Cheap flights from London to Buenos Aires

London
LON
Buenos Aires
BUE

Flight deals from London to Buenos Aires

Below you can see the best deals on flights London — Buenos Aires for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 3 September, from AED 1,963.

Top 10 cheap flights from London to Buenos Aires

When is the best time to book a flight from London to Buenos Aires?

The price of a flight from London to Buenos Aires changes depending on how far ahead you book. For the best chance of a lower fare, book around 25 days before departure, when the average ticket costs about AED 4,667. Fares also tend to climb as the departure date gets closer.

About the London — Buenos Aires flight

Looking for cheap flights from London to Buenos Aires? Compare fares from different airlines, check the flight schedule and travel time — and book your London — Buenos Aires ticket online at the best price.

The route has direct flights — around 7 flights per week, flights are operated by British Airways, a nonstop flight takes about 14 h 23 min, the distance between the cities is around 11,102 km.

Planning your trip? You may find our Buenos Aires travel guide, how to get from the airport into town and Buenos Aires weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from AED 1,926Min. price
FebruaryCheapest
AugustPeak season
YesDirect flights
11,102 kmDistance
14 h 23 minTravel time
1Airlines
7 / wkFlights

Flight schedule from London to Buenos Aires

The table shows direct flights from London to Buenos Aires on the selected date. The flight takes approximately 14 h 23 min. Regular flights are operated by British Airways. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport airports, arrivals at Jorge Newbery Airport and Ministro Pistarini Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Sat, 15 August
Any time
Last update: 13 Aug 2026

Flight ticket prices by day: London — Buenos Aires

Below is a calendar of the lowest flight ticket prices for London — Buenos Aires by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,926 in February, and the most expensive are around AED 2,347 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from London to Buenos Aires by month. Tickets are usually cheapest in March (around AED 2,432) and priciest in July (about AED 3,301) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
JanAED 3,127highMayAED 2,502lowSepAED 2,502low
FebAED 2,780mediumJunAED 2,780mediumOctAED 2,849medium
MarAED 2,432lowJulAED 3,301highNovAED 3,058high
AprAED 2,432lowAugAED 3,231highDecAED 3,197high

Some values are estimated based on seasonality.

When to fly

Weather in Buenos Aires: it is warmest in January (up to 29 °C on average) and coolest in July (around 14 °C). The driest month is May.

Tickets are usually cheapest in February and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Buenos Aires

Dry and wet days · Buenos Aires

Wind speed and direction · Buenos Aires

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How to get the best deal on a London — Buenos Aires ticket

  • Book ahead: fares for London — Buenos Aires are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • London is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Buenos Aires is usually February — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the London — Buenos Aires route are operated by 1 airline; British Airways runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • British AirwaysBA
    2x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight LHR → EZE2x/week
    100.0%Open →

Cities and airports on the London — Buenos Aires route

Flights London — Buenos Aires depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Jorge Newbery Airport and Ministro Pistarini Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Arrival

Buenos Aires

BUE
Argentina
About the cityHow to get thereWeatherAll about the country Argentina
Departure airports
Arrival airports

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Frequently asked questions about the London — Buenos Aires flight

How long is the flight from London to Buenos Aires?

A nonstop London — Buenos Aires flight takes about 14 h 23 min — the distance between the cities is around 11,102 km.

How far is it from London to Buenos Aires?

The distance from London to Buenos Aires is about 11,102 km, which a nonstop flight covers in around 14 h 23 min.

Are there direct flights from London to Buenos Aires?

Yes, there are nonstop flights London — Buenos Aires — around 7 flights per week.

Which airlines fly from London to Buenos Aires?

Airlines operating London — Buenos Aires include British Airways. See the full list with schedules in the "Airlines" section on this page.

Which airports do London — Buenos Aires flights use?

Flights from London depart from Heathrow Airport, London Gatwick Airport, Stansted Airport, and arrive at Jorge Newbery Airport, Ministro Pistarini Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from London to Buenos Aires?

The price of a London — Buenos Aires ticket depends on your travel date, season and demand: it is usually cheapest to fly in February, and most expensive in August. Tickets typically cost between AED 1,926 and AED 2,347. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights London — Buenos Aires?

Flights London — Buenos Aires are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is February. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from London to Buenos Aires?

To catch a low fare London — Buenos Aires, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually February.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from London

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Where else you can fly from Buenos Aires

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