Flights by month
Seoul to San Francisco flights, month by month (2026)
A typical return fare from Seoul to San Francisco for each of 7 months, from departures we researched across a year. February is the cheapest, at around Rp13.954.873. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Feb 2027, about Rp13.954.873
Jan 2027 costs about Rp4.650.034 more.
Researched fares: Rp13.775.788 to Rp28.770.721 per person over 55 checks, last on 2026-09-07. · Cheapest direct researched: Air Premia at Rp13.775.788.
From our own live checks: for each departure we sampled in the month, the cheapest return fare per person the newest check found, averaged. The same figures as the fare index, last checked 2026-09-06. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to San Francisco
- Fastest journey
- 11h 0m · Non-stop · Asiana Airlines
- Cheapest itinerary
- 40h 40m · 1 stop · Philippine Airlines
- Usually flown by
- Asiana Airlines, Korean Air, KLM, Qatar Airways
- Carbon, one way
- 410 kg CO₂
From the 50 fares we researched for a 2027-08-21 departure, checked 2026-09-07. Outbound journey times. Not a quote. How we work this out
Common questions
When is the cheapest month to fly from Seoul to San Francisco?
From what we captured across a year of departures, February is the cheapest month to fly Seoul to San Francisco, at around Rp13.954.873 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Seoul to San Francisco?
January is the dearest month we captured for Seoul to San Francisco, at around Rp18.604.907 return, about Rp4.650.034 more than the cheapest month.
How long is the flight from Seoul to San Francisco?
About 11h 0m non-stop, from the itineraries we captured for Seoul to San Francisco.
Which airlines fly from Seoul to San Francisco?
The fares we captured for Seoul to San Francisco were on Air Canada, China Airlines, United, Air Premia, among others.