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HEX to BFI: distance & flight time
Santo Domingo (Herrera Airport) → Seattle (Boeing Field King County International Airport)
3,546 mi
5,706 km · 3,081 nm
7h 25m
estimated nonstop flight time
-3h
time difference · heading northwest
See live HEX→BFI fares Phone-only fares on this route — call free
Flight time details
3,546 miles nonstop takes roughly 7h 25m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- HEX — Herrera Airport · Santo Domingo, Dominican Republic
- 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 HEX
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 HEX from BFI?
The flight distance from Santo Domingo (HEX) to Seattle (BFI) is 3,546 miles (5,706 km, 3,081 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEX to BFI?
A nonstop flight takes about 7h 25m 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 Santo Domingo and Seattle?
Seattle is 3 hours behind Santo Domingo.
What is the cheapest way to fly from HEX to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEX–BFI that never appear on search engines, with no booking fees.