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$430+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ICN
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This Qatar Airways deal was found by Cheapflights users on 12/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSTS - ICN
2 stops42h 15mMultiple Airlines
Sat 12/2712:20 amICN - STS
2 stops40h 58mMultiple Airlines
Deal found 12/16$3,343
This Qatar Airways deal was found by Cheapflights users on 12/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:00 amSTS - ICN
3 stops54h 30mQatar Airways
Sat 12/2712:20 amICN - STS
2 stops40h 58mQatar Airways
Deal found 12/16$4,219

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 December 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$822
(Alaska Airlines)

One-way from

$430
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$1,279
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
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From Santa Rosa Sonoma County to South Korea
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One-way flight from Santa Rosa Sonoma County to South Korea
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Highest demand for flights based on searches. 9% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 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

Thu 1/15

9:33 pm-6:35 pm

1 stop28h 02m

Incheon Intl

Mon 1/19

8:35 pm-11:59 pm

1 stop20h 24m

$822

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 2/5

9:33 pm-6:35 pm

1 stop28h 02m

Incheon Intl

Fri 3/6

8:35 pm-11:50 pm

1 stop20h 15m

$822

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 2/6

9:33 pm-6:35 pm

1 stop28h 02m

Incheon Intl

Sat 3/7

8:35 pm-9:52 pm

1 stop18h 17m

$822

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 2/5

9:33 pm-6:35 pm

1 stop28h 02m

Incheon Intl

Sun 3/1

8:35 pm-11:50 pm

1 stop20h 15m

$822

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/4

6:50 am-6:35 pm

2 stops42h 45m

Incheon Intl

Fri 3/6

8:35 pm-9:14 am

2 stops29h 39m

$1,055

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Tue 2/3

6:50 am-6:35 pm

2 stops42h 45m

Incheon Intl

Fri 3/6

8:35 pm-9:14 am

2 stops29h 39m

$1,055

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/4

6:50 am-6:35 pm

2 stops42h 45m

Incheon Intl

Sun 3/1

8:35 pm-9:14 am

2 stops53h 39m

$1,072

Santa RosaSeoul

STS - GMP

STSGMP

Santa Rosa Sonoma County

Thu 1/29

7:00 am-10:05 pm

2 stops22h 05m

Seoul Gimpo Intl

Thu 2/5

12:05 pm-10:58 pm

2 stops27h 53m

$1,110

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/4

7:00 am-3:40 pm

2 stops39h 40m

Incheon Intl

Wed 3/4

8:50 am-11:50 pm

2 stops56h 00m

$1,396

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 2/4

11:15 am-10:30 am

2 stops30h 15m

Incheon Intl

Wed 3/4

12:20 am-11:50 pm

2 stops40h 30m

$1,736

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 32 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 $507). Flying from Santa Rosa to South Korea in June is currently the most expensive (average of $664). 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 December 16, 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?

    Japan Airlines can get you from Santa Rosa to South Korea in just under 22h 50m. Your travel time can differ by up to . The distance from Santa Rosa to South Korea is about 5564 mi.

  • 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 $507). Flying from Santa Rosa to South Korea in June is currently the most expensive (average of $664). 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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