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BFI to TTD: distance & flight time
Seattle (Boeing Field King County International Airport) → Troutdale (Portland Troutdale Airport)
137 mi
220 km · 119 nm
50m
estimated nonstop flight time
Same time
time difference · heading south
See live BFI→TTD fares Phone-only fares on this route — call free
Flight time details
137 miles nonstop takes roughly 50m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- TTD — Portland Troutdale Airport · Troutdale, 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 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 TTD
- PDX · Portland International Airport10 mi away
- HIO · Portland Hillsboro Airport27 mi away
- KLS · Southwest Washington Regional Airport46 mi away
- SLE · Salem Municipal Airport/McNary Field53 mi away
Frequently asked questions
How far is BFI from TTD?
The flight distance from Seattle (BFI) to Troutdale (TTD) is 137 miles (220 km, 119 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to TTD?
A nonstop flight takes about 50m 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 cheapest way to fly from BFI to TTD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–TTD that never appear on search engines, with no booking fees.