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SEA to TSN: distance & flight time
Seattle (Seattle Tacoma International Airport) → Tianjin (Tianjin Binhai International Airport)
5,422 mi
8,726 km · 4,712 nm
11h 6m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SEA→TSN fares Phone-only fares on this route — call free
Flight time details
5,422 miles nonstop takes roughly 11h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- TSN — Tianjin Binhai International Airport · Tianjin, China
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near TSN
- PKX · Beijing Daxing International Airport57 mi away
- NAY · Beijing Nanyuan Airport68 mi away
- PEK · Beijing Capital International Airport77 mi away
- BPE · Qinhuangdao Beidaihe Airport99 mi away
Frequently asked questions
How far is SEA from TSN?
The flight distance from Seattle (SEA) to Tianjin (TSN) is 5,422 miles (8,726 km, 4,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to TSN?
A nonstop flight takes about 11h 6m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and Tianjin?
Tianjin is 15 hours ahead of Seattle.
What is the cheapest way to fly from SEA to TSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–TSN that never appear on search engines, with no booking fees.