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HLH to BFI: distance & flight time
Ulanhot (Ulanhot Airport) → Seattle (Boeing Field King County International Airport)
4,888 mi
7,867 km · 4,248 nm
10h 3m
estimated nonstop flight time
-15h
time difference · heading northeast
See live HLH→BFI fares Phone-only fares on this route — call free
Flight time details
4,888 miles nonstop takes roughly 10h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- HLH — Ulanhot Airport · Ulanhot, China
- BFI — Boeing Field King County International Airport · Seattle, United States
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 HLH
- DBC · Baicheng Chang'an Airport68 mi away
- NDG · Qiqihar Sanjiazi Airport116 mi away
- NZL · Chengjisihan Airport121 mi away
- YIE · Arxan Yi'ershi Airport126 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is HLH from BFI?
The flight distance from Ulanhot (HLH) to Seattle (BFI) is 4,888 miles (7,867 km, 4,248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLH to BFI?
A nonstop flight takes about 10h 3m 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 Ulanhot and Seattle?
Seattle is 15 hours behind Ulanhot.
What is the cheapest way to fly from HLH to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLH–BFI that never appear on search engines, with no booking fees.