London

$554+ Cheap flights from McAllen (MFE) to London (LON)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
Dec 13 — Dec 201
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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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:20 pmMFE - LHR
1 stop32h 10mUnited Airlines
Mon 12/1510:00 amLHR - MFE
1 stop17h 59mUnited Airlines
Deal found 11/10$696
This British Airways deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:42 pmMFE - LHR
1 stop13h 18mBritish Airways
Sat 12/134:30 pmLHR - MFE
1 stop22h 27mBritish Airways
Deal found 11/11$747
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:10 pmMFE - LHR
2 stops14h 15mUnited Airlines
Sat 12/137:40 amLHR - MFE
2 stops20h 19mUnited Airlines
Deal found 11/11$751
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:50 amMFE - LCY
3 stops20h 55mMultiple Airlines
Mon 12/159:50 amLCY - MFE
3 stops31h 33mMultiple Airlines
Deal found 11/10$815
This Expedia deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:04 amMFE - LGW
2 stops21h 46mIberia
Mon 12/157:40 pmLGW - MFE
2 stops19h 17mIberia
Deal found 11/10$871
This United Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:10 pmMFE - LHR
2 stops14h 40mUnited Airlines
Fri 12/194:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 11/13$886
This Ovago deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:42 pmMFE - LHR
1 stop13h 18mBritish Airways
Fri 12/1910:05 amLHR - MFE
1 stop18h 54mBritish Airways
Deal found 11/13$1,147
This KLM deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:49 pmMFE - LCY
2 stops18h 26mKLM
Mon 12/159:20 amLCY - MFE
2 stops20h 36mKLM
Deal found 11/10$1,538
This Iberia deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:42 pmMFE - LGW
2 stops22h 18mIberia
Sat 12/137:40 pmLGW - MFE
2 stops19h 17mIberia
Deal found 11/11$1,547
This Trip.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:06 amMFE - LHR
1 stop20h 54mIberia
Sat 1/34:30 pmLHR - MFE
1 stop22h 22mIberia
Deal found 11/12$1,916
This Gotogate deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 pmMFE - LHR
2 stops34h 20mAir Canada
Sat 1/36:00 pmLHR - MFE
2 stops35h 25mAir Canada
Deal found 11/12$1,997
This Priceline deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:00 amMFE - LHR
2 stops41h 30mMultiple Airlines
Sat 1/34:30 pmLHR - MFE
1 stop22h 22mMultiple Airlines
Deal found 11/10$2,153

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$696
(United Airlines)

One-way from

$554
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$641
Provider with most accurate pricing for McAllen Miller Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for McAllen Miller Intl-London (LON) flights.
From McAllen Miller Intl to London (LON)
One-way flight from McAllen Miller Intl to London (LON)
Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 13, 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

Sat 12/6

5:20 pm-7:30 am

1 stop32h 10m

London Heathrow

Mon 12/15

10:00 am-9:59 pm

1 stop17h 59m

$696

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 12/5

2:42 pm-10:00 am

1 stop13h 18m

London Heathrow

Sat 12/13

4:30 pm-8:57 am

1 stop22h 27m

$747

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 12/5

2:10 pm-10:25 am

2 stops14h 15m

London Heathrow

Sat 12/13

7:40 am-9:59 pm

2 stops20h 19m

$751

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 12/6

9:50 am-12:45 pm

3 stops20h 55m

London City

Mon 12/15

9:50 am-11:23 am

3 stops31h 33m

$815

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 5/4

9:52 am-12:10 pm

1 stop20h 18m

London Heathrow

Mon 6/1

6:45 pm-11:59 pm

2 stops35h 14m

$868

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 12/5

9:50 am-10:15 am

1 stop18h 25m

London Heathrow

Fri 12/19

4:20 pm-8:59 am

2 stops22h 39m

$886

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 5/4

11:55 am-10:40 am

2 stops16h 45m

London Heathrow

Mon 6/1

3:30 pm-9:30 pm

2 stops36h 00m

$891

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Mon 5/4

2:15 pm-6:35 pm

2 stops22h 20m

London City

Mon 6/1

7:10 pm-5:45 pm

3 stops28h 35m

$950

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 5/4

7:15 am-10:00 am

3 stops20h 45m

London Heathrow

Mon 6/1

5:40 pm-5:45 pm

2 stops30h 05m

$954

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Mon 5/4

4:12 pm-8:00 pm

2 stops21h 48m

London Gatwick

Mon 6/1

8:40 pm-11:59 pm

2 stops33h 19m

$1,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 23 results
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Compare providers for flights from McAllen to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from McAllen to London in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on McAllen-London flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on McAllen-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from McAllen-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on McAllen-London flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for McAllen-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, November is the cheapest month in which you can book a flight from McAllen to London (average of $595). Flying from McAllen to London in June is currently the most expensive (average of $1,427). 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.

What is the cheapest time of day to fly from MFE to LON?

Find hourly flight availability from McAllen to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 35% on flights from McAllen to London by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from McAllen to London?

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 November 13, 2025.
Read through reviews of airlines operating flights from McAllen to London, such as United Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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) is the airport you will fly out of if you book a flight from McAllen to London. You should not have trouble finding flights to London from Miller Intl; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the McAllen airport to London. It is only a 2.0 mi journey to Miller Intl (MFE) from McAllen’s city center.

  • How long is the flight from McAllen to London?

    Departing from McAllen to London will take you 13h 18m. McAllen and London are separated by a distance of 5135 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on British Airways is currently your cheapest option to London, with prices starting at $680. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $682 and $682, respectively. British Airways is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from McAllen to London one-way?

    One-way options have recently been found by users for as low as $554 on United Airlines. Other airlines that offer cheap prices include Air Canada from $554 and Iberia from $901 one-way.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from McAllen to London (average of $595). Flying from McAllen to London in June is currently the most expensive (average of $1,427). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Hayes
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Alternative routes for McAllen to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from McAllen to London

Discover the top 3 airlines that operate flights from McAllen to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$680Average$1,125FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$682Average$1,381FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$682Average$1,286FlexibilityNo cancel feeOn-time71%

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