Need help booking?
Unpublished phone-only deals available
KEV to SEA: distance & flight time
Halli (Halli Airport) → Seattle (Seattle Tacoma International Airport)
4,668 mi
7,512 km · 4,056 nm
9h 37m
estimated nonstop flight time
-10h
time difference · heading northwest
See live KEV→SEA fares Phone-only fares on this route — call free
Flight time details
4,668 miles nonstop takes roughly 9h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- KEV — Halli Airport · Halli, Finland
- 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 KEV
- JYV · Jyvaskyla Airport47 mi away
- TMP · Tampere-Pirkkala Airport49 mi away
- QLF · Lahti Vesivehmaa Airport58 mi away
- MIK · Mikkeli Airport80 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 KEV from SEA?
The flight distance from Halli (KEV) to Seattle (SEA) is 4,668 miles (7,512 km, 4,056 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEV to SEA?
A nonstop flight takes about 9h 37m 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 Halli and Seattle?
Seattle is 10 hours behind Halli.
What is the cheapest way to fly from KEV to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEV–SEA that never appear on search engines, with no booking fees.