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$548+ 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 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:04 amMFE - LHR
1 stop17h 46mBritish Airways
Fri 12/194:30 pmLHR - MFE
1 stop22h 27mBritish Airways
Deal found 11/4$662
This Gotogate deal was found by Cheapflights users on 11/4. 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.
Fri 12/52:42 pmMFE - LHR
1 stop11h 53mBritish Airways
Fri 12/194:30 pmLHR - MFE
1 stop22h 27mBritish Airways
Deal found 11/4$671
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 11/307:00 amMFE - LHR
1 stop18h 30mUnited Airlines
Thu 12/1110:00 amLHR - MFE
1 stop28h 54mUnited Airlines
Deal found 11/3$697
This United deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amMFE - LHR
1 stop18h 30mMultiple Airlines
Thu 12/116:00 pmLHR - MFE
2 stops31h 56mMultiple Airlines
Deal found 11/3$703
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/57:00 amMFE - LHR
2 stops16h 55mUnited Airlines
Fri 12/194:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 11/5$751
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 12/117:00 amMFE - LHR
1 stop18h 30mUnited Airlines
Tue 12/306:00 pmLHR - MFE
2 stops29h 50mUnited Airlines
Deal found 11/6$798
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:09 pmMFE - LHR
1 stop12h 31mBritish Airways
Sat 12/138:20 amLHR - MFE
1 stop13h 58mBritish Airways
Deal found 11/6$823
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:09 pmMFE - LHR
1 stop12h 31mBritish Airways
Sun 12/288:20 amLHR - MFE
1 stop20h 39mBritish Airways
Deal found 11/6$841
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/912:10 pmMFE - LHR
2 stops16h 40mUnited Airlines
Sun 12/284:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 11/6$856
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 11/307:00 amMFE - LCY
2 stops27h 40mMultiple Airlines
Thu 12/119:40 amLCY - MFE
2 stops18h 19mMultiple Airlines
Deal found 11/3$872
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/127:00 amMFE - LHR
2 stops17h 40mUnited Airlines
Mon 12/297:55 amLHR - MFE
2 stops31h 04mUnited Airlines
Deal found 11/4$873
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:14 pmMFE - LGW
2 stops39h 51mMultiple Airlines
Mon 12/292:00 pmLGW - MFE
1 stop26h 12mMultiple Airlines
Deal found 11/4$933

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$662
(FlightHub)

One-way from

$548
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$708
Provider with most accurate pricing for McAllen Miller Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for McAllen Miller Intl-London (LON) flights.
Search Deals
From McAllen Miller Intl to London (LON)
Search Deals
One-way flight from McAllen Miller Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 6, 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

7:04 am-6:50 am

1 stop17h 46m

London Heathrow

Fri 12/19

4:30 pm-8:57 am

1 stop22h 27m

$662

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 12/5

5:00 am-7:30 am

1 stop20h 30m

London Heathrow

Fri 12/19

4:20 pm-8:59 am

2 stops22h 39m

$751

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/6

7:00 am-7:30 am

1 stop18h 30m

London Heathrow

Fri 12/19

4:20 pm-8:59 am

2 stops22h 39m

$751

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 12/11

7:00 am-7:30 am

1 stop18h 30m

London Heathrow

Tue 12/30

6:00 pm-5:50 pm

2 stops29h 50m

$798

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 12/6

5:09 pm-11:40 am

1 stop12h 31m

London Heathrow

Sat 12/13

8:20 am-4:18 pm

1 stop13h 58m

$823

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 12/10

11:53 am-6:50 am

1 stop12h 57m

London Heathrow

Sun 12/28

8:20 am-10:59 pm

1 stop20h 39m

$841

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 12/10

7:00 am-10:15 am

1 stop21h 15m

London Heathrow

Sun 12/28

4:20 pm-8:59 am

2 stops22h 39m

$856

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sun 11/30

7:00 am-4:40 pm

2 stops27h 40m

London City

Thu 12/11

5:15 pm-6:07 pm

3 stops30h 52m

$896

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Fri 12/12

12:14 pm-10:05 am

2 stops39h 51m

London Gatwick

Mon 12/29

2:00 pm-10:12 am

1 stop26h 12m

$933

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Sat 12/13

2:49 pm-10:00 am

2 stops37h 11m

London Gatwick

Mon 12/29

2:00 pm-10:12 am

1 stop26h 12m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 23 results
1
2
3

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 $617). 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 6, 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.

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 6, 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.
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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
United Airlines
7.4
Good
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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
British Airways
6.7
Okay
7,496 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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 17h 46m. 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 21% 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 $548 on United Airlines. Other airlines that offer cheap prices include Air Canada from $554 and British Airways from $1,061 one-way.

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

    While some choose either McAllen Miller Intl - London City or McAllen Miller Intl - London Gatwick, McAllen Miller Intl - London Heathrow is the most popular route 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 $617). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
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Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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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 6, 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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