AirHint found the following cheapest return flights from Manila (MNL) to Seattle (SEA) in August 2026 (see full year).
Return flights
| 09 Aug - 16 Aug | China Airlines | ||
| 09 Aug - 16 Aug | Philippine Airlines | direct | |
| 10 Aug - 17 Aug | Air Canada |
Also check the deals for one-way flights from Manila to Seattle in August.
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