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Cheap flights from Santa Rosa to Seoul from $451

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Seoul departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Santa Rosa to Seoul

Cheap round-trip flights

Alaska Airlines Logo
2:41 pm - 6:35 pmSTS-ICN
34h 54m1 stop
Alaska Airlines Logo
8:35 pm - 9:52 pmICN-STS
18h 17m1 stop
$898Alaska Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Alaska Airlines Logo
2:41 pm - 6:35 pmSTS-ICN
34h 54m1 stop
Alaska Airlines Logo
8:35 pm - 9:52 pmICN-STS
18h 17m1 stop
$899Alaska Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Alaska Airlines Logo
2:41 pm - 6:35 pmSTS-ICN
34h 54m1 stop
Alaska Airlines Logo
8:35 pm - 1:29 pmICN-STS
33h 54m1 stop
$905Alaska Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 6
Logo
1:18 pm - 4:10 pmSTS-ICN
33h 52m1 stop
Logo
8:35 pm - 11:52 pmICN-STS
20h 17m2 stops
$962
Find Deal
Thu, Nov 27 - Thu, Dec 4
Alaska Airlines Logo
8:15 pm - 6:35 pmSTS-ICN
29h 20m1 stop
Alaska Airlines Logo
8:35 pm - 9:52 pmICN-STS
18h 17m1 stop
$977Alaska Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 8
Alaska Airlines Logo
8:15 pm - 6:35 pmSTS-ICN
29h 20m1 stop
Alaska Airlines Logo
8:35 pm - 1:29 pmICN-STS
33h 54m1 stop
$983Alaska Airlines
Find Deal
Wed, Nov 26 - Sun, Dec 7
American Airlines Logo
7:40 am - 4:45 pmSTS-ICN
40h 05m2 stops
American Airlines Logo
6:50 pm - 12:27 pmICN-STS
34h 37m2 stops
$1,031American Airlines
Find Deal
Mon, Nov 24 - Thu, Dec 4
American Airlines Logo
1:00 pm - 3:30 pmSTS-ICN
34h 30m2 stops
American Airlines Logo
5:25 pm - 11:33 pmICN-STS
46h 08m2 stops
$1,034American Airlines
Find Deal
Mon, Sep 29 - Sun, Oct 5
American Airlines Logo
12:25 pm - 3:30 pmSTS-ICN
35h 05m1 stop
American Airlines Logo
5:25 pm - 11:33 pmICN-STS
46h 08m2 stops
$1,035American Airlines
Find Deal
Mon, Sep 29 - Sun, Oct 5
American Airlines Logo
1:18 pm - 4:45 pmSTS-ICN
34h 27m1 stop
American Airlines Logo
6:50 pm - 12:27 pmICN-STS
34h 37m2 stops
$1,039American Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4

American Airlines flights from Santa Rosa to Incheon Intl Airport

Our best American Airlines deals on Santa Rosa to Incheon Intl Airport flight tickets
American Airlines
Nov 24
STS7:40 amSanta Rosa Sonoma County
40h 05m
2 stops
ICN4:45 pmIncheon Intl
Dec 4
ICN6:50 pmIncheon Intl
34h 37m
2 stops
STS12:27 pmSanta Rosa Sonoma County
$1,031
Find similar
American Airlines
Sep 29
STS1:00 pmSanta Rosa Sonoma County
34h 30m
2 stops
ICN3:30 pmIncheon Intl
Oct 5
ICN5:25 pmIncheon Intl
46h 08m
2 stops
STS11:33 pmSanta Rosa Sonoma County
$1,034
Find similar
American Airlines
Sep 29
STS12:25 pmSanta Rosa Sonoma County
35h 05m
1 stop
ICN3:30 pmIncheon Intl
Oct 5
ICN5:25 pmIncheon Intl
46h 08m
2 stops
STS11:33 pmSanta Rosa Sonoma County
$1,035
Find similar

Alaska Airlines flights from Santa Rosa to Incheon Intl Airport

Our best Alaska Airlines deals on Santa Rosa to Incheon Intl Airport flight tickets
Alaska Airlines
Nov 27
STS2:41 pmSanta Rosa Sonoma County
34h 54m
1 stop
ICN6:35 pmIncheon Intl
Dec 4
ICN8:35 pmIncheon Intl
18h 17m
1 stop
STS9:52 pmSanta Rosa Sonoma County
$898
Find similar
Alaska Airlines
Nov 27
STS2:41 pmSanta Rosa Sonoma County
34h 54m
1 stop
ICN6:35 pmIncheon Intl
Dec 4
ICN8:35 pmIncheon Intl
18h 17m
1 stop
STS9:52 pmSanta Rosa Sonoma County
$899
Find similar
Alaska Airlines
Nov 27
STS2:41 pmSanta Rosa Sonoma County
34h 54m
1 stop
ICN6:35 pmIncheon Intl
Dec 6
ICN8:35 pmIncheon Intl
33h 54m
1 stop
STS1:29 pmSanta Rosa Sonoma County
$905
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Santa Rosa to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 11/27

2:41 pm-6:35 pm

1 stop34h 54m

Incheon Intl

Thu 12/4

8:35 pm-9:52 pm

1 stop18h 17m

$898

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 11/27

2:41 pm-6:35 pm

1 stop34h 54m

Incheon Intl

Thu 12/4

8:35 pm-9:52 pm

1 stop18h 17m

$899

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 11/27

2:41 pm-6:35 pm

1 stop34h 54m

Incheon Intl

Sat 12/6

8:35 pm-1:29 pm

1 stop33h 54m

$905

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 11/27

1:18 pm-4:10 pm

1 stop33h 52m

Incheon Intl

Thu 12/4

8:35 pm-11:52 pm

2 stops20h 17m

$962

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/26

8:15 pm-6:35 pm

1 stop29h 20m

Incheon Intl

Mon 12/8

8:35 pm-9:52 pm

1 stop18h 17m

$977

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/26

8:15 pm-6:35 pm

1 stop29h 20m

Incheon Intl

Sun 12/7

8:35 pm-1:29 pm

1 stop33h 54m

$983

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Mon 11/24

7:40 am-4:45 pm

2 stops40h 05m

Incheon Intl

Thu 12/4

6:50 pm-12:27 pm

2 stops34h 37m

$1,031

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Mon 9/29

1:00 pm-3:30 pm

2 stops34h 30m

Incheon Intl

Sun 10/5

5:25 pm-11:33 pm

2 stops46h 08m

$1,034

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Mon 9/29

12:25 pm-3:30 pm

1 stop35h 05m

Incheon Intl

Sun 10/5

5:25 pm-11:33 pm

2 stops46h 08m

$1,035

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/26

1:18 pm-4:45 pm

1 stop34h 27m

Incheon Intl

Thu 12/4

6:50 pm-12:27 pm

2 stops34h 37m

$1,039

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Santa Rosa to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Santa Rosa to Incheon Intl Airport is on a Monday when prices can be found for as low as $813. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $904. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Santa Rosa to Incheon Intl Airport when you can find flight prices for as low as $742. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $860 on average. Flights to Incheon Intl Airport from Santa Rosa in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Santa Rosa to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santa Rosa to Incheon Intl Airport (STS to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Incheon Intl Airport

Direct flights

None
There are no direct flights from Santa Rosa to Incheon Intl Airport. There are no popular flight routes from Santa Rosa to Incheon Intl Airport.
Search flight deals

  • How far is Santa Rosa Sonoma County to Incheon Intl by plane?

    The straight-line distance from Santa Rosa Sonoma County to Incheon Intl is 5590.9 mi. By plane, this route typically takes 18h 35m.

  • When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Incheon Intl Airport?

    Prices for flights from Santa Rosa Sonoma County Airport to Incheon Intl Airport are updated daily.

  • How old do you have to be to fly from Santa Rosa Sonoma County Airport to Incheon Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Seoul?

Finding the right flight to Seoul from Santa Rosa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

Can I find flights from Santa Rosa to Seoul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Santa Rosa to Seoul flights to just show those with flexible booking policies.

How can momondo help me find flights from Santa Rosa to Seoul?

momondo helps you find the best flight between Santa Rosa and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Santa Rosa to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Santa Rosa to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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