AirHint found the following cheapest return flights from Spokane (GEG) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 24 Apr - 05 May | Allegiant Air | ||
| 02 Apr - 12 Apr | Allegiant Air | ||
| 01 Apr - 12 Apr | Hawaiian Airlines |
Also check the deals for one-way flights from Spokane to San Juan in April.
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