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BFI to PRH: distance & flight time
Seattle (Boeing Field King County International Airport) → Phrae (Phrae Airport)
7,193 mi
11,577 km · 6,251 nm
14h 34m
estimated nonstop flight time
+14h
time difference · heading northwest
See live BFI→PRH fares Phone-only fares on this route — call free
Flight time details
7,193 miles nonstop takes roughly 14h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- PRH — Phrae Airport · Phrae, Thailand
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 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
Near PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 mi away
Frequently asked questions
How far is BFI from PRH?
The flight distance from Seattle (BFI) to Phrae (PRH) is 7,193 miles (11,577 km, 6,251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to PRH?
A nonstop flight takes about 14h 34m 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 Phrae?
Phrae is 14 hours ahead of Seattle.
What is the cheapest way to fly from BFI to PRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–PRH that never appear on search engines, with no booking fees.