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$72+ Cheap flights from Seattle (SEA) to Sonoma, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Sonoma are usually found in January or September, booked 57 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Seattle to Sonoma

Keep the following information in mind while searching for Seattle to Sonoma flight deals. Data was last updated September 14, 2025.

Round-trip from

$137
(Delta)

One-way from

$72
(Cheapflightsfares)

Popular in

August

Cheapest in

January

Average price

$207
From Seattle/Tacoma Intl to Sonoma
Search Deals
One-way flight from Seattle/Tacoma Intl to Sonoma
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Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Sonoma

Cheapest flights from Seattle to Sonoma
Explore the most affordable flight options available from Seattle to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:20 pmSEA - SFO
Nonstop2h 09mDelta
Sat 10/116:00 amSFO - SEA
Nonstop2h 20mDelta
Deal found 9/14$137
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:15 pmSEA - SFO
Nonstop2h 14mHawaiian Airlines
Mon 10/277:37 pmSFO - SEA
Nonstop2h 23mHawaiian Airlines
Deal found 9/14$138
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:00 amSEA - SFO
1 stop4h 35mHawaiian Airlines
Tue 11/43:01 pmSFO - SEA
1 stop3h 47mHawaiian Airlines
Deal found 9/13$139
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:50 pmSEA - SFO
1 stop8h 15mSouthwest
Tue 10/283:50 pmSFO - SEA
1 stop7h 10mSouthwest
Deal found 9/13$140
This Hawaiian Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:08 pmSEA - SFO
Nonstop2h 15mHawaiian Airlines
Sat 10/47:54 pmSFO - SEA
Nonstop2h 21mHawaiian Airlines
Deal found 9/12$141
This Vliegwinkel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:59 pmSEA - SFO
Nonstop2h 13mMultiple Airlines
Mon 10/2711:40 amSFO - SEA
Nonstop2h 19mMultiple Airlines
Deal found 9/14$142
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:47 pmSEA - SFO
1 stop7h 34mFrontier
Thu 10/25:45 amSFO - SEA
1 stop9h 46mFrontier
Deal found 9/13$143
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:26 pmSEA - SFO
1 stop5h 27mFrontier
Sun 10/264:55 pmSFO - SEA
1 stop15h 53mFrontier
Deal found 9/14$144
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:12 amSEA - SFO
1 stop7h 05mMultiple Airlines
Sat 10/45:13 pmSFO - SEA
Nonstop2h 18mMultiple Airlines
Deal found 9/13$146
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:00 amSEA - SFO
1 stop3h 51mAlaska Airlines
Sat 10/116:20 pmSFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 9/14$147
This Kissandfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:00 amSEA - SFO
1 stop3h 51mAlaska Airlines
Tue 10/1411:22 amSFO - SEA
Nonstop2h 16mAlaska Airlines
Deal found 9/13$148

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Sonoma that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Seattle to Sonoma that are best for you.

Fly from

Seattle

Fly to

Sonoma

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 11/10

9:32 pm-11:50 pm

Nonstop2h 18m

San Francisco

Fri 11/14

1:11 pm-7:10 pm

1 stop5h 59m

$146

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 10/9

7:00 am-9:16 am

Nonstop2h 16m

San Francisco

Sat 10/25

5:13 pm-7:31 pm

Nonstop2h 18m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 10/25

8:42 am-10:59 am

Nonstop2h 17m

San Francisco

Thu 10/30

9:00 pm-11:15 pm

Nonstop2h 15m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 10/16

7:00 am-9:16 am

Nonstop2h 16m

San Francisco

Tue 10/21

2:40 pm-4:58 pm

Nonstop2h 18m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 11/8

1:20 pm-3:35 pm

Nonstop2h 15m

San Francisco

Mon 11/10

10:44 pm-12:59 am

Nonstop2h 15m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 12/6

8:25 am-12:29 pm

1 stop4h 04m

San Francisco

Sat 12/6

7:25 pm-9:43 pm

Nonstop2h 18m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 11/18

5:20 am-8:55 am

1 stop3h 35m

San Francisco

Wed 11/19

3:01 pm-6:48 pm

1 stop3h 47m

$156

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 11/22

8:10 pm-10:25 pm

Nonstop2h 15m

San Francisco

Sun 11/23

6:00 am-8:23 am

Nonstop2h 23m

$157

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 11/21

8:10 pm-10:25 pm

Nonstop2h 15m

San Francisco

Tue 11/25

6:00 am-8:23 am

Nonstop2h 23m

$157

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 11/13

3:37 pm-5:50 pm

Nonstop2h 13m

San Francisco

Mon 11/17

10:44 pm-12:59 am

Nonstop2h 15m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Sonoma

How far ahead should I book a flight from Seattle to Sonoma?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sonoma. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Sonoma, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Sonoma?

Currently, January is the cheapest month in which you can book a flight from Seattle to Sonoma (average of $276). Flying from Seattle to Sonoma in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SN9?

Find hourly flight availability from Seattle to Sonoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

When flying from Seattle to Sonoma, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Seattle to Sonoma?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Sonoma. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Sonoma flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Sonoma

Explore weekly flight availability from Seattle to Sonoma. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 14, 2025.

The most flights from SEA to SN9 are scheduled on a Friday (110 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (69 on average).

Reviews of airlines servicing Sonoma

Get insights into the airlines that provide service to Sonoma. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sonoma. Reviews last updated September 14, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Sonoma to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,931 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sonoma. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Sonoma?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Sonoma from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Sonoma should be relatively easy as there are 84 daily outbound flights to Sonoma from 8 different airlines.

  • How popular is this Seattle to Sonoma flight route?

    Within the past month, 134 users have taken a look at flights from Seattle/Tacoma Intl to Sonoma.

  • How long is the flight from Seattle to Sonoma?

    A quick flight from Seattle to Sonoma can take about 2h 16m. Alaska Airlines provides one of the quickest options available for as low as $147. Airlines will cover a distance of 679 mi. All flights are typically nonstop.

  • What are the most reliable airlines from Seattle to Sonoma?

    Consider China Southern (100%), KLM (96%) or SWISS (95%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Sonoma.

  • What are the cheapest flights from Seattle to Sonoma?

    Looking for the cheapest flight from Seattle to Sonoma? While on average our users pay $728, our data indicates the cheapest price to be $69. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $83.

  • Can I find deals for flights from Seattle to Sonoma that include hotel bookings?

    Yes. In addition to deals on Seattle to Sonoma flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Sonoma?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sonoma.

  • Can I find deals for business class flights from Seattle to Sonoma?

    Yes. Cheapflights offers flight deals from Seattle to Sonoma by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Sonoma?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Sonoma (average of $276). Flying from Seattle to Sonoma in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from Seattle to Sonoma

Discover the top 8 airlines that operate flights from Seattle to Sonoma. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$184FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$227FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$100Average$207FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$110Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$116Average$283FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$122Average$246FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$126Average$240FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$389FlexibilityNo cancel feeOn-time71%

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