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

According to our current data, British Airways (£560), American Airlines (£584), and Air Canada (£587) offers the cheapest pricing from McAllen to London Heathrow Airport. British Airways is currently priced 22% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from McAllen to London Heathrow Airport one-way?

One-way options have recently been found by users for as low as £478 on Air Canada. Other airlines that offer cheap prices include United Airlines from £529 and Iberia from £549 one-way.

What is the cheapest day to fly from McAllen to London Heathrow Airport?

Travellers seeking maximum savings on their McAllen to London Heathrow Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Users have found that flying from McAllen to London Heathrow Airport on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from McAllen to London Heathrow Airport?

The best pricing can be found in the month of March. Prices to London Heathrow Airport from McAllen average £693. You can even find prices in March for less than £693, as users have found deals to London Heathrow Airport from as low as £486. The month of May appears to be one of the more expensive times to travel to London Heathrow Airport from McAllen. Flying in the targeted month can save you up to 45%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from McAllen to London Heathrow Airport as you normally would.

What airport do you fly from for flights from McAllen to London Heathrow?

McAllen Miller Intl (MFE) is the airport you will fly out of if you book a flight from McAllen to London Heathrow. You should not have trouble finding flights to London Heathrow from Miller Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the McAllen airport to London Heathrow. It is only a 2.0 mi journey to Miller Intl (MFE) from McAllen’s city center.

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 holiday 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.

£399+ Flights from McAllen to London Heathrow Airport

Cheap flight deals from McAllen to Heathrow

Round-trip from	£560
One-way from	£399
Popular in	December
Cheapest in	August
Average price	£508

British Airways
10/4-22/4
2 total stops
33h 03m total
McAllen to London

Search Deals

12/6
3 total stops
55h 58m total
McAllen to London

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£52 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 25 March 2025.

Thu 10/410:40MFE - LHR

1 stop18h 10mBritish Airways

Tue 22/410:30LHR - MFE

1 stop14h 53mBritish Airways

Deal found 25/3£560

Thu 10/417:58MFE - LHR

1 stop12h 47mAmerican Airlines

Mon 21/416:25LHR - MFE

1 stop13h 53mAmerican Airlines

Deal found 25/3£584

Tue 20/505:00MFE - LHR

2 stops19h 35mAir Canada

Tue 27/509:30LHR - MFE

2 stops29h 23mAir Canada

Deal found 25/3£587

Thu 10/405:30MFE - LHR

2 stops26h 20mDelta

Mon 21/408:40LHR - MFE

2 stops21h 17mDelta

Deal found 25/3£642

Tue 15/709:45MFE - LHR

2 stops15h 00mUnited Airlines

Thu 21/809:30LHR - MFE

2 stops18h 17mUnited Airlines

Deal found 25/3£707

Thu 10/414:10MFE - LHR

1 stop11h 30mLufthansa

Tue 22/407:25LHR - MFE

2 stops19h 57mLufthansa

Deal found 25/3£715

Tue 13/512:47MFE - LHR

3 stops35h 43mMultiple Airlines

Wed 28/514:05LHR - MFE

2 stops28h 04mMultiple Airlines

Deal found 25/3£799

Thu 10/410:40MFE - LHR

1 stop16h 20mIberia

Tue 22/406:10LHR - MFE

2 stops20h 33mIberia

Deal found 25/3£842

Best flights from McAllen to Heathrow
Discover carefully curated flight deals from McAllen to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 March 2025.

Thu 10/410:40MFE - LHR

1 stop18h 10mBritish Airways

Tue 22/410:30LHR - MFE

1 stop14h 53mBritish Airways

Deal found 25/3£560

Thu 10/417:58MFE - LHR

1 stop12h 47mAmerican Airlines

Mon 21/416:25LHR - MFE

1 stop13h 53mAmerican Airlines

Deal found 25/3£584

Tue 20/505:00MFE - LHR

2 stops19h 35mAir Canada

Tue 27/509:30LHR - MFE

2 stops29h 23mAir Canada

Deal found 25/3£587

Thu 10/405:30MFE - LHR

2 stops26h 20mDelta

Mon 21/408:40LHR - MFE

2 stops21h 17mDelta

Deal found 25/3£642

Tue 15/709:45MFE - LHR

2 stops15h 00mUnited Airlines

Thu 21/809:30LHR - MFE

2 stops18h 17mUnited Airlines

Deal found 25/3£707

Thu 10/414:10MFE - LHR

1 stop11h 30mLufthansa

Tue 22/407:25LHR - MFE

2 stops19h 57mLufthansa

Deal found 25/3£715

Tue 13/512:47MFE - LHR

3 stops35h 43mMultiple Airlines

Wed 28/514:05LHR - MFE

2 stops28h 04mMultiple Airlines

Deal found 25/3£799

Thu 10/410:40MFE - LHR

1 stop16h 20mIberia

Tue 22/406:10LHR - MFE

2 stops20h 33mIberia

Deal found 25/3£842

Last-minute flights from McAllen to Heathrow
Discover last-minute flight deals from McAllen to Heathrow. Data last updated 25 March 2025 and is based on user searches.

Wed 2/410:40MFE - LHR

2 stops20h 45mBritish Airways

Fri 4/410:30LHR - MFE

1 stop14h 53mBritish Airways

Deal found 25/3£1,298

Wed 2/412:13MFE - LHR

2 stops18h 27mMultiple Airlines

Fri 4/408:30LHR - MFE

2 stops20h 59mMultiple Airlines

Deal found 25/3£1,308

Wed 2/412:13MFE - LHR

2 stops15h 57mUnited Airlines

Fri 4/409:30LHR - MFE

2 stops17h 52mUnited Airlines

Deal found 25/3£1,309

Thu 10/410:40MFE - LHR

1 stop18h 10mBritish Airways

Tue 22/410:30LHR - MFE

1 stop14h 53mBritish Airways

Deal found 25/3£560

Thu 10/417:58MFE - LHR

1 stop12h 47mAmerican Airlines

Mon 21/416:25LHR - MFE

1 stop13h 53mAmerican Airlines

Deal found 25/3£584

Thu 10/405:30MFE - LHR

2 stops26h 20mDelta

Mon 21/408:40LHR - MFE

2 stops21h 17mDelta

Deal found 25/3£642

Thu 10/414:10MFE - LHR

1 stop11h 30mLufthansa

Tue 22/407:25LHR - MFE

2 stops19h 57mLufthansa

Deal found 25/3£715

Thu 10/405:00MFE - LHR

2 stops23h 00mAir Canada

Tue 22/412:05LHR - MFE

2 stops17h 24mAir Canada

Deal found 25/3£775

Thu 10/410:40MFE - LHR

1 stop16h 20mIberia

Tue 22/406:10LHR - MFE

2 stops20h 33mIberia

Deal found 25/3£842

Thu 10/405:00MFE - LHR

3 stops25h 45mMultiple Airlines

Tue 22/407:40LHR - MFE

3 stops35h 47mMultiple Airlines

Deal found 25/3£984

Thu 24/407:00MFE - LHR

2 stops21h 00mUnited Airlines

Thu 1/507:25LHR - MFE

2 stops20h 27mUnited Airlines

Deal found 25/3£709

One-way flights from McAllen to Heathrow
Search for one-way flight options from McAllen to Heathrow. Find affordable one-way fares based on user searches. Data last updated 25 March 2025.

Thu 12/622:07MFE - LHR

3 stops55h 58mMultiple Airlines

Deal found 25/3£399

Thu 10/405:00MFE - LHR

2 stops23h 00mAir Canada

Deal found 25/3£478

Thu 10/405:00MFE - LHR

1 stop20h 40mUnited Airlines

Deal found 25/3£529

Sun 30/318:25MFE - LHR

1 stop32h 35mIberia

Deal found 25/3£549

Cheapflights Fare Finder

Use the filters below to find and compare flights from McAllen to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

10:40-10:50

1 stop18h 10m

London Heathrow

Tue 22/4

10:30-19:23

1 stop14h 53m

£560

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

17:58-12:45

1 stop12h 47m

London Heathrow

Mon 21/4

16:25-00:18

1 stop13h 53m

£584

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 20/5

05:00-06:35

2 stops19h 35m

London Heathrow

Tue 27/5

09:30-08:53

2 stops29h 23m

£587

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

05:30-13:50

2 stops26h 20m

London Heathrow

Mon 21/4

08:40-23:57

2 stops21h 17m

£642

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 15/7

09:45-06:45

2 stops15h 00m

London Heathrow

Thu 21/8

09:30-21:47

2 stops18h 17m

£707

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

14:10-07:40

1 stop11h 30m

London Heathrow

Tue 22/4

07:25-21:22

2 stops19h 57m

£715

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 13/5

12:47-06:30

3 stops35h 43m

London Heathrow

Wed 28/5

14:05-12:09

2 stops28h 04m

£799

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

10:40-09:00

1 stop16h 20m

London Heathrow

Tue 22/4

06:10-20:43

2 stops20h 33m

£842

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 12/6

22:07-12:05

3 stops55h 58m

£399

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 10/4

05:00-10:00

2 stops23h 00m

£478

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 12 results

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 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 McAllen to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from McAllen to London Heathrow Airport (average of £112). Flying from McAllen to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from McAllen to London, such as Delta, United Airlines and American Airlines. 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

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,890 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,960 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,646 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from McAllen to London Heathrow?
McAllen Miller Intl (MFE) is the airport you will fly out of if you book a flight from McAllen to London Heathrow. You should not have trouble finding flights to London Heathrow from Miller Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the McAllen airport to London Heathrow. It is only a 2.0 mi journey to Miller Intl (MFE) from McAllen’s city center.
What are the cheapest airlines flying from McAllen to London Heathrow Airport round-trip?
According to our current data, British Airways (£560), American Airlines (£584), and Air Canada (£587) offers the cheapest pricing from McAllen to London Heathrow Airport. British Airways is currently priced 22% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from McAllen to London Heathrow Airport one-way?
One-way options have recently been found by users for as low as £478 on Air Canada. Other airlines that offer cheap prices include United Airlines from £529 and Iberia from £549 one-way.
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 holiday 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, January is the cheapest month in which you can book a flight from McAllen to London Heathrow Airport (average of £112). Flying from McAllen to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

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How does Cheapflights help users find flights from McAllen to Heathrow?

Cheapflights helps you search for flights from McAllen to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from McAllen to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from McAllen to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from McAllen to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for McAllen to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from McAllen to London Heathrow Airport from £399

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from McAllen to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from McAllen to Heathrow

Cheapest flights from McAllen to HeathrowExplore 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 25 March 2025.

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 25 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from McAllen to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from McAllen to London Heathrow Airport

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

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from McAllen to London, such as Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines to fly from McAllen to London Heathrow Airport one-way?

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

How can I find direct flights from McAllen to Heathrow?

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

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

Travelling to a place near McAllen?

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 McAllen to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 McAllen to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from McAllen to Heathrow?

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

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

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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 25 March 2025.