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$378+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$589
(Cheapflightsfares)

One-way from

$378
(Expedia)

Popular in

December

Cheapest in

November

Average price

$788
Provider with most accurate pricing for McAllen Miller Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for McAllen Miller Intl-London (LON) flights.
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From McAllen Miller Intl to London (LON)
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One-way flight from McAllen Miller Intl to London (LON)
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Highest demand for flights based on searches. 5% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/8. 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.
sáb. 5/96:55 pmMFE - LHR
2 stops33h 05mUnited Airlines
mar. 5/127:30 amLHR - MFE
2 stops20h 19mUnited Airlines
Deal found 1/8$545
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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.
lun. 4/276:40 amMFE - LHR
1 stop19h 25mBritish Airways
jue. 5/76:10 amLHR - MFE
2 stops18h 42mBritish Airways
Deal found 1/7$583
This oojo deal was found by Cheapflights users on 1/8. 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.
lun. 9/1412:05 pmMFE - LHR
1 stop20h 20mBritish Airways
lun. 9/216:10 pmLHR - MFE
2 stops34h 07mBritish Airways
Deal found 1/8$587
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2411:00 amMFE - LHR
1 stop14h 50mBritish Airways
mar. 3/318:55 amLHR - MFE
1 stop15h 30mBritish Airways
Deal found 1/5$589
This Cheapflightsfares deal was found by Cheapflights users on 1/8. 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.
lun. 2/23:26 pmMFE - LHR
1 stop14h 49mBritish Airways
vie. 2/132:45 pmLHR - MFE
1 stop15h 23mBritish Airways
Deal found 1/8$590
This oojo deal was found by Cheapflights users on 1/7. 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.
sáb. 9/128:12 pmMFE - LHR
1 stop30h 53mBritish Airways
lun. 9/216:10 pmLHR - MFE
2 stops29h 52mBritish Airways
Deal found 1/7$592
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/2011:00 amMFE - LHR
1 stop15h 15mBritish Airways
vie. 2/276:05 amLHR - MFE
2 stops18h 20mBritish Airways
Deal found 1/5$603
This KLM deal was found by Cheapflights users on 1/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/271:03 pmMFE - LHR
2 stops18h 12mKLM
jue. 5/78:40 amLHR - MFE
2 stops21h 19mKLM
Deal found 1/7$608
This Cheapflightsfares deal was found by Cheapflights users on 1/8. 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.
vie. 1/2312:20 pmMFE - LHR
1 stop14h 15mBritish Airways
mié. 1/287:40 pmLHR - MFE
2 stops28h 37mBritish Airways
Deal found 1/8$618
This Cheapflightsfares deal was found by Cheapflights users on 1/8. 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.
vie. 1/231:03 pmMFE - LGW
2 stops21h 12mBritish Airways
mié. 1/289:05 pmLGW - MFE
2 stops27h 12mBritish Airways
Deal found 1/8$626
This oojo deal was found by Cheapflights users on 1/7. 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.
sáb. 2/215:01 pmMFE - LGW
2 stops37h 04mBritish Airways
sáb. 2/287:35 pmLGW - MFE
2 stops28h 50mBritish Airways
Deal found 1/7$699
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/59:59 amMFE - LCY
2 stops16h 51mIberia
dom. 2/87:15 pmLCY - MFE
2 stops34h 02mIberia
Deal found 1/7$764

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 enero 8, 2026.
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

sáb. 5/9

6:55 pm-10:00 am

2 stops33h 05m

London Heathrow

mar. 5/12

7:30 am-9:49 pm

2 stops20h 19m

$545

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

mar. 3/24

11:00 am-6:50 am

1 stop14h 50m

London Heathrow

mar. 3/31

8:55 am-6:25 pm

1 stop15h 30m

$589

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

lun. 2/2

3:26 pm-12:15 pm

1 stop14h 49m

London Heathrow

vie. 2/13

2:45 pm-12:08 am

1 stop15h 23m

$590

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

lun. 4/27

10:33 am-6:20 am

1 stop13h 47m

London Heathrow

jue. 5/7

8:55 am-6:52 pm

1 stop15h 57m

$602

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 2/20

11:00 am-8:15 am

1 stop15h 15m

London Heathrow

vie. 2/27

6:05 am-6:25 pm

2 stops18h 20m

$603

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

lun. 4/27

1:03 pm-1:15 pm

2 stops18h 12m

London Heathrow

jue. 5/7

8:40 am-11:59 pm

2 stops21h 19m

$608

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 1/23

12:20 pm-8:35 am

1 stop14h 15m

London Heathrow

mié. 1/28

7:40 pm-6:17 pm

2 stops28h 37m

$618

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

sáb. 2/21

5:01 pm-10:00 am

1 stop34h 59m

London Heathrow

sáb. 2/28

1:25 pm-11:06 pm

2 stops39h 41m

$620

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

vie. 1/23

1:03 pm-4:15 pm

2 stops21h 12m

London Gatwick

mié. 1/28

9:05 pm-6:17 pm

2 stops27h 12m

$626

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 2/20

5:13 am-6:30 am

2 stops19h 17m

London Heathrow

vie. 2/27

6:35 am-9:42 pm

2 stops21h 07m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 39 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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

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 enero 8, 2026.
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
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,141 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
British Airways
6.7
Okay
7,657 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 14h 50m. 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 $698 round trip. British Airways is 28% 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 Gatwick or McAllen Miller Intl - London City, 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.

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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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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$628Average$1,230FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$698Average$1,576FlexibilityNo cancel feeOn-time69%

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