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Cheap flights from McAllen to London from $280

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 7/15. 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.
United Airlines Logo
5:17 am - 11:35 am
MFE
-
LHR
24h 18m
1 stop
United Airlines Logo
3:05 pm - 10:59 pm
LHR
-
MFE
37h 54m
2 stops
$655United Airlines
月, 3月 30 - 金, 4月 10
United Airlines Logo
6:55 pm - 10:00 am
MFE
-
LHR
33h 05m
2 stops
United Airlines Logo
3:05 pm - 10:59 pm
LHR
-
MFE
37h 54m
2 stops
$658United Airlines
月, 3月 30 - 金, 4月 10
Multiple Airlines Logo
11:00 am - 10:55 am
MFE
-
LHR
17h 55m
1 stop
Multiple Airlines Logo
12:55 pm - 10:40 pm
LHR
-
MFE
15h 45m
1 stop
$678Multiple Airlines
月, 3月 30 - 金, 4月 10
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
火, 3月 24 - 火, 3月 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
火, 3月 24 - 火, 3月 31
American Airlines Logo
9:37 am - 6:50 am
MFE
-
LHR
16h 13m
1 stop
American Airlines Logo
4:25 pm - 8:57 am
LHR
-
MFE
22h 32m
1 stop
$695American Airlines
火, 3月 24 - 火, 3月 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
火, 3月 24 - 火, 3月 31
United Airlines Logo
7:00 am - 5:55 am
MFE
-
LHR
17h 55m
2 stops
United Airlines Logo
11:05 am - 10:59 pm
LHR
-
MFE
17h 54m
2 stops
$699United Airlines
火, 3月 24 - 火, 3月 31
United Airlines Logo
7:00 am - 5:55 am
MFE
-
LHR
17h 55m
2 stops
United Airlines Logo
10:25 am - 10:59 pm
LHR
-
MFE
18h 34m
2 stops
$700United Airlines
火, 3月 24 - 火, 3月 31
United Airlines Logo
5:17 am - 11:35 am
MFE
-
LHR
24h 18m
1 stop
United Airlines Logo
12:05 pm - 7:44 pm
LHR
-
MFE
37h 39m
2 stops
$713United Airlines
月, 3月 30 - 土, 4月 11

United Airlines flights from McAllen to London Heathrow Airport

Our best United Airlines deals on McAllen to London Heathrow Airport flight tickets
United Airlines
Mar 30
MFE5:17 amMcAllen Miller Intl
24h 18m
1 stop
LHR11:35 amLondon Heathrow
Apr 10
LHR3:05 pmLondon Heathrow
37h 54m
2 stops
MFE10:59 pmMcAllen Miller Intl
$655
United Airlines
Mar 30
MFE6:55 pmMcAllen Miller Intl
33h 05m
2 stops
LHR10:00 amLondon Heathrow
Apr 10
LHR3:05 pmLondon Heathrow
37h 54m
2 stops
MFE10:59 pmMcAllen Miller Intl
$658
United Airlines
Mar 24
MFE7:00 amMcAllen Miller Intl
17h 55m
2 stops
LHR5:55 amLondon Heathrow
Mar 31
LHR11:05 amLondon Heathrow
17h 54m
2 stops
MFE10:59 pmMcAllen Miller Intl
$699

Air Canada flights from McAllen to London Heathrow Airport

Our best Air Canada deals on McAllen to London Heathrow Airport flight tickets
Air Canada
Mar 29
MFE7:00 amMcAllen Miller Intl
20h 35m
2 stops
LHR9:35 amLondon Heathrow
Apr 11
LHR9:30 amLondon Heathrow
19h 29m
2 stops
MFE10:59 pmMcAllen Miller Intl
$806
Air Canada
Jul 16
MFE5:09 amMcAllen Miller Intl
19h 26m
2 stops
LHR6:35 amLondon Heathrow
Jul 20
LHR5:40 pmLondon Heathrow
34h 00m
2 stops
MFE9:40 pmMcAllen Miller Intl
$1,107
Air Canada
Jun 13
MFE6:55 pmMcAllen Miller Intl
29h 40m
2 stops
LHR6:35 amLondon Heathrow
Jun 22
LHR8:30 amLondon Heathrow
32h 57m
2 stops
MFE11:27 amMcAllen Miller Intl
$1,201

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 2月 8, 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

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

月 3/30

5:17 am-11:35 am

1 stop24h 18m

London Heathrow

金 4/10

3:05 pm-10:59 pm

2 stops37h 54m

$655

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

月 3/30

6:55 pm-10:00 am

2 stops33h 05m

London Heathrow

金 4/10

3:05 pm-10:59 pm

2 stops37h 54m

$658

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

月 3/30

11:00 am-10:55 am

1 stop17h 55m

London Heathrow

金 4/10

12:55 pm-10:40 pm

1 stop15h 45m

$678

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

3:48 pm-12:15 pm

1 stop15h 27m

London Heathrow

火 3/31

11:30 am-8:57 am

2 stops27h 27m

$688

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

9:37 am-6:50 am

1 stop16h 13m

London Heathrow

火 3/31

11:30 am-8:57 am

2 stops27h 27m

$689

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

9:37 am-6:50 am

1 stop16h 13m

London Heathrow

火 3/31

4:25 pm-8:57 am

1 stop22h 32m

$695

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

5:01 pm-12:15 pm

1 stop14h 14m

London Heathrow

火 3/31

4:25 pm-10:15 am

1 stop23h 50m

$696

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

7:00 am-5:55 am

2 stops17h 55m

London Heathrow

火 3/31

11:05 am-10:59 pm

2 stops17h 54m

$699

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

火 3/24

7:00 am-5:55 am

2 stops17h 55m

London Heathrow

火 3/31

10:25 am-10:59 pm

2 stops18h 34m

$700

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

月 3/30

5:17 am-11:35 am

1 stop24h 18m

London Heathrow

土 4/11

12:05 pm-7:44 pm

2 stops37h 39m

$713

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 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

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

You could potentially save up to 20% 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

  • 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
7,720 reviews
Search British Airways flights
American AirlinesPriceFrom $682Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
United AirlinesPriceFrom $698Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights

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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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