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McAllen

$790+ Cheap flights from Heathrow (LHR) to McAllen (MFE)

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MFE
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
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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 July 7, 2025.

Round-trip from

$938
(American Airlines)

One-way from

$790
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$1,724
From London Heathrow to McAllen Miller Intl
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One-way flight from London Heathrow to McAllen Miller Intl
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Highest demand for flights based on searches. 19% potential increase in price ($292 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 7, 2025.

This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:20 pmLHR - MFE
2 stops28h 47mAmerican Airlines
Thu 10/238:07 pmMFE - LHR
1 stop12h 18mAmerican Airlines
Deal found 7/6$938
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:25 amLHR - MFE
2 stops18h 01mUnited Airlines
Sat 9/207:25 pmMFE - LHR
1 stop30h 15mUnited Airlines
Deal found 7/6$973
This British Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:20 amLHR - MFE
1 stop15h 06mBritish Airways
Thu 10/235:28 pmMFE - LHR
1 stop14h 57mBritish Airways
Deal found 7/6$984
This Air France deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:05 pmLHR - MFE
2 stops40h 53mKLM
Thu 10/2312:45 pmMFE - LHR
2 stops16h 25mKLM
Deal found 7/6$1,007
This TravelUp deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:40 pmLHR - MFE
1 stop14h 17mLufthansa
Fri 10/242:05 pmMFE - LHR
1 stop11h 35mLufthansa
Deal found 7/6$1,100
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:45 amLHR - MFE
2 stops18h 13mDelta
Fri 10/2412:45 pmMFE - LHR
2 stops15h 15mDelta
Deal found 7/6$1,160
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:10 pmLHR - MFE
2 stops31h 28mMultiple Airlines
Fri 10/244:28 pmMFE - LHR
1 stop17h 47mMultiple Airlines
Deal found 7/6$1,332

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 7, 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

Tue 9/30

1:20 pm-12:07 pm

2 stops28h 47m

McAllen Miller Intl

Thu 10/23

8:07 pm-2:25 pm

1 stop12h 18m

$938

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 9/1

7:25 am-7:26 pm

2 stops18h 01m

McAllen Miller Intl

Sat 9/20

7:25 pm-7:40 am

1 stop30h 15m

$973

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 9/30

8:20 am-5:26 pm

1 stop15h 06m

McAllen Miller Intl

Thu 10/23

5:28 pm-2:25 pm

1 stop14h 57m

$984

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 10/1

1:05 pm-11:58 pm

2 stops40h 53m

McAllen Miller Intl

Thu 10/23

12:45 pm-11:10 am

2 stops16h 25m

$1,007

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 10/1

1:40 pm-9:57 pm

1 stop14h 17m

McAllen Miller Intl

Fri 10/24

2:05 pm-7:40 am

1 stop11h 35m

$1,100

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Tue 9/30

11:45 am-11:58 pm

2 stops18h 13m

McAllen Miller Intl

Fri 10/24

12:45 pm-10:00 am

2 stops15h 15m

$1,160

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Thu 10/2

2:10 pm-3:38 pm

2 stops31h 28m

McAllen Miller Intl

Fri 10/24

4:28 pm-4:15 pm

1 stop17h 47m

$1,332

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 7/21

6:15 am-3:04 pm

3 stops38h 49m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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 round-trip 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.

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 July 7, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines from London Heathrow Airport to McAllen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,368 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,193 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    If you book a flight to McAllen from London Heathrow, 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 Heathrow to Miller Intl per day from 0 different airlines.

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

    American Airlines, at $938, was found to be the cheapest airline from London Heathrow Airport to McAllen.Alternate airlines to your destination round-trip include United Airlines and British Airways.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to McAllen?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to McAllen (average of $281). Flying from London Heathrow Airport to McAllen in December is currently the most expensive (average of $416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Mission
Pharr
Weslaco
Edinburg

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