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Cheap flights from London to McAllen from £442

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MFE
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to McAllen

Enter your travel dates to find the best prices.

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 21 February 2026.

Wed 28/1006:15
LHR
-
MFE
2 stops22h 44m
British Airways
Sun 1/1116:59
MFE
-
LHR
1 stop33h 16m
British Airways
Deal found 19/2£863
Wed 28/1010:00
LHR
-
MFE
1 stop14h 15m
United Airlines
Sun 1/1117:15
MFE
-
LHR
1 stop32h 15m
United Airlines
Deal found 18/2£907
Thu 26/207:50
LCY
-
MFE
2 stops22h 18m
British Airways
Mon 2/315:48
MFE
-
LCY
2 stops40h 17m
British Airways
Deal found 18/2£1,129

Find flight deals from London to McAllen

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to McAllen (MFE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2026.

Popular in

July

Cheapest in

September
Highest demand for flights based on searches. 11% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to McAllen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2026.
Use the filters below to find and compare flights from London to McAllen that are best for you.

Fly from

London

Fly to

McAllen

Route

Depart

Return

Price

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 20/6

20:25-21:51

2 stops31h 26m

£667

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 4/3

14:50-11:08

2 stops26h 18m

£675

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 3/3

10:00-11:29

1 stop31h 29m

£825

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 4/3

12:05-17:47

1 stop35h 42m

£825

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 27/2

12:10-23:06

1 stop16h 56m

£846

LondonMcAllen

LCY - MFE

LCYMFE

London City

Sun 1/3

17:15-21:42

2 stops34h 27m

£880

LondonMcAllen

LCY - MFE

LCYMFE

London City

Sat 20/6

08:25-12:23

2 stops33h 58m

£916

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 21/3

19:40-10:15

2 stops19h 35m

£2,294

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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.
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

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 74% 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 £802.

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 05m.

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 Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 48m.

Reviews of airlines servicing McAllen

Get insights into the airlines that provide service to McAllen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to McAllen. Reviews last updated 21 February 2026.
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
7,757 reviews
Check prices

Boarding

6.9

Food

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Entertainment

6.4

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
7,757 reviews
British Airways
6.7
Okay
7,757 reviews
Check prices

Boarding

6.9

Food

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Entertainment

6.4

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

Find useful and relevant information for your journey from London to McAllen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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

    According to our current data, British Airways (£612), offers the cheapest pricing from London to McAllen. British Airways is currently priced 30% below the average price you’ll pay for this route.

  • 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

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Alternative routes for London to McAllen

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to McAllen

Discover the top airline that operate flights from London to McAllen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£612Average£734FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

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