S$106 Cheap Flights to Sonoma Valley

Featured airlines

  • Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap round-trip flights to Sonoma Valley

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.

United
Delta
United
American Airlines
Delta
Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.

Find Your Flights to Sonoma Valley OAK

Cheap flights to Sonoma Valley (OAK)

Get started finding a cheap flight to Sonoma Valley on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport and whether you want a return or one-way airfare. You can filter for flexibility, number of stops, airline and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Sonoma Valley.

Return prices range from S$211 - S$877 and one-ways Sonoma Valley start as low as S$106.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

 

Airlines that fly to Sonoma Valley (OAK)

You have several options for which airline you choose to travel with to Sonoma Valley. There are 10 airlines flying into OAK: United, Delta, American Airlines. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check in a bag or bring hand baggage, it's worth checking whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked in/hand baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

 

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Sonoma Valley (OAK) varies throughout the year based on seasonal demand. You’ll see the lowest rates for return trips to OAK in January and in January for one-ways.

 

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Frequently asked questions

How do I find cheap flights to Sonoma Valley that have flexible change policies?
We understand that plans can change from one minute to the next, so locking in a flexible ticket with Expedia is always a wise idea. Just tick the “No change fee” box below the “Flexible change policies” filter. Your low-priced, flexible flight to Sonoma Valley is only a few clicks away.
Which airlines fly to Sonoma Valley?
When you’re ready to book your airfare to or near Sonoma Valley, these top airlines look forward to welcoming you aboard:

  • United Airlines - 5,914 flights to or near Sonoma Valley each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Southwest Airlines - 2,808 flights to or near Sonoma Valley each month, including 2,314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 2,518 flights to or near Sonoma Valley each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to Sonoma Valley?
One of the easiest ways to nab cheap tickets to Sonoma Valley is to be flexible with your travel dates. Search for your flights, then click “flexible dates” above the results. It’ll bring up the cheapest prices for nearby days. The best price for a flight to Sonoma Valley in the last seven days was S$211. Booking well ahead will usually help you walk away with an even better deal.
How much is a flight to Sonoma Valley?
You could have picked up a round-trip flight to Sonoma Valley from anywhere between S$211 and S$877 in the last seven days. For one-way journeys taking off from San Diego (SAN), the lowest price during this time was S$106.
What are the most popular airports to fly into in Sonoma Valley?
Pack your bags and touch down at one of these popular Sonoma Valley airports:

  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Oakland Intl. Airport (OAK) - 3,086 flights per month.

When is the cheapest time to fly to Sonoma Valley?
Jet off on a Tuesday to boost your chances of picking up the cheapest flight to Sonoma Valley. Mondays are usually the next most affordable day to depart. Saturday is typically the priciest day to fly anywhere.
How much is a plane ticket to Sonoma Valley?
In the last seven days, tickets ranged between S$211 and S$877. Check out our terrific deals to Sonoma Valley, make a booking and then start packing your things!
What months are the cheapest to book a flight to Sonoma Valley?
February is an excellent month to land an awesome deal to Sonoma Valley. Bear in mind that the priciest time to book a ticket in the States isn’t during the peak of summer, but the festive month of December.
Flights to Sonoma Valley information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
S$877

Trending flights to Sonoma Valley

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.

United
*Available to Expedia members.