Cheap flights from London-London City to Buenos Aires
Cheap return flights from London-London City to Buenos Aires
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Buenos Aires flight facts
What you need to know
What are the cheapest airlines?
- Iberia
- Air Europa
- British Airways
These airlines usually offer the cheapest flights from London-London City to Buenos Aires.
What airlines fly indirectly?
- KLM
- Air France
- Lufthansa
These airlines fly from London-London City to Buenos Aires, but you’ll have at least one layover.
How long is the flight?
15 hours
This is the shortest flight time from London-London City to Buenos Aires.
Alternative flights from the UK to Buenos Aires
Check out prices for other routes
Alternative flights from London-London City
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-London City/Buenos Aires route. There are around 35 flights on any given week from the UK to Buenos Aires and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-London City to Buenos Aires
Tips and advice from our flight experts
You've searched for flights from London City to Buenos Aires. We've found 25 flights and compared them to give you the best offers. Iberia is, on average, the cheapest airline for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route London to Buenos Aires on 01/07/2026 at 07:20 for £39.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 11,600 km flight from London to Buenos Aires.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The low season is typically from May to September. Iberia is a popular choice for this route, and the average flight duration is around 15 hours. After selecting an offer, fill out your information, complete the payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Buenos Aires
Where other people are flying to
