Cheap flights from McAllen to London from $331

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.
Iberia Logo
11:04 am - 6:20 am
MFE
-
LHR
13h 16m
1 stop
Iberia Logo
7:30 am - 9:24 pm
LHR
-
MFE
19h 54m
2 stops
$869Iberia
Wed, Oct 21 - Fri, Nov 6
Iberia Logo
1:51 pm - 9:05 am
MFE
-
LHR
13h 14m
1 stop
Iberia Logo
11:30 am - 12:16 am
LHR
-
MFE
18h 46m
2 stops
$872Iberia
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
5:25 pm - 7:45 am
MFE
-
LHR
32h 20m
1 stop
United Airlines Logo
10:00 am - 5:44 pm
LHR
-
MFE
13h 44m
1 stop
$887United Airlines
Sat, Sep 12 - Tue, Sep 22
United Airlines Logo
2:08 pm - 7:45 am
MFE
-
LHR
11h 37m
1 stop
United Airlines Logo
7:45 am - 7:22 pm
LHR
-
MFE
17h 37m
2 stops
$888United Airlines
Wed, Sep 23 - Wed, Oct 7
Multiple Airlines Logo
4:19 pm - 10:55 am
MFE
-
LHR
12h 36m
1 stop
Multiple Airlines Logo
12:55 pm - 12:16 am
LHR
-
MFE
17h 21m
1 stop
$893Multiple Airlines
Wed, Sep 23 - Wed, Oct 7
Multiple Airlines Logo
9:26 am - 10:55 am
MFE
-
LHR
19h 29m
1 stop
Multiple Airlines Logo
12:55 pm - 9:47 pm
LHR
-
MFE
14h 52m
1 stop
$894Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
British Airways Logo
8:01 pm - 2:25 pm
MFE
-
LHR
12h 24m
1 stop
British Airways Logo
11:00 am - 9:47 pm
LHR
-
MFE
16h 47m
1 stop
$897British Airways
Wed, Sep 16 - Wed, Sep 30
Delta Logo
5:25 am - 1:15 pm
MFE
-
LCY
25h 50m
2 stops
Delta Logo
8:25 am - 11:59 pm
LCY
-
MFE
21h 34m
2 stops
$1,313Delta
Sat, Sep 12 - Mon, Sep 21
Delta Logo
12:56 pm - 4:40 pm
MFE
-
LCY
21h 44m
2 stops
Delta Logo
8:25 am - 11:59 pm
LCY
-
MFE
21h 34m
2 stops
$1,430Delta
Mon, Jun 1 - Mon, Jun 15

United Airlines flights from McAllen to London

Our best United Airlines deals on McAllen to London flight tickets
United Airlines
Sep 16
MFE2:08 pmMcAllen Miller Intl
11h 37m
1 stop
LHR7:45 amLondon Heathrow
Sep 30
LHR5:40 pmLondon Heathrow
31h 42m
2 stops
MFE7:22 pmMcAllen Miller Intl
$885
United Airlines
Sep 12
MFE5:25 pmMcAllen Miller Intl
32h 20m
1 stop
LHR7:45 amLondon Heathrow
Sep 22
LHR10:00 amLondon Heathrow
13h 44m
1 stop
MFE5:44 pmMcAllen Miller Intl
$887
United Airlines
Sep 23
MFE2:08 pmMcAllen Miller Intl
11h 37m
1 stop
LHR7:45 amLondon Heathrow
Oct 7
LHR7:45 amLondon Heathrow
17h 37m
2 stops
MFE7:22 pmMcAllen Miller Intl
$888

British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets
British Airways
Sep 16
MFE8:01 pmMcAllen Miller Intl
12h 24m
1 stop
LHR2:25 pmLondon Heathrow
Sep 30
LHR11:00 amLondon Heathrow
16h 47m
1 stop
MFE9:47 pmMcAllen Miller Intl
$897
British Airways
Sep 16
MFE8:01 pmMcAllen Miller Intl
12h 24m
1 stop
LHR2:25 pmLondon Heathrow
Sep 30
LHR11:00 amLondon Heathrow
19h 16m
1 stop
MFE12:16 amMcAllen Miller Intl
$898
British Airways
Sep 12
MFE8:01 pmMcAllen Miller Intl
28h 19m
1 stop
LHR6:20 amLondon Heathrow
Sep 19
LHR4:25 pmLondon Heathrow
13h 51m
1 stop
MFE12:16 amMcAllen Miller Intl
$954

momondo Fare Finder

 
Customize your flight search to find flights from McAllen to London 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 19, 2026.
Use the filters below to find and compare flights from McAllen to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 10/21

11:04 am-6:20 am

1 stop13h 16m

London Heathrow

Fri 11/6

7:30 am-9:24 pm

2 stops19h 54m

$869

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

1:51 pm-9:05 am

1 stop13h 14m

London Heathrow

Wed 10/7

11:30 am-12:16 am

2 stops18h 46m

$872

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

Sat 9/12

5:25 pm-7:45 am

1 stop32h 20m

London Heathrow

Tue 9/22

10:00 am-5:44 pm

1 stop13h 44m

$887

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

2:08 pm-7:45 am

1 stop11h 37m

London Heathrow

Wed 10/7

7:45 am-7:22 pm

2 stops17h 37m

$888

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/23

4:19 pm-10:55 am

1 stop12h 36m

London Heathrow

Wed 10/7

12:55 pm-12:16 am

1 stop17h 21m

$893

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 9/14

9:26 am-10:55 am

1 stop19h 29m

London Heathrow

Tue 9/22

12:55 pm-9:47 pm

1 stop14h 52m

$894
Quickest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 9/16

8:01 pm-2:25 pm

1 stop12h 24m

London Heathrow

Wed 9/30

11:00 am-9:47 pm

1 stop16h 47m

$897

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 9/12

5:25 am-1:15 pm

2 stops25h 50m

London City

Mon 9/21

8:25 am-11:59 pm

2 stops21h 34m

$1,313

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Mon 6/1

12:56 pm-4:40 pm

2 stops21h 44m

London City

Mon 6/15

8:25 am-11:59 pm

2 stops21h 34m

$1,430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from McAllen is in April. Flight prices, which tend to average around $561, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from McAllen averaging around $573.

Can stopping save me money on McAllen to London flights?

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

When to book flights from McAllen to London

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

Cheap McAllen to London (MFE to LON) flight deals and tips

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

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from McAllen to London takes 12h 10m
There are no direct flights from McAllen to London. There are no popular flight routes from McAllen to London.

Frequently asked questions about flying from McAllen to London

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

    The straight-line distance from McAllen Miller Intl to London is 5145.6 mi. 12h 10m is a normal flight duration for this route.

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

    Prices for flights from McAllen Miller Intl Airport to London refresh daily.

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

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

    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.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London 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. 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?

Best airlines flying from McAllen to London

Compare and see reviews for airlines that fly from McAllen to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $628Free CancellationRating
6.7
7,986 reviews
Search British Airways flights
American AirlinesPriceFrom $682Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
United AirlinesPriceFrom $698Free CancellationRating
7.4
9,731 reviews
Search United Airlines flights

Traveling to a place near London?

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Milton Keynes
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Stansted
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Uxbridge
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Why use momondo?

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

Finding the right flight to London from McAllen 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 London quick and easy, saving you time and money.

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 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.

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1 adult
Thu 6/18
Thu 6/25

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London