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ITM to SEA: distance & flight time
Osaka (Osaka International Airport) → Seattle (Seattle Tacoma International Airport)
5,002 mi
8,050 km · 4,347 nm
10h 16m
estimated nonstop flight time
-16h
time difference · heading northeast
See live ITM→SEA fares Phone-only fares on this route — call free
Flight time details
5,002 miles nonstop takes roughly 10h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- ITM — Osaka International Airport · Osaka, Japan
- 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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 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 ITM from SEA?
The flight distance from Osaka (ITM) to Seattle (SEA) is 5,002 miles (8,050 km, 4,347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ITM to SEA?
A nonstop flight takes about 10h 16m 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 Osaka and Seattle?
Seattle is 16 hours behind Osaka.
What is the cheapest way to fly from ITM to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ITM–SEA that never appear on search engines, with no booking fees.