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Cheap flights from McAllen to London from £410

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
15 Apr — 22 Apr1
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 16 March 2026.

Mon 14/912:48
MFE
-
LHR
2 stops18h 27m
KLM
Wed 23/920:55
LHR
-
MFE
2 stops33h 04m
KLM
Deal found 13/3£574
Mon 14/920:12
MFE
-
LHR
1 stop12h 13m
British Airways
Tue 22/916:35
LHR
-
MFE
2 stops47h 16m
British Airways
Deal found 13/3£582
Tue 15/909:38
MFE
-
LHR
1 stop16h 02m
United Airlines
Tue 22/906:55
LHR
-
MFE
2 stops21h 02m
United Airlines
Deal found 13/3£584
Wed 16/905:00
MFE
-
LHR
2 stops19h 30m
United Airlines
Tue 22/906:55
LHR
-
MFE
2 stops21h 02m
United Airlines
Deal found 13/3£587
Sun 13/905:00
MFE
-
LHR
2 stops19h 55m
United Airlines
Tue 22/906:55
LHR
-
MFE
2 stops21h 02m
United Airlines
Deal found 13/3£587
Tue 18/820:12
MFE
-
LHR
1 stop12h 13m
British Airways
Mon 7/916:30
LHR
-
MFE
2 stops33h 02m
British Airways
Deal found 12/3£590
Wed 16/907:00
MFE
-
LHR
1 stop22h 35m
United Airlines
Wed 30/917:40
LHR
-
MFE
2 stops31h 35m
United Airlines
Deal found 14/3£593
Tue 15/912:48
MFE
-
LHR
2 stops15h 32m
Delta
Wed 23/912:50
LHR
-
MFE
2 stops17h 09m
Delta
Deal found 13/3£595
Mon 14/912:48
MFE
-
LCY
2 stops22h 32m
KLM
Wed 23/920:15
LCY
-
MFE
2 stops33h 44m
KLM
Deal found 13/3£599
Sat 12/912:48
MFE
-
LCY
2 stops18h 27m
KLM
Wed 23/920:15
LCY
-
MFE
2 stops33h 44m
KLM
Deal found 13/3£636
Mon 27/418:00
MFE
-
LGW
2 stops20h 00m
Iberia
Mon 4/520:40
LGW
-
MFE
2 stops53h 48m
Iberia
Deal found 13/3£643
Sat 12/912:48
MFE
-
LCY
2 stops22h 32m
KLM
Mon 21/909:20
LCY
-
MFE
2 stops20h 39m
KLM
Deal found 13/3£674

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 16 March 2026.

Round-trip from

£590

One-way from

£410

Popular in

December

Cheapest in

January

Average price

£514
British Airways
  • British Airways
  • 18/8-7/9
  • 3 total stops
  • 45h 15m total
  • McAllen to London
Search Deals
19/4
  • 19/4
  • 3 total stops
  • 59h 26m total
  • McAllen to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 16 March 2026.
Use the filters below to find and compare flights from McAllen to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 18/8

16:19-14:25

1 stop16h 06m

London Heathrow

Mon 7/9

20:00-21:47

2 stops31h 47m

£605

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/9

12:48-13:15

2 stops18h 27m

London Heathrow

Wed 23/9

19:15-23:59

2 stops34h 44m

£611

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 18/8

09:33-10:55

1 stop19h 22m

London Heathrow

Mon 7/9

12:55-00:15

1 stop17h 20m

£627

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/9

14:05-07:40

1 stop11h 35m

London Heathrow

Tue 22/9

13:40-11:23

1 stop27h 43m

£633

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/9

05:25-08:50

2 stops21h 25m

London Heathrow

Wed 23/9

11:45-23:59

2 stops18h 14m

£633

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 18/8

05:00-10:00

2 stops23h 00m

London Heathrow

Mon 7/9

17:40-17:54

2 stops30h 14m

£635

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 18/8

12:07-11:55

2 stops17h 48m

London Heathrow

Mon 7/9

17:40-21:57

2 stops34h 17m

£635

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 12/9

12:48-13:15

2 stops18h 27m

London City

Wed 23/9

20:15-23:59

2 stops33h 44m

£636

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 29/4

07:00-06:30

2 stops17h 30m

London Heathrow

Wed 6/5

07:30-21:48

2 stops20h 18m

£639

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 26/4

13:10-10:55

1 stop15h 45m

London Heathrow

Sun 3/5

12:55-23:59

1 stop17h 04m

£652

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 35 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
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

How much does it cost for a return flight from McAllen to London?

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 British Airways, KLM, and United Airlines fly from McAllen to London in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 6h 52m. 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?

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Croydon
Luton
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Gatwick
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Kingston upon Thames
Eastbourne
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Southend-on-Sea

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