Cheap flights from San Francisco to Seoul
One-way fares from $261, found recently by travellers. Plus what 5 days in Seoul costs once you land.
Cheapest dates we found
- 23 Mar2027SFO → ICNCathay Pacific · 1 stop · 19h$261one way
- 22 Mar2027SFO → ICNYP · Non-stop · 13h$322one way
- 17 Mar2027SFO → ICNYP · Non-stop · 13h$324one way
- 11 Jan2027SFO → ICNYP · Non-stop · 13h$324one way
- 9 Nov2026SFO → ICNUnited · 1 stop · 21h 22m$331one way
- 16 Mar2027SFO → ICNUnited · Non-stop · 12h 45m$343one way
- 9 Mar2027SFO → ICNUnited · Non-stop · 12h 50m$344one way
- 4 Nov2026SFO → ICNYP · Non-stop · 13h$345one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Lowest fare by month
Lowest one-way fare seen for each month. Months with no price had no recent searches.
Airlines on this route
Recent cheap fares were with Cathay Pacific, YP, United. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Seoul
April to May (spring) and September to November (autumn). Summers are hot and humid; winters are very cold.
Money-saving tips for Seoul
- Get a T-money card for the subway and buses; transfers within 30 minutes are discounted.
- Eat at markets like Gwangjang and in basement food courts of department stores.
- Many palaces are free if you wear hanbok (traditional dress), which you can rent nearby.
Questions
How much is a flight from San Francisco to Seoul?
The cheapest one-way fare we found recently was $261 with Cathay Pacific on 23 Mar 2027. Most of the fares we saw were between $261 and $345 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from San Francisco to Seoul?
The quickest flight in our recent results took 12h 45m non-stop.
Are there direct flights from San Francisco to Seoul?
Yes. YP, United had non-stop fares in our recent results, from $322.
What is the cheapest month to fly from San Francisco to Seoul?
In our recent results, March had the lowest fare ($261 one way). This is based on prices other travellers found, not a forecast.
How much money do I need for 5 days in Seoul?
About $280 for one backpacker, or $1,220 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $522 per person for a return flight from San Francisco.
More flights from San Francisco
- San Francisco → Hong Kong
- San Francisco → Taipei
- San Francisco → Tokyo
- San Francisco → Osaka
- All flights from San Francisco
Fly to Seoul from
- Hong Kong
- Taipei
- Tokyo
- Osaka
- New York
- Mexico City
- Shanghai
- Beijing
- Guangzhou
- Los Angeles
- Chicago
- Miami
- Toronto
- Vancouver
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.