Sonoma County Flights - Book Cheap Flights to Sonoma County

View RM890 flight on Sat, 17 Jan 2026Opens in a new window

Popular airlines to Sonoma County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

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Cheap round-trip flights to Sonoma County

Prices were available within the past 7 days and start at RM890 for one-way flights and RM2,949 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM2,949 Return, found 1 day ago
RM2,949
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM2,949 found 1 day ago
Delta
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM3,441 Return, found 1 day ago
RM3,441
Return
found 1 day ago
Select Delta flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM3,441 found 1 day ago
Delta
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM3,604 Return, found 1 day ago
RM3,604
Return
found 1 day ago
Select Delta flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM3,604 found 1 day ago
Delta
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM3,767 Return, found 1 day ago
RM3,767
Return
found 1 day ago
Select Delta flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM3,767 found 1 day ago
Alaska Airlines
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM4,013 Return, found 1 day ago
RM4,013
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM4,013 found 1 day ago
Delta
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM4,504 Return, found 1 day ago
RM4,504
Return
found 1 day ago
Select Delta flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM4,504 found 1 day ago
Delta
Fri, 6 Feb - Mon, 9 Feb
PDX
Portland
OAK
Oakland
RM4,666 Return, found 1 day ago
RM4,666
Return
found 1 day ago
Select Delta flight, departing Fri, 6 Feb from Portland to Oakland, returning Mon, 9 Feb, priced at RM4,666 found 1 day ago
Qatar Airways
Fri, 20 Mar - Wed, 25 Mar
KUL
Kuala Lumpur
STS
Santa Rosa
RM5,072 Return, found 6 days ago
RM5,072
Return
found 6 days ago
Select Qatar Airways flight, departing Fri, 20 Mar from Kuala Lumpur to Santa Rosa, returning Wed, 25 Mar, priced at RM5,072 found 6 days ago
China Airlines
Tue, 20 Jan - Sat, 24 Jan
KUL
Kuala Lumpur
OAK
Oakland
RM5,260 Return, found 3 days ago
RM5,260
Return
found 3 days ago
Select China Airlines flight, departing Tue, 20 Jan from Kuala Lumpur to Oakland, returning Sat, 24 Jan, priced at RM5,260 found 3 days ago
Singapore Airlines
Fri, 20 Mar - Wed, 25 Mar
KUL
Kuala Lumpur
STS
Santa Rosa
RM5,356 Return, found 6 days ago
RM5,356
Return
found 6 days ago
Select Singapore Airlines flight, departing Fri, 20 Mar from Kuala Lumpur to Santa Rosa, returning Wed, 25 Mar, priced at RM5,356 found 6 days ago

About Sonoma County

Expedia offers flights to Sonoma County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Sonoma County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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, RM2,949 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 RM2,949 and RM5,356. Many lucky travellers nabbed one-way seats from Portland (PDX) for as little as RM890.
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.

How much is a plane ticket to Sonoma County?
Flights to Sonoma County ranged from RM2,949 to RM5,356 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 13ºC and 27ºC 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.

Trending flights to Sonoma County

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

Qatar Airways
Fri, 20 Mar - Wed, 25 Mar
KUL
Kuala Lumpur
STS
Santa Rosa
RM5,072 Return, found 6 days ago
RM5,072
Return
found 6 days ago
Select Qatar Airways flight, departing Fri, 20 Mar from Kuala Lumpur to Santa Rosa, returning Wed, 25 Mar, priced at RM5,072 found 6 days ago
*Available to Expedia members.