How much do flights from San Francisco to Seoul cost?

Round-trip fares from San Francisco to Seoul have recently been found around $342. That's 50% below the historical average. Prices are checked multiple times daily.

When is the best time to fly to Seoul?

Right now is notable because: Hangul Day. The current travel window is Oct 9 – Oct 9, and Seoul has a GO Score of 69/100.

Is Seoul safe to visit?

Seoul is a popular travel destination, but safety depends on the specific area and current local conditions. Always check your government's official travel advisories before booking, and follow local guidance once on the ground. Our GO Score tracks flights, weather, currency, and events — not safety directly.

How many hours is the flight from San Francisco to Seoul?

Most flights from San Francisco to Seoul take 12 to 16 hours, depending on the route, layovers, and whether you fly direct. Check individual airline listings for the exact flight duration from your chosen airport.

What's the cheapest month to visit Seoul?

Flight prices to Seoul fluctuate throughout the year. Recent fares from San Francisco have been found from around $342, 50% below the historical average. Our GO Score updates daily and flags when prices drop below average — bookmark this page to catch the cheapest window.