Cheapest return flights from London to Buenos Aires in May from 845€

AirHint found the following cheapest return flights from London (LON) to Buenos Aires (EZE) in May 2026 (see full year).

Return flights

11 May - 20 May Avianca
08 May - 16 May Avianca
04 May - 18 May Air Canada
01 May - 05 May Avianca
12 May - 23 May Avianca
15 May - 23 May Avianca
13 May - 30 May Avianca
02 May - 16 May Avianca
09 May - 06 Jun Air France
09 May - 23 May Avianca
01 May - 11 May Avianca
28 May - 09 Jun Air France
28 May - 18 Jun Air France
29 May - 19 Jun Air France
19 May - 26 Jun Air Europa

Also check the deals for one-way flights from London to Buenos Aires in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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