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HDY to BFI: distance & flight time
Hat Yai (Hat Yai International Airport) → Seattle (Boeing Field King County International Airport)
7,863 mi
12,654 km · 6,833 nm
15h 53m
estimated nonstop flight time
-14h
time difference · heading northeast
See live HDY→BFI fares Phone-only fares on this route — call free
Flight time details
7,863 miles nonstop takes roughly 15h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- HDY — Hat Yai International Airport · Hat Yai, Thailand
- 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 HDY
- SGZ · Songkhla Airport23 mi away
- AOR · Sultan Abdul Halim Airport51 mi away
- PAN · Pattani Airport53 mi away
- LGK · Langkawi International Airport62 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 HDY from BFI?
The flight distance from Hat Yai (HDY) to Seattle (BFI) 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 HDY to BFI?
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 Hat Yai and Seattle?
Seattle is 14 hours behind Hat Yai.
What is the cheapest way to fly from HDY to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDY–BFI that never appear on search engines, with no booking fees.