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Cheap Flights to Sonoma County from ₩1,175,600

View ₩1,175,600 flight on Thu, Sep 3, 2026Opens in a new window

Popular airlines to Sonoma County

  • Alaska Airlines

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

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How much is the cheapest flight to Sonoma County?

Prices were available within the past 7 days and start at ₩1,175,600 for one-way flights and ₩1,843,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩1,843,000 Roundtrip, found 11 hours ago
₩1,843,000
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩1,843,000 found 11 hours ago
Singapore Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩1,956,300 Roundtrip, found 11 hours ago
₩1,956,300
Roundtrip
found 11 hours ago
Select Singapore Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩1,956,300 found 11 hours ago
American Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩2,025,700 Roundtrip, found 11 hours ago
₩2,025,700
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩2,025,700 found 11 hours ago
EVA Airways
Mon, Oct 12 - Fri, Oct 16
ICN
Seoul
OAK
Oakland
₩2,071,500 Roundtrip, found 4 days ago
₩2,071,500
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Mon, Oct 12 from Seoul to Oakland, returning Fri, Oct 16, priced at ₩2,071,500 found 4 days ago
EVA Airways
Mon, Oct 12 - Fri, Oct 16
ICN
Seoul
OAK
Oakland
₩2,115,500 Roundtrip, found 4 days ago
₩2,115,500
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Mon, Oct 12 from Seoul to Oakland, returning Fri, Oct 16, priced at ₩2,115,500 found 4 days ago
EVA Airways
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩2,123,500 Roundtrip, found 11 hours ago
₩2,123,500
Roundtrip
found 11 hours ago
Select EVA Airways flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩2,123,500 found 11 hours ago
EVA Airways
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩2,145,500 Roundtrip, found 11 hours ago
₩2,145,500
Roundtrip
found 11 hours ago
Select EVA Airways flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩2,145,500 found 11 hours ago
Qatar Airways
Fri, Jun 26 - Fri, Jul 3
ICN
Seoul
OAK
Oakland
₩2,172,400 Roundtrip, found 1 day ago
₩2,172,400
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Fri, Jun 26 from Seoul to Oakland, returning Fri, Jul 3, priced at ₩2,172,400 found 1 day ago
American Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩2,186,600 Roundtrip, found 11 hours ago
₩2,186,600
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩2,186,600 found 11 hours ago
China Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩2,241,600 Roundtrip, found 11 hours ago
₩2,241,600
Roundtrip
found 11 hours ago
Select China Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩2,241,600 found 11 hours ago

Trending flights to Sonoma County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 3 - Mon, Sep 7
ICN
Seoul
STS
Santa Rosa
₩1,843,000 Roundtrip, found 11 hours ago
₩1,843,000
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Seoul to Santa Rosa, returning Mon, Sep 7, priced at ₩1,843,000 found 11 hours ago

Frequently asked questions

How do I find cheap flights to Sonoma County that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Step 1: Enter your travel dates and destination and press "Search." Second step: Check "No change fee" directly underneath the "Flexible change policies" subheading on the top left of your screen. Step 3. Grab your cheap and flexible fare to Sonoma County.
Which airlines fly to Sonoma County?
When you're ready to lock in your ticket to or near Sonoma County, these leading airlines look forward to welcoming you on board:

  • Southwest Airlines - 2,314 flights to or near Sonoma County each month, including 2,314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 434 flights to or near Sonoma County each month, including 264 flights to Sonoma County Airport (STS) per month.
  • Spirit Airlines - 265 flights to or near Sonoma County each month, including 265 flights to Oakland Intl. Airport (OAK) per month.

How can I find cheap tickets to Sonoma County?
A helpful strategy for walking away with cheap airfares is to be flexible with your travel dates. Begin with searching for your flight to Sonoma County, then click on the "flexible dates" box to compare prices for nearby days. Want another tip? Book ahead of time. To give you an idea of fares, ₩1,843,000 was the best price for a flight to Sonoma County in the last seven days.
How much is a flight to Sonoma County?
There were a lot of low-cost fares up for grabs in the last seven days, with the cost of a return flight to Sonoma County ranging between ₩1,843,000 and ₩2,241,600. Many lucky travelers nabbed one-way seats from Seoul (ICN) for as little as ₩1,175,600.
What are the most popular airports to fly into in Sonoma County?
Which of these two Sonoma County airports you'll touch down at will depend largely on your chosen carrier and what you plan to see in the region:

  • Oakland Intl. Airport (OAK) - 3,086 flights per month.
  • Sonoma County Airport (STS) - 356 flights per month.

When is the cheapest time to fly to Sonoma County?
Fly out on a Tuesday to boost your odds of securing the cheapest deal to Sonoma County. Mondays are usually the second most affordable day to take off. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Sonoma County?
Flights to Sonoma County ranged from ₩1,843,000 to ₩2,241,600 in the last seven days. Generally, the sooner you book the better the price.
What is the best time to go to Sonoma County?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a good time to visit the exciting Sonoma County city of Santa Rosa. Average temperatures range between 55ºF and 80ºF across the season. The biggest crowds can be found here in March, April and July.
What months are the cheapest to book a flight to Sonoma County?
To secure a fabulous deal to Sonoma County, try to book during the month of February when the price of tickets are at their cheapest. What time of year is expensive? In the United States, it's the festive month of December.

Book with confidence

About Sonoma County

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About Sonoma County
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