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KES to SEA: distance & flight time
Kelsey (Kelsey Airport) → Seattle (Seattle Tacoma International Airport)
1,243 mi
2,000 km · 1,080 nm
3h 10m
estimated nonstop flight time
—
time difference · heading west
See live KES→SEA fares Phone-only fares on this route — call free
Flight time details
1,243 miles nonstop takes roughly 3h 10m gate to gate, flying west. 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
- KES — Kelsey Airport · Kelsey, 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 KES
- ZAC · York Landing Airport17 mi away
- ILF · Ilford Airport35 mi away
- PIW · Pikwitonei Airport40 mi away
- YTH · Thompson Airport55 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 KES from SEA?
The flight distance from Kelsey (KES) to Seattle (SEA) is 1,243 miles (2,000 km, 1,080 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KES to SEA?
A nonstop flight takes about 3h 10m 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 KES to SEA?
Nonstop service on KES–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 3h 10m nonstop estimate.
What is the cheapest way to fly from KES to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KES–SEA that never appear on search engines, with no booking fees.
Why are some KES to SEA fares phone-only?
Consolidator contracts let us sell certain KES–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.