Sunrise Mist over California Vineyard Landscape

Cheap flights to Sonoma County

View €108 flight on Tue, 11 Aug 2026Opens in a new window

Popular airlines to Sonoma County

  • Alaska Airlines

  • American Airlines

  • Delta

  • Frontier Airlines

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Sonoma County

Prices were available within the past 7 days and start at €108 for one-way flights and €355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 11 Jul - Mon, 13 Jul
PHX
Phoenix
STS
Santa Rosa
€355 Return, found 6 days ago
€355
Return
found 6 days ago
Select American Airlines flight, departing Sat, 11 Jul from Phoenix to Santa Rosa, returning Mon, 13 Jul, priced at €355 found 6 days ago
American Airlines
Sat, 18 Jul - Sun, 19 Jul
PHX
Phoenix
STS
Santa Rosa
€389 Return, found 21 hours ago
€389
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 18 Jul from Phoenix to Santa Rosa, returning Sun, 19 Jul, priced at €389 found 21 hours ago
American Airlines
Sat, 11 Jul - Mon, 13 Jul
PHX
Phoenix
STS
Santa Rosa
€438 Return, found 6 days ago
€438
Return
found 6 days ago
Select American Airlines flight, departing Sat, 11 Jul from Phoenix to Santa Rosa, returning Mon, 13 Jul, priced at €438 found 6 days ago
American Airlines
Sat, 18 Jul - Sat, 25 Jul
DFW
Dallas
STS
Santa Rosa
€482 Return, found 20 hours ago
€482
Return
found 20 hours ago
Select American Airlines flight, departing Sat, 18 Jul from Dallas to Santa Rosa, returning Sat, 25 Jul, priced at €482 found 20 hours ago
American Airlines
Sat, 18 Jul - Sat, 25 Jul
DFW
Dallas
STS
Santa Rosa
€490 Return, found 20 hours ago
€490
Return
found 20 hours ago
Select American Airlines flight, departing Sat, 18 Jul from Dallas to Santa Rosa, returning Sat, 25 Jul, priced at €490 found 20 hours ago
American Airlines
Sat, 18 Jul - Sat, 25 Jul
DFW
Dallas
STS
Santa Rosa
€499 Return, found 20 hours ago
€499
Return
found 20 hours ago
Select American Airlines flight, departing Sat, 18 Jul from Dallas to Santa Rosa, returning Sat, 25 Jul, priced at €499 found 20 hours ago
Delta
Fri, 23 Oct - Mon, 2 Nov
DUB
Dublin
OAK
Oakland
€732 Return, found 1 day ago
€732
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Oct from Dublin to Oakland, returning Mon, 2 Nov, priced at €732 found 1 day ago
British Airways
Wed, 9 Sept - Wed, 16 Sept
DUB
Dublin
OAK
Oakland
€749 Return, found 5 days ago
€749
Return
found 5 days ago
Select British Airways flight, departing Wed, 9 Sept from Dublin to Oakland, returning Wed, 16 Sept, priced at €749 found 5 days ago
KLM
Fri, 23 Oct - Mon, 2 Nov
DUB
Dublin
OAK
Oakland
€772 Return, found 1 day ago
€772
Return
found 1 day ago
Select KLM flight, departing Fri, 23 Oct from Dublin to Oakland, returning Mon, 2 Nov, priced at €772 found 1 day ago
Air France
Tue, 25 Aug - Wed, 9 Sept
DUB
Dublin
OAK
Oakland
€800 Return, found 2 days ago
€800
Return
found 2 days ago
Select Air France flight, departing Tue, 25 Aug from Dublin to Oakland, returning Wed, 9 Sept, priced at €800 found 2 days ago

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.

Delta
Fri, 23 Oct - Mon, 2 Nov
DUB
Dublin
OAK
Oakland
€732 Return, found 1 day ago
€732
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Oct from Dublin to Oakland, returning Mon, 2 Nov, priced at €732 found 1 day 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, €355 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 €355 and €800. Many lucky travellers nabbed one-way seats from Dallas (DFW) for as little as €108.
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 €355 to €800 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.

Book with confidence

About Sonoma County

Expedia offers flights to Sonoma County to meet every traveller'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.
About Sonoma County

Explore a world of travel with Expedia

*Available to Expedia members.