Cheapest return ORD–SJU flights, December

AirHint found the following cheapest return flights from Chicago (ORD) to San Juan (SJU) in December 2026 (see full year).

Return flights

02 Dec - 07 Dec United
02 Dec - 06 Dec United
03 Dec - 06 Dec Delta
22 Dec - 30 Dec United direct
23 Dec - 30 Dec United direct
28 Dec - 28 Dec United direct
25 Dec - 25 Dec United
28 Dec - 04 Jan United
23 Dec - 02 Jan United
25 Dec - 03 Jan United

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

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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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