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Cheap flights from McAllen to London from $326

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from McAllen to London departing on 9/16. 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 McAllen to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:08 pm - 7:45 am
MFE
-
LHR
11h 37m
1 stop
Lufthansa Logo
6:55 am - 9:58 pm
LHR
-
MFE
21h 03m
2 stops
$857Lufthansa
Wed, Sep 23 - Wed, Oct 7
Lufthansa Logo
12:00 pm - 11:35 am
MFE
-
LHR
17h 35m
1 stop
Lufthansa Logo
6:30 am - 9:58 pm
LHR
-
MFE
21h 28m
2 stops
$869Lufthansa
Wed, Sep 16 - Wed, Sep 30
Iberia Logo
11:04 am - 9:05 am
MFE
-
LHR
16h 01m
1 stop
Iberia Logo
11:30 am - 12:16 am
LHR
-
MFE
18h 46m
2 stops
$870Iberia
Wed, Sep 23 - Wed, Oct 7
Lufthansa Logo
2:08 pm - 7:45 am
MFE
-
LHR
11h 37m
1 stop
Lufthansa Logo
8:30 am - 9:59 pm
LHR
-
MFE
19h 29m
2 stops
$873Lufthansa
Mon, Sep 14 - Tue, Sep 22
Lufthansa Logo
2:08 pm - 6:25 pm
MFE
-
LHR
22h 17m
2 stops
Lufthansa Logo
6:30 am - 9:58 pm
LHR
-
MFE
21h 28m
2 stops
$877Lufthansa
Wed, Sep 16 - Wed, Sep 30
United Airlines Logo
7:00 am - 7:45 am
MFE
-
LHR
18h 45m
1 stop
United Airlines Logo
7:30 am - 10:02 pm
LHR
-
MFE
20h 32m
2 stops
$882United Airlines
Wed, Oct 21 - Fri, Nov 6
Lufthansa Logo
2:08 pm - 7:45 am
MFE
-
LHR
11h 37m
1 stop
Lufthansa Logo
10:00 am - 5:59 pm
LHR
-
MFE
13h 59m
1 stop
$884Lufthansa
Wed, Sep 23 - Wed, Oct 7
United Airlines Logo
2:08 pm - 7:45 am
MFE
-
LHR
11h 37m
1 stop
United Airlines Logo
5:40 pm - 7:22 pm
LHR
-
MFE
31h 42m
2 stops
$885United Airlines
Wed, Sep 16 - Wed, Sep 30
United Airlines Logo
5:19 am - 7:45 am
MFE
-
LHR
20h 26m
1 stop
United Airlines Logo
5:40 pm - 7:22 pm
LHR
-
MFE
31h 42m
2 stops
$886United Airlines
Wed, Sep 16 - Wed, Sep 30
United Airlines Logo
7:00 am - 5:55 am
MFE
-
LHR
16h 55m
2 stops
United Airlines Logo
9:30 am - 10:02 pm
LHR
-
MFE
18h 32m
2 stops
$887United Airlines
Wed, Oct 21 - Fri, Nov 6

Lufthansa flights from McAllen to London Heathrow Airport

Our best Lufthansa deals on McAllen to London Heathrow Airport flight tickets
Lufthansa
Sep 23
MFE2:08 pmMcAllen Miller Intl
11h 37m
1 stop
LHR7:45 amLondon Heathrow
Oct 7
LHR6:55 amLondon Heathrow
21h 03m
2 stops
MFE9:58 pmMcAllen Miller Intl
$857
Lufthansa
Sep 16
MFE12:00 pmMcAllen Miller Intl
17h 35m
1 stop
LHR11:35 amLondon Heathrow
Sep 30
LHR6:30 amLondon Heathrow
21h 28m
2 stops
MFE9:58 pmMcAllen Miller Intl
$869
Lufthansa
Sep 14
MFE2:08 pmMcAllen Miller Intl
11h 37m
1 stop
LHR7:45 amLondon Heathrow
Sep 22
LHR8:30 amLondon Heathrow
19h 29m
2 stops
MFE9:59 pmMcAllen Miller Intl
$873

Iberia flights from McAllen to London Heathrow Airport

Our best Iberia deals on McAllen to London Heathrow Airport flight tickets
Iberia
Sep 23
MFE11:04 amMcAllen Miller Intl
16h 01m
1 stop
LHR9:05 amLondon Heathrow
Oct 7
LHR11:30 amLondon Heathrow
18h 46m
2 stops
MFE12:16 amMcAllen Miller Intl
$870
Iberia
Sep 11
MFE1:51 pmMcAllen Miller Intl
13h 14m
1 stop
LHR9:05 amLondon Heathrow
Sep 26
LHR11:30 amLondon Heathrow
18h 46m
2 stops
MFE12:16 amMcAllen Miller Intl
$968
Iberia
Jul 10
MFE5:25 pmMcAllen Miller Intl
15h 00m
1 stop
LHR2:25 pmLondon Heathrow
Jul 17
LHR2:25 pmLondon Heathrow
13h 21m
1 stop
MFE9:46 pmMcAllen Miller Intl
$1,180

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 23, 2026.
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 round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

2:08 pm-7:45 am

1 stop11h 37m

London Heathrow

Wed 10/7

6:55 am-9:58 pm

2 stops21h 03m

$857

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/16

12:00 pm-11:35 am

1 stop17h 35m

London Heathrow

Wed 9/30

6:30 am-9:58 pm

2 stops21h 28m

$869

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

11:04 am-9:05 am

1 stop16h 01m

London Heathrow

Wed 10/7

11:30 am-12:16 am

2 stops18h 46m

$870

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 9/14

2:08 pm-7:45 am

1 stop11h 37m

London Heathrow

Tue 9/22

8:30 am-9:59 pm

2 stops19h 29m

$873

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/16

2:08 pm-6:25 pm

2 stops22h 17m

London Heathrow

Wed 9/30

6:30 am-9:58 pm

2 stops21h 28m

$877

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 10/21

7:00 am-7:45 am

1 stop18h 45m

London Heathrow

Fri 11/6

7:30 am-10:02 pm

2 stops20h 32m

$882
Quickest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

2:08 pm-7:45 am

1 stop11h 37m

London Heathrow

Wed 10/7

10:00 am-5:59 pm

1 stop13h 59m

$884

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/16

2:08 pm-7:45 am

1 stop11h 37m

London Heathrow

Wed 9/30

5:40 pm-7:22 pm

2 stops31h 42m

$885

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/16

5:19 am-7:45 am

1 stop20h 26m

London Heathrow

Wed 9/30

5:40 pm-7:22 pm

2 stops31h 42m

$886

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 10/21

7:00 am-5:55 am

2 stops16h 55m

London Heathrow

Fri 11/6

9:30 am-10:02 pm

2 stops18h 32m

$887

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 typical price of a round-trip flight between McAllen and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of December is, on average, the cheapest month to fly to London Heathrow Airport from McAllen, with most prices found around $0. If you’re not able to fly to London Heathrow Airport in December, then February is your next best option. Flight prices from McAllen to London Heathrow Airport during February average around $0.

Can stopping save me money on McAllen to London Heathrow Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a McAllen to London Heathrow Airport flight.

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 round-trip 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

11h 37m

Direct flights

None
The fastest flight from McAllen to London Heathrow Airport takes 11h 37m
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

Frequently asked questions about flying from McAllen to London Heathrow Airport

  • How far is McAllen Miller Intl to London Heathrow by plane?

    A flight from McAllen Miller Intl to London Heathrow will travel around 5133.2 mi. 11h 37m is a normal flight duration for this route.

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

  • 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 required for your trip to London Heathrow 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 London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from McAllen to London Heathrow Airport

Compare and see reviews for airlines that fly from McAllen to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $628Free CancellationRating
6.7
7,995 reviews
Search British Airways flights
American AirlinesPriceFrom $682Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $852Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights

Traveling to a place near London?

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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?

momondo does allow users to show only those flights to London from McAllen which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between McAllen and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London from McAllen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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