Journey information
Overview: London to Buenos Aires flight
Flights from London to Buenos Aires depart on average 115 times per day, taking around 15h 53m. Cheap flight tickets for this journey start at £608 if you book in advance.
There are 1 flights per day. The earliest flight runs at 00:50, the last at 23:55. The fastest flight covers the 11129 km distance in 16h 25m. April is the cheapest month to fly.
Distance 11129 km |
Average flight duration 15h 53m |
Cheapest ticket price £608 |
Flights per day 115 |
Direct flights 1 |
Fastest flight 16h 25m |
Cheapest month to travel April |
First flight 00:50 |
Last flight 23:55 |
The cheapest and fastest flights from London to Buenos Aires
Cheapest price
£664
Average price
£750
Fastest journey
18 h 40 m
Average duration
22 h 35 m
Flights per day
5
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 £750 if you buy it on the day, but you can find cheap flight tickets today for only £664.
Of the 5 flights that leave London for Buenos Aires every day 5 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 22 h 35 m but if you time it right, some flights will get you there in just 18 h 40 m .
The slowest flights will take 1 d 20 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.










Live departures
London to Buenos Aires flight times
The table below shows live departures for London to Buenos Aires flights for today, Wednesday 3 December. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 10:35 London | 24h00 | 10:35 Buenos Aires | 0 changesdirect | |
![]() | 16:00 London | 17h25 | 09:25 Buenos Aires | 0 changesdirect | |
![]() | 19:00 London | 24h20 | 19:20 Buenos Aires | 0 changesdirect | |
![]() | 19:40 London | 23h40 | 19:20 Buenos Aires | 0 changesdirect | |
![]() | 20:05 London | 26h10 | 22:15 Buenos Aires | 0 changesdirect |
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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Airlines: LATAM Airlines, Iberia, British Airways, Air Europa, Lufthansa, ITA, Air France, KLM, Aerolineas Argentinas, SWISS from London to Buenos AiresFind the best flights between London to Buenos Aires with Omio's travel partners LATAM Airlines, Iberia, British Airways, Air Europa, Lufthansa, ITA, Air France, KLM, Aerolineas Argentinas, SWISS from £608. We can find you the best deals, schedules and tickets when comparing and booking the best trip.
British Airways
Lufthansa
ITA
Air France
Aerolineas Argentinas
SWISS
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.

Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
popular airports
Important Stations and Airports in London and Buenos Aires
- 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 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 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 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
- 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
More options for your journey from London to Buenos Aires
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