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Cheap flights from Seoul to San Francisco

One-way from $359, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Dec 6Any priceMon, Dec 7$365Tue, Dec 8Any priceWed, Dec 9$359Thu, Dec 10$425Fri, Dec 11Any priceSat, Dec 12Any priceSun, Dec 13Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$359
Air Premia, flight YP 111Found 3 days ago, 1 adult
Check live price
7:45pmSeoulWed, Dec 9
Travel time 10h 35m, nonstopICNSFO
1:20pmSan FranciscoWed, Dec 9
$365
Air Premia, flight YP 111Found 3 days ago, 1 adult
Check live price
7:45pmSeoulMon, Dec 7
Travel time 10h 35m, nonstopICNSFO
1:20pmSan FranciscoMon, Dec 7
$425
ZIPAIR, flight ZG 046Found 4 days ago, 1 adult
Check live price
1:05pmSeoulThu, Dec 10
Travel time 11h 35m, 1 stopICNSFO
7:40amSan FranciscoThu, Dec 10
$454
United Airlines, flight UA 892Found 4 days ago, 1 adult
Check live price
6:00pmSeoulSun, Nov 15
Travel time 10h 45m, nonstopICNSFO
11:45amSan FranciscoSun, Nov 15
$455
ZIPAIR, flight ZG 046Found yesterday, 1 adult
Check live price
1:05pmSeoulThu, Jan 28
Travel time 11h 45m, 1 stopICNSFO
7:50amSan FranciscoThu, Jan 28

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in San Francisco, booked ahead at a fixed price.
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  • Things to do in San FranciscoPopular tours from $35.10 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United States from EKTA; check what each policy covers.
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  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$47026–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2$4623$4624$4765$4636–7–8–9–10–11–12–13–14–15$45416–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1$5322$4933–4–5–6–7$3658–9$35910$42511–12–13–14–15–16–17–18–19–20–21–22–23–2425262728293031
$454 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 9, $359.

Lowest fares by month

In the fares found this week, December has the lowest: from $359 one-way, against $596 in March 2027. Pick a month to see its cheapest date.

  1. Oct$470
  2. Nov$454
  3. Dec$359
  4. Jan$455
  5. Febno fares yet
  6. Mar$596
  7. Aprno fares yet
  8. May$462
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$200$400$600OctNov$359DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$470Sun, Oct 25Nonstop
November$454Sun, Nov 15Nonstop
December$359Wed, Dec 9Nonstop
January 2027$455Fri, Jan 29Nonstop
February 2027—
March 2027$596Thu, Mar 181 stop
April 2027—
May 2027$462Fri, May 71 stop
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in San Francisco. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$470$454$359$455–$596–$462––––
High °C21°18°14°14°16°17°17°18°19°19°20°21°
Low °C12°10°8°8°9°9°10°11°12°12°13°13°
Precipitation mm24661211121118041185023

Source: San Francisco on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

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

In the fares found this week, December has the lowest: from $359 one-way, against $596 in March 2027.

What is the weather in San Francisco in December?

In December, the cheapest month to fly, the average daily high in San Francisco is 14 °C and the low 8 °C.

Are there direct flights from Seoul to San Francisco?

Yes. Recent fares include nonstop flights with Air Premia and United Airlines.

How long is the flight from Seoul to San Francisco?

A nonstop flight takes about 10h 35m. The distance is 5,645 mi.

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