 07:10

MFE

LHR

29h 43m

2 stops

15:00 - 16:00

LHR

MFE

31h 00m

2 stops

£668Air Canada

Tue, 1 Dec - Tue, 8 Dec

11:56 - 06:50

MFE

LHR

12h 54m

1 stop

13:50 - 21:36

LHR

MFE

13h 46m

1 stop

£671British Airways

Tue, 1 Dec - Tue, 8 Dec

11:13 - 09:00

MFE

LHR

15h 47m

1 stop

08:55 - 17:31

LHR

MFE

14h 36m

1 stop

£672British Airways

Wed, 14 Oct - Tue, 20 Oct

11:21 - 10:55

MFE

LHR

17h 34m

1 stop

12:55 - 21:46

LHR

MFE

14h 51m

1 stop

£676Multiple Airlines

Wed, 23 Sep - Wed, 7 Oct

14:08 - 07:45

MFE

LHR

11h 37m

1 stop

13:40 - 21:58

LHR

MFE

14h 18m

1 stop

£678United Airlines

Wed, 23 Sep - Wed, 7 Oct

11:21 - 10:55

MFE

LHR

17h 34m

1 stop

12:55 - 21:46

LHR

MFE

14h 51m

1 stop

£679Multiple Airlines

Wed, 23 Sep - Wed, 7 Oct

09:59 - 12:00

MFE

LHR

20h 01m

1 stop

06:15 - 23:17

LHR

MFE

23h 02m

2 stops

£685Iberia

Sun, 10 Jan - Sun, 17 Jan

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British Airways flights from McAllen to London Heathrow Airport

Our best British Airways deals on McAllen to London Heathrow Airport flight tickets

British Airways

1 Dec

MFE11:56McAllen Miller Intl

12h 54m

1 stop

LHR06:50London Heathrow

8 Dec

LHR13:50London Heathrow

13h 46m

1 stop

MFE21:36McAllen Miller Intl

£671

British Airways

14 Oct

MFE11:13McAllen Miller Intl

15h 47m

1 stop

LHR09:00London Heathrow

20 Oct

LHR08:55London Heathrow

14h 36m

1 stop

MFE17:31McAllen Miller Intl

£672

British Airways

16 Sept

MFE11:21McAllen Miller Intl

15h 44m

1 stop

LHR09:05London Heathrow

30 Sept

LHR10:50London Heathrow

27h 54m

2 stops

MFE08:44McAllen Miller Intl

£703

United Airlines flights from McAllen to London Heathrow Airport

Our best United Airlines deals on McAllen to London Heathrow Airport flight tickets

United Airlines

23 Sept

MFE07:00McAllen Miller Intl

16h 55m

2 stops

LHR05:55London Heathrow

7 Oct

LHR10:25London Heathrow

17h 33m

2 stops

MFE21:58McAllen Miller Intl

£678

United Airlines

26 Aug

MFE17:25McAllen Miller Intl

12h 10m

1 stop

LHR11:35London Heathrow

9 Sept

LHR07:30London Heathrow

20h 29m

2 stops

MFE21:59McAllen Miller Intl

£705

United Airlines

15 Aug

MFE17:25McAllen Miller Intl

32h 20m

1 stop

LHR07:45London Heathrow

28 Aug

LHR14:05London Heathrow

37h 54m

2 stops

MFE21:59McAllen Miller Intl

£707

momondo Fare Finder

Use the filters below to find and compare flights from McAllen to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 1/12

11:56-06:50

1 stop12h 54m

London Heathrow

Tue 8/12

07:30-21:36

2 stops20h 06m

£648

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 2/12

14:49-13:35

2 stops16h 46m

London Heathrow

Wed 9/12

19:40-08:57

2 stops19h 17m

£654

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 14/10

11:13-14:25

1 stop21h 12m

London Heathrow

Tue 20/10

20:00-00:08

2 stops34h 08m

£656

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 1/12

19:27-07:10

2 stops29h 43m

London Heathrow

Tue 8/12

15:00-16:00

2 stops31h 00m

£668

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 1/12

11:56-06:50

1 stop12h 54m

London Heathrow

Tue 8/12

13:50-21:36

1 stop13h 46m

£671

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 14/10

11:13-09:00

1 stop15h 47m

London Heathrow

Tue 20/10

08:55-17:31

1 stop14h 36m

£672

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 23/9

11:21-10:55

1 stop17h 34m

London Heathrow

Wed 7/10

12:55-21:46

1 stop14h 51m

£676

Fastest return journey

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 23/9

14:08-07:45

1 stop11h 37m

London Heathrow

Wed 7/10

13:40-21:58

1 stop14h 18m

£678

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 23/9

11:21-10:55

1 stop17h 34m

London Heathrow

Wed 7/10

12:55-21:46

1 stop14h 51m

£679

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 10/1

09:59-12:00

1 stop20h 01m

London Heathrow

Sun 17/1

06:15-23:17

2 stops23h 02m

£685

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to London Heathrow Airport?

In general, December is the cheapest month to fly from McAllen to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £0. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from McAllen averaging around £525.

When to book flights from McAllen to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from McAllen to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

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

Fastest flight time	17h 34m
Direct flights	None

The fastest flight from McAllen to London Heathrow Airport takes 17h 34m

There are no direct flights from McAllen to London Heathrow Airport. There are no popular flight routes from McAllen to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from McAllen to London Heathrow Airport

How far is McAllen Miller Intl to London Heathrow by plane?
The distance between McAllen Miller Intl and London Heathrow is about 5133.2 mi. Typically, this will take 17h 34m by plane in normal conditions.
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 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Can I find flights from McAllen to London with flexible booking policies on momondo?

All flight searches from McAllen to London on momondo can be filtered to show those which offer flexible booking policies.

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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 McAllen to London.

I’m not ready to book a flight from McAllen to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from McAllen and alert you when they change.