AirHint found the following cheapest return flights from Seattle (SEA) to Beijing (PEK) in November 2025 (see full year).
Return flights
| 25 Nov - 02 Dec | Hainan Airlines | ||
| 26 Nov - 09 Dec | Philippine Airlines | ||
| 29 Nov - 06 Dec | Korean Air | ||
| 22 Nov - 29 Nov | Alaska Airlines | ||
| 22 Nov - 20 Dec | Korean Air | ||
| 22 Nov - 29 Nov | Hainan Airlines | direct |
Also check the deals for one-way flights from Seattle to Beijing in November.
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