How long is the flight from McAllen to London?

Airlines like United Airlines, Delta, and American Airlines fly from McAllen to London in about 18h 30m. The time it takes to get you to your destination can typically vary by up to 6h 10m. The distance between McAllen and London is about 5135 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from McAllen to London one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £303. Lufthansa flights start at £425 while deals on Delta start at £430 one-way.

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 City or McAllen Miller Intl - London Gatwick as they are the most popular.

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.

£303+ Flights from McAllen to London

Find flight deals from McAllen to London

Enter your travel dates to find the best prices.

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 31 October 2025.

Wed 3/1207:00MFE - LHR

1 stop18h 30mUnited Airlines

Tue 9/1214:30LHR - MFE

2 stops37h 29mUnited Airlines

Deal found 30/10£475

Wed 3/1214:42MFE - LHR

1 stop13h 18mIberia

Tue 9/1210:05LHR - MFE

1 stop19h 09mIberia

Deal found 30/10£493

Sun 7/1211:53MFE - LHR

1 stop14h 42mBritish Airways

Fri 19/1208:20LHR - MFE

1 stop20h 39mBritish Airways

Deal found 29/10£504

Mon 3/1107:00MFE - LHR

1 stop21h 15mLufthansa

Tue 18/1110:00LHR - MFE

1 stop14h 07mLufthansa

Deal found 29/10£509

Sat 6/1217:09MFE - LHR

1 stop31h 41mBritish Airways

Fri 19/1208:20LHR - MFE

1 stop20h 39mBritish Airways

Deal found 29/10£514

Wed 3/1207:00MFE - LCY

2 stops27h 40mMultiple Airlines

Tue 9/1209:50LCY - MFE

2 stops18h 09mMultiple Airlines

Deal found 30/10£549

Mon 3/1107:05MFE - LHR

2 stops30h 50mMultiple Airlines

Tue 18/1110:05LHR - MFE

2 stops43h 14mMultiple Airlines

Deal found 29/10£614

Mon 3/1107:05MFE - LHR

2 stops23h 15mBritish Airways

Tue 18/1108:20LHR - MFE

1 stop14h 02mBritish Airways

Deal found 29/10£623

Sat 6/1212:10MFE - LHR

2 stops17h 05mUnited Airlines

Fri 19/1216:20LHR - MFE

2 stops22h 39mUnited Airlines

Deal found 30/10£626

Sun 7/1207:00MFE - LHR

1 stop21h 15mUnited Airlines

Fri 19/1216:20LHR - MFE

2 stops22h 39mUnited Airlines

Deal found 29/10£627

Fri 5/1209:50MFE - LHR

1 stop15h 40mUnited Airlines

Fri 19/1216:20LHR - MFE

2 stops22h 39mUnited Airlines

Deal found 29/10£645

Sat 6/1209:50MFE - LCY

3 stops20h 55mMultiple Airlines

Fri 19/1209:55LCY - MFE

2 stops19h 30mMultiple Airlines

Deal found 29/10£1,179

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 31 October 2025.

Wed 3/1207:00MFE - LHR

1 stop18h 30mUnited Airlines

Tue 9/1214:30LHR - MFE

2 stops37h 29mUnited Airlines

Deal found 30/10£475

Sat 7/205:25MFE - LHR

2 stops24h 40mDelta

Sat 14/208:40LHR - MFE

2 stops33h 51mDelta

Deal found 30/10£489

Wed 3/1214:42MFE - LHR

1 stop13h 18mIberia

Tue 9/1210:05LHR - MFE

1 stop19h 09mIberia

Deal found 30/10£493

Sun 7/1211:53MFE - LHR

1 stop14h 42mBritish Airways

Fri 19/1208:20LHR - MFE

1 stop20h 39mBritish Airways

Deal found 29/10£504

Fri 16/109:30MFE - LCY

3 stops20h 10mMultiple Airlines

Thu 22/109:40LCY - MFE

2 stops18h 17mMultiple Airlines

Deal found 29/10£529

Fri 27/305:00MFE - LGW

2 stops21h 30mAmerican Airlines

Tue 31/314:30LGW - MFE

2 stops33h 55mAmerican Airlines

Deal found 28/10£735

Thu 19/212:10MFE - LHR

1 stop13h 20mUnited Airlines

Sat 28/209:30LHR - MFE

2 stops18h 12mUnited Airlines

Deal found 30/10£484

Thu 8/113:00MFE - LHR

2 stops18h 50mDelta

Sat 17/106:30LHR - MFE

2 stops40h 43mDelta

Deal found 30/10£489

Sat 6/1217:09MFE - LHR

1 stop31h 41mBritish Airways

Fri 19/1208:20LHR - MFE

1 stop20h 39mBritish Airways

Deal found 29/10£514

Thu 8/117:25MFE - LHR

2 stops31h 45mUnited Airlines

Sat 17/112:05LHR - MFE

1 stop15h 52mUnited Airlines

Deal found 30/10£499

Wed 3/1207:00MFE - LCY

2 stops27h 40mMultiple Airlines

Tue 9/1209:50LCY - MFE

2 stops18h 09mMultiple Airlines

Deal found 30/10£549

Fri 16/112:05MFE - LHR

2 stops16h 45mUnited Airlines

Thu 22/108:30LHR - MFE

2 stops19h 27mUnited Airlines

Deal found 29/10£507

Sat 6/1209:50MFE - LCY

3 stops20h 55mMultiple Airlines

Fri 19/1209:55LCY - MFE

2 stops19h 30mMultiple Airlines

Deal found 29/10£1,179

Sun 7/1209:50MFE - LCY

3 stops21h 05mMultiple Airlines

Fri 19/1209:55LCY - MFE

2 stops19h 30mMultiple Airlines

Deal found 29/10£1,214

Fri 5/1207:00MFE - LCY

3 stops22h 40mMultiple Airlines

Fri 19/1209:55LCY - MFE

2 stops19h 30mMultiple Airlines

Deal found 29/10£1,262

Sat 3/111:27MFE - LGW

2 stops25h 28mIberia

Fri 16/111:45LGW - MFE

2 stops29h 25mIberia

Deal found 28/10£2,555

Last-minute flights from McAllen to London
Discover last-minute flight deals from McAllen to London. Data last updated 31 October 2025 and is based on user searches.

Mon 3/1107:00MFE - LHR

1 stop21h 15mLufthansa

Tue 18/1110:00LHR - MFE

1 stop14h 07mLufthansa

Deal found 29/10£509

Mon 3/1107:05MFE - LHR

2 stops30h 50mMultiple Airlines

Tue 18/1110:05LHR - MFE

2 stops43h 14mMultiple Airlines

Deal found 29/10£614

Mon 3/1107:05MFE - LHR

2 stops23h 15mBritish Airways

Tue 18/1108:20LHR - MFE

1 stop14h 02mBritish Airways

Deal found 29/10£623

Wed 12/1111:56MFE - LHR

1 stop14h 39mMultiple Airlines

Sat 15/1118:45LHR - MFE

2 stops32h 45mMultiple Airlines

Deal found 29/10£1,036

Wed 12/1119:22MFE - LHR

2 stops31h 08mAir Canada

Sat 15/1113:00LHR - MFE

2 stops32h 57mAir Canada

Deal found 29/10£1,330

Wed 12/1112:15MFE - LCY

3 stops18h 40mMultiple Airlines

Sat 15/1112:10LCY - MFE

3 stops39h 49mMultiple Airlines

Deal found 29/10£1,387

One-way flights from McAllen to London
Search for one-way flight options from McAllen to London. Find affordable one-way fares based on user searches. Data last updated 31 October 2025.

Mon 2/207:00MFE - LHR

3 stops18h 10mUnited Airlines

Deal found 29/10£303

Tue 6/107:00MFE - LHR

2 stops21h 50mUnited Airlines

Deal found 29/10£307

Sat 24/117:25MFE - LHR

1 stop32h 05mUnited Airlines

Deal found 29/10£312

Mon 29/1219:00MFE - LHR

2 stops29h 30mAir Canada

Deal found 29/10£323

Thu 15/107:00MFE - LHR

1 stop21h 15mUnited Airlines

Deal found 29/10£336

Sun 14/1221:25MFE - LGW

3 stops30h 35mMultiple Airlines

Deal found 30/10£368

Wed 31/1214:05MFE - LCY

2 stops21h 35mLufthansa

Deal found 29/10£386

Thu 25/1217:49MFE - LHR

3 stops45h 46mMultiple Airlines

Deal found 29/10£397

Thu 25/1217:49MFE - LGW

3 stops58h 01mMultiple Airlines

Deal found 29/10£401

Fri 13/305:15MFE - LHR

1 stop21h 15mUnited Airlines

Deal found 29/10£416

Fri 13/307:15MFE - LHR

2 stops23h 05mAir Canada

Deal found 30/10£420

Sun 14/1214:10MFE - LHR

1 stop14h 05mLufthansa

Deal found 30/10£423

Cheap flight deals from McAllen to London

Round-trip from	£475
One-way from	£303
Popular in	May
Cheapest in	November
Average price	£605

United Airlines
3/12-9/12
3 total stops
55h 59m total
McAllen to London

Search Deals

United Airlines
2/2
3 total stops
18h 10m total
McAllen to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£114 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 3/12

07:00-07:30

1 stop18h 30m

London Heathrow

Tue 9/12

14:30-21:59

2 stops37h 29m

£475

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 19/2

12:10-07:30

1 stop13h 20m

London Heathrow

Sat 28/2

09:30-21:42

2 stops18h 12m

£484

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 7/2

05:25-12:05

2 stops24h 40m

London Heathrow

Sat 14/2

08:40-12:31

2 stops33h 51m

£489

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 8/1

13:00-13:50

2 stops18h 50m

London Heathrow

Sat 17/1

06:30-17:13

2 stops40h 43m

£489

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Wed 3/12

14:42-10:00

1 stop13h 18m

London Heathrow

Tue 9/12

10:05-23:14

1 stop19h 09m

£493

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Thu 8/1

17:25-07:10

2 stops31h 45m

London Heathrow

Sat 17/1

12:05-21:57

1 stop15h 52m

£499

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sun 7/12

11:53-08:35

1 stop14h 42m

London Heathrow

Fri 19/12

08:20-22:59

1 stop20h 39m

£504

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Fri 16/1

12:05-10:50

2 stops16h 45m

London Heathrow

Thu 22/1

08:30-21:57

2 stops19h 27m

£507

McAllenLondon

MFE - LHR

MFELHR

McAllen Miller Intl

Sat 6/12

17:09-06:50

1 stop31h 41m

London Heathrow

Fri 19/12

08:20-22:59

1 stop20h 39m

£514

McAllenLondon

MFE - LCY

MFELCY

McAllen Miller Intl

Fri 16/1

09:30-11:40

3 stops20h 10m

London City

Thu 22/1

09:40-21:57

2 stops18h 17m

£529

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 46 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, November is the cheapest month in which you can book a flight from McAllen to London (average of £468). Flying from McAllen to London in June is currently the most expensive (average of £1,083). 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.

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.
How long is the flight from McAllen to London?
Airlines like United Airlines, Delta, and American Airlines fly from McAllen to London in about 18h 30m. The time it takes to get you to your destination can typically vary by up to 6h 10m. The distance between McAllen and London is about 5135 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from McAllen to London one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £303. Lufthansa flights start at £425 while deals on Delta start at £430 one-way.
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 City or McAllen Miller Intl - London Gatwick 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, November is the cheapest month in which you can book a flight from McAllen to London (average of £468). Flying from McAllen to London in June is currently the most expensive (average of £1,083). 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

Slough

Gatwick

Hounslow

Luton

Ilford

Wembley

Deal

Hayes

Colchester

Watford

Winchester

Chichester

Crawley

Romford

Brentford

Ipswich

Bedford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from McAllen today with Cheapflights!

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!

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

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.

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

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from McAllen to London from £303

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.

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 31 October 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 31 October 2025.

Cheap flight deals from McAllen to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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?

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?

How long is the flight from McAllen to London?

What are the cheapest airlines to fly from McAllen to London one-way?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for McAllen to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 31 October 2025.