Cheap flights from London to Buenos Aires
Cheapest current fares: $641 in August 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)
- August 2026 $641
- November 2026 $652
- September 2026 $670
- October 2026 $706
- December 2026 $873
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, August 2026 is the cheapest month to fly from London (LHR) to Buenos Aires (EZE), with fares starting from $641.
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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 $641 on 2026-08-27.
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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.