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$331+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — LON
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This Iberia deal was found by Cheapflights users on 5/9. 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.
Wed 9/231:51 pm
MFE
-
LHR
1 stop13h 14m
Iberia
Wed 10/711:30 am
LHR
-
MFE
2 stops18h 46m
Iberia
Deal found 5/9$871
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 9/1612:07 pm
MFE
-
LHR
1 stop13h 38m
United Airlines
Wed 9/305:40 pm
LHR
-
MFE
2 stops31h 42m
United Airlines
Deal found 5/7$888
This Finnair deal was found by Cheapflights users on 5/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:19 pm
MFE
-
LHR
1 stop12h 36m
Multiple Airlines
Wed 10/712:55 pm
LHR
-
MFE
1 stop14h 52m
Multiple Airlines
Deal found 5/8$895
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 9/237:00 am
MFE
-
LHR
2 stops16h 55m
United Airlines
Wed 10/77:45 am
LHR
-
MFE
2 stops16h 14m
United Airlines
Deal found 5/8$896
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 9/125:15 pm
MFE
-
LHR
1 stop32h 30m
United Airlines
Tue 9/226:00 pm
LHR
-
MFE
2 stops23h 23m
United Airlines
Deal found 5/9$897
This oojo deal was found by Cheapflights users on 5/6. 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 9/164:19 pm
MFE
-
LHR
1 stop16h 06m
British Airways
Wed 9/308:55 am
LHR
-
MFE
1 stop18h 52m
British Airways
Deal found 5/6$899
This Delta deal was found by Cheapflights users on 5/9. 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.
Sun 11/84:34 pm
MFE
-
LCY
2 stops42h 01m
Delta
Sun 11/151:45 pm
LCY
-
MFE
2 stops40h 14m
Delta
Deal found 5/9$960
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:34 pm
MFE
-
LCY
2 stops42h 01m
Delta
Sat 11/148:40 am
LCY
-
MFE
2 stops37h 21m
Delta
Deal found 5/6$965
This Delta deal was found by Cheapflights users on 5/9. 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.
Sun 11/84:34 pm
MFE
-
LCY
2 stops42h 01m
Delta
Sat 11/148:40 am
LCY
-
MFE
2 stops33h 47m
Delta
Deal found 5/9$966
This Iberia deal was found by Cheapflights users on 5/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:56 am
MFE
-
LGW
2 stops25h 04m
Iberia
Wed 11/187:40 pm
LGW
-
MFE
2 stops33h 23m
Iberia
Deal found 5/5$1,116
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:59 pm
MFE
-
LGW
2 stops54h 01m
Multiple Airlines
Fri 7/242:00 pm
LGW
-
MFE
1 stop25h 53m
Multiple Airlines
Deal found 5/8$1,266
This Delta deal was found by Cheapflights users on 5/9. 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 6/1012:35 pm
MFE
-
LCY
2 stops22h 05m
Delta
Mon 6/158:25 am
LCY
-
MFE
2 stops21h 34m
Delta
Deal found 5/9$1,302

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 May 10, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$871
(Iberia)

One-way from

$331
(oojo)

Popular in

June

Cheapest in

January

Average price

$1,106
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. 21% potential increase in price ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 10, 2026.
Use the filters below to find and compare flights from McAllen to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 9/12

5:15 pm-7:45 am

1 stop32h 30m

London Heathrow

Tue 9/22

6:00 pm-11:23 am

2 stops23h 23m

$897

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Mon 9/14

5:15 pm-11:35 am

1 stop12h 20m

London Heathrow

Tue 9/22

9:30 am-9:57 pm

2 stops18h 27m

$899

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 9/12

5:15 pm-7:45 am

1 stop32h 30m

London Heathrow

Mon 9/21

8:00 am-9:57 pm

2 stops19h 57m

$945
Quickest round-trip

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 11/1

11:56 am-8:15 am

1 stop14h 19m

London Heathrow

Sat 11/14

3:00 pm-11:03 pm

1 stop14h 03m

$948

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sun 11/1

4:34 pm-4:35 pm

2 stops42h 01m

London City

Sat 11/14

8:40 am-4:01 pm

2 stops37h 21m

$965

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Sun 7/19

9:59 pm-10:00 am

2 stops54h 01m

London Gatwick

Fri 7/24

2:00 pm-9:53 am

1 stop25h 53m

$1,266

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Wed 6/10

12:35 pm-4:40 pm

2 stops22h 05m

London City

Mon 6/15

8:25 am-11:59 pm

2 stops21h 34m

$1,302

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 6/4

12:56 pm-4:40 pm

2 stops21h 44m

London City

Thu 6/11

9:20 am-11:59 pm

2 stops20h 39m

$1,312

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 9/12

12:48 pm-1:15 pm

2 stops18h 27m

London City

Mon 9/21

9:20 am-11:59 pm

2 stops20h 39m

$1,327

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 9/12

5:25 am-1:15 pm

2 stops25h 50m

London City

Mon 9/21

8:25 am-11:59 pm

2 stops21h 34m

$1,336

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 25 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on McAllen-London flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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, April is the cheapest month in which you can book a flight from McAllen to London (average of $561). Flying from McAllen to London in June is currently the most expensive (average of $1,177). 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.

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 May 10, 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
9,694 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,694 reviews
United Airlines
7.4
Good
9,694 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,964 reviews
United Airlines
7.4
Good
9,694 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 18h 27m. McAllen and London are separated by a distance of 5154 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. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $682 and $698, respectively. 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 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, April is the cheapest month in which you can book a flight from McAllen to London (average of $561). Flying from McAllen to London in June is currently the most expensive (average of $1,177). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
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Orpington
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Dorking
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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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$628Average$1,230FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$682Average$1,576FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$698Average$1,526FlexibilityNo cancel feeOn-time69%

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