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Cheap flights from London Heathrow Airport to McAllen from £677

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to McAllen departing on 8/12. 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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Find the cheapest flights from London Heathrow Airport to McAllen

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
06:15 - 20:31LHR-MFE
20h 16m2 stops
British Airways Logo
09:43 - 08:35MFE-LHR
16h 52m1 stop
£1,051British Airways
Find Deal
Wed, 12 Nov - Thu, 20 Nov
British Airways Logo
16:30 - 10:44LHR-MFE
24h 14m1 stop
British Airways Logo
14:49 - 08:35MFE-LHR
11h 46m1 stop
£1,062British Airways
Find Deal
Wed, 12 Nov - Thu, 20 Nov
Multiple Airlines Logo
14:50 - 12:02LHR-MFE
27h 12m2 stops
Multiple Airlines Logo
21:36 - 12:50MFE-LHR
33h 14m2 stops
£1,087Multiple Airlines
Find Deal
Wed, 12 Nov - Thu, 20 Nov
United Airlines Logo
10:00 - 20:08LHR-MFE
16h 08m1 stop
United Airlines Logo
17:00 - 07:30MFE-LHR
32h 30m1 stop
£1,110United Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
08:55 - 23:59LHR-MFE
21h 04m2 stops
Delta Logo
12:44 - 09:00MFE-LHR
14h 16m2 stops
£1,113Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov

British Airways flights from London Heathrow Airport to McAllen

Our best British Airways deals on London Heathrow Airport to McAllen flight tickets
British Airways
12 Nov
LHR06:15London Heathrow
20h 16m
2 stops
MFE20:31McAllen Miller Intl
20 Nov
MFE09:43McAllen Miller Intl
16h 52m
1 stop
LHR08:35London Heathrow
£1,051
Find similar
British Airways
12 Nov
LHR16:30London Heathrow
24h 14m
1 stop
MFE10:44McAllen Miller Intl
20 Nov
MFE14:49McAllen Miller Intl
11h 46m
1 stop
LHR08:35London Heathrow
£1,062
Find similar

United Airlines flights from London Heathrow Airport to McAllen

Our best United Airlines deals on London Heathrow Airport to McAllen flight tickets
United Airlines
12 Nov
LHR12:05London Heathrow
14h 03m
1 stop
MFE20:08McAllen Miller Intl
16 Nov
MFE17:00McAllen Miller Intl
32h 30m
1 stop
LHR07:30London Heathrow
£1,106
Find similar
United Airlines
12 Nov
LHR10:00London Heathrow
16h 08m
1 stop
MFE20:08McAllen Miller Intl
16 Nov
MFE17:00McAllen Miller Intl
32h 30m
1 stop
LHR07:30London Heathrow
£1,110
Find similar
United Airlines
5 Nov
LHR09:10London Heathrow
18h 49m
2 stops
MFE21:59McAllen Miller Intl
9 Nov
MFE17:00McAllen Miller Intl
32h 30m
1 stop
LHR07:30London Heathrow
£1,117
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to McAllen 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 31 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to McAllen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 12/11

06:15-20:31

2 stops20h 16m

McAllen Miller Intl

Thu 20/11

09:43-08:35

1 stop16h 52m

£1,051

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 12/11

16:30-10:44

1 stop24h 14m

McAllen Miller Intl

Thu 20/11

14:49-08:35

1 stop11h 46m

£1,062

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 12/11

14:50-12:02

2 stops27h 12m

McAllen Miller Intl

Thu 20/11

21:36-12:50

2 stops33h 14m

£1,087

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 12/11

10:00-20:08

1 stop16h 08m

McAllen Miller Intl

Sun 16/11

17:00-07:30

1 stop32h 30m

£1,110

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 12/11

08:55-23:59

2 stops21h 04m

McAllen Miller Intl

Sun 16/11

12:44-09:00

2 stops14h 16m

£1,113

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 8/12

10:05-19:04

1 stop14h 59m

£677

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 27/12

07:40-20:00

2 stops18h 20m

£711

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 5/1

13:35-11:28

2 stops27h 53m

£944

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Thu 18/12

09:30-23:25

2 stops19h 55m

£1,026

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Thu 18/12

12:05-11:38

1 stop29h 33m

£1,036

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to McAllen from

How to get the cheapest flight ticket from London Heathrow Airport to McAllen

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 day to depart on your flight to McAllen?

Our data shows that Monday is the least expensive day to fly to McAllen. Tickets to fly out on this day can be as low as £743. The most expensive day to fly to McAllen is Thursday, with ticket prices averaging around £918.

What is the cheapest time of day to depart on your flight to McAllen?

Flying to McAllen from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £799 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £871 on average. Flights to McAllen from London Heathrow Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from London Heathrow Airport to McAllen

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

Cheap London Heathrow Airport to McAllen (LHR to MFE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to McAllen

Direct flights

None
There are no direct flights from London Heathrow Airport to McAllen. There are no popular flight routes from London Heathrow Airport to McAllen.
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  • How far is London Heathrow to McAllen Miller Intl by plane?

    McAllen Miller Intl is 5133.2 mi away from London Heathrow. By plane, this route typically takes 16h 08m.

  • When did momondo last update prices for flights from London Heathrow Airport to McAllen Miller Intl Airport?

    Prices for flights from London Heathrow Airport to McAllen Miller Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to McAllen Miller Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to McAllen Miller Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to McAllen Miller Intl Airport.

  • What documentation or ID do you need to fly to McAllen Miller Intl Airport?

    The travel and health documents you'll need for your trip to McAllen Miller Intl 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 McAllen Miller Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to McAllen?

Best airlines flying from London Heathrow Airport to McAllen

Compare and see reviews for airlines that fly from London Heathrow Airport to McAllen with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £625Free CancellationRating
6.7
7,487 reviews
Search British Airways flights

Travelling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Edinburg
Pharr

Why use momondo?

Why should I use momondo to find a flight deal from London to McAllen?

It is quick and easy to find London to McAllen flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to McAllen that suits you.

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

Yes. momondo allows you to filter the results for London to McAllen flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to McAllen from London.

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

Of course. momondo tracks the price of London to McAllen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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