HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$451+ Cheap flights from Santa Rosa (STS) 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ICN
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to South Korea with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 septiembre 16, 2025.

Round-trip from

$892
(Alaska Airlines)

One-way from

$451
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$741
From Santa Rosa Sonoma County to South Korea
Search Deals
One-way flight from Santa Rosa Sonoma County to South Korea
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 septiembre 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 9/177:00 amSTS - ICN
1 stop19h 35mAlaska Airlines
jue. 9/258:35 pmICN - STS
1 stop15h 48mAlaska Airlines
Deal found 9/14$892
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 9/162:28 pmSTS - ICN
1 stop36h 07mAlaska Airlines
jue. 9/258:35 pmICN - STS
1 stop15h 48mAlaska Airlines
Deal found 9/14$899
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/2212:59 pmSTS - ICN
2 stops34h 31mAmerican Airlines
lun. 10/65:45 pmICN - STS
2 stops21h 48mAmerican Airlines
Deal found 9/14$1,021
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/224:19 pmSTS - ICN
2 stops31h 11mAmerican Airlines
mar. 10/75:45 pmICN - STS
1 stop34h 16mAmerican Airlines
Deal found 9/14$1,029
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2212:25 pmSTS - ICN
1 stop35h 05mAmerican Airlines
dom. 10/55:25 pmICN - STS
1 stop34h 36mAmerican Airlines
Deal found 9/16$1,032
This American Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 9/264:19 pmSTS - ICN
2 stops55h 11mAmerican Airlines
mar. 10/75:45 pmICN - STS
2 stops34h 36mAmerican Airlines
Deal found 9/14$1,040
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 11/241:18 pmSTS - ICN
1 stop34h 27mAmerican Airlines
lun. 12/17:15 pmICN - STS
2 stops37h 38mAmerican Airlines
Deal found 9/14$1,045
This American Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 9/264:19 pmSTS - ICN
2 stops55h 11mAmerican Airlines
dom. 10/55:25 pmICN - STS
2 stops46h 08mAmerican Airlines
Deal found 9/14$1,047
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 11/224:23 pmSTS - ICN
2 stops55h 22mAmerican Airlines
lun. 12/17:15 pmICN - STS
2 stops37h 38mAmerican Airlines
Deal found 9/14$1,050
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
dom. 9/217:00 amSTS - ICN
1 stop19h 35mAlaska Airlines
lun. 10/68:35 pmICN - STS
1 stop17h 31mAlaska Airlines
Deal found 9/16$1,075
This Japan Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 11/247:40 amSTS - GMP
2 stops21h 25mJapan Airlines
mar. 12/28:00 amGMP - STS
2 stops30h 52mJapan Airlines
Deal found 9/14$1,123
This Japan Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/2212:25 pmSTS - GMP
2 stops41h 25mMultiple Airlines
lun. 9/2912:05 pmGMP - STS
2 stops23h 07mMultiple Airlines
Deal found 9/14$1,934

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 septiembre 16, 2025.
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

vie. 9/26

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

lun. 10/6

8:35 pm-10:06 pm

1 stop17h 31m

$892

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

vie. 9/26

4:19 pm-3:30 pm

2 stops55h 11m

Incheon Intl

lun. 10/6

5:45 pm-11:33 pm

2 stops21h 48m

$1,034

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

vie. 9/26

4:19 pm-3:30 pm

2 stops55h 11m

Incheon Intl

dom. 10/5

5:25 pm-11:33 pm

2 stops46h 08m

$1,047

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

jue. 2/26

7:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

lun. 3/2

8:35 pm-9:58 pm

1 stop18h 23m

$1,100

Santa RosaSeoul

STS - GMP

STSGMP

Santa Rosa Sonoma County

lun. 11/24

7:40 am-10:05 pm

2 stops21h 25m

Seoul Gimpo Intl

mar. 12/2

8:00 am-9:52 pm

2 stops30h 52m

$1,123

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

vie. 9/26

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

sáb. 10/4

8:35 pm-10:06 pm

1 stop17h 31m

$1,150

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

vie. 9/26

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

dom. 10/5

8:35 pm-10:06 pm

1 stop17h 31m

$1,150

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

jue. 2/26

4:18 pm-4:45 pm

2 stops31h 27m

Incheon Intl

lun. 3/2

6:50 pm-12:14 pm

2 stops34h 24m

$1,264

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

jue. 12/25

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

jue. 1/8

8:35 pm-9:58 pm

1 stop18h 23m

$1,396

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

jue. 11/20

7:45 am-4:45 pm

2 stops40h 00m

Incheon Intl

lun. 12/1

7:15 pm-11:56 pm

2 stops21h 41m

$1,665

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 32 results
1
2
3
4

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, February is the cheapest month in which you can book a flight from Santa Rosa to South Korea (average of $989). Flying from Santa Rosa to South Korea in December is currently the most expensive (average of $1,621). 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 septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to South Korea as you normally would.

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?

    Alaska Airlines, American Airlines, and Japan Airlines can get you from Santa Rosa to South Korea in just under 19h 35m. Your travel time can differ by up to 35h 36m. 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, February is the cheapest month in which you can book a flight from Santa Rosa to South Korea (average of $989). Flying from Santa Rosa to South Korea in December is currently the most expensive (average of $1,621). 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 Santa Rosa to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
San Francisco to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Hong Kong flights
Los Angeles to Incheon Intl flights
Ontario to Narita flights
San Francisco to Suvarnabhumi flights
San Francisco to Mumbai flights
Los Angeles to Ho Chi Minh City flights
Los Angeles to Taiwan Taoyuan Intl flights
San Francisco to Ho Chi Minh City flights
Ontario to Haneda flights
Los Angeles to Kansai Intl flights
Los Angeles to Hong Kong flights
San Diego to Narita flights
Los Angeles to Hongqiao Intl flights
San Francisco to Incheon Intl flights
San Francisco to Bangalore flights
Ontario to Suvarnabhumi flights
Santa Ana to Haneda flights
Los Angeles to New Delhi flights
San Francisco to Hyderabad flights
Ontario to Manila flights
San Francisco to Hongqiao Intl flights
San Jose to New Delhi flights
Los Angeles to Pu Dong flights
Los Angeles to Mumbai flights
Oakland to New Delhi flights
Burbank to Narita flights
Los Angeles to Singapore flights
San Francisco to Sung Shan flights
San Francisco to Pu Dong flights
San Diego to Haneda flights
Los Angeles to Don Mueang Intl flights
Ontario to Taiwan Taoyuan Intl flights
Santa Ana to Narita flights
San Francisco to Kansai Intl flights
Los Angeles to Gimpo Intl flights
Burbank to Manila flights
Burbank to Suvarnabhumi flights
San Francisco to Singapore flights
Santa Ana to Suvarnabhumi flights
San Jose to Narita flights
San Jose to Haneda flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.