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Cheap flights from McAllen to London from £245

MFE — LON
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from McAllen to London

Enter your travel dates to find the best prices.

Cheapest flights from McAllen to London

Wed 16/917:17 -
2 stops38h 33m
Wed 30/911:45 -
2 stops42h 10m
Deal found 9/9£613
Thu 8/1012:46 -
2 stops21h 54m
Thu 15/1009:20 -
2 stops20h 39m
Deal found 8/9£624
Wed 23/912:00 -
1 stop17h 35m
Wed 7/1010:00 -
1 stop15h 29m
Deal found 9/9£654
Tue 13/1007:00 -
1 stop18h 55m
Thu 22/1015:00 -
2 stops36h 58m
Deal found 6/9£658
Wed 23/916:35 -
1 stop12h 20m
Wed 7/1014:25 -
1 stop15h 37m
Deal found 8/9£659
Tue 15/917:47 -
1 stop13h 03m
Tue 22/908:55 -
1 stop18h 49m
Deal found 8/9£660
Tue 13/1007:00 -
2 stops22h 50m
Thu 22/1017:40 -
2 stops34h 18m
Deal found 6/9£671
Tue 13/1016:37 -
1 stop15h 48m
Thu 22/1008:55 -
1 stop21h 07m
Deal found 6/9£676
Mon 5/1007:00 -
1 stop18h 45m
Mon 12/1015:30 -
2 stops36h 28m
Deal found 6/9£677
Tue 20/1007:00 -
2 stops17h 30m
Tue 27/1010:00 -
1 stop16h 58m
Deal found 5/9£678
Mon 5/1012:39 -
2 stops22h 01m
Mon 12/1009:20 -
2 stops20h 39m
Deal found 6/9£713
Tue 15/917:47 -
2 stops20h 13m
Tue 22/920:40 -
2 stops55h 04m
Deal found 8/9£798

Find flight deals from McAllen to London

Round-trip from

£576

One-way from

£245

Popular in

June

Cheapest in

January

Average price

£709
United Airlines
  • United Airlines
  • 30/1-1/2
  • 4 total stops
  • 73h 34m total
  • McAllen to London
Search Deals
United Airlines
  • United Airlines
  • 13/2-31/12
  • 2 total stops
  • 22h 05m total
  • McAllen to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sat 13/2

17:15-21:20

2 stops22h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£245

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sat 13/2

14:06-06:50

1 stop34h 44m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£246

McAllenLondon

MFE McAllen Miller Intl - LGW London Gatwick

MFELGW

McAllen Miller Intl

Sat 13/2

14:06-10:50

2 stops38h 44m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£252

McAllenLondon

MFE McAllen Miller Intl - LCY London City

MFELCY

McAllen Miller Intl

Sat 13/2

16:19-08:50

2 stops58h 31m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£270

McAllenLondon

MFE McAllen Miller Intl - LGW London Gatwick

MFELGW

McAllen Miller Intl

Sat 28/11

12:47-08:25

2 stops37h 38m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£342

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sat 31/10

17:15-07:50

1 stop33h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£351

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Sat 28/11

12:47-12:50

3 stops42h 03m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£357

McAllenLondon

MFE McAllen Miller Intl - LCY London City

MFELCY

McAllen Miller Intl

Sat 31/10

17:15-17:40

2 stops43h 25m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£371

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Wed 16/9

16:35-14:25

1 stop15h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

McAllenLondon

MFE McAllen Miller Intl - LHR London Heathrow

MFELHR

McAllen Miller Intl

Wed 16/9

07:00-07:15

2 stops18h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 29 resultsSorted by cheapest first
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Best time to book a flight from McAllen to London

Have a flexible travel schedule? Discover the best time to fly to London from McAllen with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, April is the cheapest month in which you can book a flight from McAllen to London (average of £529). Flying from McAllen to London in October is currently the most expensive (average of £1,328). 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.

Related info for your journey

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

    McAllen Miller Intl (MFE), located 2.0 mi from the city center, is the airport you fly out of when you book flights from McAllen to London. 0 airlines have flights from Miller Intl to London on a regular basis. Booking flights from McAllen Miller Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from McAllen to London?

    Airlines like United Airlines, Delta, and Iberia fly from McAllen to London in about 19h 28m. The time it takes to get you to your destination can typically vary by up to 19h 05m. The distance between McAllen and London is about 5154 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from McAllen to London?

    When deciding which route to take from McAllen to London consider McAllen Miller Intl - London Heathrow, McAllen Miller Intl - London City or McAllen Miller Intl - London Gatwick as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from McAllen to London 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?

    Currently, April is the cheapest month in which you can book a flight from McAllen to London (average of £529). Flying from McAllen to London in October is currently the most expensive (average of £1,328). 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

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