Quick Facts: Seattle to Seoul
- Average Fare
- $1192
- 5-Year Average
- $1045
- Lowest Recorded
- $584
- Flight Time
- 10h 58m
- Distance
- 8,375 km
- Best Quarter
- Q2 (Apr-Jun)
- Price Trend
- rising
- Data Source
- T-100
Route Traffic Data
Traffic data from BTS T-100 International; prices estimated based on distance and market factors.
Search Flights
Avg. $1192Compare prices across booking sites. Prices vary by date and availability.
About Seattle to Seoul Flights
Discover the best flights from Seattle to Seoul, covering 8,375 km in approximately 10h 58m. Seattle (SEA) to Seoul (ICN) is one of the major long-haul routes connecting United States and South Korea. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Seoul.
Price Trend Estimate
T-100 TrafficBest Time to Fly
Best Quarter
Q2 (Apr-Jun)
Lowest average fares
Peak Season
Q1 (Jan-Mar)
Highest average fares
Book in Advance
87 days
For best prices
Price Analysis
Current prices are 14% above 5-year average. The best time to book flights from Seattle to Seoul is during Q2 (Apr-Jun).
Booking Tips
For the best prices on Seattle to Seoul flights, we recommend booking 180 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
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Airlines Serving This Route
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seattle → Seoul
Seattle-Tacoma International (SEA) to Gimpo International (GMP)
Distance: 8,346 km
Average price: $1757
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Frequently Asked Questions
How long is the flight from Seattle to Seoul?
The flight time from Seattle (SEA) to Seoul (ICN) is approximately 10 hours and 58 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Seattle and Seoul?
The aerial distance between Seattle and Seoul is 8,375 kilometers (5,204 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Seattle to Seoul?
Several airlines operate flights between Seattle and Seoul, including Delta Air Lines, Alaska Airlines, Korean Air and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Seattle to Seoul?
Based on historical data, February typically offers the lowest airfares for flights from Seattle to Seoul. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seoul?
For the best prices on Seattle to Seoul flights, we recommend booking 107 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Seattle to Seoul?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to South Korea should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Seattle and Seoul?
Seattle operates on America/Los_Angeles time zone, while Seoul is in the Asia/Seoul time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.