How long is the flight from London to McAllen?

For as low as £900, United Airlines can have you in McAllen from London in 18h 08m. The distance between London and McAllen is about 5135 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What is the cheapest airline to fly from London to McAllen round-trip?

According to our current data, British Airways (£744), offers the cheapest pricing from London to McAllen.

In terms of precipitation, rainfall in McAllen ranges from 23.0 - 114.0 inches per month. September is typically the wettest month, when rainfall can reach 114.0 mm. November is typically the driest time to visit McAllen when rainfall is around 23.0 mm.

If weather is an important factor for your trip to McAllen, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

What is the cheapest time of day to fly from LON to MFE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to McAllen as you normally would.

What airport do you fly into for flights to McAllen from London?

If you book a flight to McAllen from London, you will be flying to Miller Intl, which is the city’s only airport. McAllen Miller Intl (MFE) is located 2.0 mi from the center of McAllen. There are 0 flights from London to Miller Intl per day from 1 airline.

Can I find deals for flights from London to McAllen that include hotel bookings?

Yes. In addition to deals on London to McAllen flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to McAllen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to McAllen.

Can I find deals for business class flights from London to McAllen?

Yes. Cheapflights offers flight deals from London to McAllen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£648+ Cheap Flights from London to McAllen

Cheap flight deals from London to McAllen

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to McAllen
Explore the most affordable flight options available from London to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Wed 16/1210:00 -

1 stop18h 08m

Sun 3/112:11 -

1 stop16h 04m

Deal found 22/9£900

Tue 3/1107:30 -

2 stops20h 28m

Tue 10/1105:00 -

2 stops19h 20m

Deal found 19/9£919

Thu 17/1212:05 -

1 stop13h 44m

Sun 3/112:11 -

1 stop16h 04m

Deal found 22/9£922

Wed 16/1212:15 -

2 stops36h 13m

Sun 3/121:55 -

1 stop31h 40m

Deal found 20/9£923

Tue 3/1113:50 -

1 stop15h 26m

Tue 10/1106:32 -

1 stop19h 43m

Deal found 19/9£943

Thu 5/1109:30 -

2 stops18h 28m

Thu 12/1107:00 -

2 stops16h 55m

Deal found 21/9£951

Tue 20/1013:40 -

1 stop14h 18m

Sun 8/1114:04 -

1 stop11h 36m

Deal found 19/9£965

Tue 27/1019:30 -

2 stops32h 39m

Sat 24/411:55 -

1 stop17h 40m

Deal found 22/9£973

Tue 20/1011:30 -

2 stops18h 42m

Wed 28/1013:57 -

2 stops39h 53m

Deal found 20/9£1,126

Find flight deals from London to McAllen

Round-trip from	£900
One-way from	£648

United Airlines
16/12-3/1
2 total stops
34h 12m total
London to McAllen

Search Deals

Air Canada
6/1-31/12
2 total stops
34h 57m total
London to McAllen

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Wed 6/1

18:00-22:57

2 stops34h 57m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£648

Fastest return journey

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Wed 6/1

12:05-22:03

1 stop15h 58m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£660

LondonMcAllen

LGW London Gatwick - MFE McAllen Miller Intl

LGWMFE

London Gatwick

Wed 6/1

11:45-08:55

2 stops27h 10m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£784

LondonMcAllen

LGW London Gatwick - MFE McAllen Miller Intl

LGWMFE

London Gatwick

Wed 6/1

19:40-20:32

2 stops30h 52m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£812

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Sat 2/1

08:50-18:28

3 stops39h 38m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£817

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Wed 16/12

10:00-22:08

1 stop18h 08m

McAllen Miller Intl

Sun 3/1

12:11-10:15

1 stop16h 04m

£900

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Tue 3/11

09:30-13:29

2 stops33h 59m

McAllen Miller Intl

Tue 10/11

12:03-07:40

1 stop13h 37m

£919

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Thu 17/12

12:05-19:49

1 stop13h 44m

McAllen Miller Intl

Sun 3/1

12:11-10:15

1 stop16h 04m

£922

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Sat 2/1

18:00-09:11

2 stops45h 11m

McAllen Miller Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£927

LondonMcAllen

LHR London Heathrow - MFE McAllen Miller Intl

LHRMFE

London Heathrow

Tue 3/11

13:50-23:16

1 stop15h 26m

McAllen Miller Intl

Tue 10/11

06:32-08:15

1 stop19h 43m

£943

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from London to McAllen

Have a flexible travel schedule? Discover the best time to fly to McAllen from London with our price prediction graph.

LON-MFE

LHR-MFE

LGW-MFE

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to McAllen

LON-MFE

LHR-MFE

LGW-MFE

What’s the top stopover airport for flights from London to McAllen?

Dallas (DFW) – chosen by Cheapflights users on 67% of one-stop itineraries from London to McAllen on Cheapflights.

What’s the cheapest stopover airport for flights from London to McAllen?

Houston (IAH) is the most affordable one-stop option, with an average return flight price of £773.

What’s the fastest stopover option from London to McAllen?

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 14h 16m.

Which airport typically offers the quickest stopover for flights from London to McAllen?

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 59m.

Reviews of airlines servicing McAllen

Read through reviews of airlines operating flights from London to McAllen, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

British Airways

6.7

Okay

8,227 reviews

British Airways

6.7

Okay

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

What airport do you fly into for flights to McAllen from London?
If you book a flight to McAllen from London, you will be flying to Miller Intl, which is the city’s only airport. McAllen Miller Intl (MFE) is located 2.0 mi from the center of McAllen. There are 0 flights from London to Miller Intl per day from 1 airline.
How long is the flight from London to McAllen?
For as low as £900, United Airlines can have you in McAllen from London in 18h 08m. The distance between London and McAllen is about 5135 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from London to McAllen round-trip?
According to our current data, British Airways (£744), offers the cheapest pricing from London to McAllen.
Can I find deals for flights from London to McAllen that include hotel bookings?
Yes. In addition to deals on London to McAllen flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to McAllen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to McAllen.
Can I find deals for business class flights from London to McAllen?
Yes. Cheapflights offers flight deals from London to McAllen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Texas

Flights by cabin class

Other flight options

Other flights from London

Popular flights

Top destinations

Alternative routes for London to McAllen

Heathrow to Dallas/Fort Worth flights

Heathrow to Hobby flights

Heathrow to George Bush Intcntl flights

Gatwick to Dallas/Fort Worth flights

Stansted to Dallas/Fort Worth flights

London City to Dallas/Fort Worth flights

Heathrow to Austin flights

Heathrow to Love Field flights

Gatwick to Hobby flights

London City to Hobby flights

Gatwick to George Bush Intcntl flights

London City to George Bush Intcntl flights

Stansted to Hobby flights

Luton to Dallas/Fort Worth flights

Gatwick to Austin flights

London City to Austin flights

Stansted to Austin flights

Manchester to Dallas/Fort Worth flights

Gatwick to Love Field flights

Heathrow to San Antonio flights

Manchester to Love Field flights

Manchester to Hobby flights

Manchester to George Bush Intcntl flights

Birmingham to Dallas/Fort Worth flights

Gatwick to San Antonio flights

London City to San Antonio flights

Manchester to Austin flights

Edinburgh to Dallas/Fort Worth flights

Newcastle upon Tyne to Dallas/Fort Worth flights

Edinburgh to Austin flights

Birmingham to Hobby flights

Newcastle upon Tyne to Austin flights

Birmingham to Love Field flights

Leeds to Dallas/Fort Worth flights

Bristol to Dallas/Fort Worth flights

Edinburgh to Hobby flights

Southend to George Bush Intcntl flights

Manchester to San Antonio flights

Birmingham to George Bush Intcntl flights

Edinburgh to Love Field flights

Newcastle upon Tyne to Hobby flights

London City to Love Field flights

Heathrow to Brownsville flights

Newcastle upon Tyne to George Bush Intcntl flights

Edinburgh to George Bush Intcntl flights

Leeds to Austin flights

Birmingham to Austin flights

Birmingham to San Antonio flights

Top airline flying from London to McAllen

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£744	Average£1,005	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to McAllen?

Deals for London to McAllen flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to McAllen?

Cheapflights simply makes it quick and affordable to book flights from London to McAllen by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to McAllen with no change fees?

Yes, we can. To see specific flights from London to McAllen with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to McAllen become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to McAllen from £648

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to McAllen

Cheapest flights from London to McAllenExplore the most affordable flight options available from London to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Explore the most affordable flight options available from London to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Best flights from London to McAllenDiscover carefully curated flight deals from London to McAllen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Discover carefully curated flight deals from London to McAllen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Last-minute flights from London to McAllenDiscover last-minute flight deals from London to McAllen. Data last updated 24 September 2026 and is based on user searches.

Discover last-minute flight deals from London to McAllen. Data last updated 24 September 2026 and is based on user searches.

One-way flights from London to McAllenSearch for one-way flight options from London to McAllen. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.

Search for one-way flight options from London to McAllen. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.

Find flight deals from London to McAllen

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to McAllen that are best for you.

Best time to book a flight from London to McAllen

Have a flexible travel schedule? Discover the best time to fly to McAllen from London with our price prediction graph.

Cheapflights Insights

What’s the top stopover airport for flights from London to McAllen?

Share of one-stop return flights from London to McAllen chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dallas (DFW) – chosen by Cheapflights users on 67% of one-stop itineraries from London to McAllen on Cheapflights.

What’s the cheapest stopover airport for flights from London to McAllen?

Average return fare for one-stop flights from London to McAllen, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Houston (IAH) is the most affordable one-stop option, with an average return flight price of £773.

What’s the fastest stopover option from London to McAllen?

Shortest average travel time for one-stop one-way flights from London to McAllen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 14h 16m.

Which airport typically offers the quickest stopover for flights from London to McAllen?

Average stopover duration for one-stop one-way flights from London to McAllen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 59m.

Reviews of airlines servicing McAllen

Read through reviews of airlines operating flights from London to McAllen, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to McAllen from London?

How long is the flight from London to McAllen?

What is the cheapest airline to fly from London to McAllen round-trip?

Can I find deals for flights from London to McAllen that include hotel bookings?

How can I find direct flights from London to McAllen?

Can I find deals for business class flights from London to McAllen?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to McAllen

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to McAllen by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

Search flights from London to McAllen by cabin class

Find flights from London to McAllen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and McAllen flights

Browse other London and McAllen flight options. Last updated on 24 September 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 24 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to McAllen flights

Consider these flights travelling from London to McAllen.

Top airline flying from London to McAllen

Fly with Cheapflights

How does Cheapflights help users find flights from London to McAllen?

Why should you use Cheapflights to find cheap flight tickets from London to McAllen?

Can Cheapflights find flights from London to McAllen with no change fees?

Can Cheapflights notify me if prices for flights from London to McAllen become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to McAllen
Explore the most affordable flight options available from London to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Best flights from London to McAllen
Discover carefully curated flight deals from London to McAllen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Last-minute flights from London to McAllen
Discover last-minute flight deals from London to McAllen. Data last updated 24 September 2026 and is based on user searches.

One-way flights from London to McAllen
Search for one-way flight options from London to McAllen. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.