Seoul (Incheon) to Seattle Flights
Everything you need to know about the ICN → SEA international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Seoul (Incheon) to Seattle route
🛫 Airlines on This Route
Carriers operating ICN → 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 Seoul (Incheon) to Seattle flights
Best Days to Fly
Midweek departures (Tuesday–Thursday) are generally least expensive
Fare Range
$470-$2050 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 ICN → SEA route
- 1 Cathay Pacific offers premium products on Hong Kong routes.
- 2 Japan requires no visa for US citizens for stays up to 90 days.
- 3 At 5,204 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 ICN → 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 — Seoul (Incheon) to Seattle Flights
How long is the flight from Seoul (Incheon) to Seattle?
The average flight time from Seoul (Incheon) (ICN) to Seattle (SEA) is 10h 10m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Seoul (Incheon) to Seattle?
Airlines operating the ICN 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 Seoul (Incheon) from Seattle?
The great-circle distance from Seoul (Incheon) to Seattle is 5,204 miles (8,375 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Seoul (Incheon) to Seattle?
Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $470-$2050 round trip.
Is there a time zone change flying from Seoul (Incheon) to Seattle?
Yes — there is a -16 hours when flying from Seoul (Incheon) to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Seoul (Incheon) to Seattle?
Yes, overnight (red-eye) flights are available on the ICN 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 Seoul (Incheon) to Seattle flight in real time?
TripTrack automatically tracks your ICN 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.