What are the cheapest airlines flying from McAllen to London round-trip?

According to our current data, Delta (£455), British Airways (£505), and United Airlines (£509) offers the cheapest pricing from McAllen to London. You may be able to fly from McAllen to London for 28% less than the average price by searching for these airlines.

What is the cheapest day to fly from McAllen to London?

Travellers seeking maximum savings on their McAllen to London flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from McAllen to London?

When deciding which route to take from McAllen to London consider McAllen Miller Intl - London Heathrow, McAllen Miller Intl - London Gatwick or McAllen Miller Intl - London City as they are the most popular.

What is the cheapest month to fly from McAllen to London?

The best pricing can be found in the month of March. Prices to London from McAllen average £636. You can even find prices in March for less than £636, as users have found deals to London from as low as £504. The month of June appears to be one of the more expensive times to travel to London from McAllen. Flying in the targeted month can save you up to 46%.

What is the cheapest time of day to fly from MFE to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from McAllen to London as you normally would.

What airport do you fly from for flights from McAllen to London?

McAllen Miller Intl (MFE), located 2.0 mi from the city center, is the airport you fly out of when you book flights from McAllen to London. 0 airlines have flights from Miller Intl to London on a regular basis. Booking flights from McAllen Miller Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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 holiday 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.

£351+ Flights from McAllen to London

Q: How much does it cost for a return flight from McAllen to London?

Airfare is below average for this route at the moment. McAllen to London flights typically cost between £552 and £585 in September. The cheapest return flight price found within the last 3 days was £455 on Delta (11 Sept-18 Sept).

Cheap flight deals from McAllen to London

Round-trip from	£455
One-way from	£351
Popular in	June
Cheapest in	March
Average price	£673

Delta
11/9-18/9
4 total stops
42h 48m total
McAllen to London

Search Deals

United Airlines
22/8
2 total stops
17h 55m total
McAllen to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£109 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 30 July 2025.

Mon 4/812:31MFE - LHR

2 stops18h 59mKLM

Wed 13/820:55LHR - MFE

2 stops33h 04mKLM

Deal found 28/7£397

Sun 3/817:14MFE - LHR

2 stops38h 36mDelta

Wed 13/811:45LHR - MFE

2 stops42h 14mDelta

Deal found 27/7£422

Thu 11/912:30MFE - LCY

2 stops22h 10mDelta

Thu 18/907:45LCY - MFE

2 stops22h 13mDelta

Deal found 28/7£474

Mon 4/820:06MFE - LHR

1 stop12h 19mBritish Airways

Wed 13/819:30LHR - MFE

2 stops33h 12mBritish Airways

Deal found 27/7£497

Fri 14/1109:50MFE - LHR

1 stop18h 25mUnited Airlines

Tue 18/1114:30LHR - MFE

2 stops37h 29mUnited Airlines

Deal found 28/7£509

Mon 4/820:06MFE - LHR

1 stop12h 19mAmerican Airlines

Mon 11/816:25LHR - MFE

1 stop22h 28mAmerican Airlines

Deal found 27/7£556

Thu 21/809:33MFE - LHR

1 stop19h 17mIberia

Sat 30/815:10LHR - MFE

1 stop13h 48mIberia

Deal found 27/7£557

Mon 4/812:31MFE - LCY

2 stops22h 49mKLM

Mon 11/809:20LCY - MFE

2 stops20h 39mKLM

Deal found 27/7£773

Mon 4/814:14MFE - LCY

2 stops20h 11mLufthansa

Wed 13/819:10LCY - MFE

2 stops52h 54mLufthansa

Deal found 27/7£788

Thu 11/912:10MFE - LCY

3 stops18h 20mMultiple Airlines

Thu 18/908:45LCY - MFE

2 stops30h 10mMultiple Airlines

Deal found 28/7£795

Thu 11/914:14MFE - LGW

2 stops26h 51mMultiple Airlines

Thu 18/910:00LGW - MFE

3 stops32h 34mMultiple Airlines

Deal found 28/7£849

Fri 14/1112:57MFE - LHR

3 stops41h 53mMultiple Airlines

Sun 23/1114:50LHR - MFE

2 stops26h 49mMultiple Airlines

Deal found 29/7£863

Best flights from McAllen to London
Discover carefully curated flight deals from McAllen to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Thu 11/912:30MFE - LHR

2 stops19h 20mDelta

Thu 18/906:30LHR - MFE

2 stops23h 28mDelta

Deal found 28/7£455

Thu 11/918:05MFE - LHR

1 stop12h 40mBritish Airways

Thu 18/907:50LHR - MFE

2 stops17h 50mBritish Airways

Deal found 28/7£505

Fri 14/1109:50MFE - LHR

1 stop18h 25mUnited Airlines

Tue 18/1114:30LHR - MFE

2 stops37h 29mUnited Airlines

Deal found 28/7£509

Thu 21/809:33MFE - LHR

1 stop19h 17mIberia

Sat 30/815:10LHR - MFE

1 stop13h 48mIberia

Deal found 27/7£557

Tue 26/814:05MFE - LCY

2 stops20h 20mLufthansa

Wed 3/908:45LCY - MFE

2 stops19h 02mLufthansa

Deal found 30/7£666

Thu 11/912:10MFE - LCY

3 stops18h 20mMultiple Airlines

Thu 18/908:45LCY - MFE

2 stops30h 10mMultiple Airlines

Deal found 28/7£795

Thu 11/912:30MFE - LCY

2 stops22h 10mDelta

Thu 18/907:45LCY - MFE

2 stops22h 13mDelta

Deal found 28/7£474

Sat 22/1119:21MFE - LCY

2 stops33h 29mBritish Airways

Sun 30/1114:45LCY - MFE

2 stops38h 18mBritish Airways

Deal found 30/7£635

Thu 11/914:14MFE - LGW

2 stops26h 51mMultiple Airlines

Thu 18/910:00LGW - MFE

3 stops32h 34mMultiple Airlines

Deal found 28/7£849

Fri 14/1112:57MFE - LHR

3 stops41h 53mMultiple Airlines

Sun 23/1114:50LHR - MFE

2 stops26h 49mMultiple Airlines

Deal found 29/7£863

Last-minute flights from McAllen to London
Discover last-minute flight deals from McAllen to London. Data last updated 30 July 2025 and is based on user searches.

Sat 2/807:00MFE - LHR

2 stops46h 50mAir Canada

Wed 13/809:30LHR - MFE

2 stops36h 31mAir Canada

Deal found 28/7£1,046

Sun 3/817:14MFE - LHR

2 stops38h 36mDelta

Wed 13/811:45LHR - MFE

2 stops42h 14mDelta

Deal found 27/7£422

Sun 3/818:21MFE - LHR

1 stop14h 04mIberia

Wed 13/808:20LHR - MFE

1 stop20h 38mIberia

Deal found 28/7£675

Mon 4/812:31MFE - LHR

2 stops18h 59mKLM

Wed 13/820:55LHR - MFE

2 stops33h 04mKLM

Deal found 28/7£397

Mon 4/820:06MFE - LHR

1 stop12h 19mBritish Airways

Wed 13/819:30LHR - MFE

2 stops33h 12mBritish Airways

Deal found 27/7£497

Mon 4/820:06MFE - LHR

1 stop12h 19mAmerican Airlines

Mon 11/816:25LHR - MFE

1 stop22h 28mAmerican Airlines

Deal found 27/7£556

Mon 4/818:34MFE - LGW

1 stop33h 26mMultiple Airlines

Wed 13/809:40LGW - MFE

2 stops32h 54mMultiple Airlines

Deal found 29/7£1,050

Mon 4/812:12MFE - LCY

2 stops22h 13mLufthansa

Wed 13/819:10LCY - MFE

2 stops32h 14mLufthansa

Deal found 28/7£1,069

Mon 4/805:15MFE - LHR

2 stops19h 20mMultiple Airlines

Wed 13/821:05LHR - MFE

3 stops30h 15mMultiple Airlines

Deal found 27/7£1,258

Mon 4/812:40MFE - LCY

2 stops25h 15mBritish Airways

Wed 13/819:05LCY - MFE

2 stops33h 37mBritish Airways

Deal found 29/7£1,897

Mon 4/812:40MFE - LGW

2 stops26h 20mBritish Airways

Wed 13/811:35LGW - MFE

2 stops37h 57mBritish Airways

Deal found 29/7£1,945

Mon 4/812:31MFE - LCY

2 stops22h 49mKLM

Mon 11/809:20LCY - MFE

2 stops20h 39mKLM

Deal found 27/7£773

Fly from

Fly to

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 11/9

12:30-13:50

2 stops19h 20m

London Heathrow

Thu 18/9

06:30-23:58

2 stops23h 28m

£455

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 11/9

12:30-16:40

2 stops22h 10m

London City

Thu 18/9

07:45-23:58

2 stops22h 13m

£474

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 11/9

18:05-12:45

1 stop12h 40m

London Heathrow

Thu 18/9

07:50-19:40

2 stops17h 50m

£505

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 14/11

09:50-10:15

1 stop18h 25m

London Heathrow

Tue 18/11

14:30-21:59

2 stops37h 29m

£509

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 21/8

09:33-10:50

1 stop19h 17m

London Heathrow

Sat 30/8

15:10-22:58

1 stop13h 48m

£557

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Sat 22/11

19:21-10:50

2 stops33h 29m

London City

Sun 30/11

14:45-23:03

2 stops38h 18m

£635

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Tue 26/8

14:05-16:25

2 stops20h 20m

London City

Wed 3/9

08:45-21:47

2 stops19h 02m

£666

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Thu 11/9

12:10-12:30

3 stops18h 20m

London City

Thu 18/9

08:45-08:55

2 stops30h 10m

£795

McAllenLondon

MFE - LGW

MFELGW

McAllen Miller Intl

Thu 11/9

14:14-23:05

2 stops26h 51m

London Gatwick

Thu 18/9

10:00-12:34

3 stops32h 34m

£849

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 14/11

12:57-12:50

3 stops41h 53m

London Heathrow

Sun 23/11

14:50-11:39

2 stops26h 49m

£863

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 12 results

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 return 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, January is the cheapest month in which you can book a flight from McAllen to London (average of £112). Flying from McAllen to London in August is currently the most expensive (average of £164). 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 for a return flight from McAllen to London?

What’s the top stopover airport for flights from McAllen to London?

Houston (IAH) – chosen by Cheapflights users on 50% of one-stop itineraries from McAllen to London on Cheapflights.

What’s the cheapest stopover airport for flights from McAllen to London?

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £681.

What’s the fastest stopover option from McAllen to London?

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 10h 10m.

Which airport typically offers the quickest stopover for flights from McAllen to London?

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Delta, United Airlines, andAir Canada from McAllen to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,980 reviews

Check prices

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

7,980 reviews

Delta

8.0

Very Good

7,980 reviews

Check prices

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

8,899 reviews

Delta

8.0

Very Good

7,980 reviews

Check prices

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

9,822 reviews

Delta

8.0

Very Good

7,980 reviews

Check prices

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!

Iberia

7.0

Good

2,859 reviews

Delta

8.0

Very Good

7,980 reviews

Check prices

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!

Lufthansa

6.8

Okay

7,265 reviews

Delta

8.0

Very Good

7,980 reviews

Check prices

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

What airport do you fly from for flights from McAllen to London?
McAllen Miller Intl (MFE), located 2.0 mi from the city center, is the airport you fly out of when you book flights from McAllen to London. 0 airlines have flights from Miller Intl to London on a regular basis. Booking flights from McAllen Miller Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.
What are the cheapest airlines flying from McAllen to London round-trip?
According to our current data, Delta (£455), British Airways (£505), and United Airlines (£509) offers the cheapest pricing from McAllen to London. You may be able to fly from McAllen to London for 28% less than the average price by searching for these airlines.
What are the most popular routes from McAllen to London?
When deciding which route to take from McAllen to London consider McAllen Miller Intl - London Heathrow, McAllen Miller Intl - London Gatwick or McAllen Miller Intl - London City as they are the most popular.
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 holiday 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, January is the cheapest month in which you can book a flight from McAllen to London (average of £112). Flying from McAllen to London in August is currently the most expensive (average of £164). 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

Milton Keynes

Croydon

Hounslow

Deal

Gatwick

Slough

Luton

Wembley

Crawley

Ilford

Hayes

Eastbourne

Southend-on-Sea

Ipswich

Watford

Folkestone

Winchester

Maidstone

Chichester

Guildford

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How does Cheapflights help users find flights from McAllen to London?

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Why should you use Cheapflights to find cheap flight tickets from McAllen to London?

Cheapflights helps you find that perfect flight to London from McAllen by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Need flexible booking options for your flight to London from McAllen? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from McAllen to London from £351

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from McAllen to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from McAllen to London

Cheapest flights from McAllen to LondonExplore 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 30 July 2025.

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 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from McAllen to London that are best for you.

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.

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?

How much does it cost for a return flight from McAllen to London?

What’s the top stopover airport for flights from McAllen to London?

Share of one-stop return flights from McAllen to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from McAllen to London?

Average return fare for one-stop flights from McAllen to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from McAllen to London?

Shortest average travel time for one-stop one-way flights from McAllen to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from McAllen to London?

Average stopover duration for one-stop one-way flights from McAllen to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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 30 July 2025.

Check out reviews from past customers who have flown with Delta, United Airlines, andAir Canada from McAllen to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from McAllen to London round-trip?

What are the most popular routes from McAllen to London?

Can I find deals for flights from McAllen to London that include hotel bookings?

How can I find direct flights from McAllen to London?

Can I find deals for business class flights from McAllen to London?

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

Travelling to a place near London?

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Alternative routes for McAllen to London

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from McAllen to London?

Why should you use Cheapflights to find cheap flight tickets from McAllen to London?

Can Cheapflights find flights from McAllen to London with no change fees?

Can Cheapflights notify me if prices for flights from McAllen to London become cheaper?

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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 30 July 2025.