Osaka (Kansai) to Seattle Flights
Everything you need to know about the KIX → SEA international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Osaka (Kansai) to Seattle route
🛫 Airlines on This Route
Carriers operating KIX → SEA flights
| Airline | Notes |
|---|---|
| Cathay Pacific | Primary carrier on this route |
| Japan Airlines | Operates this route |
| ANA | Operates this route |
| Korean Air | Operates this route |
| Asiana Airlines | Operates this route |
| China Southern | Operates this route |
💡 Booking Tips
How to get the best deal on Osaka (Kansai) to Seattle flights
Best Days to Fly
Tuesday and Thursday tend to have lower demand and better fares
Fare Range
$450-$1980 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the KIX → SEA route
- 1 Narita and Haneda serve Tokyo; verify which airport your flight uses.
- 2 Air China is the flag carrier with the most Beijing connections.
- 3 At 5,028 miles, consider Premium Economy for extra comfort on this long-haul flight.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your KIX → SEA Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Osaka (Kansai) to Seattle Flights
How long is the flight from Osaka (Kansai) to Seattle?
The average flight time from Osaka (Kansai) (KIX) to Seattle (SEA) is 9h 50m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Osaka (Kansai) to Seattle?
Airlines operating the KIX to SEA route include Cathay Pacific, Japan Airlines, ANA and 3 more. Check each airline's website for current schedules and availability.
How far is Osaka (Kansai) from Seattle?
The great-circle distance from Osaka (Kansai) to Seattle is 5,028 miles (8,091 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Osaka (Kansai) to Seattle?
Tuesday and Thursday tend to have lower demand and better fares. Fares on this route typically range $450-$1980 round trip.
Is there a time zone change flying from Osaka (Kansai) to Seattle?
Yes — there is a -16 hours when flying from Osaka (Kansai) to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Osaka (Kansai) to Seattle?
Yes, overnight (red-eye) flights are available on the KIX to SEA route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my Osaka (Kansai) to Seattle flight in real time?
TripTrack automatically tracks your KIX to SEA flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.