Seattle (SEA) → Beijing (PEK)
A reference for the Seattle Tacoma International Airport to Beijing Capital International Airport route. You'll find the operators on file, the great-circle geometry, the connecting options if no nonstop fits your dates, and a short profile of each endpoint airport.
The flight from Seattle (SEA) to Beijing (PEK) covers a great-circle distance of roughly 8,679 km (5,393 miles). Aircraft leave Seattle Tacoma International Airport on an initial northwest heading. As international sectors go, this one sits in the ultra-long-haul bracket: long enough that most carriers run it as its own dedicated rotation, but short enough to fit inside a single crew duty period.
5 carriers file a direct SEA to PEK sector, with American Airlines and China Southern Airlines among the operators on record. A route attracting this many carriers usually points to a city pair with both leisure and business demand, or a competitive hub-to-hub link where the airline alliances overlap on the same metal.
Operators on the SEA → PEK direction
Carriers with at least one scheduled rotation on this sector in the OpenFlights dataset, ranked by the number of code-shared filings.
| IATA | Airline | Country | Callsign |
|---|---|---|---|
| AA | American Airlines | United States | AMERICAN |
| CZ | China Southern Airlines | China | CHINA SOUTHERN |
| DL | Delta Air Lines | United States | DELTA |
| HU | Hainan Airlines | China | HAINAN |
| MU | China Eastern Airlines | China | CHINA EASTERN |
This is ultra-long-haul flying that pushes airframes near the top of their certified range. Expect block times around 10h 57m, three meal services, a long sleep block, and a short list of carriers prepared to commit the right certified twin (777-200LR, A350-900ULR, 787-9 in long-range trim).
If a nonstop doesn't match your dates, Chicago (ORD), London (LHR), and Paris (CDG) show up on both ends of the network and make the most natural connecting points. The connecting-hubs grid below extends that list to the eight strongest options, ranked by each airport's overall departure activity. That ranking is a fast proxy for how many onward flights a single stop is likely to feed.
Connecting hubs
Airports that already appear on both ends of this network. They're the natural one-stop options when no nonstop matches your dates, ranked by overall departure activity.
This is an international sector between United States and China. Build in time for passport validity, possible visa requirements, and the time-zone gap between Seattle and Beijing. International itineraries are quoted in local time at each end, so a "midnight" departure in Seattle typically lands the next morning in Beijing. Customs clearance happens on first arrival in the destination country.
On the day of operation, the SEA to PEK direction lifts off heading northwest, then the great-circle track curves to compensate for the Earth's rotation. The return PEK to SEA sector heads northeast out of the gate, with 1 operators on file for the inbound side. Combine the two operator lists for a full picture of the city pair's competitive landscape.
Endpoints
Other routes from Seattle (SEA)
Other destinations served from the same origin. Handy for combining trips or for finding an alternate first leg.
Other routes into Beijing (PEK)
Other origins that already file scheduled service into the destination airport.
Reading this route page
The operator list reflects scheduled-route filings in the OpenFlights dataset, not real-time availability. A carrier appearing here publishes a scheduled service on this sector. It isn't a live timetable, and the actual flight numbers, frequencies, and aircraft types shift season to season. For booking and current schedules, cross-reference the airline page above with the carrier's own website.
Distance here is the great-circle arc between the two airports' published coordinates. Real flight tracks wander off that line because of wind, ATC routings, oceanic crossings, and political airspace constraints. Block time is an estimate covering ground taxi, climb, cruise at typical jet speeds, and descent. Real block times shift with aircraft type, weather, and traffic, so treat the stat-strip number as a planning indicator rather than a published flight time.