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Cheap flights from McAllen to London from £464

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from McAllen to London departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

United Airlines Logo
19:22 - 07:30MFE-LHR
30h 08m1 stop
United Airlines Logo
14:30 - 21:59LHR-MFE
37h 29m2 stops
£464United Airlines
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Mon, 3 Nov - Tue, 11 Nov
United Airlines Logo
07:00 - 07:30MFE-LHR
18h 30m1 stop
United Airlines Logo
12:05 - 20:08LHR-MFE
14h 03m1 stop
£481United Airlines
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Wed, 5 Nov - Fri, 14 Nov
United Airlines Logo
07:00 - 07:30MFE-LHR
18h 30m1 stop
United Airlines Logo
10:00 - 23:25LHR-MFE
19h 25m1 stop
£504United Airlines
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Sun, 30 Nov - Mon, 22 Dec
Delta Logo
05:25 - 07:50MFE-LHR
20h 25m2 stops
Delta Logo
15:50 - 11:54LHR-MFE
26h 04m2 stops
£506Delta
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Mon, 1 Dec - Mon, 22 Dec
British Airways Logo
14:49 - 10:00MFE-LHR
13h 11m1 stop
British Airways Logo
08:20 - 23:19LHR-MFE
20h 59m1 stop
£535British Airways
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Mon, 3 Nov - Tue, 11 Nov
Delta Logo
05:25 - 06:25MFE-LHR
19h 00m2 stops
Delta Logo
15:50 - 11:54LHR-MFE
26h 04m2 stops
£543Delta
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Thu, 4 Dec - Mon, 22 Dec
Air Canada Logo
19:22 - 07:10MFE-LHR
29h 48m2 stops
Air Canada Logo
13:25 - 08:54LHR-MFE
25h 29m2 stops
£605Air Canada
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Mon, 3 Nov - Tue, 11 Nov
British Airways Logo
17:31 - 07:50MFE-LHR
32h 19m1 stop
British Airways Logo
16:30 - 22:53LHR-MFE
35h 23m2 stops
£925British Airways
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Sat, 25 Oct - Mon, 27 Oct
Logo
07:00 - 08:10MFE-LHR
19h 10m2 stops
Logo
19:40 - 22:53LHR-MFE
32h 13m2 stops
£1,044
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Sat, 25 Oct - Mon, 27 Oct
Logo
10:38 - 07:50MFE-LHR
15h 12m1 stop
Logo
16:30 - 09:51LHR-MFE
22h 21m1 stop
£1,087
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Sat, 25 Oct - Mon, 27 Oct

United Airlines flights from McAllen to London Heathrow Airport

Our best United Airlines deals on McAllen to London Heathrow Airport flight tickets
United Airlines
3 Nov
MFE19:22McAllen Miller Intl
30h 08m
1 stop
LHR07:30London Heathrow
11 Nov
LHR14:30London Heathrow
37h 29m
2 stops
MFE21:59McAllen Miller Intl
£464
Find similar
United Airlines
5 Nov
MFE07:00McAllen Miller Intl
18h 30m
1 stop
LHR07:30London Heathrow
14 Nov
LHR12:05London Heathrow
14h 03m
1 stop
MFE20:08McAllen Miller Intl
£481
Find similar
United Airlines
30 Nov
MFE07:00McAllen Miller Intl
18h 30m
1 stop
LHR07:30London Heathrow
22 Dec
LHR10:00London Heathrow
19h 25m
1 stop
MFE23:25McAllen Miller Intl
£504
Find similar

Delta flights from McAllen to London Heathrow Airport

Our best Delta deals on McAllen to London Heathrow Airport flight tickets
Delta
1 Dec
MFE05:25McAllen Miller Intl
20h 25m
2 stops
LHR07:50London Heathrow
22 Dec
LHR15:50London Heathrow
26h 04m
2 stops
MFE11:54McAllen Miller Intl
£506
Find similar
Delta
4 Dec
MFE05:25McAllen Miller Intl
19h 00m
2 stops
LHR06:25London Heathrow
22 Dec
LHR15:50London Heathrow
26h 04m
2 stops
MFE11:54McAllen Miller Intl
£543
Find similar
Delta
5 Nov
MFE17:14McAllen Miller Intl
38h 36m
2 stops
LHR13:50London Heathrow
14 Nov
LHR11:45London Heathrow
58h 59m
2 stops
MFE16:44McAllen Miller Intl
£552
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momondo Fare Finder

 
Customise your flight search to find flights from McAllen to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 12 September 2025.
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

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 3/11

19:22-07:30

1 stop30h 08m

London Heathrow

Tue 11/11

14:30-21:59

2 stops37h 29m

£464

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 5/11

07:00-07:30

1 stop18h 30m

London Heathrow

Fri 14/11

12:05-20:08

1 stop14h 03m

£481

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 30/11

07:00-07:30

1 stop18h 30m

London Heathrow

Mon 22/12

10:00-23:25

1 stop19h 25m

£504

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 1/12

05:25-07:50

2 stops20h 25m

London Heathrow

Mon 22/12

15:50-11:54

2 stops26h 04m

£506

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 3/11

14:49-10:00

1 stop13h 11m

London Heathrow

Tue 11/11

08:20-23:19

1 stop20h 59m

£535

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 4/12

05:25-06:25

2 stops19h 00m

London Heathrow

Mon 22/12

15:50-11:54

2 stops26h 04m

£543

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 3/11

19:22-07:10

2 stops29h 48m

London Heathrow

Tue 11/11

13:25-08:54

2 stops25h 29m

£605

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 25/10

17:31-07:50

1 stop32h 19m

London Heathrow

Mon 27/10

16:30-22:53

2 stops35h 23m

£925

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 25/10

07:00-08:10

2 stops19h 10m

London Heathrow

Mon 27/10

19:40-22:53

2 stops32h 13m

£1,044

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 25/10

10:38-07:50

1 stop15h 12m

London Heathrow

Mon 27/10

16:30-09:51

1 stop22h 21m

£1,087

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to London from

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?

In general, August 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 £482. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from McAllen averaging around £517.

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

Direct flights

None
There are no direct flights from McAllen to London Heathrow Airport. There are no popular flight routes from McAllen to London Heathrow Airport.
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  • 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 11h 25m 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Northampton
Gatwick
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Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Dover

Why use momondo?

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?

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

How can momondo help me find flights from McAllen to London?

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.

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