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

United Airlines, Air Canada, and KLM 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 September 2026, there is 1 operator 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.

$408 Cheap Flights from McAllen to London in 2026

Discover deals from 900+ travel sites with momondo.

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.

11:47 am - 6:50 amMFE McAllen Miller Intl-LHR London Heathrow

13h 03m1 stop Dallas/Fort Worth

7:05 pm - 8:52 amLHR London Heathrow-MFE McAllen Miller Intl

19h 47m2 stops Madrid Barajas Dallas/Fort Worth

$852British Airways

Mon, Nov 30 - Mon, Dec 7

2:10 pm - 9:15 amMFE McAllen Miller Intl-LHR London Heathrow

37h 05m2 stops Dallas/Fort Worth Madrid Barajas

1:25 pm - 8:57 amLHR London Heathrow-MFE McAllen Miller Intl

25h 32m2 stops Madrid Barajas Dallas/Fort Worth

$857Iberia

Mon, Dec 28 - Wed, Jan 13

11:47 am - 11:55 amMFE McAllen Miller Intl-LHR London Heathrow

18h 08m2 stops Dallas/Fort Worth Madrid Barajas

7:40 pm - 8:52 amLHR London Heathrow-MFE McAllen Miller Intl

19h 12m2 stops Madrid Barajas Dallas/Fort Worth

$876Iberia

Mon, Nov 30 - Mon, Dec 7

4:35 pm - 2:25 pmMFE McAllen Miller Intl-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

11:30 am - 12:02 amLHR London Heathrow-MFE McAllen Miller Intl

18h 32m2 stops Madrid Barajas Dallas/Fort Worth

$885Iberia

Tue, Sep 29 - Thu, Oct 8

2:10 pm - 9:15 amMFE McAllen Miller Intl-LHR London Heathrow

37h 05m2 stops Dallas/Fort Worth Madrid Barajas

11:15 am - 8:19 pmLHR London Heathrow-MFE McAllen Miller Intl

15h 04m1 stop Dallas/Fort Worth

$890Iberia

Mon, Dec 28 - Wed, Jan 13

5:20 am - 6:30 amMFE McAllen Miller Intl-LHR London Heathrow

19h 10m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl

3:00 pm - 9:58 pmLHR London Heathrow-MFE McAllen Miller Intl

36h 58m2 stops Vancouver Intl Houston George Bush Intcntl

$896United Airlines

Tue, Sep 29 - Thu, Oct 8

7:00 am - 6:30 amMFE McAllen Miller Intl-LHR London Heathrow

17h 30m3 stops Houston George Bush Intcntl New York LaGuardia Montreal Pierre Elliott Trudeau Intl

3:00 pm - 9:58 pmLHR London Heathrow-MFE McAllen Miller Intl

36h 58m2 stops Vancouver Intl Houston George Bush Intcntl

$896United Airlines

Tue, Sep 29 - Thu, Oct 8

7:15 am - 11:20 amMFE McAllen Miller Intl-LHR London Heathrow

22h 05m2 stops Houston George Bush Intcntl Toronto Pearson Intl

3:00 pm - 4:13 pmLHR London Heathrow-MFE McAllen Miller Intl

31h 13m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$897Air Canada

Tue, Dec 29 - Wed, Jan 13

7:15 am - 11:20 amMFE McAllen Miller Intl-LHR London Heathrow

22h 05m2 stops Houston George Bush Intcntl Toronto Pearson Intl

3:00 pm - 4:13 pmLHR London Heathrow-MFE McAllen Miller Intl

31h 13m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$897Air Canada

Tue, Dec 29 - Thu, Jan 14

7:15 am - 11:20 amMFE McAllen Miller Intl-LHR London Heathrow

22h 05m2 stops Houston George Bush Intcntl Toronto Pearson Intl

3:00 pm - 4:13 pmLHR London Heathrow-MFE McAllen Miller Intl

31h 13m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$897Air Canada

Tue, Dec 29 - Tue, Jan 12

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British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets

British Airways

Nov 30

MFE11:47 amMcAllen Miller Intl

13h 03m

1 stop

LHR6:50 amLondon Heathrow

Dec 7

LHR7:05 pmLondon Heathrow

19h 47m

2 stops

MFE8:52 amMcAllen Miller Intl

$852

British Airways

Sep 29

MFE4:35 pmMcAllen Miller Intl

15h 50m

1 stop

LHR2:25 pmLondon Heathrow

Oct 6

LHR8:55 amLondon Heathrow

14h 36m

1 stop

MFE5:31 pmMcAllen Miller Intl

$915

British Airways

Jan 10

MFE8:00 amMcAllen Miller Intl

24h 55m

2 stops

LHR2:55 pmLondon Heathrow

Jan 17

LHR6:10 pmLondon Heathrow

35h 23m

2 stops

MFE11:33 pmMcAllen Miller Intl

$935

KLM flights from McAllen to London

Our best KLM deals on McAllen to London flight tickets

KLM

Oct 12

MFE12:46 pmMcAllen Miller Intl

16h 34m

2 stops

LHR11:20 amLondon Heathrow

Oct 19

LHR6:30 amLondon Heathrow

23h 29m

2 stops

MFE11:59 pmMcAllen Miller Intl

$943

KLM

Sep 28

MFE12:39 pmMcAllen Miller Intl

22h 41m

2 stops

LCY5:20 pmLondon City

Oct 5

LCY9:20 amLondon City

20h 35m

2 stops

MFE11:55 pmMcAllen Miller Intl

$967

KLM

Dec 28

MFE12:33 pmMcAllen Miller Intl

23h 52m

2 stops

LCY6:25 pmLondon City

Jan 14

LCY9:20 amLondon City

20h 39m

2 stops

MFE11:59 pmMcAllen Miller Intl

$1,510

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 11/30

11:47 am-6:50 am

1 stop13h 03m

London Heathrow

Mon 12/7

7:05 pm-8:52 am

2 stops19h 47m

$852

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 12/28

2:10 pm-9:15 am

2 stops37h 05m

London Heathrow

Wed 1/13

1:25 pm-8:57 am

2 stops25h 32m

$857

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 11/30

11:47 am-11:55 am

2 stops18h 08m

London Heathrow

Mon 12/7

7:40 pm-8:52 am

2 stops19h 12m

$876

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 9/29

4:35 pm-2:25 pm

1 stop15h 50m

London Heathrow

Thu 10/8

11:30 am-12:02 am

2 stops18h 32m

$885

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 12/28

2:10 pm-9:15 am

2 stops37h 05m

London Heathrow

Wed 1/13

11:15 am-8:19 pm

1 stop15h 04m

$890

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 9/29

5:20 am-6:30 am

2 stops19h 10m

London Heathrow

Thu 10/8

3:00 pm-9:58 pm

2 stops36h 58m

$896

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 9/29

7:00 am-6:30 am

3 stops17h 30m

London Heathrow

Thu 10/8

3:00 pm-9:58 pm

2 stops36h 58m

$896

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 12/29

7:15 am-11:20 am

2 stops22h 05m

London Heathrow

Wed 1/13

3:00 pm-4:13 pm

2 stops31h 13m

$897

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 12/29

7:15 am-11:20 am

2 stops22h 05m

London Heathrow

Thu 1/14

3:00 pm-4:13 pm

2 stops31h 13m

$897

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Tue 12/29

7:15 am-11:20 am

2 stops22h 05m

London Heathrow

Tue 1/12

3:00 pm-4:13 pm

2 stops31h 13m

$897

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from McAllen is in April. Flight prices, which tend to average around $717, 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 $750.

Can stopping save me money on McAllen to London flights?

You could potentially save up to 14% 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

Best Price Found	$408
Fastest flight time	11h 37m
Direct flights	None

The best one-way flight to London from McAllen in the past 72 hours is $408. The best round-trip flight deal from McAllen to London found on momondo in the last 72 hours is $852.

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.

Search flight deals

Frequently asked questions about flying 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?
As of September 2026, there is 1 operator 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 British Airways, making up 50% of the total bookings. Other popular airlines include United Airlines with 50%.

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
United Airlines	PriceFrom $698	Free Cancellation	Rating 7.4 10,157 reviews		Search United Airlines flights

Hounslow

Gatwick

Milton Keynes

Hayes

Wembley

Luton

Croydon

Dover

Richmond

Stansted

Kingston upon Thames

Harrow

Cobham

Watford

Slough

Eastbourne

Worthing

Hook

Uxbridge

Romford

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 $408

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 10/2. 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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British Airways flights from McAllen to London

Our best British Airways deals on McAllen to London flight tickets

KLM flights from McAllen to London

Our best KLM deals on McAllen to London flight tickets

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See travel insights to London from

How to get the cheapest flight ticket from McAllen to 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?

When to book flights from McAllen to London

Cheap McAllen to London (MFE to LON) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

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

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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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