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$603+ 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
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap 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 December 8, 2025.

This Ovago deal was found by Cheapflights users on 12/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:42 pmMFE - LHR
1 stop13h 18mBritish Airways
Fri 12/1210:15 amLHR - MFE
1 stop14h 49mBritish Airways
Deal found 12/6$1,128
This American Airlines deal was found by Cheapflights users on 12/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:53 amMFE - LHR
1 stop14h 42mAmerican Airlines
Fri 12/1212:35 pmLHR - MFE
2 stops16h 39mAmerican Airlines
Deal found 12/6$1,330
This Ovago deal was found by Cheapflights users on 12/7. 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.
Sat 12/277:06 amMFE - LHR
1 stop20h 54mBritish Airways
Sat 1/38:20 amLHR - MFE
1 stop32h 11mBritish Airways
Deal found 12/7$1,561
This Ovago deal was found by Cheapflights users on 12/7. 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 12/194:01 pmMFE - LHR
1 stop11h 59mBritish Airways
Sat 12/278:20 amLHR - MFE
1 stop32h 11mBritish Airways
Deal found 12/7$1,804
This oojo deal was found by Cheapflights users on 12/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:53 amMFE - LCY
2 stops20h 12mIberia
Fri 12/127:15 pmLCY - MFE
2 stops33h 59mIberia
Deal found 12/6$1,810
This Trip.com deal was found by Cheapflights users on 12/7. 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 12/277:16 pmMFE - LHR
1 stop32h 44mBritish Airways
Fri 1/24:30 pmLHR - MFE
1 stop22h 22mBritish Airways
Deal found 12/7$1,868
This oojo deal was found by Cheapflights users on 12/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:16 pmMFE - LHR
1 stop29h 34mBritish Airways
Sun 1/47:15 pmLHR - MFE
2 stops29h 38mBritish Airways
Deal found 12/7$1,872
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/285:00 amMFE - LHR
1 stop20h 30mUnited Airlines
Sun 1/412:05 pmLHR - MFE
1 stop26h 54mUnited Airlines
Deal found 12/7$1,899
This Cheapflightsfares deal was found by Cheapflights users on 12/7. 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 12/272:05 pmMFE - LHR
1 stop11h 25mLufthansa
Sat 1/39:30 amLHR - MFE
2 stops19h 55mLufthansa
Deal found 12/7$1,999
This Gotogate deal was found by Cheapflights users on 12/7. 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 amMFE - LHR
2 stops43h 30mMultiple Airlines
Fri 1/27:40 amLHR - MFE
2 stops21h 45mMultiple Airlines
Deal found 12/7$2,135
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:18 pmMFE - LCY
2 stops37h 57mDelta
Sat 12/278:40 amLCY - MFE
2 stops21h 18mDelta
Deal found 12/7$2,581
This oojo deal was found by Cheapflights users on 12/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:53 amMFE - LGW
2 stops25h 07mBritish Airways
Fri 12/127:40 pmLGW - MFE
2 stops33h 34mBritish Airways
Deal found 12/6$2,732

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(oojo)

One-way from

$603
(oojo)

Popular in

December

Cheapest in

November

Average price

$1,355
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. 3% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 8, 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

Thu 1/22

5:56 pm-12:15 pm

1 stop12h 19m

London Heathrow

Thu 1/29

6:15 am-11:17 pm

2 stops23h 02m

$628

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 1/22

9:30 am-7:10 am

2 stops15h 40m

London Heathrow

Thu 1/29

8:30 am-9:57 pm

2 stops19h 27m

$633

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 1/30

12:05 pm-10:15 am

1 stop16h 10m

London Heathrow

Tue 2/3

1:00 pm-6:13 pm

2 stops35h 13m

$639

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 3/24

11:01 am-6:50 am

1 stop14h 49m

London Heathrow

Tue 3/31

10:50 am-8:57 am

2 stops28h 07m

$655

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 1/22

1:00 pm-4:35 pm

2 stops21h 35m

London City

Thu 1/29

7:45 am-11:57 pm

2 stops22h 12m

$663

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 3/24

5:15 pm-5:35 pm

2 stops19h 20m

London City

Tue 3/31

9:15 am-9:44 pm

2 stops18h 29m

$775

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Fri 1/30

1:03 pm-7:00 pm

2 stops23h 57m

London Gatwick

Tue 2/3

7:40 pm-11:17 pm

2 stops33h 37m

$877

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Fri 1/30

5:56 pm-8:50 am

2 stops56h 54m

London City

Tue 2/3

7:15 pm-11:17 pm

2 stops34h 02m

$1,521

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Fri 12/19

5:18 pm-1:15 pm

2 stops37h 57m

London City

Sat 12/27

8:40 am-11:58 pm

2 stops21h 18m

$2,581

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 3/13

9:37 am-11:40 am

2 stops21h 03m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 15 results
1
2

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 December.
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 December is currently the most expensive (average of $1,610). 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 December 8, 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 December 8, 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
9,078 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,078 reviews
United Airlines
7.4
Good
9,078 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,564 reviews
United Airlines
7.4
Good
9,078 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 2 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 12h 19m. 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 $628. Another option worth looking into is United Airlines, starting at $682 round trip. British Airways is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $595). Flying from McAllen to London in December is currently the most expensive (average of $1,610). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
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Borehamwood
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Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

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Top 2 airlines flying from McAllen to London

Discover the top 2 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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$628Average$1,230FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$682Average$1,485FlexibilityNo cancel feeOn-time69%

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