Cheapest return flights from San Juan to London in January from 518€

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

Return flights

07 Jan - 12 Jan United
12 Jan - 19 Jan British Airways
17 Jan - 24 Jan British Airways
22 Jan - 29 Jan British Airways
27 Jan - 03 Feb British Airways
01 Jan - 07 Jan United
09 Jan - 16 Jan British Airways
06 Jan - 13 Jan British Airways
03 Jan - 10 Jan British Airways

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

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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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