Cheapest one-way flights from Seattle to Beijing in March from $342

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

One-Way flights

08 Mar Philippine Airlines
01 Mar Philippine Airlines
04 Mar Philippine Airlines
02 Mar Asiana Airlines
13 Mar Alaska Airlines
28 Mar Singapore Airlines
27 Mar Singapore Airlines
14 Mar Frontier Airlines
28 Mar Hainan Airlines direct
14 Mar Hainan Airlines direct

Also check the deals for return flights from Seattle to Beijing in March.

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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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