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BFI to HDY: distance & flight time
Seattle (Boeing Field King County International Airport) → Hat Yai (Hat Yai International Airport)
7,863 mi
12,654 km · 6,833 nm
15h 53m
estimated nonstop flight time
+14h
time difference · heading northwest
See live BFI→HDY fares Phone-only fares on this route — call free
Flight time details
7,863 miles nonstop takes roughly 15h 53m 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
- HDY — Hat Yai International Airport · Hat Yai, 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 HDY
- SGZ · Songkhla Airport23 mi away
- AOR · Sultan Abdul Halim Airport51 mi away
- PAN · Pattani Airport53 mi away
- LGK · Langkawi International Airport62 mi away
Frequently asked questions
How far is BFI from HDY?
The flight distance from Seattle (BFI) to Hat Yai (HDY) is 7,863 miles (12,654 km, 6,833 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to HDY?
A nonstop flight takes about 15h 53m 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 Hat Yai?
Hat Yai is 14 hours ahead of Seattle.
What is the cheapest way to fly from BFI to HDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–HDY that never appear on search engines, with no booking fees.