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Cheap flights from London Heathrow Airport to Mendoza from £1,130

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MDZ
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 February 2026.

Thu 19/317:25
LHR
-
MDZ
3 stops28h 43m
LATAM Airlines
Thu 9/413:00
MDZ
-
LHR
2 stops23h 20m
LATAM Airlines
Deal found 10/2£1,130
Fri 13/320:15
LHR
-
MDZ
1 stop18h 40m
LATAM Airlines
Mon 16/310:20
MDZ
-
LHR
2 stops24h 45m
LATAM Airlines
Deal found 11/2£1,143
Thu 19/317:25
LHR
-
MDZ
2 stops28h 43m
Multiple Airlines
Thu 9/411:51
MDZ
-
LHR
3 stops25h 24m
Multiple Airlines
Deal found 9/2£1,199

Find 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 12 February 2026.

Round-trip from

£1,130

Popular in

July

Cheapest in

August

Average price

£1,163
LATAM Airlines
  • LATAM Airlines
  • 19/3-9/4
  • 5 total stops
  • 52h 03m total
  • London to Mendoza
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 12 February 2026.
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 19/3

17:25-19:08

3 stops28h 43m

Mendoza El Plumerillo

Thu 9/4

13:00-16:20

2 stops23h 20m

£1,130

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Fri 13/3

20:15-18:58

2 stops25h 43m

Mendoza El Plumerillo

Mon 16/3

10:20-14:05

2 stops24h 45m

£1,143

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Thu 19/3

17:25-19:08

2 stops28h 43m

Mendoza El Plumerillo

Thu 9/4

11:51-17:15

3 stops25h 24m

£1,199

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 12 February 2026.
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
1,921 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,921 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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?

    LATAM Airlines can get you from London Heathrow Airport to Mendoza in just under 28h 43m. Your travel time can differ by up to . The distance from London Heathrow Airport to Mendoza is about 7136 mi.

  • 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 £879 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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£879Average£1,071FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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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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