Which airport is the most popular layover for flights between McAllen and London?

Houston (IAH) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from McAllen to London?

Houston (IAH) has the shortest average layover time for this route: 1h 46m.

Which layover airport has the shortest travel time from McAllen to London?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 12h 11m.

What airlines fly to London?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from McAllen according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from McAllen Miller Intl to London?

United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from McAllen Miller Intl to London

Which layover airport offers the lowest fares from McAllen to London?

Flights via Dallas (DFW) offer the lowest average round-trip price of $909.

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?

As of October 2025, there are 3 operators available to choose from 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.

$399 Cheap Flights from McAllen to London in 2025/26

Q: What is the typical price of a round-trip flight between McAllen and London?

Prices are currently typical for flights on this route. Typical prices usually range from $641 to $848. The lowest price recently found on this route was $649.

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Find the cheapest flights from McAllen to London

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7:00 am - 10:15 amMFE-LHR

21h 15m1 stop

10:00 am - 7:56 pmLHR-MFE

15h 56m1 stop

$649United Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

7:00 am - 8:25 amMFE-LHR

19h 25m2 stops

10:00 am - 7:56 pmLHR-MFE

15h 56m1 stop

$654United Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

11:53 am - 8:35 amMFE-LHR

14h 42m1 stop

8:20 am - 10:59 pmLHR-MFE

20h 39m1 stop

$664British Airways

Find Deal

Sun, Dec 7 - Fri, Dec 19

5:09 pm - 6:50 amMFE-LHR

31h 41m1 stop

8:20 am - 10:59 pmLHR-MFE

20h 39m1 stop

$677British Airways

Find Deal

Sat, Dec 6 - Fri, Dec 19

12:15 pm - 11:05 amMFE-LHR

16h 50m2 stops

10:00 am - 9:59 pmLHR-MFE

17h 59m1 stop

$740United Airlines

Find Deal

Fri, Nov 14 - Sat, Nov 22

7:00 am - 6:30 amMFE-LHR

41h 30m2 stops

1:00 pm - 8:54 amLHR-MFE

25h 54m2 stops

$753Air Canada

Find Deal

Fri, Nov 14 - Sat, Nov 22

5:24 pm - 1:15 pmMFE-LCY

37h 51m2 stops

8:40 am - 12:04 pmLCY-MFE

33h 24m2 stops

$837Delta

Find Deal

Fri, Nov 14 - Sat, Nov 22

2:06 pm - 4:40 pmMFE-LCY

20h 34m2 stops

7:20 pm - 9:59 pmLCY-MFE

32h 39m3 stops

$940Multiple Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

7:25 pm - 7:10 amMFE-LHR

29h 45m2 stops

11:10 am - 8:59 amLHR-MFE

27h 49m2 stops

$1,008Air Canada

Find Deal

Wed, Dec 10 - Wed, Dec 17

7:00 am - 4:40 pmMFE-LCY

27h 40m2 stops

9:50 am - 9:59 pmLCY-MFE

18h 09m2 stops

$1,035Multiple Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

United Airlines flights from McAllen to London

Our best United Airlines deals on McAllen to London flight tickets

United Airlines

Dec 10

MFE7:00 amMcAllen Miller Intl

21h 15m

1 stop

LHR10:15 amLondon Heathrow

Dec 17

LHR10:00 amLondon Heathrow

15h 56m

1 stop

MFE7:56 pmMcAllen Miller Intl

$649

Find similar

United Airlines

Dec 10

MFE7:00 amMcAllen Miller Intl

19h 25m

2 stops

LHR8:25 amLondon Heathrow

Dec 17

LHR10:00 amLondon Heathrow

15h 56m

1 stop

MFE7:56 pmMcAllen Miller Intl

$654

Find similar

United Airlines

Oct 31

MFE12:15 pmMcAllen Miller Intl

17h 00m

1 stop

LHR10:15 amLondon Heathrow

Nov 2

LHR2:30 pmLondon Heathrow

37h 29m

2 stops

MFE9:59 pmMcAllen Miller Intl

$726

Find similar

British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets

British Airways

Dec 7

MFE11:53 amMcAllen Miller Intl

14h 42m

1 stop

LHR8:35 amLondon Heathrow

Dec 19

LHR8:20 amLondon Heathrow

20h 39m

1 stop

MFE10:59 pmMcAllen Miller Intl

$664

Find similar

British Airways

Dec 6

MFE5:09 pmMcAllen Miller Intl

31h 41m

1 stop

LHR6:50 amLondon Heathrow

Dec 19

LHR8:20 amLondon Heathrow

20h 39m

1 stop

MFE10:59 pmMcAllen Miller Intl

$677

Find similar

British Airways

Jan 3

MFE7:16 pmMcAllen Miller Intl

32h 44m

1 stop

LHR10:00 amLondon Heathrow

Jan 16

LHR10:05 amLondon Heathrow

14h 12m

1 stop

MFE6:17 pmMcAllen Miller Intl

$813

Find similar

Fly from

Fly to

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 12/10

7:00 am-10:15 am

1 stop21h 15m

London Heathrow

Wed 12/17

10:00 am-7:56 pm

1 stop15h 56m

$649

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 12/10

7:00 am-8:25 am

2 stops19h 25m

London Heathrow

Wed 12/17

10:00 am-7:56 pm

1 stop15h 56m

$654

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 12/7

11:53 am-8:35 am

1 stop14h 42m

London Heathrow

Fri 12/19

8:20 am-10:59 pm

1 stop20h 39m

$664

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/6

5:09 pm-6:50 am

1 stop31h 41m

London Heathrow

Fri 12/19

8:20 am-10:59 pm

1 stop20h 39m

$677

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 11/14

12:15 pm-11:05 am

2 stops16h 50m

London Heathrow

Sat 11/22

10:00 am-9:59 pm

1 stop17h 59m

$740

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 11/14

7:00 am-6:30 am

2 stops41h 30m

London Heathrow

Sat 11/22

1:00 pm-8:54 am

2 stops25h 54m

$753

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Fri 11/14

5:24 pm-1:15 pm

2 stops37h 51m

London City

Sat 11/22

8:40 am-12:04 pm

2 stops33h 24m

$837

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 11/26

2:06 pm-4:40 pm

2 stops20h 34m

London City

Sun 11/30

7:20 pm-9:59 pm

3 stops32h 39m

$940

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 12/10

7:25 pm-7:10 am

2 stops29h 45m

London Heathrow

Wed 12/17

11:10 am-8:59 am

2 stops27h 49m

$1,008

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 12/10

7:00 am-4:40 pm

2 stops27h 40m

London City

Wed 12/17

9:50 am-9:59 pm

2 stops18h 09m

$1,035

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 November. Flight prices, which tend to average around $708, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from McAllen averaging around $733.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from McAllen to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $675. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,058. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from McAllen in the morning is the least expensive time of day to depart. momondo users have found prices as low as $774 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $1,188. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights	None

There are no direct flights from McAllen to London. There are no popular flight routes from McAllen to London.

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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 15m 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?
As of October 2025, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between McAllen and London, the leading airline is United Airlines, making up 58% of the total bookings. Other popular airlines include British Airways with 42%.

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 Airways	PriceFrom $680	Free Cancellation	Rating 6.7 7,483 reviews	Search British Airways flights
United Airlines	PriceFrom $682	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
American Airlines	PriceFrom $880	Free Cancellation	Rating 7.2 11,032 reviews	Search American Airlines flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

Harrow

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.

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.