Cheap flights from London to Buenos Aires
Cheapest current fares: $578 in May 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from London (LHR) to Buenos Aires (EZE). Refreshed daily.
London (LHR) → Buenos Aires (EZE)
- May 2026 $578
- June 2026 $594
- August 2026 $1095
- July 2026 $1307
Frequently asked questions
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What is the cheapest month to fly from London to Buenos Aires?
Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from London (LHR) to Buenos Aires (EZE), with fares starting from $578.
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What is the lowest current fare from LHR to EZE?
The lowest currently-listed fare from London (LHR) to Buenos Aires (EZE) is $578 on 2026-05-25.
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Is there a direct flight from London to Buenos Aires?
There is currently no non-stop service from LHR to EZE. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.