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Cheap flights from McAllen to London Heathrow Airport from £483

MFE — LHR
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from McAllen to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from McAllen to Heathrow

Mon 16/1107:00 -
2 stops19h 30m
Wed 18/1115:00 -
2 stops36h 58m
Deal found 20/10£909
Mon 16/1109:30 -
1 stop16h 10m
Wed 18/1110:00 -
1 stop17h 58m
Deal found 20/10£915
Sun 20/1219:25 -
1 stop30h 15m
Wed 6/113:30 -
2 stops38h 13m
Deal found 21/10£946
Sun 20/1219:25 -
1 stop30h 15m
Wed 6/112:05 -
1 stop17h 10m
Deal found 21/10£1,093
Mon 21/1219:44 -
1 stop29h 06m
Sat 26/1206:00 -
2 stops23h 59m
Deal found 23/10£1,139
Mon 21/1207:15 -
2 stops18h 40m
Sat 26/1218:00 -
2 stops35h 07m
Deal found 23/10£1,163

Find flight deals from McAllen to Heathrow

Round-trip from

£649

One-way from

£483

Popular in

March

Cheapest in

January

Average price

£653
British Airways
  • British Airways
  • 20/3-5/4
  • 3 total stops
  • 58h 43m total
  • McAllen to London
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United Airlines
  • United Airlines
  • 13/12-31/12
  • 2 total stops
  • 20h 55m total
  • McAllen to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£121 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£40 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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

Cheapest return flight

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 13/12

05:00-07:55

2 stops20h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£483

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 13/12

11:09-08:15

1 stop15h 06m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£483
Fastest return journey

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 21/12

12:11-07:40

1 stop13h 29m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£628

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 21/12

07:15-08:30

3 stops19h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£634

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 10/1

10:44-10:00

1 stop17h 16m

London Heathrow

Sun 17/1

06:10-20:32

2 stops20h 22m

£741

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 10/1

16:34-13:50

2 stops39h 16m

London Heathrow

Sun 17/1

11:45-23:59

2 stops42h 14m

£746

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 10/1

07:15-09:10

2 stops19h 55m

London Heathrow

Sun 17/1

15:00-16:06

2 stops31h 06m

£751

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sun 10/1

15:59-12:00

1 stop14h 01m

London Heathrow

Sun 17/1

12:10-23:30

1 stop17h 20m

£752

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Mon 16/11

09:30-07:40

1 stop16h 10m

London Heathrow

Wed 18/11

10:00-21:58

1 stop17h 58m

£915

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Sorted by cheapest first

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

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.

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

    Iberia, Delta, and United Airlines can get you from McAllen to London Heathrow Airport in just under 17h 16m. Your travel time can differ by up to 22h. The distance between McAllen and London Heathrow Airport is about 5135 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Northampton
Colchester
Barnet
Eastbourne
Brentford
Southend-on-Sea
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

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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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