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Cheap flights from McAllen to London from £298

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
1 Mar — 8 Mar1
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
Explore the most affordable flight options available from McAllen to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2026.

Wed 25/205:13
MFE
-
LHR
1 stop23h 02m
United Airlines
Wed 4/314:30
LHR
-
MFE
2 stops38h 29m
United Airlines
Deal found 28/1£462
Tue 18/815:23
MFE
-
LHR
1 stop11h 37m
British Airways
Mon 7/918:10
LHR
-
MFE
2 stops34h 29m
British Airways
Deal found 27/1£468
Sat 12/920:12
MFE
-
LHR
1 stop30h 53m
British Airways
Mon 21/918:10
LHR
-
MFE
2 stops29h 52m
British Airways
Deal found 28/1£472
Wed 25/217:01
MFE
-
LHR
1 stop12h 39m
British Airways
Wed 4/308:20
LHR
-
MFE
1 stop14h 11m
British Airways
Deal found 28/1£477
Thu 26/205:13
MFE
-
LHR
1 stop20h 17m
United Airlines
Mon 2/312:05
LHR
-
MFE
1 stop15h 37m
United Airlines
Deal found 28/1£479
Sat 12/920:12
MFE
-
LHR
1 stop30h 53m
British Airways
Tue 22/917:20
LHR
-
MFE
2 stops30h 42m
British Airways
Deal found 28/1£483
Wed 16/907:34
MFE
-
LHR
1 stop21h 21m
British Airways
Wed 30/912:20
LHR
-
MFE
2 stops39h 57m
British Airways
Deal found 29/1£484
Sat 12/919:27
MFE
-
LHR
1 stop30h 13m
United Airlines
Tue 22/910:00
LHR
-
MFE
1 stop13h 45m
United Airlines
Deal found 28/1£489
Wed 25/211:00
MFE
-
LCY
2 stops21h 05m
British Airways
Wed 4/307:50
LCY
-
MFE
2 stops21h 16m
British Airways
Deal found 28/1£530
Mon 14/912:48
MFE
-
LCY
2 stops21h 52m
Delta
Mon 21/908:25
LCY
-
MFE
2 stops21h 34m
Delta
Deal found 29/1£561
Sat 12/905:25
MFE
-
LCY
2 stops25h 50m
Delta
Mon 21/908:25
LCY
-
MFE
2 stops21h 34m
Delta
Deal found 29/1£597
Fri 27/209:37
MFE
-
LGW
2 stops27h 23m
Iberia
Tue 3/311:45
LGW
-
MFE
2 stops41h 21m
Iberia
Deal found 29/1£641

Find flight deals from McAllen to London

Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) to London (LON). 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 30 January 2026.

Round-trip from

£462

One-way from

£298

Popular in

December

Cheapest in

November

Average price

£571
United Airlines
  • United Airlines
  • 25/2-4/3
  • 3 total stops
  • 61h 31m total
  • McAllen to London
Search Deals
United Airlines
  • United Airlines
  • 14/3
  • 1 total stop
  • 31h 30m total
  • McAllen to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from McAllen to London 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 858,174 searches. Data last updated 30 January 2026.
Use the filters below to find and compare flights from McAllen to London that are best for you.

Fly from

McAllen

Fly to

London

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 25/2

05:13-10:15

1 stop23h 02m

London Heathrow

Wed 4/3

14:30-22:59

2 stops38h 29m

£462

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 25/2

17:01-11:40

1 stop12h 39m

London Heathrow

Wed 4/3

08:20-16:31

1 stop14h 11m

£477

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 26/2

05:13-07:30

1 stop20h 17m

London Heathrow

Mon 2/3

12:05-21:42

1 stop15h 37m

£479

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 24/3

15:48-12:15

1 stop15h 27m

London Heathrow

Tue 31/3

16:25-10:15

1 stop23h 50m

£501

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 24/3

07:00-05:55

2 stops17h 55m

London Heathrow

Tue 31/3

08:00-21:48

2 stops19h 48m

£507

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 25/2

11:00-14:05

2 stops21h 05m

London City

Wed 4/3

07:50-23:06

2 stops21h 16m

£530

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Fri 27/2

09:37-19:00

2 stops27h 23m

London Gatwick

Tue 3/3

11:45-23:06

2 stops41h 21m

£641

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Tue 24/3

11:00-10:50

2 stops18h 50m

London Gatwick

Tue 31/3

20:40-00:08

2 stops33h 28m

£749

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 25/2

09:37-14:05

2 stops22h 28m

London City

Sun 1/3

14:45-23:06

2 stops38h 21m

£759

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 24/3

09:37-14:05

2 stops23h 28m

London City

Tue 31/3

08:10-23:06

2 stops44h 56m

£830

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 37 results
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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
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
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    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, British Airways, and Iberia fly from McAllen to London in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 14h 44m. The distance between McAllen and London is about 5135 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Luton
Croydon
Wembley
Gatwick
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Hounslow
Ilford
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Watford
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Romford
Ipswich

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Alternative routes for McAllen to London

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