Cheapest return SEA–PVG flights, May

AirHint found the following cheapest return flights from Seattle (SEA) to Shanghai (PVG) in May 2026 (see full year).

Return flights

02 May - 12 May Asiana Airlines
07 May - 01 Jun Hainan Airlines
01 May - 11 May Asiana Airlines
01 May - 10 May Asiana Airlines
13 May - 20 May Korean Air
13 May - 25 May Korean Air
12 May - 17 May Alaska Airlines
26 May - 20 Jun Alaska Airlines
19 May - 22 May Turkish Airlines
14 May - 21 May Korean Air
27 May - 03 Jun Alaska Airlines
26 May - 24 Jun Alaska Airlines
28 May - 04 Jun Alaska Airlines
26 May - 31 May Asiana Airlines
05 May - 17 May Air Canada
26 May - 16 Jun Delta direct
27 May - 03 Jun Delta direct
26 May - 20 Jun Delta direct
28 May - 04 Jun Delta direct
26 May - 24 Jun Delta direct

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

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 Shanghai

Cheap car rent in Shanghai

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