AirHint found the following cheapest return flights from Detroit (DTW) to San Jose (SJO) in January 2026 (see full year).

Return flights

05 Jan - 14 Jan	Spirit Airlines
02 Jan - 14 Jan	Spirit Airlines
02 Jan - 13 Jan	Spirit Airlines
02 Jan - 10 Jan	Spirit Airlines
02 Jan - 08 Jan	Spirit Airlines
20 Jan - 31 Jan	Spirit Airlines
01 Jan - 13 Jan	Spirit Airlines
05 Jan - 13 Jan	Spirit Airlines
05 Jan - 10 Jan	Spirit Airlines
05 Jan - 08 Jan	Spirit Airlines
20 Jan - 10 Feb	Spirit Airlines
20 Jan - 07 Feb	Spirit Airlines
24 Jan - 28 Feb	Spirit Airlines
24 Jan - 10 Feb	Spirit Airlines
24 Jan - 07 Feb	Spirit Airlines
31 Jan - 07 Feb	Southwest Airlines

Also check the deals for one-way flights from Detroit to San Jose 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 Detroit to San Jose in January from 250€

Return flights