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

Return flights

30 Jan - 09 Feb	Ryanair
24 Jan - 04 Feb	Ryanair
24 Jan - 05 Feb	Ryanair
19 Jan - 31 Jan	Ryanair
31 Jan - 09 Feb	Ryanair
30 Jan - 11 Feb	Ryanair
22 Jan - 31 Jan	Ryanair
22 Jan - 04 Feb	Ryanair
22 Jan - 05 Feb	Ryanair
15 Jan - 28 Jan	Ryanair
15 Jan - 29 Jan	Ryanair
19 Jan - 01 Feb	Ryanair
23 Jan - 04 Feb	Ryanair
23 Jan - 05 Feb	Ryanair
18 Jan - 28 Jan	Ryanair
18 Jan - 29 Jan	Ryanair
23 Jan - 31 Jan	Ryanair
18 Jan - 31 Jan	Ryanair
19 Jan - 29 Jan	Ryanair
20 Jan - 29 Jan	Ryanair

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

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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Cheapest return flights from Sandefjord to San Juan in January from $633

Return flights