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YKU to SEA: distance & flight time
Chisasibi (Chisasibi Airport) → Seattle (Seattle Tacoma International Airport)
1,920 mi
3,090 km · 1,668 nm
4h 14m
estimated nonstop flight time
-3h
time difference · heading west
See live YKU→SEA fares Phone-only fares on this route — call free
Flight time details
1,920 miles nonstop takes roughly 4h 14m gate to gate, flying west. 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
- YKU — Chisasibi Airport · Chisasibi, 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 YKU
- YGL · La Grande Rivière Airport51 mi away
- YNC · Wemindji Airport55 mi away
- ZEM · Eastmain River Airport110 mi away
- YGW · Kuujjuarapik Airport112 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 YKU from SEA?
The flight distance from Chisasibi (YKU) to Seattle (SEA) is 1,920 miles (3,090 km, 1,668 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKU to SEA?
A nonstop flight takes about 4h 14m 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 YKU to SEA?
Nonstop service on YKU–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 4h 14m nonstop estimate.
What is the time difference between Chisasibi and Seattle?
Seattle is 3 hours behind Chisasibi.
What is the cheapest way to fly from YKU to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKU–SEA that never appear on search engines, with no booking fees.
Why are some YKU to SEA fares phone-only?
Consolidator contracts let us sell certain YKU–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.