AirHint found the following cheapest return flights from Shanghai (PVG) to Seattle (SEA) in October 2025 (see full year).

Return flights

14 Oct - 21 Oct	Asiana Airlines
06 Oct - 15 Oct	Korean Air
08 Oct - 21 Oct	Korean Air
05 Oct - 12 Oct	Korean Air
31 Oct - 31 Oct	Korean Air
11 Oct - 25 Oct	Korean Air
11 Oct - 08 Nov	Korean Air
11 Oct - 16 Nov	Korean Air
11 Oct - 22 Nov	Korean Air
11 Oct - 12 Nov	Korean Air
11 Oct - 19 Nov	Korean Air
08 Oct - 12 Nov	Korean Air
11 Oct - 26 Nov	Korean Air
11 Oct - 29 Nov	Korean Air
01 Oct - 07 Oct	Hainan Airlines
08 Oct - 21 Oct	Delta	direct
14 Oct - 21 Oct	Delta	direct
06 Oct - 15 Oct	Delta	direct
11 Oct - 08 Nov	Delta	direct
11 Oct - 16 Nov	Delta	direct

Also check the deals for one-way flights from Shanghai to Seattle in October.

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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Cheapest return flights from Shanghai to Seattle in October from 614€

Return flights