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

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

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

Houston (IAH) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 35m.

What airlines fly to London?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to London from McAllen according to our data. United Airlines is the first choice among our users, with 45% 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.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $840.

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 12m.

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 March 2026, 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.

$306 Cheap Flights from McAllen to London in 2026

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

Prices are currently high for flights on this route. Typical prices usually range from $854 to $705. The lowest price recently found on this route was $895.

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Find the cheapest flights from McAllen to London

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 7:55 am

MFE

LHR

16h 35m

1 stop

5:40 pm - 9:48 pm

LHR

MFE

34h 08m

2 stops

$895United Airlines

Tue, Apr 21 - Tue, Apr 28

3:45 pm - 2:25 pm

MFE

LHR

16h 40m

1 stop

2:25 pm - 10:19 pm

LHR

MFE

13h 54m

1 stop

$905British Airways

Tue, Apr 21 - Tue, Apr 28

12:05 pm - 9:20 am

MFE

LHR

15h 15m

2 stops

9:30 am - 9:48 pm

LHR

MFE

18h 18m

2 stops

$914United Airlines

Tue, Apr 21 - Tue, Apr 28

1:10 pm - 2:25 pm

MFE

LHR

19h 15m

1 stop

11:30 am - 11:59 pm

LHR

MFE

18h 29m

2 stops

$927Iberia

Fri, Apr 24 - Wed, Apr 29

6:00 pm - 8:00 pm

MFE

LGW

20h 00m

2 stops

11:30 am - 11:59 pm

LGW

MFE

18h 29m

2 stops

$934Iberia

Fri, Apr 24 - Wed, Apr 29

6:00 pm - 5:15 pm

MFE

LHR

17h 15m

2 stops

11:30 am - 11:59 pm

LHR

MFE

18h 29m

2 stops

$935Iberia

Fri, Apr 24 - Wed, Apr 29

5:17 am - 6:30 am

MFE

LHR

19h 13m

2 stops

2:05 pm - 10:59 pm

LHR

MFE

38h 54m

2 stops

$988Air Canada

Tue, Apr 14 - Thu, Apr 30

12:05 pm - 5:55 pm

MFE

LCY

23h 50m

2 stops

9:15 am - 9:48 pm

LCY

MFE

42h 33m

2 stops

$1,106Lufthansa

Tue, Apr 14 - Tue, Apr 21

1:03 pm - 4:40 pm

MFE

LCY

21h 37m

2 stops

8:25 am - 11:59 pm

LCY

MFE

21h 34m

2 stops

$1,110Delta

Thu, Apr 16 - Thu, Apr 23

12:05 pm - 5:55 pm

MFE

LCY

23h 50m

2 stops

6:30 pm - 9:48 pm

LCY

MFE

33h 18m

2 stops

$1,156Lufthansa

Thu, Apr 16 - Wed, Apr 22

United Airlines flights from McAllen to London

Our best United Airlines deals on McAllen to London flight tickets

United Airlines

Apr 21

MFE9:20 amMcAllen Miller Intl

16h 35m

1 stop

LHR7:55 amLondon Heathrow

Apr 28

LHR5:40 pmLondon Heathrow

34h 08m

2 stops

MFE9:48 pmMcAllen Miller Intl

$895

United Airlines

Apr 21

MFE12:05 pmMcAllen Miller Intl

15h 15m

2 stops

LHR9:20 amLondon Heathrow

Apr 28

LHR9:30 amLondon Heathrow

18h 18m

2 stops

MFE9:48 pmMcAllen Miller Intl

$914

United Airlines

Apr 14

MFE5:17 amMcAllen Miller Intl

20h 38m

1 stop

LHR7:55 amLondon Heathrow

Apr 30

LHR7:30 amLondon Heathrow

20h 18m

2 stops

MFE9:48 pmMcAllen Miller Intl

$986

British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets

British Airways

Apr 21

MFE3:45 pmMcAllen Miller Intl

16h 40m

1 stop

LHR2:25 pmLondon Heathrow

Apr 28

LHR2:25 pmLondon Heathrow

13h 54m

1 stop

MFE10:19 pmMcAllen Miller Intl

$905

British Airways

Apr 24

MFE1:10 pmMcAllen Miller Intl

19h 15m

1 stop

LHR2:25 pmLondon Heathrow

Apr 29

LHR4:25 pmLondon Heathrow

13h 34m

1 stop

MFE11:59 pmMcAllen Miller Intl

$955

British Airways

Apr 21

MFE1:10 pmMcAllen Miller Intl

15h 45m

1 stop

LHR10:55 amLondon Heathrow

Apr 28

LHR8:55 amLondon Heathrow

14h 35m

1 stop

MFE5:30 pmMcAllen Miller Intl

$1,000

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

9:20 am-7:55 am

1 stop16h 35m

London Heathrow

Tue 4/28

5:40 pm-9:48 pm

2 stops34h 08m

$895

Quickest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

3:45 pm-2:25 pm

1 stop16h 40m

London Heathrow

Tue 4/28

2:25 pm-10:19 pm

1 stop13h 54m

$905

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/21

12:05 pm-9:20 am

2 stops15h 15m

London Heathrow

Tue 4/28

9:30 am-9:48 pm

2 stops18h 18m

$914

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 4/24

1:10 pm-2:25 pm

1 stop19h 15m

London Heathrow

Wed 4/29

11:30 am-11:59 pm

2 stops18h 29m

$927

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Fri 4/24

6:00 pm-8:00 pm

2 stops20h 00m

London Gatwick

Wed 4/29

11:30 am-11:59 pm

2 stops18h 29m

$934

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 4/24

6:00 pm-5:15 pm

2 stops17h 15m

London Heathrow

Wed 4/29

11:30 am-11:59 pm

2 stops18h 29m

$935

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 4/14

5:17 am-6:30 am

2 stops19h 13m

London Heathrow

Thu 4/30

2:05 pm-10:59 pm

2 stops38h 54m

$988

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 4/14

12:05 pm-5:55 pm

2 stops23h 50m

London City

Tue 4/21

9:15 am-9:48 pm

2 stops42h 33m

$1,106

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 4/16

1:03 pm-4:40 pm

2 stops21h 37m

London City

Thu 4/23

8:25 am-11:59 pm

2 stops21h 34m

$1,110

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 4/16

12:05 pm-5:55 pm

2 stops23h 50m

London City

Wed 4/22

6:30 pm-9:48 pm

2 stops33h 18m

$1,156

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 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 $661.

Can stopping save me money on McAllen to London flights?

You could potentially save up to 17% 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	20h 40m
Direct flights	None

The fastest flight from McAllen to London takes 20h 40m

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. 20h 40m 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 March 2026, 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 100% of the total bookings.

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 7,825 reviews	Search British Airways flights
American Airlines	PriceFrom $682	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
United Airlines	PriceFrom $698	Free Cancellation	Rating 7.4 9,501 reviews	Search United Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Crawley

Slough

Wembley

Hayes

Croydon

Dartford

Brentwood

Guildford

Harrow

Cobham

Folkestone

Romford

Stansted

Watford

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.

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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Cheap flights from McAllen to London from $306

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.

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How to get the cheapest flight ticket from McAllen to London

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

What is the cheapest month to fly to London?

Can stopping save me money on McAllen to London flights?

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

What airlines fly to London?

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

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

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

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

When to book flights from McAllen to London

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

Direct flights

Best airlines flying from McAllen to London

Compare and see reviews for airlines that fly from McAllen to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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