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$686+ Cheap flights from McAllen (MFE) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LHR
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from McAllen to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) to Heathrow (LHR). 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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$806
Provider with most accurate pricing for McAllen Miller Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for McAllen Miller Intl-London Heathrow flights.
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From McAllen Miller Intl to London Heathrow
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Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from McAllen to Heathrow

Cheapest flights from McAllen to Heathrow
Explore the most affordable flight options available from McAllen to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/18. 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.
mar. 4/12:10 pmMFE - LHR
1 stop15h 25mUnited Airlines
mar. 4/83:50 pmLHR - MFE
2 stops30h 22mUnited Airlines
Deal found 2/18$686
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/15:00 amMFE - LHR
2 stops24h 50mAir Canada
mar. 4/83:50 pmLHR - MFE
2 stops27h 37mAir Canada
Deal found 2/18$692
This oojo deal was found by Cheapflights users on 2/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/17:56 pmMFE - LHR
1 stop12h 29mBritish Airways
mar. 4/88:20 amLHR - MFE
1 stop14h 54mBritish Airways
Deal found 2/18$695
This American Airlines deal was found by Cheapflights users on 2/20. 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.
ven. 7/112:20 pmMFE - LHR
1 stop16h 10mAmerican Airlines
mar. 7/2912:00 pmLHR - MFE
1 stop14h 23mAmerican Airlines
Deal found 2/20$1,255
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/112:13 pmMFE - LHR
2 stops37h 47mMultiple Airlines
sam. 5/317:25 amLHR - MFE
3 stops35h 45mMultiple Airlines
Deal found 2/19$1,605
This KAYAK deal was found by Cheapflights users on 2/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/174:00 pmMFE - LHR
1 stop16h 25mIberia
mar. 6/246:10 amLHR - MFE
2 stops19h 16mIberia
Deal found 2/19$4,061
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1712:45 pmMFE - LHR
2 stops16h 25mKLM
mer. 6/258:40 amLHR - MFE
2 stops21h 13mKLM
Deal found 2/19$4,131

Find flights from McAllen to Heathrow within your budget

Customize your flight search to find flights from McAllen to Heathrow 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 février 20, 2025.

Fly from

McAllen

Fly to

Heathrow

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

mar. 4/1

2:10 pm-11:35 am

1 stop15h 25m

London Heathrow

mar. 4/8

3:50 pm-4:12 pm

2 stops30h 22m

$686

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

mar. 4/1

5:00 am-11:50 am

2 stops24h 50m

London Heathrow

mar. 4/8

3:50 pm-1:27 pm

2 stops27h 37m

$692

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

mar. 4/1

7:56 pm-2:25 pm

1 stop12h 29m

London Heathrow

mar. 4/8

8:20 am-5:14 pm

1 stop14h 54m

$695

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

jeu. 3/6

9:56 am-7:20 am

1 stop15h 24m

London Heathrow

dim. 3/16

12:10 pm-11:01 pm

1 stop15h 51m

$1,395

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

dim. 5/11

2:13 pm-10:00 am

2 stops37h 47m

London Heathrow

sam. 5/31

7:25 am-1:10 pm

3 stops35h 45m

$1,605

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

jeu. 3/6

10:40 am-6:20 am

1 stop13h 40m

London Heathrow

dim. 3/16

8:20 am-11:01 pm

1 stop19h 41m

$4,783

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from McAllen to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from McAllen to Heathrow in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on McAllen-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on McAllen-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from McAllen-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on McAllen-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for McAllen-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from McAllen to Heathrow

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

Travel insights for flights from McAllen to Heathrow

Get recent, data-driven insights about flights from McAllen to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from McAllen to London Heathrow Airport (average of $661). Flying from McAllen to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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.

What is the cheapest time of day to fly from MFE to LHR?

Find hourly flight availability from McAllen to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 20, 2025.

When flying from McAllen to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated février 20, 2025.
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,765 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Iberia
7.0
Good
2,639 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

British Airways
6.6
Okay
6,762 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from McAllen to Heathrow. 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 from for flights from McAllen to London Heathrow?

    Most people fly from McAllen Miller Intl (MFE) if they book a flight from McAllen to London Heathrow. On average, Miller Intl has 0 outbound flights to London Heathrow per day from 3 airlines. McAllen Miller Intl is conveniently located just 2.0 mi from McAllen’s city center.

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

    Currently priced at $686, United Airlines will fly you from McAllen to London Heathrow Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and British Airways - these airlines can fly you to your destination from $692 and $695, respectively. United Airlines is currently priced 27% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from McAllen to Heathrow 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 McAllen to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from McAllen to London Heathrow Airport (average of $661). Flying from McAllen to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Top 3 airlines flying from McAllen to Heathrow

Discover the top 3 airlines that operate flights from McAllen to Heathrow. 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 2,558,603 searches. Data last updated février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$668Average$943FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$742Average$946FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$742Average$1,145FlexibilityNo cancel feeOn-time69%
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