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YTH to SEA: distance & flight time
Thompson (Thompson Airport) → Seattle (Seattle Tacoma International Airport)
1,188 mi
1,912 km · 1,032 nm
3h 3m
estimated nonstop flight time
-2h
time difference · heading west
See live YTH→SEA fares Phone-only fares on this route — call free
Flight time details
1,188 miles nonstop takes roughly 3h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- YTH — Thompson Airport · Thompson, 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 YTH
- PIW · Pikwitonei Airport31 mi away
- YTD · Thicket Portage Airport34 mi away
- KES · Kelsey Airport55 mi away
- ZAC · York Landing Airport72 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 YTH from SEA?
The flight distance from Thompson (YTH) to Seattle (SEA) is 1,188 miles (1,912 km, 1,032 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YTH to SEA?
A nonstop flight takes about 3h 3m 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 Thompson and Seattle?
Seattle is 2 hours behind Thompson.
What is the cheapest way to fly from YTH to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTH–SEA that never appear on search engines, with no booking fees.