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HDN to SEA: distance & flight time
Hayden (Yampa Valley Airport) → Seattle (Seattle Tacoma International Airport)
889 mi
1,431 km · 773 nm
2h 24m
estimated nonstop flight time
-1h
time difference · heading northwest
See live HDN→SEA fares Phone-only fares on this route — call free
Flight time details
889 miles nonstop takes roughly 2h 24m 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
- HDN — Yampa Valley Airport · Hayden, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 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 HDN from SEA?
The flight distance from Hayden (HDN) to Seattle (SEA) is 889 miles (1,431 km, 773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to SEA?
A nonstop flight takes about 2h 24m 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 HDN to SEA?
Nonstop service on HDN–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 2h 24m nonstop estimate.
What is the time difference between Hayden and Seattle?
Seattle is 1 hour behind Hayden.
What is the cheapest way to fly from HDN to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–SEA that never appear on search engines, with no booking fees.
Why are some HDN to SEA fares phone-only?
Consolidator contracts let us sell certain HDN–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.