Cheap flights from McAllen to London from £349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from McAllen to London departing on 19/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
05:00 - 07:40
MFE
-
LHR
20h 40m
1 stop
United Airlines Logo
17:40 - 19:15
LHR
-
MFE
31h 35m
2 stops
£670United Airlines
Wed, 16 Sep - Wed, 30 Sep
United Airlines Logo
07:00 - 07:15
MFE
-
LHR
18h 15m
2 stops
United Airlines Logo
17:40 - 19:15
LHR
-
MFE
31h 35m
2 stops
£673United Airlines
Wed, 16 Sep - Wed, 30 Sep
British Airways Logo
16:19 - 12:50
MFE
-
LHR
14h 31m
1 stop
British Airways Logo
14:25 - 21:47
LHR
-
MFE
13h 22m
1 stop
£677British Airways
Wed, 16 Sep - Wed, 30 Sep
British Airways Logo
13:51 - 12:50
MFE
-
LHR
16h 59m
1 stop
British Airways Logo
19:25 - 00:16
LHR
-
MFE
34h 51m
2 stops
£684British Airways
Mon, 14 Sep - Mon, 21 Sep
United Airlines Logo
17:15 - 07:40
MFE
-
LHR
32h 25m
1 stop
United Airlines Logo
13:40 - 13:21
LHR
-
MFE
29h 41m
1 stop
£711United Airlines
Sat, 12 Sep - Mon, 21 Sep
KLM Logo
12:48 - 13:15
MFE
-
LHR
18h 27m
2 stops
KLM Logo
09:40 - 23:59
LHR
-
MFE
20h 19m
2 stops
£723KLM
Mon, 14 Sep - Mon, 21 Sep
KLM Logo
12:56 - 16:40
MFE
-
LCY
21h 44m
2 stops
KLM Logo
19:00 - 23:59
LCY
-
MFE
34h 59m
2 stops
£751KLM
Mon, 11 May - Tue, 9 Jun
Delta Logo
12:56 - 16:40
MFE
-
LCY
21h 44m
2 stops
Delta Logo
08:25 - 23:59
LCY
-
MFE
21h 34m
2 stops
£770Delta
Mon, 11 May - Wed, 10 Jun
Delta Logo
17:17 - 16:40
MFE
-
LCY
41h 23m
2 stops
Delta Logo
13:45 - 23:59
LCY
-
MFE
40h 14m
2 stops
£820Delta
Sun, 10 May - Sun, 7 Jun
Lufthansa Logo
12:10 - 17:55
MFE
-
LCY
23h 45m
2 stops
Lufthansa Logo
18:30 - 17:57
LCY
-
MFE
29h 27m
2 stops
£865Lufthansa
Tue, 12 May - Tue, 19 May

Iberia flights from McAllen to London

Our best Iberia deals on McAllen to London flight tickets
Iberia
21 Apr
MFE10:32McAllen Miller Intl
15h 33m
1 stop
LHR08:05London Heathrow
28 Apr
LHR06:15London Heathrow
20h 13m
2 stops
MFE20:28McAllen Miller Intl
£772
Iberia
21 Apr
MFE10:32McAllen Miller Intl
15h 33m
1 stop
LHR08:05London Heathrow
28 Apr
LHR06:15London Heathrow
20h 13m
2 stops
MFE20:28McAllen Miller Intl
£772
Iberia
20 Apr
MFE13:10McAllen Miller Intl
12h 55m
1 stop
LHR08:05London Heathrow
5 May
LHR20:00London Heathrow
33h 59m
2 stops
MFE23:59McAllen Miller Intl
£780

Air Canada flights from McAllen to London

Our best Air Canada deals on McAllen to London flight tickets
Air Canada
11 Sept
MFE05:00McAllen Miller Intl
22h 35m
2 stops
LHR09:35London Heathrow
26 Sept
LHR17:40London Heathrow
30h 05m
2 stops
MFE17:45McAllen Miller Intl
£751
Air Canada
10 May
MFE07:00McAllen Miller Intl
21h 00m
2 stops
LHR10:00London Heathrow
11 Jun
LHR14:10London Heathrow
24h 46m
2 stops
MFE08:56McAllen Miller Intl
£760
Air Canada
20 Apr
MFE07:00McAllen Miller Intl
21h 00m
2 stops
LHR10:00London Heathrow
5 May
LHR14:05London Heathrow
38h 54m
2 stops
MFE22:59McAllen Miller Intl
£784

momondo 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, momondo users made 279,928 searches. Data last updated 1 April 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

Wed 16/9

05:00-07:40

1 stop20h 40m

London Heathrow

Wed 30/9

17:40-19:15

2 stops31h 35m

£670

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 16/9

07:00-07:15

2 stops18h 15m

London Heathrow

Wed 30/9

17:40-19:15

2 stops31h 35m

£673
Fastest return journey

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 16/9

16:19-12:50

1 stop14h 31m

London Heathrow

Wed 30/9

14:25-21:47

1 stop13h 22m

£677

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 14/9

13:51-12:50

1 stop16h 59m

London Heathrow

Mon 21/9

19:25-00:16

2 stops34h 51m

£684

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/9

17:15-07:40

1 stop32h 25m

London Heathrow

Mon 21/9

13:40-13:21

1 stop29h 41m

£711

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 14/9

12:48-13:15

2 stops18h 27m

London Heathrow

Mon 21/9

09:40-23:59

2 stops20h 19m

£723

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Mon 11/5

12:56-16:40

2 stops21h 44m

London City

Tue 9/6

19:00-23:59

2 stops34h 59m

£751

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Mon 11/5

12:56-16:40

2 stops21h 44m

London City

Wed 10/6

08:25-23:59

2 stops21h 34m

£770

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sun 10/5

17:17-16:40

2 stops41h 23m

London City

Sun 7/6

13:45-23:59

2 stops40h 14m

£820

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 12/5

12:10-17:55

2 stops23h 45m

London City

Tue 19/5

18:30-17:57

2 stops29h 27m

£865

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from McAllen to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between McAllen and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from McAllen is in January. Flight prices, which tend to average around £459, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from McAllen averaging around £500.

When to book flights from McAllen to London

Are you open to changing your travel dates? Check out the ideal times to fly from McAllen to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap McAllen to London (MFE to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from McAllen to London

Fastest flight time

12h 21m

Direct flights

None
The fastest flight from McAllen to London takes 12h 21m
There are no direct flights from McAllen to London. There are no popular flight routes from McAllen to London.
  • How far is McAllen Miller Intl to London by plane?

    The straight-line distance from McAllen Miller Intl to London is 5145.6 mi. By plane, this route typically takes 12h 21m.

  • When did momondo last update prices for flights from McAllen Miller Intl Airport to London?

    Prices for flights from McAllen Miller Intl Airport to London refresh daily.

  • How old do you have to be to fly from McAllen Miller Intl Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from McAllen Miller Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Wembley
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Bedford
Chichester
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from McAllen to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from McAllen to London for you.

Can I find flights from McAllen to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from McAllen with this policy.

How can momondo help me find flights from McAllen to London?

momondo provides multiple filters to help you find the best flight to London from McAllen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from McAllen to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from McAllen and alert you when they change.

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1 adult
Fri 1/5
Fri 8/5

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London