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Cheap flights from McAllen to London from £403

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
21 Apr — 28 Apr1
1 adult

Cheap 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 April 2025.

Round-trip from

£555

One-way from

£403

Popular in

May

Cheapest in

March

Average price

£604
British Airways
  • British Airways
  • 14/5-21/5
  • 4 total stops
  • 47h 20m total
  • McAllen to London
22/5
  • 22/5
  • 3 total stops
  • 51h 31m total
  • McAllen to London
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from McAllen to London

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 April 2025.

Wed 14/510:31MFE - LHR
2 stops18h 04mBritish Airways
Wed 21/520:15LHR - MFE
2 stops29h 16mBritish Airways
Deal found 14/4£555
Sat 16/818:20MFE - LHR
1 stop30h 05mIberia
Sun 24/806:10LHR - MFE
2 stops23h 48mIberia
Deal found 15/4£556
Sat 16/814:14MFE - LHR
2 stops34h 16mUnited Airlines
Sun 24/814:10LHR - MFE
2 stops35h 16mUnited Airlines
Deal found 15/4£558
Mon 3/1105:15MFE - LHR
2 stops19h 15mAir Canada
Fri 14/1114:30LHR - MFE
2 stops28h 35mAir Canada
Deal found 16/4£592
Thu 29/511:59MFE - LGW
1 stop16h 56mMultiple Airlines
Thu 5/614:00LGW - MFE
1 stop33h 50mMultiple Airlines
Deal found 15/4£620
Wed 14/506:00MFE - LHR
1 stop18h 25mAmerican Airlines
Wed 21/512:00LHR - MFE
1 stop13h 31mAmerican Airlines
Deal found 14/4£654
Sat 16/818:20MFE - LGW
2 stops34h 30mIberia
Sun 24/811:35LGW - MFE
2 stops18h 23mIberia
Deal found 15/4£698
Mon 3/1112:03MFE - LCY
2 stops16h 47mBritish Airways
Fri 14/1117:00LCY - MFE
2 stops31h 13mBritish Airways
Deal found 16/4£704
Sun 3/805:15MFE - LHR
2 stops22h 45mMultiple Airlines
Sun 10/817:40LHR - MFE
2 stops30h 24mMultiple Airlines
Deal found 15/4£791
Thu 29/512:33MFE - LHR
2 stops18h 37mKLM
Thu 5/608:40LHR - MFE
2 stops21h 18mKLM
Deal found 15/4£809
Fri 19/1217:30MFE - LCY
2 stops37h 45mDelta
Sat 27/1208:40LCY - MFE
2 stops21h 26mDelta
Deal found 15/4£1,050
Fri 19/1217:30MFE - LHR
2 stops36h 35mDelta
Sat 27/1206:30LHR - MFE
2 stops23h 36mDelta
Deal found 15/4£1,127

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 April 2025.
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 14/5

10:31-10:35

2 stops18h 04m

London Heathrow

Wed 21/5

20:15-19:31

2 stops29h 16m

£555

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 16/8

18:20-06:25

1 stop30h 05m

London Heathrow

Sun 24/8

06:10-23:58

2 stops23h 48m

£556

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 16/8

14:14-06:30

2 stops34h 16m

London Heathrow

Sun 24/8

14:10-19:26

2 stops35h 16m

£558

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Thu 29/5

11:59-10:55

1 stop16h 56m

London Gatwick

Thu 5/6

14:00-17:50

1 stop33h 50m

£620

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 14/5

06:00-06:25

1 stop18h 25m

London Heathrow

Wed 21/5

12:00-19:31

1 stop13h 31m

£654

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Sat 16/8

18:20-10:50

2 stops34h 30m

London Gatwick

Sun 24/8

11:35-23:58

2 stops18h 23m

£698

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 16/8

20:13-11:30

2 stops33h 17m

London City

Sun 24/8

15:25-18:06

2 stops32h 41m

£719

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 3/8

05:15-10:00

2 stops22h 45m

London Heathrow

Sun 10/8

17:40-18:04

2 stops30h 24m

£791

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 29/5

12:33-13:10

2 stops18h 37m

London Heathrow

Thu 5/6

08:40-23:58

2 stops21h 18m

£809

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 31/5

05:27-13:15

2 stops25h 48m

London City

Sat 7/6

08:40-16:35

2 stops37h 55m

£1,534

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 14 results
1
2

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

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

Currently, January is the cheapest month in which you can book a flight from McAllen to London (average of £112). Flying from McAllen to London in August is currently the most expensive (average of £164). 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 16 April 2025.
Read through reviews of airlines operating flights from McAllen to London, such as Delta, KLM and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from McAllen to London round-trip?

    According to our current data, British Airways (£555), Iberia (£556), and United Airlines (£558) offers the cheapest pricing from McAllen to London. You may be able to fly from McAllen to London for 17% less than the average price by searching for these airlines.

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

  • 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, January is the cheapest month in which you can book a flight from McAllen to London (average of £112). Flying from McAllen to London in August is currently the most expensive (average of £164). 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

Travelling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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