When to Fly to Seoul
Chuseok (Korean Thanksgiving)
Peak: September 25, 2026
Autumn Foliage
Peak: October 28, 2026
Fall foliage season
Peak: October 30, 2026
Seollal (Lunar New Year)
Peak: January 29, 2027
Seoul offers good value right now with a GO Score of 44
Frequently Asked Questions
How much do flights to Seoul cost?
Round-trip fares to Seoul have recently been found from around $436 from Seattle. Prices vary by origin city and time of year. We check fares daily from 1 US cities.
What is the cheapest month to fly to Seoul?
Flight prices to Seoul fluctuate throughout the year. Our GO Score algorithm tracks daily prices and flags when fares drop below average. Check back regularly as scores update daily, or browse our "When to Fly" section above for timing insights.
Which US city has the cheapest flights to Seoul?
Based on recent searches, Seattle (SEA) currently has the cheapest fares to Seoul at around $436 round-trip. That's 33% below the historical average.
What is the best time to visit Seoul?
The best time depends on your priorities. Our GO Score (currently 44/100) combines flight prices, weather, events, and currency rates to help you decide. Visit our best-time-to-visit guide for Seoul for a full breakdown.
How long is the flight to Seoul?
Flight times to Seoul vary depending on your departure city and whether you fly direct or with connections. Check individual route pages for more details and to compare fares from your nearest airport.
Fares found from Seattle (SEA). Prices may vary.