South Korea

$355+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
May 6 — May 131
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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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$659
(Kiwi.com)

One-way from

$355
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,021

Good round-trip deal

$722 or less

Good one-way deal

$379 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. 9% potential increase in price ($102 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sun 5/113:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 5/266:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 4/29$659
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 9/1211:45 pmSFO - ICN
Nonstop12h 35mUnited Airlines
Tue 9/1611:30 amICN - SFO
Nonstop10h 40mUnited Airlines
Deal found 4/29$660
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 9/248:00 amSFO - ICN
1 stop18h 35mHawaiian Airlines
Mon 10/278:35 pmICN - SFO
1 stop28h 36mHawaiian Airlines
Deal found 4/29$664
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Thu 9/185:45 pmICN - SFO
2 stops39h 56mMultiple Airlines
Deal found 4/30$666
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 10/49:40 pmSFO - ICN
1 stop28h 55mAlaska Airlines
Sat 10/188:35 pmICN - SFO
1 stop19h 08mAlaska Airlines
Deal found 4/29$681
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:00 pmSFO - ICN
1 stop33h 30mChina Eastern
Fri 5/236:25 pmICN - SFO
1 stop30h 40mChina Eastern
Deal found 4/29$682
This Jetabroad deal was found by Cheapflights users on 4/29. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:30 amSFO - ICN
Nonstop12h 30mAsiana Airlines
Tue 5/134:50 pmICN - SFO
Nonstop10h 40mAsiana Airlines
Deal found 4/29$692
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Mon 5/2612:00 pmSFO - GMP
1 stop31h 00mChina Eastern
Wed 6/412:00 pmGMP - SFO
1 stop37h 05mChina Eastern
Deal found 4/30$704
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Mon 8/1812:05 amSFO - ICN
1 stop29h 05mCathay Pacific
Tue 9/210:10 amICN - SFO
1 stop28h 45mCathay Pacific
Deal found 4/29$721
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 8/261:05 pmSFO - ICN
2 stops35h 00mAir Canada
Wed 9/175:45 pmICN - SFO
2 stops39h 56mAir Canada
Deal found 4/30$788
This CrystalTravel deal was found by Cheapflights users on 4/29. 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.
Thu 9/1812:50 pmSFO - ICN
Nonstop12h 30mKorean Air
Wed 10/87:20 pmICN - SFO
1 stop15h 58mKorean Air
Deal found 4/29$808
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/124:45 pmSFO - PUS
1 stop28h 30mMultiple Airlines
Wed 5/2110:05 pmPUS - SFO
2 stops38h 45mMultiple Airlines
Deal found 4/29$812

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 May 1, 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

Sun 5/11

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 5/26

6:20 pm-1:00 pm

Nonstop10h 40m

$659

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/12

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Tue 9/16

11:30 am-6:10 am

Nonstop10h 40m

$660

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 9/24

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Mon 10/27

8:35 pm-9:11 am

1 stop28h 36m

$664

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/18

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Thu 9/18

5:45 pm-5:41 pm

2 stops39h 56m

$666

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 10/15

9:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Sat 11/1

8:35 pm-11:43 pm

1 stop19h 08m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 5/12

12:00 pm-1:30 pm

1 stop33h 30m

Incheon Intl

Fri 5/23

6:25 pm-9:05 am

1 stop30h 40m

$682

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 5/15

10:30 am-3:00 pm

Nonstop12h 30m

Incheon Intl

Sun 6/1

4:50 pm-11:50 am

Nonstop11h 00m

$694

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/18

12:05 am-9:10 pm

1 stop29h 05m

Incheon Intl

Tue 9/2

10:10 am-10:55 pm

1 stop28h 45m

$721

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Thu 5/15

12:00 pm-7:50 pm

1 stop39h 50m

Seoul Gimpo Intl

Sun 6/15

8:50 pm-9:05 am

1 stop28h 15m

$751

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 8/26

1:05 pm-4:05 pm

2 stops35h 00m

Incheon Intl

Wed 9/17

5:45 pm-5:41 pm

2 stops39h 56m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 58 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 $1,001). 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 May 1, 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 May 1, 2025.

The most flights from SFO to KR0 are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 May 1, 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

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 $355. However, be on the lookout for offers from Cathay Pacific and WestJet, 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 Singapore Airlines (97%), Delta (82%) and Asiana Airlines (81%).

  • 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 $1,937, our data indicates the cheapest price to be $345. The most popular route (San Francisco - Incheon Intl), is priced around $607.

  • 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 $1,001). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$887FlexibilityNo cancel feeOn-time85%
AIR PREMIACheapest$637Average$905FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$651Average$752FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$656Average$988FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$853FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$675Average$1,075FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$785Average$1,104FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$789Average$964FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$814Average$890FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$924Average$1,150FlexibilityNo cancel feeOn-time70%

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