South Korea

$330+ Cheap flights from San Francisco (SFO) to South Korea

SFO — ICN
Dec 4 — Dec 111
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Cheap flight deals from San Francisco to South Korea

Cheapest flights from San Francisco to South Korea

Wed 12/23:20 pm -
Nonstop13h 00m
Wed 12/237:45 pm -
Nonstop10h 35m
Deal found 11/2$647
Sun 11/13:20 pm -
Nonstop13h 00m
Sat 11/77:45 pm -
Nonstop10h 35m
Deal found 11/1$650
Fri 12/43:20 pm -
Nonstop13h 00m
Mon 12/217:45 pm -
Nonstop10h 35m
Deal found 11/1$652
Mon 11/2310:50 pm -
1 stop24h 35m
Mon 12/712:45 pm -
Nonstop10h 45m
Deal found 11/2$653
Wed 11/2510:20 am -
Nonstop12h 55m
Tue 2/1612:45 pm -
Nonstop10h 40m
Deal found 11/4$654
Mon 11/239:30 pm -
1 stop25h 55m
Thu 12/36:00 pm -
Nonstop10h 45m
Deal found 11/1$655
Sun 11/2211:45 pm -
Nonstop12h 55m
Mon 12/712:45 pm -
Nonstop10h 45m
Deal found 10/31$656
Sat 12/52:59 pm -
2 stops33h 46m
Sun 12/277:00 am -
1 stop19h 35m
Deal found 10/31$1,025
Thu 11/1910:40 pm -
1 stop28h 00m
Sat 11/288:40 pm -
1 stop40h 05m
Deal found 10/31$1,065
Sun 11/2910:55 pm -
1 stop27h 15m
Thu 12/38:00 pm -
1 stop17h 55m
Deal found 10/30$1,072
Tue 12/156:00 am -
2 stops21h 45m
Tue 12/2212:00 pm -
1 stop14h 35m
Deal found 10/31$1,105
Sun 11/811:10 pm -
1 stop19h 20m
Thu 11/126:55 pm -
1 stop17h 15m
Deal found 10/31$1,165

Find flight deals from San Francisco to South Korea

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$646
(Super.com)

One-way from

$330
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$777

Good round-trip deal

$742 or less

Good one-way deal

$363 or less
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
From San Francisco to South Korea
One-way flight from San Francisco to South Korea
Highest demand for flights based on searches. 20% potential increase in price ($225 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from San Francisco to South Korea.
Price to beat on a one-way flight from San Francisco to South Korea.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Francisco to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Tue 3/2

11:50 pm-5:40 am

Nonstop12h 50m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$349
Quickest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 4/7

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$349

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Tue 4/27

9:15 pm-3:20 pm

1 stop26h 05m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$353

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Sun 1/10

9:40 pm-4:25 pm

1 stop25h 45m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$353

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Fri 12/4

3:20 pm-9:20 pm

Nonstop13h 00m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$369

San FranciscoBusan

SFO San Francisco - PUS Busan Gimhae

SFOPUS

San Francisco

Sat 1/16

3:20 pm-9:50 am

2 stops49h 30m

Busan Gimhae

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$418

San FranciscoBusan

SFO San Francisco - PUS Busan Gimhae

SFOPUS

San Francisco

Mon 12/7

3:20 pm-9:50 am

2 stops25h 30m

Busan Gimhae

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$439

San FranciscoJeju City

SFO San Francisco - CJU Jeju City

SFOCJU

San Francisco

Wed 12/30

3:20 pm-8:05 pm

1 stop35h 45m

Jeju City

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$471

San FranciscoBusan

SFO San Francisco - PUS Busan Gimhae

SFOPUS

San Francisco

Thu 1/28

12:54 pm-7:10 am

2 stops49h 16m

Busan Gimhae

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$506

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Sat 4/10

10:50 pm-4:25 pm

1 stop25h 35m

Incheon Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 53 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from San Francisco with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San Francisco to South Korea

What is the cheapest month to book a flight from San Francisco to South Korea?

Currently, February is the cheapest month in which you can book a flight from San Francisco to South Korea (average of $700). Flying from San Francisco to South Korea in June is currently the most expensive (average of $1,362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to KR?

Unlike at noon, when flights are generally more expensive, you can save up to 7% on flights from San Francisco to South Korea by exploring options for tickets in the afternoon.

Weekly flight availability from San Francisco to South Korea

The most flights from SFO to KR0 are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from San Francisco to South Korea delayed?

About 23% of weekly flights between San Francisco and South Korea have experienced delays in the past year, with the average delay time being 227 minutes.

What is the most punctual flight time for San Francisco to South Korea flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to South Korea flights?

Over the last year, Asiana Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from San Francisco to South Korea?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from San Francisco to South Korea?

Travelers seeking maximum savings on their San Francisco to South Korea flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Korea

Get a feel of what it's like to fly with Korean Air,Asiana Airlines, andAIR PREMIA from San Francisco to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Related info for your journey

  • What airport do you fly from for flights from San Francisco to South Korea?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to South Korea. San Francisco is conveniently located just 11.0 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to South Korea?

    Airlines like United Airlines, Cathay Pacific, and Vietnam Airlines fly from San Francisco to South Korea in about 24h 35m. The time it takes to get you to your destination can typically vary by up to 16h 25m. Airlines will cover a distance of 5642 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Francisco to South Korea one-way?

    The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $307. However, be on the lookout for offers from WestJet and Japan Airlines, as they are both options that can get you from San Francisco to South Korea for a low price.

  • What are the most popular routes from San Francisco to South Korea?

  • What are the most reliable airlines from San Francisco to South Korea?

    The top 3 most reliable airlines when flying from San Francisco to South Korea are Thai Airways (88%), Singapore Airlines (88%) and United Airlines (72%).

  • What are the cheapest flights from San Francisco to South Korea?

    Looking for the cheapest flight from San Francisco to South Korea? While on average our users pay $1,969, our data indicates the cheapest price to be $325. The most popular route (San Francisco - Incheon Intl), is priced around $391.

  • Can I find deals for flights from San Francisco to South Korea that include hotel bookings?

    Yes. In addition to deals on San Francisco to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to South Korea.

  • Can I find deals for business class flights from San Francisco to South Korea?

    Yes. Cheapflights offers flight deals from San Francisco to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to South Korea?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to South Korea (average of $700). Flying from San Francisco to South Korea in June is currently the most expensive (average of $1,362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from San Francisco to South Korea

AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$219Average$611FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$460Average$1,152FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$598Average$681FlexibilityNo cancel feeOn-time79%
AIR PREMIACheapest$616Average$830FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$640Average$917FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$643Average$765FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$659Average$1,016FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$673Average$808FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$675Average$776FlexibilityNo cancel feeOn-time75%
ANACheapest$731Average$771FlexibilityNo cancel feeOn-time80%

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