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$134+ Cheap flights from Boston (BOS) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Sonoma are usually found in September or January, booked 78 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Boston to Sonoma

Keep the following information in mind while searching for Boston to Sonoma flight deals. Data was last updated August 1, 2025.

Round-trip from

$239
(Trip.com)

One-way from

$134
(Southwest)

Popular in

December

Cheapest in

September

Average price

$381
From Boston Logan Intl to Sonoma
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One-way flight from Boston Logan Intl to Sonoma
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Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Sonoma

Cheapest flights from Boston to Sonoma
Explore the most affordable flight options available from Boston to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Trip.com deal was found by Cheapflights users on 7/30. 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 8/308:23 pmBOS - SFO
Nonstop6h 29mHawaiian Airlines
Sat 9/66:10 amSFO - BOS
Nonstop5h 50mHawaiian Airlines
Deal found 7/30$239
This BYOjet deal was found by Cheapflights users on 7/31. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:23 pmBOS - SFO
Nonstop6h 29mAlaska Airlines
Tue 9/1611:30 amSFO - BOS
1 stop9h 57mAlaska Airlines
Deal found 7/31$241
This Rumbo deal was found by Cheapflights users on 7/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:30 pmBOS - SFO
Nonstop6h 45mJetBlue
Sat 9/69:00 pmSFO - BOS
1 stop7h 58mJetBlue
Deal found 7/30$242
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 9/57:55 amBOS - SFO
Nonstop6h 41mDelta
Tue 9/169:51 pmSFO - BOS
Nonstop5h 44mDelta
Deal found 7/31$248
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:00 pmBOS - SFO
1 stop8h 13mAmerican Airlines
Sat 9/69:20 amSFO - BOS
1 stop8h 05mAmerican Airlines
Deal found 7/30$255
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/2710:30 amBOS - SFO
Nonstop6h 31mUnited Airlines
Tue 9/211:30 pmSFO - BOS
Nonstop5h 46mUnited Airlines
Deal found 7/30$265
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sat 9/275:50 amBOS - SFO
2 stops9h 35mSouthwest
Sat 10/119:05 pmSFO - BOS
1 stop9h 35mSouthwest
Deal found 7/30$283

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 August 1, 2025.
Use the filters below to find and compare flights from Boston to Sonoma that are best for you.

Fly from

Boston

Fly to

Sonoma

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 8/30

8:23 pm-11:52 pm

Nonstop6h 29m

San Francisco

Sat 9/6

6:10 am-3:00 pm

Nonstop5h 50m

$239

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 9/13

8:23 pm-11:52 pm

Nonstop6h 29m

San Francisco

Tue 9/16

11:30 am-12:27 am

1 stop9h 57m

$241

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 8/30

6:30 pm-10:15 pm

Nonstop6h 45m

San Francisco

Sat 9/6

9:00 pm-7:58 am

1 stop7h 58m

$242

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 9/5

7:55 am-11:36 am

Nonstop6h 41m

San Francisco

Tue 9/16

9:51 pm-6:35 am

Nonstop5h 44m

$248

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 8/30

6:15 am-1:06 pm

1 stop9h 51m

San Francisco

Sat 9/6

8:00 am-6:48 pm

1 stop7h 48m

$255

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 8/27

10:30 am-2:01 pm

Nonstop6h 31m

San Francisco

Tue 9/2

11:30 pm-8:16 am

Nonstop5h 46m

$265

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 9/27

5:50 am-12:25 pm

2 stops9h 35m

San Francisco

Sat 10/11

9:05 pm-9:40 am

1 stop9h 35m

$283

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 9/6

5:50 am-12:25 pm

2 stops9h 35m

$134

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 8/21

5:08 pm-11:59 pm

1 stop9h 51m

$138

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 9/4

5:08 pm-11:59 pm

1 stop9h 51m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 15 results
1
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Best time to book a flight from Boston to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma from Boston 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 Boston to Sonoma

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Sonoma. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Sonoma, you should look to book at least 78 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 Boston to Sonoma?

Currently, January is the cheapest month in which you can book a flight from Boston to Sonoma (average of $276). Flying from Boston to Sonoma in June is currently the most expensive (average of $358). 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 BOS to SN9?

Find hourly flight availability from Boston 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 August 1, 2025.

When flying from Boston 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 Boston to Sonoma?

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

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

Weekly flight availability from Boston to Sonoma

Explore weekly flight availability from Boston 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 August 1, 2025.

The most flights from BOS to SN9 are scheduled on a Thursday (62 on average). You will have fewer flight options on Tuesday, 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 August 1, 2025.
Read through reviews of airlines operating flights from Boston to Sonoma, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Sonoma?

    If you book a flight to Sonoma from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 47 flights from Logan Intl to Sonoma per day from 9 different airlines.

  • How popular is this Boston to Sonoma flight route?

    Flights from Boston Logan Intl to Sonoma have been viewed 77 times in the past calendar month.

  • What are the cheapest airlines to fly from Boston to Sonoma one-way?

    One-way options have recently been found by users for as low as $134 on Southwest. Other airlines that offer cheap prices include Hawaiian Airlines from $138 and Alaska Airlines from $139 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Sonoma on time: Japan Airlines (89%), Qantas Airways (89%), Icelandair (88%).

  • What are the cheapest flights from Boston to Sonoma?

    Looking for the cheapest flight from Boston to Sonoma? While on average our users pay $1,158, our data indicates the cheapest price to be $128. The most popular route (Boston Logan Intl - San Francisco), is priced around $223.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Sonoma?

    Currently, January is the cheapest month in which you can book a flight from Boston to Sonoma (average of $276). Flying from Boston to Sonoma in June is currently the most expensive (average of $358). 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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Alternative routes for Boston to Sonoma

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Top 9 airlines flying from Boston to Sonoma

Discover the top 9 airlines that operate flights from Boston 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$209FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$99Average$310FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$324FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$150Average$328FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$153Average$425FlexibilityNo cancel feeOn-time63%
DeltaCheapest$171Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$482FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$216Average$410FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$396FlexibilityNo cancel feeOn-time69%

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