AirHint found the following cheapest return flights from Richmond (RIC) to San Juan (SJU) in December 2025 (see full year).

Return flights

04 Dec - 16 Dec	Spirit Airlines
04 Dec - 08 Dec	Spirit Airlines
12 Dec - 16 Dec	Southwest Airlines
12 Dec - 27 Dec	Spirit Airlines
20 Dec - 27 Dec	Spirit Airlines
26 Dec - 27 Dec	Spirit Airlines
20 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from Richmond to San Juan in December.

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 Richmond to San Juan in December from 229€

Return flights