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Cheap flights from Santa Rosa to Seoul from $505

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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Santa Rosa to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:50 pm - 5:55 pm
STS
-
ICN
32h 05m
2 stops
Delta Logo
6:35 pm - 4:08 pm
ICN
-
STS
14h 33m
1 stop
$940Delta
Wed, Nov 4 - Thu, Nov 12
Delta Logo
11:29 am - 4:20 pm
STS
-
ICN
35h 51m
1 stop
Delta Logo
6:35 pm - 4:08 pm
ICN
-
STS
14h 33m
1 stop
$941Delta
Wed, Nov 4 - Fri, Nov 13
Delta Logo
11:29 am - 4:20 pm
STS
-
ICN
35h 51m
1 stop
Delta Logo
6:35 pm - 4:08 pm
ICN
-
STS
14h 33m
1 stop
$942Delta
Wed, Nov 4 - Fri, Nov 13
Delta Logo
11:29 am - 3:20 pm
STS
-
ICN
35h 51m
1 stop
Delta Logo
7:20 pm - 10:49 am
ICN
-
STS
31h 29m
1 stop
$946Delta
Wed, Oct 7 - Fri, Oct 16
Delta Logo
4:50 pm - 5:55 pm
STS
-
ICN
32h 05m
2 stops
Delta Logo
6:45 pm - 10:39 am
ICN
-
STS
32h 54m
2 stops
$952Delta
Fri, Nov 6 - Fri, Nov 13
Alaska Airlines Logo
7:03 am - 5:30 pm
STS
-
ICN
18h 27m
1 stop
Alaska Airlines Logo
7:35 pm - 9:59 pm
ICN
-
STS
18h 24m
1 stop
$1,106Alaska Airlines
Mon, Sep 14 - Thu, Oct 1
Alaska Airlines Logo
5:34 pm - 5:30 pm
STS
-
ICN
31h 56m
1 stop
Alaska Airlines Logo
7:35 pm - 9:59 pm
ICN
-
STS
18h 24m
1 stop
$1,112Alaska Airlines
Tue, Sep 15 - Wed, Sep 30
Alaska Airlines Logo
12:52 pm - 5:30 pm
STS
-
ICN
36h 38m
1 stop
Alaska Airlines Logo
7:35 pm - 12:46 pm
ICN
-
STS
33h 11m
1 stop
$1,119Alaska Airlines
Tue, Aug 18 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 5:15 pm
STS
-
ICN
41h 15m
2 stops
Multiple Airlines Logo
12:20 am - 9:57 pm
ICN
-
STS
38h 37m
2 stops
$1,148Multiple Airlines
Tue, Nov 3 - Thu, Nov 12
Alaska Airlines Logo
7:03 am - 5:30 pm
STS
-
ICN
18h 27m
1 stop
Alaska Airlines Logo
7:35 pm - 9:59 pm
ICN
-
STS
18h 24m
1 stop
$1,156Alaska Airlines
Thu, Aug 20 - Fri, Sep 11

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Delta flights from Santa Rosa to Incheon Intl Airport

Our best Delta deals on Santa Rosa to Incheon Intl Airport flight tickets
Delta
Nov 4
STS4:50 pmSanta Rosa Sonoma County
32h 05m
2 stops
ICN5:55 pmIncheon Intl
Nov 13
ICN6:35 pmIncheon Intl
14h 33m
1 stop
STS4:08 pmSanta Rosa Sonoma County
$940
Delta
Nov 4
STS11:29 amSanta Rosa Sonoma County
35h 51m
1 stop
ICN4:20 pmIncheon Intl
Nov 13
ICN6:35 pmIncheon Intl
14h 33m
1 stop
STS4:08 pmSanta Rosa Sonoma County
$941
Delta
Nov 4
STS11:29 amSanta Rosa Sonoma County
35h 51m
1 stop
ICN4:20 pmIncheon Intl
Nov 13
ICN6:35 pmIncheon Intl
14h 33m
1 stop
STS4:08 pmSanta Rosa Sonoma County
$942

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
Sep 14
STS7:03 amSanta Rosa Sonoma County
18h 27m
1 stop
ICN5:30 pmIncheon Intl
Sep 30
ICN7:35 pmIncheon Intl
18h 24m
1 stop
STS9:59 pmSanta Rosa Sonoma County
$1,106
Alaska Airlines
Sep 15
STS5:34 pmSanta Rosa Sonoma County
31h 56m
1 stop
ICN5:30 pmIncheon Intl
Sep 30
ICN7:35 pmIncheon Intl
18h 24m
1 stop
STS9:59 pmSanta Rosa Sonoma County
$1,112
Alaska Airlines
Aug 18
STS12:52 pmSanta Rosa Sonoma County
36h 38m
1 stop
ICN5:30 pmIncheon Intl
Sep 7
ICN7:35 pmIncheon Intl
33h 11m
1 stop
STS12:46 pmSanta Rosa Sonoma County
$1,119

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 July 6, 2026.
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

Cheapest round-trip

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/4

4:50 pm-5:55 pm

2 stops32h 05m

Incheon Intl

Thu 11/12

6:35 pm-4:08 pm

1 stop14h 33m

$940

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/4

11:29 am-4:20 pm

1 stop35h 51m

Incheon Intl

Fri 11/13

6:35 pm-4:08 pm

1 stop14h 33m

$941

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 11/4

11:29 am-4:20 pm

1 stop35h 51m

Incheon Intl

Fri 11/13

6:35 pm-4:08 pm

1 stop14h 33m

$942

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Wed 10/7

11:29 am-3:20 pm

1 stop35h 51m

Incheon Intl

Fri 10/16

7:20 pm-10:49 am

1 stop31h 29m

$946

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Fri 11/6

4:50 pm-5:55 pm

2 stops32h 05m

Incheon Intl

Fri 11/13

6:45 pm-10:39 am

2 stops32h 54m

$952
Quickest round-trip

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Mon 9/14

7:03 am-5:30 pm

1 stop18h 27m

Incheon Intl

Thu 10/1

7:35 pm-9:59 pm

1 stop18h 24m

$1,106

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Tue 9/15

5:34 pm-5:30 pm

1 stop31h 56m

Incheon Intl

Wed 9/30

7:35 pm-9:59 pm

1 stop18h 24m

$1,112

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Tue 8/18

12:52 pm-5:30 pm

1 stop36h 38m

Incheon Intl

Mon 9/7

7:35 pm-12:46 pm

1 stop33h 11m

$1,119

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Tue 11/3

7:00 am-5:15 pm

2 stops41h 15m

Incheon Intl

Thu 11/12

12:20 am-9:57 pm

2 stops38h 37m

$1,148

Santa RosaIncheon

STS - ICN

STSICN

Santa Rosa Sonoma County

Thu 8/20

7:03 am-5:30 pm

1 stop18h 27m

Incheon Intl

Fri 9/11

7:35 pm-9:59 pm

1 stop18h 24m

$1,156

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 $786. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $883. 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 evening 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 $795. Flying to Incheon Intl Airport in the evening 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 morning when prices are $859 on average. Flights to Incheon Intl Airport from Santa Rosa in the morning 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

Fastest flight time

34h 15m

Direct flights

None
The fastest flight from Santa Rosa to Incheon Intl Airport takes 34h 15m
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

Frequently asked questions about flying from Santa Rosa to Incheon Intl Airport

  • 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 34h 15m.

  • 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
Daejeon
Suwon
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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