Cheap flights from McAllen to London from $302

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 4/23. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 pm - 11:35 am
MFE
-
LHR
12h 20m
1 stop
United Airlines Logo
3:05 pm - 10:59 pm
LHR
-
MFE
37h 54m
2 stops
$653United Airlines
Tue, Apr 21 - Wed, May 6
United Airlines Logo
7:00 am - 6:30 am
MFE
-
LHR
17h 30m
2 stops
United Airlines Logo
9:30 am - 9:48 pm
LHR
-
MFE
18h 18m
2 stops
$663United Airlines
Tue, Apr 21 - Wed, May 6
Multiple Airlines Logo
3:45 pm - 10:55 am
MFE
-
LHR
13h 10m
1 stop
Multiple Airlines Logo
12:55 pm - 10:40 pm
LHR
-
MFE
15h 45m
1 stop
$671Multiple Airlines
Tue, Apr 21 - Wed, May 6
British Airways Logo
3:48 pm - 12:15 pm
MFE
-
LHR
15h 27m
1 stop
British Airways Logo
11:30 am - 8:57 am
LHR
-
MFE
27h 27m
2 stops
$688British Airways
Tue, Mar 24 - Tue, Mar 31
British Airways Logo
9:37 am - 6:50 am
MFE
-
LHR
16h 13m
1 stop
British Airways Logo
11:30 am - 8:57 am
LHR
-
MFE
27h 27m
2 stops
$689British Airways
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
11:00 am - 6:50 am
MFE
-
LHR
14h 50m
1 stop
American Airlines Logo
4:25 pm - 8:57 am
LHR
-
MFE
22h 32m
1 stop
$695American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:01 pm - 12:15 pm
MFE
-
LHR
14h 14m
1 stop
American Airlines Logo
4:25 pm - 10:15 am
LHR
-
MFE
23h 50m
1 stop
$696American Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
12:13 pm - 10:00 am
MFE
-
LGW
39h 47m
2 stops
Multiple Airlines Logo
2:00 pm - 6:10 pm
LGW
-
MFE
34h 10m
1 stop
$947Multiple Airlines
Mon, Mar 30 - Sat, Apr 11
Iberia Logo
11:00 am - 10:50 am
MFE
-
LGW
18h 50m
2 stops
Iberia Logo
8:40 pm - 12:08 am
LGW
-
MFE
33h 28m
2 stops
$1,127Iberia
Tue, Mar 24 - Tue, Mar 31
Iberia Logo
11:00 am - 2:05 pm
MFE
-
LCY
21h 05m
2 stops
Iberia Logo
7:15 pm - 11:06 pm
LCY
-
MFE
33h 51m
2 stops
$1,223Iberia
Wed, Feb 25 - Sun, Mar 1

British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets
British Airways
Mar 31
MFE3:48 pmMcAllen Miller Intl
16h 37m
1 stop
LHR2:25 pmLondon Heathrow
Apr 7
LHR8:55 amLondon Heathrow
14h 35m
1 stop
MFE5:30 pmMcAllen Miller Intl
$671
British Airways
Mar 24
MFE3:48 pmMcAllen Miller Intl
15h 27m
1 stop
LHR12:15 pmLondon Heathrow
Mar 31
LHR11:30 amLondon Heathrow
27h 27m
2 stops
MFE8:57 amMcAllen Miller Intl
$688
British Airways
Mar 24
MFE9:37 amMcAllen Miller Intl
16h 13m
1 stop
LHR6:50 amLondon Heathrow
Mar 31
LHR11:30 amLondon Heathrow
27h 27m
2 stops
MFE8:57 amMcAllen Miller Intl
$689

Air Canada flights from McAllen to London

Our best Air Canada deals on McAllen to London flight tickets
Air Canada
Mar 31
MFE5:17 amMcAllen Miller Intl
19h 18m
2 stops
LHR6:35 amLondon Heathrow
Apr 7
LHR5:40 pmLondon Heathrow
35h 19m
2 stops
MFE10:59 pmMcAllen Miller Intl
$674
Air Canada
Mar 16
MFE7:05 pmMcAllen Miller Intl
30h 25m
2 stops
LHR6:30 amLondon Heathrow
Mar 23
LHR6:00 pmLondon Heathrow
33h 59m
2 stops
MFE10:59 pmMcAllen Miller Intl
$827
Air Canada
Jul 6
MFE7:00 amMcAllen Miller Intl
22h 50m
2 stops
LHR11:50 amLondon Heathrow
Aug 14
LHR9:30 amLondon Heathrow
29h 37m
2 stops
MFE9:07 amMcAllen Miller Intl
$933

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 February 10, 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

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

5:15 pm-11:35 am

1 stop12h 20m

London Heathrow

Wed 5/6

3:05 pm-10:59 pm

2 stops37h 54m

$653

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

7:00 am-6:30 am

2 stops17h 30m

London Heathrow

Wed 5/6

9:30 am-9:48 pm

2 stops18h 18m

$663

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

3:45 pm-10:55 am

1 stop13h 10m

London Heathrow

Wed 5/6

12:55 pm-10:40 pm

1 stop15h 45m

$671

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

3:48 pm-12:15 pm

1 stop15h 27m

London Heathrow

Tue 3/31

11:30 am-8:57 am

2 stops27h 27m

$688

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

9:37 am-6:50 am

1 stop16h 13m

London Heathrow

Tue 3/31

11:30 am-8:57 am

2 stops27h 27m

$689

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

11:00 am-6:50 am

1 stop14h 50m

London Heathrow

Tue 3/31

4:25 pm-8:57 am

1 stop22h 32m

$695

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

5:01 pm-12:15 pm

1 stop14h 14m

London Heathrow

Tue 3/31

4:25 pm-10:15 am

1 stop23h 50m

$696

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Mon 3/30

12:13 pm-10:00 am

2 stops39h 47m

London Gatwick

Sat 4/11

2:00 pm-6:10 pm

1 stop34h 10m

$947

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Tue 3/24

11:00 am-10:50 am

2 stops18h 50m

London Gatwick

Tue 3/31

8:40 pm-12:08 am

2 stops33h 28m

$1,127

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 2/25

11:00 am-2:05 pm

2 stops21h 05m

London City

Sun 3/1

7:15 pm-11:06 pm

2 stops33h 51m

$1,223

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 cheapest month to fly to London?

The cheapest month to fly to London from McAllen is in January. Flight prices, which tend to average around $607, 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 $641.

Can stopping save me money on McAllen to London flights?

You could potentially save up to 20% 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

11h 37m

Direct flights

None
The fastest flight from McAllen to London takes 11h 37m
There are no direct flights from McAllen to London. There are no popular flight routes 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. 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?

    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
7,728 reviews
Search British Airways flights
American AirlinesPriceFrom $682Free CancellationRating
7.2
11,266 reviews
Search American Airlines flights
United AirlinesPriceFrom $698Free CancellationRating
7.4
9,273 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
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Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

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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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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1 adult
Thu 3/12
Thu 3/19

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