Need help booking?
Unpublished phone-only deals available
TDR to BFI: distance & flight time
Theodore (Theodore Airport) → Seattle (Boeing Field King County International Airport)
7,367 mi
11,856 km · 6,402 nm
14h 55m
estimated nonstop flight time
-17h
time difference · heading northeast
See live TDR→BFI fares Phone-only fares on this route — call free
Flight time details
7,367 miles nonstop takes roughly 14h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time set-back when reading arrival times on your ticket.
The two airports
- TDR — Theodore Airport · Theodore, Australia
- 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 TDR
- THG · Thangool Airport46 mi away
- XTO · Taroom Airport57 mi away
- GLT · Gladstone Airport105 mi away
- GAH · Gayndah Airport105 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 TDR from BFI?
The flight distance from Theodore (TDR) to Seattle (BFI) is 7,367 miles (11,856 km, 6,402 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TDR to BFI?
A nonstop flight takes about 14h 55m 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 Theodore and Seattle?
Seattle is 17 hours behind Theodore.
What is the cheapest way to fly from TDR to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TDR–BFI that never appear on search engines, with no booking fees.