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$399+ Cheap flights from McAllen (MFE) to the United Kingdom

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LHR
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from McAllen to United Kingdom

Keep the following information in mind while searching for McAllen to United Kingdom flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$649
(United Airlines)

One-way from

$399
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$797
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 United Kingdom
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One-way flight from McAllen Miller Intl to United Kingdom
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Highest demand for flights based on searches. 18% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from McAllen to United Kingdom

Cheapest flights from McAllen to United Kingdom
Explore the most affordable flight options available from McAllen to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
mié. 12/107:00 amMFE - LHR
1 stop21h 15mUnited Airlines
mié. 12/1710:00 amLHR - MFE
1 stop15h 56mUnited Airlines
Deal found 10/27$649
This FlightHub deal was found by Cheapflights users on 10/29. 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.
dom. 12/711:53 amMFE - LHR
1 stop14h 42mBritish Airways
vie. 12/198:20 amLHR - MFE
1 stop20h 39mBritish Airways
Deal found 10/29$664
This Ovago deal was found by Cheapflights users on 10/29. 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.
sáb. 12/65:09 pmMFE - LHR
1 stop31h 41mBritish Airways
vie. 12/198:20 amLHR - MFE
1 stop20h 39mBritish Airways
Deal found 10/29$677
This United Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 10/3112:15 pmMFE - LHR
1 stop17h 00mUnited Airlines
dom. 11/22:30 pmLHR - MFE
2 stops37h 29mUnited Airlines
Deal found 10/27$726
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/142:06 pmMFE - LHR
1 stop11h 24mUnited Airlines
sáb. 11/2210:00 amLHR - MFE
1 stop14h 07mUnited Airlines
Deal found 10/28$740
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/147:00 amMFE - LHR
2 stops41h 30mAir Canada
sáb. 11/221:00 pmLHR - MFE
2 stops25h 54mAir Canada
Deal found 10/28$753
This United Airlines deal was found by Cheapflights users on 10/29. 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.
dom. 12/77:00 amMFE - LHR
1 stop21h 15mUnited Airlines
vie. 12/194:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 10/29$826
This United Airlines deal was found by Cheapflights users on 10/29. 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. 12/65:20 pmMFE - LHR
2 stops36h 00mUnited Airlines
vie. 12/194:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 10/29$832
This Delta deal was found by Cheapflights users on 10/28. 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.
vie. 11/145:24 pmMFE - LCY
2 stops37h 51mDelta
sáb. 11/228:40 amLCY - MFE
2 stops33h 24mDelta
Deal found 10/28$837
This United Airlines deal was found by Cheapflights users on 10/29. 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.
vie. 12/512:10 pmMFE - LHR
2 stops16h 40mUnited Airlines
vie. 12/194:20 pmLHR - MFE
2 stops22h 39mUnited Airlines
Deal found 10/29$850
This Booking.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/1211:53 amMFE - LHR
1 stop12h 57mBritish Airways
vie. 12/194:30 pmLHR - MFE
1 stop22h 27mBritish Airways
Deal found 10/28$864
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/262:06 pmMFE - LCY
2 stops20h 34mMultiple Airlines
dom. 11/307:20 pmLCY - MFE
3 stops32h 39mMultiple Airlines
Deal found 10/28$940

Cheapflights Fare Finder

 
Customize your flight search to find flights from McAllen to United Kingdom 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 octubre 29, 2025.
Use the filters below to find and compare flights from McAllen to the United Kingdom that are best for you.

Fly from

McAllen

Fly to

United Kingdom

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

mié. 12/10

7:00 am-10:15 am

1 stop21h 15m

London Heathrow

mié. 12/17

10:00 am-7:56 pm

1 stop15h 56m

$649

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

dom. 12/7

11:53 am-8:35 am

1 stop14h 42m

London Heathrow

vie. 12/19

8:20 am-10:59 pm

1 stop20h 39m

$664

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

sáb. 12/6

5:09 pm-6:50 am

1 stop31h 41m

London Heathrow

vie. 12/19

8:20 am-10:59 pm

1 stop20h 39m

$677

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 11/14

2:06 pm-7:30 am

1 stop11h 24m

London Heathrow

sáb. 11/22

10:00 am-6:07 pm

1 stop14h 07m

$740

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 11/14

7:00 am-6:30 am

2 stops41h 30m

London Heathrow

sáb. 11/22

1:00 pm-8:54 am

2 stops25h 54m

$753

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

dom. 12/7

5:00 am-5:55 am

2 stops18h 55m

London Heathrow

vie. 12/19

4:20 pm-8:59 am

2 stops22h 39m

$826

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

sáb. 12/6

5:20 pm-7:30 am

1 stop32h 10m

London Heathrow

vie. 12/19

4:20 pm-8:59 am

2 stops22h 39m

$826

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

sáb. 1/3

7:16 pm-10:00 am

1 stop32h 44m

London Heathrow

vie. 1/16

11:55 am-11:17 pm

1 stop17h 22m

$830

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

vie. 11/14

5:24 pm-1:15 pm

2 stops37h 51m

London City

sáb. 11/22

8:40 am-12:04 pm

2 stops33h 24m

$837

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

vie. 12/5

9:50 am-7:30 am

1 stop15h 40m

London Heathrow

vie. 12/19

4:20 pm-8:59 am

2 stops22h 39m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 47 results
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Best time to book a flight from McAllen to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, November is the cheapest month in which you can book a flight from McAllen to United Kingdom (average of $617). Flying from McAllen to United Kingdom 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 GB?

Find hourly flight availability from McAllen to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

A simple way to save on the total cost of your ticket is to fly from McAllen to United Kingdom at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated octubre 29, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from McAllen to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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
7,483 reviews
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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 United Kingdom. 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 United Kingdom?

    McAllen Miller Intl (MFE) is the airport you will fly out of if you book a flight from McAllen to United Kingdom. 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 United Kingdom?

    United Airlines, British Airways, and Delta can get you from McAllen to United Kingdom in just under 14h 42m. Your travel time can differ by up to 23h 09m. The distance between McAllen and United Kingdom is about 5135 mi. This flight may include one or multiple stops.

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

    $399 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $560 and $566, respectively.

  • What are the most popular routes from McAllen to United Kingdom?

    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 United Kingdom.

  • Can I find deals for flights from McAllen to United Kingdom that include hotel bookings?

    Yes. In addition to deals on McAllen to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from McAllen to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from McAllen to United Kingdom.

  • Can I find deals for business class flights from McAllen to United Kingdom?

    Yes. Cheapflights offers flight deals from McAllen to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from McAllen to United Kingdom (average of $617). Flying from McAllen to United Kingdom 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

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Alternative routes for McAllen to United Kingdom

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Top 3 airlines flying from McAllen to United Kingdom

Discover the top 3 airlines that operate flights from McAllen to United Kingdom. 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$680Average$1,125FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$682Average$1,070FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$880Average$1,286FlexibilityNo cancel feeOn-time71%

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