AirHint found the following cheapest return flights from Seattle (SEA) to Puerto Vallarta (PVR) in May 2026 (see full year).
Return flights
| 05 May - 09 May | Delta | ||
| 30 May - 06 Jun | Delta | ||
| 28 May - 01 Jun | United | ||
| 29 May - 08 Jun | Delta | ||
| 21 May - 26 May | Aeromexico |
Also check the deals for one-way flights from Seattle to Puerto Vallarta in May.
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