- Cheapest fare
- $379
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 10h 35m
Air Premia · Sun, Dec 20
from $379
United Airlines and Air Premia
9,030 km
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Cheapest month to fly from Seoul to San Francisco
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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Getting around
About flights from Seoul to San Francisco
Seoul (SEL) and San Francisco (SFO) are about 9,030 km apart. Direct flights take around 10h 35m, and recent direct fares were with United Airlines and Air Premia. Over the next few months, one-way fares start from $379, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Seoul to San Francisco?
The cheapest one-way fare we've seen recently is $379 with Air Premia, departing Sunday, December 20, 2026. Over the coming months, the lowest fare in each month ranges from $379 to $515.
What is the cheapest month to fly from Seoul to San Francisco?
December 2026 currently has the lowest fares, from $379 one way.
Are there direct flights from Seoul to San Francisco?
Yes. Recent direct fares were with United Airlines and Air Premia.
How long is the flight from Seoul to San Francisco?
A direct flight takes about 10h 35m. Seoul and San Francisco are around 9,030 km apart.
Which airlines fly from Seoul to San Francisco?
Recent fares on this route were with United Airlines, Air Premia and Air Canada.
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