Need help booking?
Unpublished phone-only deals available
IAS to SEA: distance & flight time
Iasi (Iaşi Airport) → Seattle (Seattle Tacoma International Airport)
5,652 mi
9,096 km · 4,912 nm
11h 33m
estimated nonstop flight time
-10h
time difference · heading north
See live IAS→SEA fares Phone-only fares on this route — call free
Flight time details
5,652 miles nonstop takes roughly 11h 33m 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
- IAS — Iaşi Airport · Iasi, Romania
- 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 IAS
- BZY · Bălți International Airport46 mi away
- BCM · Bacău Airport56 mi away
- KIV · Chişinău International Airport64 mi away
- SCV · Suceava Stefan cel Mare Airport69 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 IAS from SEA?
The flight distance from Iasi (IAS) to Seattle (SEA) is 5,652 miles (9,096 km, 4,912 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAS to SEA?
A nonstop flight takes about 11h 33m 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 Iasi and Seattle?
Seattle is 10 hours behind Iasi.
What is the cheapest way to fly from IAS to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAS–SEA that never appear on search engines, with no booking fees.