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Cheap flights from London Heathrow Airport to McAllen from $892

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 12/8. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 1:59 pmLHR-MFE
26h 39m2 stops
Multiple Airlines Logo
10:23 pm - 2:55 pmMFE-LHR
34h 32m1 stop
$1,082Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 27
British Airways Logo
8:20 am - 11:19 pmLHR-MFE
20h 59m1 stop
British Airways Logo
2:49 pm - 8:35 amMFE-LHR
11h 46m1 stop
$1,108British Airways
Find Deal
Tue, Nov 11 - Thu, Nov 20
American Airlines Logo
12:35 pm - 11:19 pmLHR-MFE
16h 44m2 stops
American Airlines Logo
11:12 am - 8:35 amMFE-LHR
15h 23m1 stop
$1,144American Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
United Airlines Logo
8:30 am - 8:54 amLHR-MFE
30h 24m2 stops
United Airlines Logo
5:00 am - 6:20 amMFE-LHR
19h 20m2 stops
$1,199United Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
British Airways Logo
8:20 am - 4:18 pmLHR-MFE
13h 58m1 stop
British Airways Logo
4:01 pm - 10:00 amMFE-LHR
11h 59m1 stop
$1,235British Airways
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Fri, Dec 5 - Sat, Dec 27
Multiple Airlines Logo
2:50 pm - 2:02 pmLHR-MFE
29h 12m2 stops
Multiple Airlines Logo
12:49 pm - 12:50 pmMFE-LHR
42h 01m3 stops
$1,376Multiple Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
United Airlines Logo
10:00 am - 8:08 pmLHR-MFE
16h 08m1 stop
United Airlines Logo
5:00 pm - 7:30 amMFE-LHR
32h 30m1 stop
$1,463United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
Delta Logo
8:55 am - 11:59 pmLHR-MFE
21h 04m2 stops
Delta Logo
12:44 pm - 9:00 amMFE-LHR
14h 16m2 stops
$1,467Delta
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Wed, Nov 12 - Sun, Nov 16
Air Canada Logo
11:10 am - 9:59 pmLHR-MFE
16h 49m2 stops
Air Canada Logo
5:00 am - 6:30 amMFE-LHR
19h 30m2 stops
$1,473Air Canada
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Fri, Dec 5 - Sat, Dec 27
Air Canada Logo
1:25 pm - 8:54 amLHR-MFE
25h 29m2 stops
Air Canada Logo
2:05 pm - 8:30 amMFE-LHR
36h 25m2 stops
$1,631Air Canada
Find Deal
Fri, Dec 12 - Fri, Dec 19

Delta flights from London Heathrow Airport to McAllen

Our best Delta deals on London Heathrow Airport to McAllen flight tickets
Delta
Nov 12
LHR8:55 amLondon Heathrow
21h 04m
2 stops
MFE11:59 pmMcAllen Miller Intl
Nov 16
MFE12:44 pmMcAllen Miller Intl
14h 16m
2 stops
LHR9:00 amLondon Heathrow
$1,467
Find similar
Delta
Nov 5
LHR12:30 pmLondon Heathrow
17h 29m
2 stops
MFE11:59 pmMcAllen Miller Intl
Nov 9
MFE12:44 pmMcAllen Miller Intl
14h 16m
2 stops
LHR9:00 amLondon Heathrow
$1,476
Find similar
Delta
Nov 5
LHR12:30 pmLondon Heathrow
17h 29m
2 stops
MFE11:59 pmMcAllen Miller Intl
Nov 9
MFE12:44 pmMcAllen Miller Intl
14h 16m
2 stops
LHR9:00 amLondon Heathrow
$1,479
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
Nov 11
LHR8:30 amLondon Heathrow
30h 24m
2 stops
MFE8:54 amMcAllen Miller Intl
Nov 20
MFE5:00 amMcAllen Miller Intl
19h 20m
2 stops
LHR6:20 amLondon Heathrow
$1,199
Find similar
United Airlines
Nov 12
LHR10:00 amLondon Heathrow
16h 08m
1 stop
MFE8:08 pmMcAllen Miller Intl
Nov 16
MFE5:00 pmMcAllen Miller Intl
32h 30m
1 stop
LHR7:30 amLondon Heathrow
$1,463
Find similar
United Airlines
Nov 5
LHR10:00 amLondon Heathrow
17h 59m
1 stop
MFE9:59 pmMcAllen Miller Intl
Nov 9
MFE5:00 pmMcAllen Miller Intl
32h 30m
1 stop
LHR7:30 amLondon Heathrow
$1,472
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 30, 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

Fri 12/5

5:20 pm-1:59 pm

2 stops26h 39m

McAllen Miller Intl

Sat 12/27

10:23 pm-2:55 pm

1 stop34h 32m

$1,082

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 11/11

8:20 am-11:19 pm

1 stop20h 59m

McAllen Miller Intl

Thu 11/20

2:49 pm-8:35 am

1 stop11h 46m

$1,108

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 11/11

12:35 pm-11:19 pm

2 stops16h 44m

McAllen Miller Intl

Thu 11/20

11:12 am-8:35 am

1 stop15h 23m

$1,144

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 11/11

8:30 am-8:54 am

2 stops30h 24m

McAllen Miller Intl

Thu 11/20

5:00 am-6:20 am

2 stops19h 20m

$1,199

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 12/5

8:20 am-4:18 pm

1 stop13h 58m

McAllen Miller Intl

Sat 12/27

4:01 pm-10:00 am

1 stop11h 59m

$1,235

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 11/11

2:50 pm-2:02 pm

2 stops29h 12m

McAllen Miller Intl

Thu 11/20

12:49 pm-12:50 pm

3 stops42h 01m

$1,376

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 11/12

10:00 am-8:08 pm

1 stop16h 08m

McAllen Miller Intl

Sun 11/16

5:00 pm-7:30 am

1 stop32h 30m

$1,463

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 11/12

8:55 am-11:59 pm

2 stops21h 04m

McAllen Miller Intl

Sun 11/16

12:44 pm-9:00 am

2 stops14h 16m

$1,467

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 12/5

11:10 am-9:59 pm

2 stops16h 49m

McAllen Miller Intl

Sat 12/27

5:00 am-6:30 am

2 stops19h 30m

$1,473

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 12/12

1:25 pm-8:54 am

2 stops25h 29m

McAllen Miller Intl

Fri 12/19

2:05 pm-8:30 am

2 stops36h 25m

$1,631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 airline that flies from London Heathrow to McAllen Miller Intl?

American Airlines and United Airlines are the most popular carriers operating from London Heathrow to McAllen Miller Intl

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 round-trip 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?

    A flight from London Heathrow to McAllen Miller Intl will travel around 5133.2 mi. By plane, this route typically takes 13h 58m.

  • 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 updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to McAllen Miller Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at McAllen Miller Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near McAllen?

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

Why use momondo?

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

Finding the right flight to McAllen from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to McAllen quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to McAllen from London with this policy.

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

momondo provides multiple filters to help you find the best flight to McAllen from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to McAllen from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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