Need help booking?
Unpublished phone-only deals available
YBY to SEA: distance & flight time
Bonnyville (Bonnyville Airport) → Seattle (Seattle Tacoma International Airport)
690 mi
1,111 km · 600 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YBY→SEA fares Phone-only fares on this route — call free
Flight time details
690 miles nonstop takes roughly 1h 58m gate to gate, flying southwest. 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
- YBY — Bonnyville Airport · Bonnyville, Canada
- SEA — Seattle Tacoma 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 YBY
- YOD · CFB Cold Lake20 mi away
- YVG · Vermilion Airport66 mi away
- YLL · Lloydminster Airport74 mi away
- YLJ · Meadow Lake Airport91 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is YBY from SEA?
The flight distance from Bonnyville (YBY) to Seattle (SEA) is 690 miles (1,111 km, 600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YBY to SEA?
A nonstop flight takes about 1h 58m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YBY to SEA?
Nonstop service on YBY–SEA depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 58m nonstop estimate.
What is the time difference between Bonnyville and Seattle?
Seattle is 1 hour behind Bonnyville.
What is the cheapest way to fly from YBY to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YBY–SEA that never appear on search engines, with no booking fees.
Why are some YBY to SEA fares phone-only?
Consolidator contracts let us sell certain YBY–SEA tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.