HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sonoma

$136+ Cheap flights from Washington, D.C. (WAS) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
març 7 — març 141
ds. 3/7
ds. 3/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Sonoma with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Washington, D.C. to Sonoma are usually found in February or May, booked 74 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Sonoma

Cheapest flights from Washington, D.C. to Sonoma
Explore the most affordable flight options available from Washington, D.C. to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrer 5, 2026.

This Frontier deal was found by Cheapflights users on 2/4. 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.
dv. 2/206:00 pm
DCA
-
SFO
1 stop9h 28m
Frontier
dl. 3/309:04 pm
SFO
-
DCA
1 stop12h 00m
Frontier
Deal found 2/4$254
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
dc. 4/156:00 pm
DCA
-
SFO
1 stop8h 25m
Frontier
dg. 4/192:01 pm
SFO
-
DCA
2 stops19h 59m
Frontier
Deal found 2/4$255
This Frontier deal was found by Cheapflights users on 2/4. 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.
ds. 2/1411:37 am
IAD
-
SFO
1 stop13h 18m
Frontier
dv. 2/2010:34 pm
SFO
-
IAD
1 stop8h 00m
Frontier
Deal found 2/4$256
This Frontier deal was found by Cheapflights users on 2/4. 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.
dv. 2/206:00 pm
DCA
-
SFO
1 stop9h 28m
Frontier
ds. 2/218:58 am
SFO
-
DCA
1 stop10h 01m
Frontier
Deal found 2/4$256
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 2/266:20 am
IAD
-
SFO
Nonstop6h 15m
United Airlines
dg. 3/111:20 pm
SFO
-
IAD
Nonstop5h 11m
United Airlines
Deal found 2/3$257
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
dt. 3/36:59 pm
DCA
-
SFO
Nonstop6h 20m
Alaska Airlines
dt. 3/109:46 am
SFO
-
DCA
Nonstop5h 13m
Alaska Airlines
Deal found 2/4$257
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
ds. 2/2110:29 am
IAD
-
SFO
1 stop14h 26m
Frontier
dc. 2/257:20 am
SFO
-
IAD
2 stops23h 05m
Frontier
Deal found 2/2$258
This Trip.com deal was found by Cheapflights users on 2/5. 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.
dl. 3/26:00 pm
DCA
-
SFO
1 stop31h 01m
Frontier
dv. 3/66:00 am
SFO
-
DCA
1 stop7h 59m
Frontier
Deal found 2/5$258
This Expedia deal was found by Cheapflights users on 2/3. 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.
ds. 5/210:51 am
IAD
-
SFO
1 stop9h 03m
Multiple Airlines
dc. 5/612:26 pm
SFO
-
IAD
1 stop8h 43m
Multiple Airlines
Deal found 2/3$259
This Frontier deal was found by Cheapflights users on 2/2. 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.
dj. 3/52:00 pm
DCA
-
SFO
1 stop13h 28m
Frontier
dc. 3/189:04 pm
SFO
-
DCA
1 stop12h 58m
Frontier
Deal found 2/2$259
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 3/42:36 pm
IAD
-
SFO
Nonstop6h 14m
United Airlines
ds. 3/74:55 pm
SFO
-
IAD
Nonstop5h 08m
United Airlines
Deal found 2/3$260
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 3/265:15 pm
DCA
-
SFO
1 stop10h 36m
JetBlue
dt. 3/3110:00 pm
SFO
-
DCA
1 stop8h 49m
JetBlue
Deal found 2/3$260

Find flight deals from Washington, D.C. to Sonoma

Keep the following information in mind while searching for Washington, D.C. to Sonoma flight deals. Data was last updated febrer 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(Frontier)

One-way from

$136
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$386
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Francisco flights.
Search Deals
From Washington, D.C. (WAS) to Sonoma
Search Deals
One-way flight from Washington, D.C. (WAS) to Sonoma
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 febrer 5, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Sonoma that are best for you.

Fly from

Washington, D.C.

Fly to

Sonoma

Route

Depart

Return

Price

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

dg. 5/3

7:00 am-1:00 pm

1 stop9h 00m

San Francisco

dg. 5/10

9:30 pm-9:44 am

1 stop9h 14m

$261

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

dj. 3/5

6:00 am-12:57 pm

1 stop9h 57m

San Francisco

dg. 3/8

8:44 pm-8:03 am

1 stop8h 19m

$261

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

dc. 4/29

6:00 am-10:25 am

1 stop7h 25m

San Francisco

dv. 5/8

10:55 pm-9:51 am

1 stop7h 56m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

dl. 3/16

5:32 pm-10:36 pm

1 stop8h 04m

San Francisco

dt. 3/17

2:20 pm-12:27 am

1 stop7h 07m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

ds. 2/28

5:13 pm-11:25 pm

1 stop9h 12m

San Francisco

dl. 3/9

5:50 am-4:52 pm

1 stop8h 02m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

dv. 2/27

10:10 pm-1:28 am

Nonstop6h 18m

San Francisco

ds. 2/28

11:20 pm-7:31 am

Nonstop5h 11m

$273

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

dj. 3/5

7:35 pm-12:50 am

1 stop8h 15m

San Francisco

ds. 3/7

2:30 pm-12:25 am

1 stop6h 55m

$277

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

dt. 2/24

6:59 pm-10:19 pm

Nonstop6h 20m

San Francisco

dj. 2/26

9:46 am-5:59 pm

Nonstop5h 13m

$277

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

dg. 3/15

10:10 pm-1:28 am

Nonstop6h 18m

San Francisco

dt. 3/17

11:20 pm-7:31 am

Nonstop5h 11m

$277

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

dl. 3/2

7:00 am-10:17 am

Nonstop6h 17m

San Francisco

dc. 3/4

1:33 pm-9:39 pm

Nonstop5h 06m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma from Washington, D.C. 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 Washington, D.C. to Sonoma

How far ahead should I book a flight from Washington, D.C. to Sonoma?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Sonoma. Price data was last updated on January 30, 2026.

The price you pay for your flight from Washington, D.C. to Sonoma may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Sonoma?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Sonoma (average of $102). Flying from Washington, D.C. to Sonoma in September is currently the most expensive (average of $234). 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 WAS to SN9?

Find hourly flight availability from Washington, D.C. 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 febrer 5, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Sonoma at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to Sonoma?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Sonoma. Price data was last updated on September 28, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Sonoma flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Sonoma

Explore weekly flight availability from Washington, D.C. 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 febrer 5, 2026.

The most flights from WAS to SN9 are scheduled on a Monday (36 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (30 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 febrer 5, 2026.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and United Airlines from Washington, D.C. to Sonoma have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,842 reviews
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,831 reviews
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,241 reviews
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,238 reviews
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,053 reviews
Alaska Airlines
8.0
Very good
11,842 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

  • How long is the flight from Washington, D.C. to Sonoma?

    For as low as $257, Frontier can have you in Sonoma from Washington, D.C. in 6h 20m. Airlines will cover a distance of 2435 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Sonoma one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $68. Southwest flights start at $92 while deals on Hawaiian Airlines start at $118 one-way.

  • What are the most popular routes from Washington, D.C. to Sonoma?

    The most popular route from Washington, D.C. to Sonoma is Washington, D.C. Reagan-National - San Francisco. You may also consider Baltimore/Washington - San Francisco or Washington, D.C. Dulles Intl - San Francisco.

  • What are the most reliable airlines from Washington, D.C. to Sonoma?

    Before booking your flight to Sonoma from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Egyptair (82%), Air China (77%), Air New Zealand( 77%).

  • What are the cheapest flights from Washington, D.C. to Sonoma?

    While on average a flight from Washington, D.C. to Sonoma is generally $1,508, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Washington, D.C. Reagan-National - San Francisco), you can expect to pay $184 for that flight.

  • Can I find deals for flights from Washington, D.C. to Sonoma that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Sonoma?

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

  • Can I find deals for business class flights from Washington, D.C. to Sonoma?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Sonoma?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Sonoma (average of $102). Flying from Washington, D.C. to Sonoma in September is currently the most expensive (average of $234). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Sonoma

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Las Vegas flights
Reagan-National to Los Angeles flights
Reagan-National to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to San Francisco flights
Dulles Intl to San Francisco flights
Dulles Intl to San Diego flights
Reagan-National to San Diego flights
Dulles Intl to Ontario flights
Reagan-National to Ontario flights
Dulles Intl to San Jose flights
Dulles Intl to Palm Springs flights
Reagan-National to San Jose flights
Dulles Intl to Sacramento flights
Dulles Intl to Santa Ana flights
Reagan-National to Santa Ana flights
Dulles Intl to Oakland flights
Reagan-National to Oakland flights
Reagan-National to Palm Springs flights
Dulles Intl to Burbank flights
Dulles Intl to Reno flights
Reagan-National to Sacramento flights
Reagan-National to Burbank flights
Reagan-National to Reno flights
Dulles Intl to Long Beach flights
Dulles Intl to Santa Barbara flights
Reagan-National to Long Beach flights
Dulles Intl to Monterey flights
Dulles Intl to Fresno flights
Dulles Intl to San Luis Obispo flights
Reagan-National to Monterey flights
Reagan-National to Santa Barbara flights
Reagan-National to Fresno flights
Reagan-National to San Luis Obispo flights
Dulles Intl to Medford flights
Reagan-National to Medford flights
Reagan-National to Arcata flights
Dulles Intl to Arcata flights
Dulles Intl to Santa Rosa flights
Reagan-National to Santa Rosa flights
Dulles Intl to Bakersfield flights
Reagan-National to Bakersfield flights
Dulles Intl to Redding flights
Reagan-National to Redding flights
Reagan-National to Tijuana flights
Dulles Intl to Yuma flights
Reagan-National to Yuma flights
Dulles Intl to Mammoth Lakes flights
Dulles Intl to Merced flights
Reagan-National to Mammoth Lakes flights

Top 10 airlines flying from Washington, D.C. to Sonoma

Discover the top 10 airlines that operate flights from Washington, D.C. 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 febrer 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$102Average$241FlexibilityNo cancel feeOn-time65%
FrontierCheapest$105Average$288FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$369FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$392FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$141Average$327FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$335FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$222Average$477FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$257Average$470FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$258Average$453FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$485FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.