HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
McAllen

$554+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MFE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to McAllen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 11, 2025.

Round-trip from

$903
(American Airlines)

One-way from

$554
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$933
From London Heathrow to McAllen Miller Intl
Search Deals
One-way flight from London Heathrow to McAllen Miller Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/88:35 amLHR - MFE
2 stops20h 44mAmerican Airlines
Wed 11/122:49 pmMFE - LHR
1 stop11h 46mAmerican Airlines
Deal found 9/10$903
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 9/228:40 amLHR - MFE
2 stops21h 18mDelta
Mon 9/295:18 pmMFE - LHR
2 stops14h 12mDelta
Deal found 9/10$909
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/812:05 pmLHR - MFE
1 stop15h 54mUnited Airlines
Wed 11/129:50 amMFE - LHR
1 stop15h 40mUnited Airlines
Deal found 9/10$925
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/221:40 pmLHR - MFE
1 stop14h 07mUnited Airlines
Mon 9/292:05 pmMFE - LHR
2 stops14h 35mUnited Airlines
Deal found 9/10$926
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/107:30 amLHR - MFE
2 stops31h 23mUnited Airlines
Fri 10/175:15 pmMFE - LHR
1 stop12h 20mUnited Airlines
Deal found 9/10$1,020
This TravelUp deal was found by Cheapflights users on 9/10. 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.
Fri 10/101:40 pmLHR - MFE
1 stop14h 17mLufthansa
Fri 10/1712:14 pmMFE - LHR
1 stop13h 26mLufthansa
Deal found 9/10$1,039
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/2610:00 amLHR - MFE
1 stop16h 59mUnited Airlines
Sun 11/25:00 pmMFE - LHR
1 stop32h 30mUnited Airlines
Deal found 9/11$1,049
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/2611:45 amLHR - MFE
2 stops41h 14mDelta
Sun 11/25:14 pmMFE - LHR
2 stops38h 36mDelta
Deal found 9/11$1,052
This TravelUp deal was found by Cheapflights users on 9/11. 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 9/173:10 pmLHR - MFE
1 stop13h 40mMultiple Airlines
Tue 9/2310:53 amMFE - LHR
2 stops16h 32mMultiple Airlines
Deal found 9/11$1,563

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 September 11, 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

Sat 11/8

8:35 am-11:19 pm

2 stops20h 44m

McAllen Miller Intl

Wed 11/12

11:56 am-12:05 pm

2 stops18h 09m

$903

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 9/22

8:40 am-11:58 pm

2 stops21h 18m

McAllen Miller Intl

Mon 9/29

5:18 pm-1:30 pm

2 stops14h 12m

$909

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 11/8

12:05 pm-9:59 pm

1 stop15h 54m

McAllen Miller Intl

Wed 11/12

9:50 am-7:30 am

1 stop15h 40m

$925

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Mon 9/22

1:40 pm-9:47 pm

1 stop14h 07m

McAllen Miller Intl

Mon 9/29

5:15 pm-11:35 am

1 stop12h 20m

$926

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 10/10

9:30 am-8:53 am

2 stops29h 23m

McAllen Miller Intl

Fri 10/17

12:14 pm-10:40 am

2 stops16h 26m

$1,020

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 10/10

1:40 pm-9:57 pm

1 stop14h 17m

McAllen Miller Intl

Fri 10/17

12:14 pm-7:40 am

1 stop13h 26m

$1,039

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Wed 2/4

2:50 pm-12:04 pm

2 stops27h 14m

$554

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Thu 2/5

2:50 pm-12:44 pm

2 stops27h 54m

$597

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Fri 2/6

2:50 pm-9:21 am

2 stops48h 31m

$602

LondonMcAllen

LHR - MFE

LHRMFE

London Heathrow

Sat 2/7

12:15 pm-9:21 am

2 stops27h 06m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
1
2

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.

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.

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

    There are many flights that can get you from London Heathrow Airport to McAllen in 20h 44m. Fly via American Airlines or Delta to get the fastest option. London Heathrow Airport and McAllen are separated by a distance of 5135 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 McAllen?

Book flights to McAllen if you plan to visit one of these locations
Mission
Weslaco
Pharr
Edinburg

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.

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.