Cheapest return flights from London to San Juan in August from $771

AirHint found the following cheapest return flights from London (LON) to San Juan (SJU) in August 2026 (see full year).

Return flights

26 Aug - 16 Sep Norse Atlantic Airways (UK)
28 Aug - 04 Sep Norse Atlantic Airways (UK)
24 Aug - 16 Sep Norse Atlantic Airways (UK)
29 Aug - 04 Sep Norse Atlantic Airways (UK)
11 Aug - 22 Aug Ryanair
11 Aug - 24 Aug Ryanair
17 Aug - 23 Aug Ryanair
04 Aug - 18 Aug Ryanair
20 Aug - 29 Aug Eurowings
10 Aug - 18 Aug easyJet
13 Aug - 18 Aug Eurowings
23 Aug - 31 Aug Icelandair
08 Aug - 23 Aug TAP
04 Aug - 11 Aug Ryanair

Also check the deals for one-way flights from London to San Juan in August.

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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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