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$951+ Cheap flights from Santa Rosa (STS) to South Korea

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ICN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Santa Rosa to South Korea

Cheapest flights from Santa Rosa to South Korea
Explore the most affordable flight options available from Santa Rosa to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 3/206:53 pm
STS
-
ICN
1 stop31h 42m
Multiple Airlines
Sun 3/298:35 pm
ICN
-
STS
1 stop29h 55m
Multiple Airlines
Deal found 1/25$951
This flugladen.de deal was found by Cheapflights users on 1/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:15 am
STS
-
ICN
2 stops35h 45m
Multiple Airlines
Sun 2/155:55 pm
ICN
-
STS
2 stops22h 55m
Multiple Airlines
Deal found 1/26$1,037
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 3/206:53 pm
STS
-
ICN
1 stop31h 42m
Multiple Airlines
Mon 3/308:35 pm
ICN
-
STS
1 stop29h 55m
Multiple Airlines
Deal found 1/25$1,075
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 4/97:30 am
STS
-
ICN
2 stops19h 05m
Multiple Airlines
Mon 4/138:35 pm
ICN
-
STS
1 stop29h 55m
Multiple Airlines
Deal found 1/26$1,108
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:10 pm
STS
-
ICN
2 stops32h 30m
Cathay Pacific
Mon 4/131:40 pm
ICN
-
STS
2 stops45h 33m
Cathay Pacific
Deal found 1/26$1,119
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 3/1911:10 am
STS
-
ICN
1 stop15h 25m
Multiple Airlines
Sun 3/298:35 pm
ICN
-
STS
1 stop29h 55m
Multiple Airlines
Deal found 1/25$1,210
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 3/1911:10 am
STS
-
ICN
1 stop15h 25m
Multiple Airlines
Mon 3/308:35 pm
ICN
-
STS
1 stop29h 55m
Multiple Airlines
Deal found 1/25$1,334
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:10 pm
STS
-
ICN
2 stops35h 45m
American Airlines
Mon 3/305:40 pm
ICN
-
STS
2 stops46h 19m
American Airlines
Deal found 1/25$1,357
This lastminute.com deal was found by Cheapflights users on 1/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 am
STS
-
GMP
2 stops34h 55m
Japan Airlines
Sun 2/157:40 pm
GMP
-
STS
2 stops45h 10m
Japan Airlines
Deal found 1/26$1,577
This FlightHub deal was found by Cheapflights users on 1/26. 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.
Thu 4/97:05 am
STS
-
GMP
2 stops35h 40m
Japan Airlines
Mon 4/137:55 am
GMP
-
STS
2 stops27h 18m
Japan Airlines
Deal found 1/26$2,719
This Japan Airlines deal was found by Cheapflights users on 1/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:05 am
STS
-
GMP
2 stops22h 45m
Japan Airlines
Sat 4/2512:05 pm
GMP
-
STS
2 stops26h 56m
Japan Airlines
Deal found 1/27$7,702
This Japan Airlines deal was found by Cheapflights users on 1/25. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am
STS
-
GMP
2 stops22h 05m
Japan Airlines
Wed 11/1812:05 pm
GMP
-
STS
2 stops23h 02m
Japan Airlines
Deal found 1/25$7,910

Find flight deals from Santa Rosa to South Korea

Keep the following information in mind while searching for Santa Rosa to South Korea flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$951
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$702
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
Search Deals
From Santa Rosa Sonoma County to South Korea
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa 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 January 28, 2026.
Use the filters below to find and compare flights from Santa Rosa to South Korea that are best for you.

Fly from

Santa Rosa

Fly to

South Korea

Route

Depart

Return

Price

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/11

11:15 am-4:00 pm

2 stops35h 45m

Incheon Intl

Sun 2/15

5:55 pm-11:50 pm

2 stops22h 55m

$1,037

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 3/20

6:53 pm-6:35 pm

1 stop31h 42m

Incheon Intl

Mon 3/30

8:35 pm-10:30 am

1 stop29h 55m

$1,075

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 4/9

12:10 pm-12:40 pm

2 stops32h 30m

Incheon Intl

Mon 4/13

1:40 pm-7:13 pm

2 stops45h 33m

$1,119

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 3/19

11:10 am-6:35 pm

1 stop15h 25m

Incheon Intl

Sun 3/29

8:35 pm-10:30 am

1 stop29h 55m

$1,210

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 3/20

8:02 pm-6:35 pm

2 stops30h 33m

Incheon Intl

Sun 3/29

8:35 pm-10:30 am

1 stop29h 55m

$1,260

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 3/19

11:10 am-6:35 pm

1 stop15h 25m

Incheon Intl

Mon 3/30

8:35 pm-10:30 am

1 stop29h 55m

$1,334

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 3/19

12:10 pm-3:55 pm

2 stops35h 45m

Incheon Intl

Mon 3/30

5:40 pm-11:59 pm

2 stops46h 19m

$1,357

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 3/20

4:23 pm-3:55 pm

2 stops31h 32m

Incheon Intl

Mon 3/30

5:40 pm-11:59 pm

2 stops46h 19m

$1,357

Santa RosaSeoul

STS - GMP

STSGMP

Santa Rosa Sonoma County

Wed 2/11

7:00 am-10:55 am

2 stops34h 55m

Seoul Gimpo Intl

Sun 2/15

7:40 pm-11:50 pm

2 stops45h 10m

$1,577

Santa RosaSeoul

STS - GMP

STSGMP

Santa Rosa Sonoma County

Thu 4/9

7:05 am-10:45 am

2 stops35h 40m

Seoul Gimpo Intl

Mon 4/13

7:55 am-7:13 pm

2 stops27h 18m

$2,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 23 results
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Best time to book a flight from Santa Rosa to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Santa Rosa 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 Santa Rosa to South Korea

What is the cheapest month to book a flight from Santa Rosa to South Korea?

Currently, May is the cheapest month in which you can book a flight from Santa Rosa to South Korea (average of $509). Flying from Santa Rosa to South Korea in June is currently the most expensive (average of $661). 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 STS to KR?

Find hourly flight availability from Santa Rosa 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 January 28, 2026.

It’s typically best to fly out from Santa Rosa to South Korea in the morning. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa 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 Santa Rosa to South Korea?

    For a flight from Santa Rosa to South Korea, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city.

  • How long is the flight from Santa Rosa to South Korea?

    Cathay Pacific and Japan Airlines can get you from Santa Rosa to South Korea in just under 32h 30m. Your travel time can differ by up to 2h 25m. The distance from Santa Rosa to South Korea is about 5584 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Santa Rosa to South Korea?

    The most popular flight routes from Santa Rosa to South Korea are Santa Rosa Sonoma County - Incheon Intl, Santa Rosa Sonoma County - Seoul Gimpo Intl and Santa Rosa Sonoma County - Jeju City.

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

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

  • How can I find direct flights from Santa Rosa to South Korea?

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

  • Can I find deals for business class flights from Santa Rosa to South Korea?

    Yes. Cheapflights offers flight deals from Santa Rosa 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 Santa Rosa to South Korea?

    Currently, May is the cheapest month in which you can book a flight from Santa Rosa to South Korea (average of $509). Flying from Santa Rosa to South Korea in June is currently the most expensive (average of $661). 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

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