San Francisco → Seoul
Pingsme.com compares prices from 87 airlines on the San Francisco–Seoul route and highlights useful fare changes.
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About San Francisco to Seoul flights
Pingsme.com monitors airlines operating the San Francisco (SFO) to Seoul (ICN) route. We check prices regularly and surface useful drops and fare signals. Prices shown are per person, one-way, in economy class.

San Francisco to Seoul Incheon is a core transpacific link, carrying business travellers, students and a large Korean-American community flying to visit family.
Demand runs year-round while prices still follow Korea's seasons closely. Pingsme compares 87 airlines across 109 routes and refreshes this corridor every couple of hours.
When to fly to Seoul
September to November is the standout window — autumn foliage, clear skies, a perfect 15–22°C and the heart of festival season.
March to May brings cherry blossoms in early April and comfortable weather in the city's parks. December to February drops to −5 to 5°C but delivers ski season, winter festivals and the cheapest flights of the year.
On arrival: money, timezone, getting around
South Korea uses the Korean Won (KRW) and runs on UTC+9. Korean is the everyday language, with English signage across the transit network.
Use Naver Maps rather than Google Maps — Google's mapping is restricted in South Korea and navigates poorly. Pick up a T-money card at any convenience store; it works on buses, subways and even some taxis.
Where to stay and what to do
Hongdae is the budget, student-energy district, Myeongdong sits mid-range in the middle of the shopping, and Gangnam/Apgujeong holds the upmarket end.
Cover Gyeongbokgung Palace, Bukchon Hanok Village, N Seoul Tower on Namsan, and a Korean BBQ night in Mapo-gu. Pingsme's Seoul guide is at /en/destinations/seoul.
Booking tips for this route
- September – November is the best all-round window: foliage, clear skies, 15–22°C.
- December – February is coldest but usually the cheapest time to fly.
- Download Naver Maps before arrival — Google Maps does not navigate properly in South Korea.
- Get a T-money card at any convenience store for buses and subways.
- Fares refresh every couple of hours — recheck Pingsme before you book.
Content updated: 2026-07-25
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