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Cheap flights from London Heathrow Airport to Mendoza from £441

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MDZ
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Heathrow to Mendoza

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Mendoza (MDZ). 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 2 October 2025.

Round-trip from

£843

One-way from

£441

Popular in

July

Cheapest in

August

Average price

£995
4/11-18/11
  • 4/11-18/11
  • 4 total stops
  • 66h 35m total
  • London to Mendoza
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13/3
  • 13/3
  • 3 total stops
  • 47h 05m total
  • London to Mendoza
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£44 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Heathrow to Mendoza

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Mendoza
Explore the most affordable flight options available from Heathrow to Mendoza. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Tue 4/1112:05LHR - MDZ
2 stops29h 45mMultiple Airlines
Tue 18/1115:40MDZ - LHR
2 stops36h 50mMultiple Airlines
Deal found 1/10£843
Sat 15/1112:05LHR - MDZ
2 stops36h 30mMultiple Airlines
Sat 22/1110:10MDZ - LHR
2 stops45h 05mMultiple Airlines
Deal found 1/10£854
Sat 15/1119:40LHR - MDZ
2 stops40h 40mLATAM Airlines
Sat 22/1112:55MDZ - LHR
1 stop22h 10mLATAM Airlines
Deal found 1/10£883
Thu 27/1110:05LHR - MDZ
2 stops38h 30mAmerican Airlines
Mon 1/1218:55MDZ - LHR
2 stops34h 40mAmerican Airlines
Deal found 29/9£987
Sat 1/1111:15LHR - MDZ
2 stops37h 20mAmerican Airlines
Fri 21/1122:20MDZ - LHR
2 stops56h 40mAmerican Airlines
Deal found 1/10£1,001
Sun 2/1121:40LHR - MDZ
2 stops25h 30mMultiple Airlines
Thu 20/1112:55MDZ - LHR
1 stop22h 10mMultiple Airlines
Deal found 1/10£1,042
Fri 5/1219:40LHR - MDZ
2 stops40h 40mLATAM Airlines
Mon 19/107:50MDZ - LHR
2 stops29h 45mLATAM Airlines
Deal found 30/9£1,051
Tue 4/1121:40LHR - MDZ
2 stops45h 35mMultiple Airlines
Thu 20/1112:55MDZ - LHR
1 stop22h 10mMultiple Airlines
Deal found 1/10£1,053
Mon 3/1121:40LHR - MDZ
2 stops44h 10mMultiple Airlines
Thu 20/1112:55MDZ - LHR
1 stop22h 10mMultiple Airlines
Deal found 1/10£1,056
Wed 5/1121:40LHR - MDZ
2 stops44h 10mMultiple Airlines
Thu 20/1112:55MDZ - LHR
1 stop22h 10mMultiple Airlines
Deal found 1/10£1,061
Mon 3/1120:15LHR - MDZ
2 stops40h 05mLATAM Airlines
Thu 20/1111:50MDZ - LHR
2 stops23h 15mLATAM Airlines
Deal found 1/10£1,075

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Mendoza 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 858,174 searches. Data last updated 2 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Mendoza that are best for you.

Fly from

Heathrow

Fly to

Mendoza

Route

Depart

Return

Price

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Thu 27/11

10:35-21:35

2 stops38h 00m

Mendoza El Plumerillo

Mon 1/12

18:55-10:00

2 stops36h 05m

£979

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Sun 7/12

11:25-12:00

2 stops27h 35m

Mendoza El Plumerillo

Sat 17/1

07:50-18:50

2 stops32h 00m

£1,134

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Sun 7/12

11:25-12:00

2 stops27h 35m

Mendoza El Plumerillo

Thu 22/1

13:00-22:40

2 stops30h 40m

£1,192

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Thu 27/11

18:45-19:10

2 stops27h 25m

Mendoza El Plumerillo

Mon 1/12

13:00-14:05

1 stop22h 05m

£1,196

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Sat 6/12

19:40-09:20

2 stops40h 40m

Mendoza El Plumerillo

Wed 21/1

19:50-14:05

2 stops39h 15m

£1,232

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Wed 10/12

15:45-12:00

2 stops23h 15m

Mendoza El Plumerillo

Sat 17/1

07:50-14:20

2 stops27h 30m

£1,238

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Fri 13/3

17:25-13:30

3 stops47h 05m

£441

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Wed 31/12

21:40-20:10

2 stops25h 30m

£512

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Tue 30/12

08:15-20:30

3 stops39h 15m

£564

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Sat 3/1

19:40-09:20

2 stops40h 40m

£589

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 15 results
1
2

Best time to book a flight from Heathrow to Mendoza

Have a flexible travel schedule? Discover the best time to fly to Mendoza from Heathrow 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.

Reviews of airlines servicing Mendoza

Get insights into the airlines that provide service to Mendoza. 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 Mendoza. Reviews last updated 2 October 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Mendoza, such as LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,858 reviews
Check prices

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.
LATAM Airlines
7.5
Good
1,858 reviews
LATAM Airlines
7.5
Good
1,858 reviews
Check prices

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Mendoza. 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 into for flights to Mendoza from London Heathrow?

    Mendoza El Plumerillo (MDZ), located 5.1 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Mendoza. 1 airline have flights to El Plumerillo from London Heathrow on a regular basis. Booking flights from London Heathrow to Mendoza El Plumerillo should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Mendoza?

    American Airlines and LATAM Airlines can get you from London Heathrow Airport to Mendoza in just under 27h 35m. Your travel time can differ by up to 10h 25m. The distance from London Heathrow Airport to Mendoza is about 7136 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London Heathrow Airport to Mendoza round-trip?

    Our cheapest airline available from London Heathrow Airport to Mendoza is LATAM Airlines. Our recent data shows that you can find tickets from as low as £875 on this airline. This flight start at 20% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to Mendoza that include hotel bookings?

    Yes. In addition to deals on Heathrow to Mendoza flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Mendoza?

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

  • Can I find deals for business class flights from Heathrow to Mendoza?

    Yes. Cheapflights offers flight deals from Heathrow to Mendoza by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Heathrow to Mendoza

Discover the top airline that operate flights from Heathrow to Mendoza. 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 858,174 searches. Data last updated 2 October 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£875Average£1,098FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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 Heathrow to Mendoza?

Cheapflights makes it easy to find Heathrow to Mendoza flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Mendoza?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Mendoza from Heathrow.

Can Cheapflights find flights from Heathrow to Mendoza with no change fees?

Yes, we can. To see specific flights from Heathrow to Mendoza with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Mendoza become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Mendoza from Heathrow today and book when prices fit your budget.

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