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

LON — BUE
12 Jul — 19 Jul1
1 adult
1 adult, Economy, 0 bags

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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 12 June 2026.

Sun 28/610:50
LHR
-
EZE
1 stop24h 50m
Iberia
Wed 8/710:50
EZE
-
LHR
1 stop18h 20m
Iberia
Deal found 8/6£894
Sun 28/609:15
LHR
-
EZE
1 stop18h 15m
Iberia
Tue 7/712:25
EZE
-
LHR
Nonstop15h 45m
Iberia
Deal found 7/6£895
Wed 15/720:00
LHR
-
EZE
1 stop24h 05m
Iberia
Thu 6/813:00
EZE
-
LHR
1 stop15h 25m
Iberia
Deal found 11/6£902

  • How do most travelers feel about Iberia?

    3,232 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 £897?

    27 Iberia flights from LON to BUE have recently been found on Cheapflights for under £897. Click here to find the best deals to Buenos Aires for your desired dates.

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 12 June 2026.

One-way from

£744

Return from

£886

Popular in

December

Cheapest in

September

Average price (all airlines)

£895
Iberia
  • Iberia
  • 19/7
  • 1 total stop
  • 17h 35m total
  • London to Buenos Aires
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Iberia
  • Iberia
  • 16/11-30/11
  • 2 total stops
  • 45h 55m total
  • London to Buenos Aires
Search Deals
Highest demand for flights from London to Buenos Aires; 8% 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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Which month is the cheapest to fly Economy class from London to Buenos Aires?

For Economy class flights, the cheapest month to fly this route is April. The most expensive months are December and September.

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).

When is the best time to book a flight to Buenos Aires with Iberia?

The best time to book a flight to Buenos Aires with Iberia is 41 days before departure. On average, fares are higher if you book 83 days before departure.

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 12 June 2026.
British Airways flights from London to Buenos Aires
Air Europa 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 12 June 2026.
Iberia
7.0
Good
3,232 reviews
Check prices
Overview

Comfort

6.7

Food

6.4

Entertainment

6.6

Boarding

7.2

Crew

7.7

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