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Cheap flights from London Heathrow Airport to McAllen from $905

This is the cheapest round-trip 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 11/8. 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

American Airlines Logo
8:35 am - 11:19 pmLHR-MFE
20h 44m2 stops
American Airlines Logo
5:34 am - 9:30 amMFE-LHR
21h 56m2 stops
$905American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
American Airlines Logo
8:35 am - 11:19 pmLHR-MFE
20h 44m2 stops
American Airlines Logo
9:43 am - 10:00 amMFE-LHR
18h 17m1 stop
$907American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
United Airlines Logo
7:40 am - 8:08 pmLHR-MFE
18h 28m2 stops
United Airlines Logo
5:00 pm - 10:15 amMFE-LHR
11h 15m1 stop
$927United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
United Airlines Logo
10:00 am - 6:07 pmLHR-MFE
14h 07m1 stop
United Airlines Logo
9:50 am - 7:30 amMFE-LHR
15h 40m1 stop
$929United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12

American Airlines flights from London Heathrow Airport to McAllen

Our best American Airlines deals on London Heathrow Airport to McAllen flight tickets
American Airlines
Nov 8
LHR8:35 amLondon Heathrow
20h 44m
2 stops
MFE11:19 pmMcAllen Miller Intl
Nov 12
MFE5:34 amMcAllen Miller Intl
21h 56m
2 stops
LHR9:30 amLondon Heathrow
$905
Find similar
American Airlines
Nov 8
LHR8:35 amLondon Heathrow
20h 44m
2 stops
MFE11:19 pmMcAllen Miller Intl
Nov 12
MFE9:43 amMcAllen Miller Intl
18h 17m
1 stop
LHR10:00 amLondon Heathrow
$907
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 8
LHR7:40 amLondon Heathrow
18h 28m
2 stops
MFE8:08 pmMcAllen Miller Intl
Nov 12
MFE5:00 pmMcAllen Miller Intl
11h 15m
1 stop
LHR10:15 amLondon Heathrow
$927
Find similar
United Airlines
Nov 8
LHR10:00 amLondon Heathrow
14h 07m
1 stop
MFE6:07 pmMcAllen Miller Intl
Nov 12
MFE9:50 amMcAllen Miller Intl
15h 40m
1 stop
LHR7:30 amLondon Heathrow
$929
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 September 16, 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

Sat 11/8

8:35 am-11:19 pm

2 stops20h 44m

McAllen Miller Intl

Wed 11/12

5:34 am-9:30 am

2 stops21h 56m

$905

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 11/8

8:35 am-11:19 pm

2 stops20h 44m

McAllen Miller Intl

Wed 11/12

9:43 am-10:00 am

1 stop18h 17m

$907

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 11/8

7:40 am-8:08 pm

2 stops18h 28m

McAllen Miller Intl

Wed 11/12

5:00 pm-10:15 am

1 stop11h 15m

$927

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 11/8

10:00 am-6:07 pm

1 stop14h 07m

McAllen Miller Intl

Wed 11/12

9:50 am-7:30 am

1 stop15h 40m

$929

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 1/28

12:05 pm-8:05 pm

1 stop14h 00m

$1,243

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

United Airlines is the most popular carrier 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 14h 07m.

  • 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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