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$259+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$633
(Priceline)

One-way from

$259
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$918
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. 18% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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.
Wed 8/276:10 pmMFE - LHR
1 stop14h 15mBritish Airways
Wed 9/107:50 amLHR - MFE
2 stops19h 02mBritish Airways
Deal found 7/1$633
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/2710:38 amMFE - LHR
1 stop16h 22mAmerican Airlines
Wed 9/1012:00 pmLHR - MFE
1 stop16h 50mAmerican Airlines
Deal found 7/1$654
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 7/229:45 amMFE - LHR
2 stops20h 00mUnited Airlines
Wed 8/612:15 pmLHR - MFE
2 stops26h 38mUnited Airlines
Deal found 7/3$689
This KLM deal was found by Cheapflights users on 7/1. 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 9/2012:30 pmMFE - LHR
2 stops19h 00mKLM
Sun 9/288:55 pmLHR - MFE
2 stops33h 03mKLM
Deal found 7/1$753
This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:40 pmMFE - LCY
2 stops16h 50mBritish Airways
Wed 8/67:05 pmLCY - MFE
2 stops28h 06mBritish Airways
Deal found 7/2$764
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 8/275:17 pmMFE - LHR
2 stops38h 33mDelta
Wed 9/1011:45 amLHR - MFE
2 stops42h 13mDelta
Deal found 7/1$805
This KLM deal was found by Cheapflights users on 7/1. 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 9/2012:30 pmMFE - LCY
2 stops18h 45mKLM
Sun 9/288:45 pmLCY - MFE
2 stops33h 13mKLM
Deal found 7/1$824
This Iberia deal was found by Cheapflights users on 7/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:21 pmMFE - LHR
1 stop12h 24mIberia
Wed 8/68:20 amLHR - MFE
1 stop20h 38mIberia
Deal found 7/3$885
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/292:30 pmMFE - LGW
1 stop38h 25mMultiple Airlines
Wed 8/610:55 amLGW - MFE
1 stop30h 19mMultiple Airlines
Deal found 6/30$948
This Delta deal was found by Cheapflights users on 7/1. 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 11/75:14 pmMFE - LCY
2 stops38h 01mDelta
Sun 11/301:45 pmLCY - MFE
2 stops40h 11mDelta
Deal found 7/1$1,012
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/2712:10 pmMFE - LCY
3 stops18h 20mMultiple Airlines
Wed 9/108:45 amLCY - MFE
2 stops19h 02mMultiple Airlines
Deal found 7/1$1,137
This Booking.com deal was found by Cheapflights users on 7/1. 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.
Mon 7/285:15 amMFE - LHR
2 stops19h 20mAir Canada
Fri 8/88:30 amLHR - MFE
2 stops34h 59mAir Canada
Deal found 7/1$1,144

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 July 3, 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

Wed 8/27

6:10 pm-2:25 pm

1 stop14h 15m

London Heathrow

Wed 9/10

7:50 am-8:52 pm

2 stops19h 02m

$633

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 8/27

10:38 am-9:00 am

1 stop16h 22m

London Heathrow

Wed 9/10

12:00 pm-10:50 pm

1 stop16h 50m

$654

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 7/22

9:45 am-11:45 am

2 stops20h 00m

London Heathrow

Wed 8/6

12:15 pm-8:53 am

2 stops26h 38m

$689

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 9/20

12:30 pm-1:30 pm

2 stops19h 00m

London Heathrow

Sun 9/28

8:55 pm-11:58 pm

2 stops33h 03m

$753

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 7/22

12:40 pm-11:30 am

2 stops16h 50m

London City

Wed 8/6

7:05 pm-5:11 pm

2 stops28h 06m

$764

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 8/27

5:17 pm-1:50 pm

2 stops38h 33m

London Heathrow

Wed 9/10

11:45 am-11:58 pm

2 stops42h 13m

$805

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 9/20

12:30 pm-1:15 pm

2 stops18h 45m

London City

Sun 9/28

8:45 pm-11:58 pm

2 stops33h 13m

$824

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Tue 7/22

6:21 pm-12:45 pm

1 stop12h 24m

London Heathrow

Wed 8/6

8:20 am-10:58 pm

1 stop20h 38m

$885

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Tue 7/29

2:30 pm-10:55 am

1 stop38h 25m

London Gatwick

Wed 8/6

10:55 am-11:14 am

1 stop30h 19m

$948

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Fri 11/7

5:14 pm-1:15 pm

2 stops38h 01m

London City

Sun 11/30

1:45 pm-11:56 pm

2 stops40h 11m

$1,012

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 21 results
1
2
3

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 $661). Flying from McAllen to London in June is currently the most expensive (average of $1,098). 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 July 3, 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 morning.

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 July 3, 2025.
Read through reviews of airlines operating flights from McAllen to London, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $633. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $654 and $689, 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 $484 on American Airlines. Other airlines that offer cheap prices include United Airlines from $543 and Iberia from $598 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 $661). Flying from McAllen to London in June is currently the most expensive (average of $1,098). 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 McAllen?

Book flights to McAllen if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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Alternative routes for McAllen to London

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$661Average$1,081FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$680Average$1,081FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$711Average$1,070FlexibilityNo cancel feeOn-time69%

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