$547 Cheap Flights from Buenos Aires (EZE) to London (LHR)

Popular airlines from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR)

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Cheap Flights from Buenos Aires to London (EZE-LHR)

Prices were available within the past 7 days and start at $547 for one-way flights and $976 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ethiopian Airlines
Air Canada
Aeromexico
Air Canada
Air Canada
avianca
Air Canada
United
American Airlines
LATAM Airlines Group

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Buenos Aires (EZE) to London (LHR)
Origin airport
Ministro Pistarini Intl.
Destination airport
Heathrow
Airlines serving
Aeromexico, Air Canada, Air France, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Iberia, KLM, LATAM Airlines Group, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, avianca
Roundtrip price
$975
Distance
6919 mi
Average flight time
16 hours 40 mins

Buenos Aires to London Flights

The cheapest times to fly from Buenos Aires to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buenos Aires to London are during the month of March. You can find some of the cheapest flights from Buenos Aires to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buenos Aires to London

Sunday is one of the best days to book for cheap flights from Buenos Aires to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buenos Aires to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buenos Aires to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $547 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buenos Aires to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buenos Aires to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR) cost?
Cheap round-trip fares from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR) start from $1848. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a British Airways flight leaving EZE on August 7 2025 and touching down at LHR. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from EZE to LHR?
The cheapest flights from EZE to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from EZE to LHR?
At the moment, the cheapest carrier offering one-way flights from EZE to LHR is British Airways. You can book a seat on this route from $1104. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from EZE on September 26 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR)?
There are no daily direct flights from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from EZE to LHR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR)?
To avoid possible delays on the Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR) last-minute?
Last-minute fares from EZE to LHR are generally more expensive. To lock in the best prices, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book an EZE to LHR flight and hotel package?
You can save money by booking an EZE to LHR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Ministro Pistarini Intl. Airport (EZE) to Heathrow Airport (LHR)?
In most cases, you can reschedule or cancel your EZE to LHR flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, go to our Customer Service portal.

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