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Cheap flights from London Heathrow Airport to McAllen from £807

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MFE
27 Mar — 3 Apr1
1 adult

Cheap 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 22 March 2025.

Round-trip from

£807

Popular in

August

Cheapest in

March

Average price

£548
Delta
  • Delta
  • 20/4-27/4
  • 4 total stops
  • 80h 34m total
  • London to McAllen
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£168 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from Heathrow to McAllen

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 22 March 2025.

Sun 20/411:45LHR - MFE
2 stops42h 12mDelta
Sun 27/417:28MFE - LHR
2 stops38h 22mDelta
Deal found 21/3£807
Fri 28/316:00LHR - MFE
1 stop33h 14mMultiple Airlines
Tue 1/412:45MFE - LHR
1 stop20h 20mMultiple Airlines
Deal found 21/3£809
Wed 3/1212:50LHR - MFE
1 stop14h 40mUnited Airlines
Tue 23/1207:15MFE - LHR
1 stop21h 50mUnited Airlines
Deal found 21/3£822
Sun 20/412:00LHR - MFE
1 stop14h 43mIberia
Sun 27/417:58MFE - LHR
1 stop30h 27mIberia
Deal found 21/3£831
Sat 6/1212:50LHR - MFE
1 stop16h 37mLufthansa
Thu 25/1214:15MFE - LHR
1 stop14h 50mLufthansa
Deal found 21/3£841
Wed 3/1210:40LHR - MFE
1 stop13h 27mAmerican Airlines
Mon 22/1205:46MFE - LHR
1 stop19h 34mAmerican Airlines
Deal found 21/3£847
Fri 5/1218:00LHR - MFE
2 stops22h 55mAir Canada
Wed 24/1209:40MFE - LHR
2 stops14h 50mAir Canada
Deal found 21/3£955

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 22 March 2025.
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

Sun 20/4

11:45-23:57

2 stops42h 12m

McAllen Miller Intl

Sun 27/4

17:28-13:50

2 stops38h 22m

£807

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sun 20/4

12:00-20:43

1 stop14h 43m

McAllen Miller Intl

Sun 27/4

17:58-06:25

1 stop30h 27m

£831

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 31/5

07:25-23:15

2 stops21h 50m

McAllen Miller Intl

Thu 12/6

05:15-17:40

2 stops30h 25m

£953

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 31/5

13:40-21:35

1 stop13h 55m

McAllen Miller Intl

Thu 12/6

05:15-11:50

2 stops24h 35m

£999

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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

Rainfall in McAllen by month

Plan your trip to McAllen by taking into account the average rainfall totals by month.

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.

Temperature in McAllen by month

Plan your trip to McAllen by taking into account the average temperature totals by month.

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).

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 22 March 2025.
Delta
8.0
Very Good
7,892 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,892 reviews
Delta
8.0
Very Good
7,892 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very Good
7,892 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,643 reviews
Delta
8.0
Very Good
7,892 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from London Heathrow Airport to McAllen round-trip?

    According to our current data, Delta (£807), Iberia (£831), and United Airlines (£953) offers the cheapest pricing from London Heathrow Airport to McAllen.

  • 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

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Alternative routes for Heathrow to McAllen

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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 22 March 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£743Average£766FlexibilityNo 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.

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