Cheapest return flights from Denver to San Juan in January from 127€

Best time to book flights for Denver (DEN) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Denver (DEN) to San Juan (SJU) in January 2025 (see full year).

Return flights

30 Jan - 03 Feb Frontier Airlines
30 Jan - 31 Jan Frontier Airlines
31 Jan - 03 Feb Frontier Airlines
28 Jan - 05 Feb Frontier Airlines
28 Jan - 02 Feb Frontier Airlines
31 Jan - 02 Feb Frontier Airlines
31 Jan - 07 Feb Frontier Airlines
31 Jan - 08 Feb Frontier Airlines
18 Jan - 25 Jan Frontier Airlines
23 Jan - 28 Jan Frontier Airlines
22 Jan - 28 Jan Frontier Airlines
22 Jan - 26 Jan Frontier Airlines
25 Jan - 29 Jan Frontier Airlines
14 Jan - 23 Jan Frontier Airlines
16 Jan - 23 Jan Frontier Airlines
16 Jan - 19 Jan Frontier Airlines
12 Jan - 16 Jan Frontier Airlines
28 Jan - 11 Feb United direct
29 Jan - 12 Feb United direct
27 Jan - 10 Feb United

Also check the deals for one-way flights from Denver to San Juan 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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