Cheap flights from San Francisco to Seoul

One-way fares from $258 · SFO → SEL · prices found by travellers in the last 48 hours

Cheapest fare
$258

Cathay Pacific · Tue, Apr 6

Cheapest month
April

from $258

Direct flights
Yes

Air Premia

Flight time
13h 00m

9,030 km

Get a price alert

We'll email you when San Francisco → Seoul drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $258. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from San Francisco to Seoul

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $353
  2. December 2026 $369
  3. January 2027 $327
  4. March 2027 $270
  5. April 2027 Cheapest $258

Cheapest dates in April 2027

The lowest fares we've seen for each day, cheapest first.

Cathay Pacific
Depart13:00 Tue, Apr 6SFO → ICN 18h 35m · 1 stop
$258one way, per person
View deal
See every date in April 2027 →

Plan the rest of your trip to Seoul

Where to stay, what to do and getting around, from our travel partners.

About flights from San Francisco to Seoul

San Francisco (SFO) and Seoul (SEL) are about 9,030 km apart. Direct flights take around 13h 00m, and recent direct fares were with Air Premia. Over the next few months, one-way fares start from $258, and April 2027 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 San Francisco to Seoul?

The cheapest one-way fare we've seen recently is $258 with Cathay Pacific, departing Tuesday, April 6, 2027. Over the coming months, the lowest fare in each month ranges from $258 to $369.

What is the cheapest month to fly from San Francisco to Seoul?

April 2027 currently has the lowest fares, from $258 one way.

Are there direct flights from San Francisco to Seoul?

Yes. Recent direct fares were with Air Premia.

How long is the flight from San Francisco to Seoul?

A direct flight takes about 13h 00m. San Francisco and Seoul are around 9,030 km apart.

Which airlines fly from San Francisco to Seoul?

Recent fares on this route were with Air Premia, Philippine Airlines and Cathay Pacific.

More cheap flights from San Francisco

Compare flights to Seoul from other cities →