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FNL to BFI: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Seattle (Boeing Field King County International Airport)
986 mi
1,586 km · 857 nm
2h 37m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FNL→BFI fares Phone-only fares on this route — call free
Flight time details
986 miles nonstop takes roughly 2h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 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 FNL from BFI?
The flight distance from Fort Collins (FNL) to Seattle (BFI) is 986 miles (1,586 km, 857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to BFI?
A nonstop flight takes about 2h 37m 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 Fort Collins and Seattle?
Seattle is 1 hour behind Fort Collins.
What is the cheapest way to fly from FNL to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–BFI that never appear on search engines, with no booking fees.