Need help booking?
Unpublished phone-only deals available
SEA to RLK: distance & flight time
Seattle (Seattle Tacoma International Airport) → Bayannur (Bayannur Tianjitai Airport)
5,604 mi
9,019 km · 4,870 nm
11h 27m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SEA→RLK fares Phone-only fares on this route — call free
Flight time details
5,604 miles nonstop takes roughly 11h 27m 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
- RLK — Bayannur Tianjitai Airport · Bayannur, 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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 mi away
Frequently asked questions
How far is SEA from RLK?
The flight distance from Seattle (SEA) to Bayannur (RLK) is 5,604 miles (9,019 km, 4,870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to RLK?
A nonstop flight takes about 11h 27m 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 Bayannur?
Bayannur is 15 hours ahead of Seattle.
What is the cheapest way to fly from SEA to RLK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–RLK that never appear on search engines, with no booking fees.