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

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,036.

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.

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

Houston (IAH) was the most common stop: 89% 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.

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

British Airways, United Airlines, and American Airlines are the most popular carriers operating from McAllen Miller Intl to London

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 December 2025, there are 2 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.

$534 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 low for flights on this route. Typical prices usually range from $1,117 to $1,534. The lowest price recently found on this route was $608.

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Find the cheapest flights from McAllen to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 7:30 am

MFE

LHR

13h 25m1 stop

6:30 am - 9:57 pm

LHR

MFE

21h 27m2 stops

$608Lufthansa

Mon, Jan 19 - Tue, Jan 27

12:05 pm - 7:30 am

MFE

LHR

13h 25m1 stop

9:30 am - 9:57 pm

LHR

MFE

18h 27m2 stops

$630Lufthansa

Mon, Jan 26 - Tue, Feb 3

7:00 am - 10:15 am

MFE

LHR

21h 15m1 stop

2:30 pm - 9:57 pm

LHR

MFE

37h 27m2 stops

$633United Airlines

Wed, Jan 21 - Thu, Jan 29

7:00 am - 10:15 am

MFE

LHR

21h 15m1 stop

1:00 pm - 9:57 pm

LHR

MFE

38h 57m2 stops

$639United Airlines

Fri, Jan 30 - Tue, Feb 3

3:26 pm - 10:00 am

MFE

LHR

12h 34m1 stop

8:20 am - 6:17 pm

LHR

MFE

15h 57m1 stop

$649British Airways

Wed, Jan 21 - Thu, Jan 29

11:01 am - 8:15 am

MFE

LHR

16h 14m1 stop

10:50 am - 8:57 am

LHR

MFE

28h 07m2 stops

$653British Airways

Tue, Mar 24 - Tue, Mar 31

5:25 pm - 4:35 pm

MFE

LCY

41h 10m2 stops

8:40 am - 11:57 pm

LCY

MFE

21h 17m2 stops

$668Delta

Wed, Jan 21 - Thu, Jan 29

12:48 pm - 4:40 pm

MFE

LCY

21h 52m2 stops

9:20 am - 11:59 pm

LCY

MFE

20h 39m2 stops

$745Delta

Mon, Apr 20 - Thu, Apr 30

6:13 pm - 8:00 pm

MFE

LGW

19h 47m2 stops

11:35 am - 11:59 pm

LGW

MFE

18h 24m2 stops

$764Iberia

Mon, Apr 20 - Thu, Apr 30

6:13 pm - 8:00 pm

MFE

LGW

19h 47m2 stops

11:35 am - 11:59 pm

LGW

MFE

18h 24m2 stops

$864Iberia

Fri, Apr 17 - Thu, Apr 23

United Airlines flights from McAllen to London

Our best United Airlines deals on McAllen to London flight tickets

United Airlines

Jan 21

MFE7:00 amMcAllen Miller Intl

21h 15m

1 stop

LHR10:15 amLondon Heathrow

Jan 29

LHR2:30 pmLondon Heathrow

37h 27m

2 stops

MFE9:57 pmMcAllen Miller Intl

$633

Find similar

United Airlines

Jan 30

MFE7:00 amMcAllen Miller Intl

21h 15m

1 stop

LHR10:15 amLondon Heathrow

Feb 3

LHR1:00 pmLondon Heathrow

38h 57m

2 stops

MFE9:57 pmMcAllen Miller Intl

$639

Find similar

United Airlines

Jan 30

MFE12:05 pmMcAllen Miller Intl

16h 10m

1 stop

LHR10:15 amLondon Heathrow

Feb 3

LHR11:10 amLondon Heathrow

34h 57m

2 stops

MFE4:07 pmMcAllen Miller Intl

$640

Find similar

British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets

British Airways

Jan 21

MFE3:26 pmMcAllen Miller Intl

12h 34m

1 stop

LHR10:00 amLondon Heathrow

Jan 29

LHR8:20 amLondon Heathrow

15h 57m

1 stop

MFE6:17 pmMcAllen Miller Intl

$649

Find similar

British Airways

Mar 24

MFE11:01 amMcAllen Miller Intl

16h 14m

1 stop

LHR8:15 amLondon Heathrow

Mar 31

LHR10:50 amLondon Heathrow

28h 07m

2 stops

MFE8:57 amMcAllen Miller Intl

$653

Find similar

British Airways

Mar 24

MFE11:01 amMcAllen Miller Intl

16h 14m

1 stop

LHR8:15 amLondon Heathrow

Mar 31

LHR4:25 pmLondon Heathrow

22h 32m

1 stop

MFE8:57 amMcAllen Miller Intl

$658

Find similar

Fly from

Fly to

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 1/19

12:05 pm-7:30 am

1 stop13h 25m

London Heathrow

Tue 1/27

6:30 am-9:57 pm

2 stops21h 27m

$608

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 1/26

12:05 pm-7:30 am

1 stop13h 25m

London Heathrow

Tue 2/3

9:30 am-9:57 pm

2 stops18h 27m

$630

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 1/21

7:00 am-10:15 am

1 stop21h 15m

London Heathrow

Thu 1/29

2:30 pm-9:57 pm

2 stops37h 27m

$633

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 1/30

7:00 am-10:15 am

1 stop21h 15m

London Heathrow

Tue 2/3

1:00 pm-9:57 pm

2 stops38h 57m

$639

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 1/21

3:26 pm-10:00 am

1 stop12h 34m

London Heathrow

Thu 1/29

8:20 am-6:17 pm

1 stop15h 57m

$649

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

11:01 am-8:15 am

1 stop16h 14m

London Heathrow

Tue 3/31

10:50 am-8:57 am

2 stops28h 07m

$653

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 1/21

5:25 pm-4:35 pm

2 stops41h 10m

London City

Thu 1/29

8:40 am-11:57 pm

2 stops21h 17m

$668

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Mon 4/20

12:48 pm-4:40 pm

2 stops21h 52m

London City

Thu 4/30

9:20 am-11:59 pm

2 stops20h 39m

$745

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Mon 4/20

6:13 pm-8:00 pm

2 stops19h 47m

London Gatwick

Thu 4/30

11:35 am-11:59 pm

2 stops18h 24m

$764

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Fri 4/17

6:13 pm-8:00 pm

2 stops19h 47m

London Gatwick

Thu 4/23

11:35 am-11:59 pm

2 stops18h 24m

$864

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 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

Fastest flight time	14h 12m
Direct flights	None

The fastest flight from McAllen to London takes 14h 12m

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

Search flight deals

How far is McAllen Miller Intl to London by plane?
The straight-line distance from McAllen Miller Intl to London is 5145.6 mi. 14h 12m 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 December 2025, there are 2 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 62% of the total bookings. Other popular airlines include British Airways with 38%.

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 $628	Free Cancellation	Rating 6.7 7,573 reviews		Search British Airways flights
United Airlines	PriceFrom $682	Free Cancellation	Rating 7.4 9,095 reviews		Search United Airlines flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

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.