Cheapest return flights from Shanghai to Seattle in December from 649€

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

Return flights

26 Dec - 09 Jan Air Canada
27 Dec - 09 Jan Asiana Airlines
01 Dec - 08 Dec Air Canada
01 Dec - 08 Dec Delta direct
26 Dec - 09 Jan Delta direct
01 Dec - 12 Jan Delta direct
01 Dec - 05 Jan Delta direct
05 Dec - 09 Jan Delta direct
05 Dec - 06 Jan Delta direct
27 Dec - 09 Jan Delta direct
15 Dec - 24 Dec Jetstar Japan
15 Dec - 24 Dec Delta direct
19 Dec - 26 Dec Delta direct
05 Dec - 26 Dec Delta direct

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

Powered by

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.

Book a cheap hotel in Seattle

Cheap car rent in Seattle

Feel free to contact us with any feedback or request another flight research.