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

British Airways, United Airlines, and Iberia are the most popular carriers 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.

£320 Cheap Flights from McAllen to London Heathrow Airport in 2026

Q: What is the typical price of a round-trip flight between McAllen and London Heathrow Airport?

Prices are currently high for flights on this route. Typical prices usually range from £581 to £541. The lowest price recently found on this route was £711.

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Find the cheapest flights from McAllen to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:10 - 07:55

MFE

LHR

13h 45m

1 stop

07:30 - 22:59

LHR

MFE

21h 29m

2 stops

£711United Airlines

Tue, 12 May - Tue, 19 May

07:00 - 06:30

MFE

LHR

17h 30m

2 stops

09:30 - 21:48

LHR

MFE

18h 18m

2 stops

£713United Airlines

Tue, 12 May - Tue, 19 May

09:25 - 07:55

MFE

LHR

16h 30m

1 stop

13:40 - 22:59

LHR

MFE

15h 19m

1 stop

£724United Airlines

Tue, 12 May - Tue, 19 May

12:56 - 13:15

MFE

LHR

18h 19m

2 stops

20:55 - 23:59

LHR

MFE

33h 04m

2 stops

£727KLM

Mon, 11 May - Tue, 9 Jun

05:17 - 07:55

MFE

LHR

20h 38m

1 stop

07:30 - 21:48

LHR

MFE

20h 18m

2 stops

£743United Airlines

Tue, 14 Apr - Thu, 30 Apr

05:17 - 06:30

MFE

LHR

19h 13m

2 stops

14:05 - 22:59

LHR

MFE

38h 54m

2 stops

£745Air Canada

Tue, 14 Apr - Thu, 30 Apr

15:45 - 12:10

MFE

LHR

14h 25m

1 stop

11:30 - 23:59

LHR

MFE

18h 29m

2 stops

£747British Airways

Mon, 20 Apr - Thu, 14 May

17:15 - 11:35

MFE

LHR

12h 20m

1 stop

10:00 - 22:56

LHR

MFE

18h 56m

1 stop

£748United Airlines

Sun, 10 May - Wed, 10 Jun

05:15 - 07:15

MFE

LHR

20h 00m

2 stops

07:30 - 22:59

LHR

MFE

21h 29m

2 stops

£752United Airlines

Fri, 8 May - Fri, 15 May

13:03 - 13:15

MFE

LHR

18h 12m

2 stops

20:55 - 23:59

LHR

MFE

33h 04m

2 stops

£754KLM

Mon, 20 Apr - Wed, 13 May

Air Canada flights from McAllen to London Heathrow Airport

Our best Air Canada deals on McAllen to London Heathrow Airport flight tickets

Air Canada

14 Apr

MFE05:17McAllen Miller Intl

19h 13m

2 stops

LHR06:30London Heathrow

30 Apr

LHR14:05London Heathrow

38h 54m

2 stops

MFE22:59McAllen Miller Intl

£745

Air Canada

13 Apr

MFE07:00McAllen Miller Intl

21h 00m

2 stops

LHR10:00London Heathrow

24 Apr

LHR08:30London Heathrow

39h 16m

2 stops

MFE17:46McAllen Miller Intl

£786

Air Canada

12 Apr

MFE05:17McAllen Miller Intl

22h 18m

2 stops

LHR09:35London Heathrow

24 Apr

LHR12:05London Heathrow

34h 19m

2 stops

MFE16:24McAllen Miller Intl

£790

United Airlines flights from McAllen to London Heathrow Airport

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

United Airlines

12 May

MFE12:10McAllen Miller Intl

13h 45m

1 stop

LHR07:55London Heathrow

19 May

LHR07:30London Heathrow

21h 29m

2 stops

MFE22:59McAllen Miller Intl

£711

United Airlines

12 May

MFE07:00McAllen Miller Intl

17h 30m

2 stops

LHR06:30London Heathrow

19 May

LHR09:30London Heathrow

18h 18m

2 stops

MFE21:48McAllen Miller Intl

£713

United Airlines

12 May

MFE09:25McAllen Miller Intl

16h 30m

1 stop

LHR07:55London Heathrow

19 May

LHR13:40London Heathrow

15h 19m

1 stop

MFE22:59McAllen Miller Intl

£724

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 12/5

12:10-07:55

1 stop13h 45m

London Heathrow

Tue 19/5

07:30-22:59

2 stops21h 29m

£711

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 12/5

07:00-06:30

2 stops17h 30m

London Heathrow

Tue 19/5

09:30-21:48

2 stops18h 18m

£713

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 12/5

09:25-07:55

1 stop16h 30m

London Heathrow

Tue 19/5

13:40-22:59

1 stop15h 19m

£724

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 11/5

12:56-13:15

2 stops18h 19m

London Heathrow

Tue 9/6

20:55-23:59

2 stops33h 04m

£727

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 14/4

05:17-07:55

1 stop20h 38m

London Heathrow

Thu 30/4

07:30-21:48

2 stops20h 18m

£743

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 14/4

05:17-06:30

2 stops19h 13m

London Heathrow

Thu 30/4

14:05-22:59

2 stops38h 54m

£745

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 20/4

15:45-12:10

1 stop14h 25m

London Heathrow

Thu 14/5

11:30-23:59

2 stops18h 29m

£747

Fastest return journey

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 10/5

17:15-11:35

1 stop12h 20m

London Heathrow

Wed 10/6

10:00-22:56

1 stop18h 56m

£748

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 8/5

05:15-07:15

2 stops20h 00m

London Heathrow

Fri 15/5

07:30-22:59

2 stops21h 29m

£752

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 20/4

13:03-13:15

2 stops18h 12m

London Heathrow

Wed 13/5

20:55-23:59

2 stops33h 04m

£754

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between McAllen and London Heathrow Airport?

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	15h 45m
Direct flights	None

The fastest flight from McAllen to London Heathrow Airport takes 15h 45m

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

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 15h 45m 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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Luton

Gatwick

Maidstone

Slough

Stratford-upon-Avon

Northampton

Swindon

Southend-on-Sea

Ipswich

Wembley

Canterbury

Ilford

Guildford

Poole

Hayes

Chelmsford

Dover

Folkestone

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