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Iberia flights from London to Buenos Aires (LON - BUE)

LON — BUE
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Buenos Aires on Iberia typically fly into Buenos Aires Ministro Pistarini and depart from London Heathrow. Select your dates above for pricing.

Iberia flights from London to Buenos Aires in 2026

Find detailed information about Iberia flights from London to Buenos Aires. Explore the options provided by Iberia to plan your journey from London to Buenos Aires. Data last updated 15 January 2026.

One-way from

£495

Return from

£831

Popular in

December

Cheapest in

September

Average price (all airlines)

£896
Iberia
  • Iberia
  • 16/4
  • 2 total stops
  • 26h 45m total
  • London to Buenos Aires
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Iberia
  • Iberia
  • 21/2-27/5
  • 2 total stops
  • 34h 20m total
  • London to Buenos Aires
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Highest demand for flights from London to Buenos Aires; 4% potential price increase.
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Best time to find cheap flights from London to Buenos Aires; 2% potential price drop.
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Average price for all London to Buenos Aires flights (one-way and round-trip).
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  • How do most travelers feel about Iberia?

    3,087 Cheapflights users have left reviews for Iberia and have rated the airline 7.0/10. If you are looking to travel from London to Buenos Aires on Iberia, input your dates in the form above for our best prices!

  • Does Iberia service alternative airports for LON-BUE?

    Those looking to travel from London to Buenos Aires on Iberia should know that there are other options for airports to fly into when visiting Buenos Aires. The most popular airport is Buenos Aires Ministro Pistarini, but for some, Buenos Aires Jorge Newbery is the better option as it is closer to the end destination or even cheaper to fly into on Iberia. If you are looking for a closer or different airport to depart from in London, Iberia also flies out of London Gatwick when traveling to Buenos Aires.

  • Can I get a flight from London to Buenos Aires on Iberia for under £967?

    29 Iberia flights from LON to BUE have recently been found on Cheapflights for under £967. Click here to find the best deals to Buenos Aires for your desired dates.

Find Iberia flight deals from London to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest Iberia flights from London to Buenos Aires
Explore the most affordable Iberia flight options available from London to Buenos Aires. Find the lowest fares with prices last updated on 15 January 2026.

Sat 21/219:40
LGW
-
EZE
1 stop16h 00m
Iberia
Wed 27/521:40
EZE
-
LGW
1 stop18h 20m
Iberia
Deal found 14/1£831
Sat 31/119:40
LHR
-
EZE
1 stop16h 00m
Iberia
Fri 20/219:20
EZE
-
LHR
1 stop19h 55m
Iberia
Deal found 13/1£836
Sun 1/219:40
LGW
-
EZE
1 stop16h 00m
Iberia
Sun 15/222:45
EZE
-
LGW
1 stop17h 15m
Iberia
Deal found 13/1£841

How far ahead should I book a flight from London to Buenos Aires with Iberia?

Use this chart to determine the optimal time to book a return flight from London to Buenos Aires. Price data was last updated on 9 January 2026.

Booking with Iberia 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Weekly Iberia flight availability from London to Buenos Aires

The most Iberia flights from LON to BUE are scheduled on a Monday (1 on average). You will have fewer Iberia flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

Best time to book a flight from London to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Buenos Aires on another airline

Consider alternative airlines that service the Buenos Aires area. Flight routes are based on user searches made on Cheapflights and were last updated on 15 January 2026.
Air Europa flights from London to Buenos Aires
British Airways flights from London to Buenos Aires

See what others are saying about Iberia

Read reviews and see what other travellers are saying about their experiences with Iberia. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Iberia for your next flight. Reviews last updated 15 January 2026.
Iberia
7.0
Good
3,086 reviews
Check prices
Overview

Food

6.4

Entertainment

6.6

Crew

7.7

Boarding

7.1

Comfort

6.7

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