Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to McAllen from £535

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MFE
26 fev — 5 mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to McAllen

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to McAllen
Explore the most affordable flight options available from Heathrow to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 janeiro 2026.

qua 11/311:55
LHR
-
MFE
1 stop16h 11m
British Airways
qua 18/311:00
MFE
-
LHR
1 stop16h 15m
British Airways
Deal found 24/1£716
qui 5/212:05
LHR
-
MFE
1 stop15h 52m
Lufthansa
seg 9/212:05
MFE
-
LHR
1 stop13h 25m
Lufthansa
Deal found 26/1£736
qui 5/207:40
LHR
-
MFE
2 stops18h 25m
Multiple Airlines
seg 9/207:00
MFE
-
LHR
2 stops17h 30m
Multiple Airlines
Deal found 26/1£742
qui 5/212:05
LHR
-
MFE
1 stop14h 00m
United Airlines
seg 9/207:00
MFE
-
LHR
2 stops16h 55m
United Airlines
Deal found 25/1£743
qua 11/306:15
LHR
-
MFE
2 stops21h 51m
British Airways
qui 11/610:39
MFE
-
LHR
1 stop19h 31m
British Airways
Deal found 26/1£765
qua 11/311:55
LHR
-
MFE
1 stop16h 11m
Iberia
qui 11/610:39
MFE
-
LHR
1 stop19h 31m
Iberia
Deal found 26/1£771
seg 2/306:30
LHR
-
MFE
2 stops23h 27m
Delta
qui 11/605:25
MFE
-
LHR
2 stops19h 50m
Delta
Deal found 26/1£783
ter 3/310:45
LHR
-
MFE
2 stops19h 12m
Delta
qui 11/605:25
MFE
-
LHR
2 stops19h 50m
Delta
Deal found 26/1£795
qua 11/309:30
LHR
-
MFE
2 stops18h 29m
United Airlines
qui 11/617:15
MFE
-
LHR
2 stops31h 20m
United Airlines
Deal found 26/1£805

Find flight deals from Heathrow to McAllen

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 27 janeiro 2026.

Round-trip from

£715

One-way from

£535

Popular in

December

Cheapest in

October

Average price

£723
United Airlines
  • United Airlines
  • 10/3-17/3
  • 3 total stops
  • 38h 14m total
  • London to McAllen
Search Deals
10/2
  • 10/2
  • 2 total stops
  • 50h 18m total
  • London to McAllen
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 27 janeiro 2026.
Use the filters below to find and compare flights from London Heathrow Airport to McAllen that are best for you.

Fly from

Heathrow

Fly to

McAllen

Route

Depart

Return

Price

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

qua 11/3

11:55-23:06

1 stop16h 11m

McAllen Miller Intl

qua 18/3

11:00-08:15

1 stop16h 15m

£716

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

qui 5/2

09:10-20:05

2 stops16h 55m

McAllen Miller Intl

seg 9/2

09:30-08:25

2 stops16h 55m

£743

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

ter 10/2

14:50-11:08

2 stops50h 18m

£535

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

ter 10/2

12:05-21:57

1 stop15h 52m

£595

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

sáb 20/6

18:10-19:33

2 stops31h 23m

£680

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

sáb 20/6

13:40-21:40

1 stop14h 00m

£692

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

sáb 20/6

06:40-12:23

3 stops35h 43m

£2,742

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Best time to book a flight from Heathrow to McAllen

Have a flexible travel schedule? Discover the best time to fly to McAllen from Heathrow 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 Heathrow Airport to McAllen

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

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

Dallas (DFW) – chosen by Cheapflights users on 76% of one-stop itineraries from London Heathrow Airport to McAllen on Cheapflights.

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

Average return fare for one-stop flights from London Heathrow Airport 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 £852.

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

Shortest average travel time for one-stop one-way flights from London Heathrow Airport 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 09m.

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

Average stopover duration for one-stop one-way flights from London Heathrow Airport 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 2h 03m.

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 27 janeiro 2026.
Read reviews from past customers who have flown with British Airways from London Heathrow Airport to McAllen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,702 reviews
Check prices

Crew

7.6

Boarding

6.9

Food

6.4

Entertainment

6.4

Overall

6.7

Comfort

6.8

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
7,702 reviews
British Airways
6.7
Okay
7,702 reviews
Check prices

Crew

7.6

Boarding

6.9

Food

6.4

Entertainment

6.4

Overall

6.7

Comfort

6.8

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 Heathrow 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 Heathrow?

    Located just 2.0 mi from the city center, McAllen Miller Intl is the airport most travelers will use when flying to McAllen from London Heathrow. Booking flights from London Heathrow to Miller Intl (MFE) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

  • How long is the flight from London Heathrow Airport to McAllen?

    For as low as £716, British Airways can have you in McAllen from London Heathrow Airport in 16h 11m. London Heathrow Airport and McAllen are separated by a distance of 5135 mi. This flight may include one or multiple stops.

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

    According to our current data, British Airways (£603), offers the cheapest pricing from London Heathrow Airport to McAllen. British Airways is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Heathrow to McAllen?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

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

Alternative routes for Heathrow to McAllen

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Love Field flights
Heathrow to Austin flights
London City to Dallas/Fort Worth flights
Stansted to Dallas/Fort Worth flights
London City to Hobby flights
Gatwick to Hobby flights
Gatwick to George Bush Intcntl flights
London City to George Bush Intcntl flights
Stansted to George Bush Intcntl flights
Gatwick to Austin flights
London City to Austin flights
Gatwick to Love Field flights
Stansted to Austin flights
Luton to Dallas/Fort Worth flights
Heathrow to San Antonio flights
London City to Love Field flights
Gatwick to San Antonio flights
London City to San Antonio flights
Gatwick to El Paso flights
Heathrow to El Paso flights
Heathrow to Midland flights
Heathrow to Corpus Christi flights
London City to McAllen flights
London City to El Paso flights
Heathrow to Longview flights
Heathrow to Harlingen flights
Southend to Dallas/Fort Worth flights
Heathrow to Brownsville flights
London City to Brownsville flights
Heathrow to Waco flights
Southend to Austin flights
Heathrow to San Angelo flights
Heathrow to Killeen flights
Heathrow to Amarillo flights

Top airline flying from Heathrow to McAllen

Discover the top airline that operate flights from Heathrow 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 27 janeiro 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£603Average£723FlexibilityNo 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 Heathrow to McAllen?

Deals for Heathrow 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 Heathrow to McAllen?

Cheapflights helps you find that perfect flight to McAllen from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to McAllen from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Heathrow to McAllen and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.