Need help booking?
Unpublished phone-only deals available
IST to SEA: distance & flight time
Istanbul (Istanbul Airport) → Seattle (Seattle Tacoma International Airport)
6,055 mi
9,745 km · 5,262 nm
12h 20m
estimated nonstop flight time
-10h
time difference · heading north
See live IST→SEA fares Phone-only fares on this route — call free
Flight time details
6,055 miles nonstop takes roughly 12h 20m gate to gate, flying north. 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
- IST — Istanbul Airport · Istanbul, Turkey
- 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 IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 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 IST from SEA?
The flight distance from Istanbul (IST) to Seattle (SEA) is 6,055 miles (9,745 km, 5,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to SEA?
A nonstop flight takes about 12h 20m 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 Istanbul and Seattle?
Seattle is 10 hours behind Istanbul.
What is the cheapest way to fly from IST to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–SEA that never appear on search engines, with no booking fees.