Need help booking?
Unpublished phone-only deals available
WYS to SEA: distance & flight time
West Yellowstone (Yellowstone Airport) → Seattle (Seattle Tacoma International Airport)
569 mi
915 km · 494 nm
1h 42m
estimated nonstop flight time
-1h
time difference · heading northwest
See live WYS→SEA fares Phone-only fares on this route — call free
Flight time details
569 miles nonstop takes roughly 1h 42m 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
- WYS — Yellowstone Airport · West Yellowstone, United States
- 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 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 WYS from SEA?
The flight distance from West Yellowstone (WYS) to Seattle (SEA) is 569 miles (915 km, 494 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to SEA?
A nonstop flight takes about 1h 42m 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 WYS to SEA?
Nonstop service on WYS–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 42m nonstop estimate.
What is the time difference between West Yellowstone and Seattle?
Seattle is 1 hour behind West Yellowstone.
What is the cheapest way to fly from WYS to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–SEA that never appear on search engines, with no booking fees.
Why are some WYS to SEA fares phone-only?
Consolidator contracts let us sell certain WYS–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.