Cheapest return flights from Seattle to Beijing in March from $663

AirHint found the following cheapest return flights from Seattle (SEA) to Beijing (PEK) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar Korean Air
30 Mar - 29 Apr Korean Air
24 Mar - 31 Mar Cathay Pacific
07 Mar - 21 Mar Cathay Pacific
27 Mar - 03 Apr Singapore Airlines
28 Mar - 04 Apr Korean Air
14 Mar - 21 Mar Cathay Pacific
24 Mar - 31 Mar Hainan Airlines direct
14 Mar - 28 Mar Cathay Pacific
07 Mar - 21 Mar Hainan Airlines direct
14 Mar - 28 Mar Hainan Airlines direct

Also check the deals for one-way flights from Seattle to Beijing in March.

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