South Korea

$357+ Cheap flights from San Francisco (SFO) to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
jun. 23 — jun. 301
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Cheap flight deals from San Francisco to South Korea

Keep the following information in mind while searching for San Francisco to South Korea flight deals. Data was last updated junio 18, 2025.

Round-trip from

$659
(United Airlines)

One-way from

$357
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,195

Good round-trip deal

$687 or less

Good one-way deal

$398 or less
From San Francisco to South Korea
One-way flight from San Francisco to South Korea
Highest demand for flights based on searches. 13% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in June 2025
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.

Find flight deals from San Francisco to South Korea

Cheapest flights from San Francisco to South Korea
Explore the most affordable flight options available from San Francisco to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/112:05 pmSFO - GMP
1 stop33h 00mAir China
vie. 11/72:25 pmGMP - SFO
1 stop36h 25mAir China
Deal found 6/16$639
This AIR PREMIA deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/103:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
lun. 9/16:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 6/15$659
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1810:40 amSFO - ICN
Nonstop12h 20mUnited Airlines
lun. 9/14:50 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 6/18$660
This Ovago deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/181:00 pmSFO - ICN
1 stop33h 15mAir China
sáb. 10/2510:50 amICN - SFO
1 stop15h 40mAir China
Deal found 6/15$661
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:00 amSFO - ICN
1 stop20h 35mHawaiian Airlines
sáb. 9/208:35 pmICN - SFO
1 stop16h 45mHawaiian Airlines
Deal found 6/16$671
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/187:43 pmSFO - ICN
1 stop30h 52mAlaska Airlines
sáb. 11/18:35 pmICN - SFO
1 stop15h 37mAlaska Airlines
Deal found 6/16$682
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/223:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
sáb. 10/119:05 pmICN - SFO
1 stop32h 52mMultiple Airlines
Deal found 6/17$703
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/112:00 pmSFO - ICN
1 stop31h 55mChina Eastern
jue. 11/208:55 amICN - SFO
1 stop17h 05mChina Eastern
Deal found 6/16$746
This CrystalTravel deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1411:30 pmSFO - ICN
Nonstop12h 30mAsiana Airlines
dom. 8/248:55 pmICN - SFO
Nonstop11h 05mAsiana Airlines
Deal found 6/18$753
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/271:05 pmSFO - ICN
2 stops35h 00mAir Canada
mié. 9/175:45 pmICN - SFO
1 stop13h 43mAir Canada
Deal found 6/16$776
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2012:00 pmSFO - GMP
1 stop39h 50mChina Eastern
mié. 9/2412:00 pmGMP - SFO
1 stop37h 05mChina Eastern
Deal found 6/17$778
This Gotogate deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/2412:05 amSFO - ICN
1 stop29h 05mCathay Pacific
dom. 8/313:10 pmICN - SFO
1 stop23h 45mCathay Pacific
Deal found 6/17$793

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 18, 2025.
Use the filters below to find and compare flights from San Francisco to South Korea that are best for you.

Fly from

San Francisco

Fly to

South Korea

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 8/10

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

lun. 9/1

6:20 pm-1:00 pm

Nonstop10h 40m

$659

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 8/18

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

lun. 9/1

4:50 pm-11:35 am

Nonstop10h 45m

$660

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 10/18

1:00 pm-2:15 pm

1 stop33h 15m

Incheon Intl

sáb. 10/25

10:50 am-10:30 am

1 stop15h 40m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 9/12

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

sáb. 9/20

8:35 pm-9:20 pm

1 stop16h 45m

$671

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 10/18

7:43 pm-6:35 pm

1 stop30h 52m

Incheon Intl

sáb. 11/1

8:35 pm-8:12 pm

1 stop15h 37m

$682

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 9/22

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

sáb. 10/11

9:05 pm-1:57 pm

1 stop32h 52m

$703

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 9/1

12:00 pm-11:55 am

1 stop31h 55m

Incheon Intl

jue. 11/20

8:55 am-9:00 am

1 stop17h 05m

$746

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 8/14

11:30 pm-4:00 am

Nonstop12h 30m

Incheon Intl

dom. 8/24

8:55 pm-4:00 pm

Nonstop11h 05m

$753

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mié. 8/27

1:05 pm-4:05 pm

2 stops35h 00m

Incheon Intl

mié. 9/17

5:45 pm-3:28 pm

1 stop13h 43m

$776

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 8/24

12:05 am-9:10 pm

1 stop29h 05m

Incheon Intl

dom. 8/31

3:10 pm-10:55 pm

1 stop23h 45m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 50 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $1,000). Flying from San Francisco to South Korea in December is currently the most expensive (average of $1,635). 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?

Find hourly flight availability from San Francisco to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 18, 2025.

When flying from San Francisco to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco to South Korea

Explore weekly flight availability from San Francisco to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 18, 2025.

The most flights from SFO to KR0 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated junio 18, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines 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.

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
8.3
Very good

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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 11.8 mi from San Francisco’s city center.

  • How popular is this San Francisco to South Korea flight route?

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

    The cheapest airline one-way is AIR PREMIA, with whom users have recently found tickets for as low as $357. However, be on the lookout for offers from WestJet and Vietnam 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 (93%), Singapore Airlines (93%) and AIR PREMIA (91%).

  • 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 $1,986, our data indicates the cheapest price to be $347. The most popular route (San Francisco - Incheon Intl), is priced around $608.

  • 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 $1,000). Flying from San Francisco to South Korea in December is currently the most expensive (average of $1,635). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from San Francisco to South Korea

Discover the top 10 airlines that operate flights from San Francisco to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$888FlexibilityNo cancel feeOn-time85%
AIR PREMIACheapest$627Average$823FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$651Average$752FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$655Average$891FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$809FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$675Average$1,075FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$779Average$1,039FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$789Average$955FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$809Average$878FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$833Average$869FlexibilityNo cancel feeOn-time81%

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