AirHint found the following cheapest return flights from Denver (DEN) to San Jose (SJO) in May 2026 (see full year).
Return flights
| 04 May - 12 May | United | ||
| 15 May - 18 May | United | ||
| 30 May - 06 Jun | jetBlue | ||
| 23 May - 31 May | jetBlue |
Also check the deals for one-way flights from Denver to San Jose in May.
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