Journey information
Overview: London to Buenos Aires flight
Flights from London to Buenos Aires depart on average 122 times per day, taking around 15h 42m. Cheap flight tickets for this journey start at £387 if you book in advance.
There are 1 flights per day. The earliest flight runs at 00:20, the last at 23:55. The fastest flight covers the 11129 km distance in 16h 55m. March is the cheapest month to fly.
Distance 11129 km |
Average flight duration 15h 42m |
Cheapest ticket price £387 |
Flights per day 122 |
Direct flights 1 |
Fastest flight 16h 55m |
First flight 0:20 |
Last flight 23:55 |
Cheapest Month Mar |
Cheapest Day Tue |
High Season Oct - Dec |
Low Season Jul - Sept |
Busiest Day Sat |
Least Busy Day Wed |
Best time to book 2 days |
The cheapest and fastest flights from London to Buenos Aires
Cheapest price
£474
Average price
£1178
Fastest journey
16 h 10 m
Average duration
16 h 36 m
Flights per day
102
Distance
11129 km
The best way to find a cheap flight ticket from London to Buenos Aires is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from London to Buenos Aires will cost around £1178 if you buy it on the day, but you can find cheap flight tickets today for only £474.
Of the 102 flights that leave London for Buenos Aires every day 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct flights cover the 11129 km distance in an average of 16 h 36 m but if you time it right, some flights will get you there in just 16 h 10 m .
The slowest flights will take 16 h 55 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
AV121 · AV21722:0530h20London Heathrow Airport0:25Buenos Aires Ministro Pistarini£4741One-way1 change
AV121 · AV839522:0521h35London Heathrow Airport15:40Buenos Aires Ministro Pistarini£4741One-way1 change
AV121 · AV8722:0535h35London Heathrow Airport5:40Buenos Aires Ministro Pistarini£4741One-way1 change
AV121 · AV15522:0535h35London Heathrow Airport5:40Buenos Aires Jorge Newburg£4951One-way1 change
LA8085 · LA813821:2026h40London Heathrow Airport20:00Buenos Aires Jorge Newburg£7331One-way1 change
BA247+
BA763022:2016h10London Heathrow Airport10:30Buenos Aires Jorge Newburg£19491One-way1 change
LA8085 · LA803221:2016h20London Heathrow Airport9:40Buenos Aires Jorge Newburg£7741One-way1 change
KL1012+
KL70117:1016h40London Heathrow Airport5:50Buenos Aires Ministro Pistarini£9901One-way1 change
AF1681 · AF4688:5516h55London Heathrow Airport21:50Buenos Aires Ministro Pistarini£9901One-way1 change
LH915 · LH51017:3016h55London Heathrow Airport6:25Buenos Aires Ministro Pistarini£11031One-way1 change
Live departures
London to Buenos Aires flight times
The table below shows live departures for London to Buenos Aires flights for today, Tuesday 2 June. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 7:45 London | 31h05 | 14:50 Buenos Aires | 0 changesdirect | |
![]() | 9:30 London | 25h00 | 10:30 Buenos Aires | 0 changesdirect | |
![]() | 15:30 London | 19h00 | 10:30 Buenos Aires | 0 changesdirect | |
![]() | 20:15 London | 20h45 | 17:00 Buenos Aires | 0 changesdirect | |
![]() | 20:20 London | 22h25 | 18:45 Buenos Aires | 0 changesdirect | |
![]() | 21:05 London | 35h35 | 8:40 Buenos Aires | 0 changesdirect | |
![]() | 21:40 London | 21h10 | 18:50 Buenos Aires | 0 changesdirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
How far in advance should I book flight tickets from London to Buenos Aires?
Compare prices and tickets London to Buenos Aires by flight
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Why should you book London to Buenos Aires flights with Omio?
Why book with Omio vs Latam Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Latam Airlines, but also compare tickets for the likes of British Airways, Iberia, ITA or Air Europa to find the best option for your trip from London to Buenos Aires.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Why book with Omio over Kayak, Edreams or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of British Airways, Iberia, ITA or Air Europa to find the best option for your trip from London to Buenos Aires.
Airlines: Latam Airlines, British Airways, Iberia, ITA, Air Europa, Lufthansa, Avianca, KLM, Aerolineas Argentinas, Air France from London to Buenos AiresFind the best flights between London to Buenos Aires with Omio's travel partners Latam Airlines, British Airways, Iberia, ITA, Air Europa, Lufthansa, Avianca, KLM, Aerolineas Argentinas, Air France from £387. We can find you the best deals, schedules and tickets when comparing and booking the best trip.
British Airways
ITA
Lufthansa
Avianca
Aerolineas Argentinas
Air France
Latam Airlines
Iberia
Air Europa
KLM
FAQs: London to Buenos Aires flights
Find answers to the most common questions about traveling from London to Buenos Aires by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Buenos Aires, this guide helps you travel smarter and with confidence.

popular airports
Important Stations and Airports in London and Buenos Aires
- Free Wi-Fi available throughout the airport for up to 4 hours.
- Shops are located throughout all terminals, including Harrods and World Duty Free.
- Short Stay parking available near each terminal, approximately 6.3€ (£5.30) for 30 minutes.
- Available outside the terminal.
- Assistance.
- Available throughout the airport, including accessible facilities.
- Yes
- Lounges available in all terminals, including British Airways and Plaza Premium lounges.
- Located at each terminal, contact Heathrow Airport Lost Property.
- Bus: 105, 111, 140, 285, 423
- Metro: Piccadilly Line
- Train: Heathrow Express, TfL Rail
- Free Wi-Fi available throughout the airport.
- Shops in the terminal, including WHSmith and Aelia Duty-Free.
- Short-term and long-term parking available, starting at approximately 4.2€ (£3.50) per hour.
- Available outside the terminal.
- Elevators, ramps.
- Available throughout the airport.
- Lounge available, including the First Class Lounge.
- Located in the terminal, contact information desk.
- DLR
- Bus 473
- Bus 474
- Free Wi-Fi available throughout the airport for 90 minutes.
- Shops are located in both terminals, including Harrods and World Duty Free.
- Short stay parking available at both terminals, approximately 6€ (£5) for 30 minutes.
- Available outside the terminal.
- Assistance.
- Available throughout the airport, including accessible facilities.
- Yes
- Lounges available in both terminals, including No1 Lounge and Club Aspire.
- Located in the South Terminal, inquiries can be made online or in person.
- Train: Gatwick Express, Southern, Thameslink
- Bus: National Express, Metrobus
- Free Wi-Fi available throughout the airport.
- Shops are available in all terminals, including duty-free stores and local brands.
- Parking available with short-term and long-term options, approximately 1.9€ ($2) per hour.
- Restaurants are located in all terminals, offering Argentine cuisine and intertiol options like McDold's and Starbucks.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels within walking distance, such as the Holiday Inn Buenos Aires Ezeiza Airport.
- Showers are available in some lounges, typically included in lounge access fees.
- Lounges available, including the Aeropuertos VIP Club, with amenities like food, drinks, and showers.
- Lost and Found located in terminal A, near the information desk.
- Car rental services are available from major companies like Hertz and Avis.
- Bus Line 8, Ezeiza Airport Stop, 22 km
- Free Wi-Fi available throughout the airport.
- Shops include duty-free and local brands, mainly in the departures area.
- Parking available, short-term parking costing approximately 0.16€ (ARS 60) per hour.
- Several restaurants available, including fast food and local cuisine, mainly in the food court area
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels nearby, such as the Aeroparque Inn & Suites, within walking distance.
- Lounges available, including Aeropuertos VIP Club.
- Lost and Found located in the arrivals area.
- Car rental services available, with major companies like Hertz and Avis located in the arrivals area
- Bus Line 33, 45, 160, Aeroparque stop, 8 km
More options for your journey from London to Buenos Aires
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