AirHint found the following cheapest one-way flights from Manila (MNL) to Seattle (SEA) in September 2025 (see full year).
One-Way flights
| 23 Sep | China Airlines | ||
| 22 Sep | China Airlines | ||
| 21 Sep | China Airlines | ||
| 24 Sep | Korean Air | ||
| 24 Sep | Philippine Airlines | direct |
Also check the deals for return flights from Manila to Seattle in September.
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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