Sonoma County Flights - Book Cheap Flights to Sonoma County

View RM362 flight on Wed, 18 Feb 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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    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 RM362 for one-way flights and RM723 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM723 Return, found 1 day ago
RM723
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM723 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM796 Return, found 1 day ago
RM796
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM796 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,008 Return, found 1 day ago
RM1,008
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,008 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,081 Return, found 1 day ago
RM1,081
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,081 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,398 Return, found 1 day ago
RM1,398
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,398 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,662 Return, found 1 day ago
RM1,662
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,662 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,735 Return, found 1 day ago
RM1,735
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,735 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM1,947 Return, found 1 day ago
RM1,947
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM1,947 found 1 day ago
United
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM3,850 Return, found 1 day ago
RM3,850
Return
found 1 day ago
Select United flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM3,850 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM3,955 Return, found 1 day ago
RM3,955
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM3,955 found 1 day ago
United
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM4,134 Return, found 1 day ago
RM4,134
Return
found 1 day ago
Select United flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM4,134 found 1 day ago
Delta
Wed, 18 Feb - Wed, 25 Feb
PHX
Phoenix
OAK
Oakland
RM4,158 Return, found 1 day ago
RM4,158
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Feb from Phoenix to Oakland, returning Wed, 25 Feb, priced at RM4,158 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, RM723 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 RM723 and RM4,158. Many lucky travellers nabbed one-way seats from Phoenix (PHX) for as little as RM362.
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 RM723 to RM4,158 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 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.
About Sonoma County

Explore a world of travel with Expedia

*Available to Expedia members.