HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$863+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ICN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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.

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 October 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/246:00 amSTS - ICN
1 stop19h 35mAlaska Airlines
Thu 12/258:35 pmICN - STS
1 stop18h 42mAlaska Airlines
Deal found 10/29$1,378
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/232:24 pmSTS - ICN
1 stop35h 11mAlaska Airlines
Thu 12/258:35 pmICN - STS
1 stop18h 42mAlaska Airlines
Deal found 10/29$1,387
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/252:24 pmSTS - ICN
1 stop35h 11mAlaska Airlines
Sun 12/288:35 pmICN - STS
1 stop33h 57mAlaska Airlines
Deal found 10/29$1,473
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/252:24 pmSTS - ICN
1 stop35h 11mAlaska Airlines
Sat 12/278:35 pmICN - STS
2 stops29h 49mAlaska Airlines
Deal found 10/29$1,509
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/242:24 pmSTS - ICN
1 stop35h 11mAlaska Airlines
Sun 12/288:35 pmICN - STS
1 stop33h 57mAlaska Airlines
Deal found 10/29$1,515
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/252:24 pmSTS - ICN
1 stop35h 11mAlaska Airlines
Mon 12/298:35 pmICN - STS
1 stop18h 42mAlaska Airlines
Deal found 10/29$1,527
This Qatar Airways deal was found by Cheapflights users on 10/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:00 amSTS - ICN
2 stops41h 15mQatar Airways
Fri 11/146:30 pmICN - STS
2 stops44h 35mQatar Airways
Deal found 10/30$2,110
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:45 amSTS - ICN
2 stops40h 00mAmerican Airlines
Mon 11/177:15 pmICN - STS
2 stops31h 55mAmerican Airlines
Deal found 10/30$2,151
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:18 pmSTS - ICN
1 stop34h 27mAmerican Airlines
Wed 11/127:15 pmICN - STS
2 stops31h 55mAmerican Airlines
Deal found 10/30$2,166
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:37 pmSTS - ICN
2 stops59h 08mAmerican Airlines
Wed 11/127:15 pmICN - STS
2 stops31h 55mAmerican Airlines
Deal found 10/30$2,172
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:18 pmSTS - ICN
1 stop34h 27mAmerican Airlines
Wed 11/127:15 pmICN - STS
1 stop33h 51mAmerican Airlines
Deal found 10/30$2,177
This Japan Airlines deal was found by Cheapflights users on 10/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:00 amSTS - GMP
2 stops34h 55mJapan Airlines
Sat 12/278:00 amGMP - STS
2 stops24h 13mJapan Airlines
Deal found 10/29$3,680

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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$863
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$751
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. 10% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 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

Wed 3/25

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Wed 4/1

8:35 pm-9:51 pm

1 stop17h 16m

$863

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 3/25

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Mon 3/30

8:35 pm-2:20 pm

1 stop33h 45m

$869

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Sat 3/21

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Mon 3/30

8:35 pm-2:20 pm

1 stop33h 45m

$888

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 3/26

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Thu 4/2

8:35 pm-9:51 pm

1 stop17h 16m

$932

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 3/25

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Fri 4/3

8:35 pm-2:20 pm

1 stop33h 45m

$969

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Sat 2/14

7:59 pm-6:35 pm

1 stop29h 36m

Incheon Intl

Thu 2/19

8:35 pm-10:53 pm

1 stop19h 18m

$972

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Sat 3/21

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Fri 4/3

8:35 pm-2:20 pm

1 stop33h 45m

$987

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/11

7:50 am-6:35 pm

2 stops17h 45m

Incheon Intl

Fri 2/20

8:35 pm-12:08 pm

2 stops32h 33m

$1,003

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 3/25

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sat 4/4

8:35 pm-9:51 pm

1 stop17h 16m

$1,009

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 3/27

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Mon 3/30

8:35 pm-2:20 pm

1 stop33h 45m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 31 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, 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 $690). 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 October 30, 2025.

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?

    Alaska 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 1h 30m. The distance from Santa Rosa to South Korea is about 5584 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Santa Rosa to South Korea one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $1,045. However, be on the lookout for offers from American Airlines and Qatar Airways, as they are both options that can get you from Santa Rosa to South Korea for a low price.

  • 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 $690). 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
Los Angeles to Manila flights
San Francisco to Narita flights
Los Angeles to Suvarnabhumi flights
San Francisco to New Delhi flights
San Francisco to Manila flights
Ontario to Narita flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Suvarnabhumi flights
Los Angeles to Incheon Intl flights
Los Angeles to Taiwan Taoyuan Intl flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Hong Kong flights
San Francisco to Ho Chi Minh City flights
San Francisco to Mumbai flights
Ontario to Haneda flights
Santa Ana to Haneda flights
Los Angeles to Hong Kong flights
Los Angeles to Hongqiao Intl flights
San Diego to Narita flights
San Francisco to Incheon Intl flights
Ontario to Suvarnabhumi flights
San Jose to New Delhi flights
Ontario to Taiwan Taoyuan Intl flights
Ontario to Manila flights
Santa Ana to Narita flights
San Francisco to Hongqiao Intl flights
Los Angeles to Kansai Intl flights
Los Angeles to Pu Dong flights
Oakland to New Delhi flights
San Jose to Haneda flights
Los Angeles to Singapore flights
Los Angeles to Don Mueang Intl flights
San Francisco to Sung Shan flights
San Francisco to Hyderabad flights
San Jose to Narita flights
San Francisco to Pu Dong flights
San Francisco to Bangalore flights
Los Angeles to Mumbai flights
Los Angeles to Sung Shan flights
Los Angeles to New Delhi flights
San Diego to Haneda flights
Los Angeles to Gimpo Intl flights
Santa Ana to Manila flights
Ontario to Ho Chi Minh City flights
San Francisco to Capital flights
Burbank to Suvarnabhumi flights
San Francisco to Singapore 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.