Cheap flights from Buenos Aires to London

Buenos Aires
BUE
London
LON

Flight deals from Buenos Aires to London

Below you can see the best deals on flights Buenos Aires — London 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 21 September, from $594.

Top 10 cheap flights from Buenos Aires to London

UA
UA
UA
$ 630

Buenos Aires — London

21:00—06:55
4 Sep 2026
20 h 43 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—06:45
4 Sep 2026
21 h 20 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—08:30
4 Sep 2026
21 h 20 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—10:40
4 Sep 2026
20 h 43 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—05:55
3 Sep 2026
21 h 13 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—05:55
3 Sep 2026
21 h 21 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—06:45
3 Sep 2026
21 h 20 m
2 stops
UA
UA
UA
$ 630

Buenos Aires — London

21:00—09:00
3 Sep 2026
21 h 20 m
2 stops
UA
UA
$ 647

Buenos Aires — London

21:00—07:55
4 Sep 2026
19 h 30 m
1 stop
UA
UA
$ 647

Buenos Aires — London

21:00—11:35
4 Sep 2026
19 h 30 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

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

The price of a flight from Buenos Aires to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $577. Fares also tend to climb as the departure date gets closer.

About the Buenos Aires — London flight

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

The route has direct flights — around 4 flights per week, flights are operated by British Airways, a nonstop flight takes about 15 h 25 min, the distance between the cities is around 11,102 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London 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 $561Min. price
DecemberCheapest
AprilPeak season
YesDirect flights
11,102 kmDistance
15 h 25 minTravel time
1Airlines
4 / wkFlights

Flight schedule from Buenos Aires to London

The table shows direct flights from Buenos Aires to London on the selected date. The flight takes approximately 15 h 25 min. Regular flights are operated by British Airways. Departures from Jorge Newbery Airport and Ministro Pistarini Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted 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.

Mon, 10 August
Any time
Last update: 08 Aug 2026

Flight ticket prices by day: Buenos Aires — London

Below is a calendar of the lowest flight ticket prices for Buenos Aires — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $561 in December, and the most expensive are around $759 in April. 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 Buenos Aires to London by month. Tickets are usually cheapest in February (around $490) and priciest in July (about $662) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$564mediumMay$552mediumSep$552medium
Feb$490lowJun$564mediumOct$503low
Mar$503lowJul$662highNov$490low
Apr$539mediumAug$650highDec$637high

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

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

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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

  • Book ahead: fares for Buenos Aires — London 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.
  • Buenos Aires is served by more than one airport — compare fares and travel time to each before you book.
  • Flights Buenos Aires — London operate on Mondays, Tuesdays, Wednesdays and Fridays — keep that in mind when picking your travel dates.
  • The cheapest month to fly to London is usually December — 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 Buenos Aires — London 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
    1x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight EZE → LHR1x/week
      Duration
      15h 45m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Buenos Aires — London route

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

Departure

Buenos Aires

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

London

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

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Frequently asked questions about the Buenos Aires — London flight

How long is the flight from Buenos Aires to London?

A nonstop Buenos Aires — London flight takes about 15 h 25 min — the distance between the cities is around 11,102 km.

How far is it from Buenos Aires to London?

The distance from Buenos Aires to London is about 11,102 km, which a nonstop flight covers in around 15 h 25 min.

Are there direct flights from Buenos Aires to London?

Yes, there are nonstop flights Buenos Aires — London — around 4 flights per week.

Which airlines fly from Buenos Aires to London?

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

Which airports do Buenos Aires — London flights use?

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

How much is a ticket from Buenos Aires to London?

The price of a Buenos Aires — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in December, and most expensive in April. Tickets typically cost between $561 and $759. Check the current lowest fare and low-price calendar on this page.

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

Flights Buenos Aires — London 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 December. Compare prices by month in the price trend chart on this page.

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

To catch a low fare Buenos Aires — London, 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 December.

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 Buenos Aires

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Where else you can fly from London

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