$114+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Mar 22 — Mar 291
1 adult, Economy
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Find cheap flights from Boston 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 Boston Logan Intl to Sonoma are usually found in September or January, booked 90 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from Boston to Sonoma
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Cheapest flights from Boston to SonomaExplore 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 February 20, 2026.
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 February 20, 2026.
This Orbitz deal was found by Cheapflights users on 2/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Mon 3/1610:38 pm
SFO
- BOS
1 stop10h 03m
Frontier
Deal found 2/17![Frontier logo]()
$219
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Thu 3/57:00 am
BOS
- SFO
1 stop11h 48m
Hawaiian Airlines
Wed 3/1111:34 am
SFO
- BOS
1 stop9h 25m
Hawaiian Airlines
Deal found 2/18![Hawaiian Airlines logo]()
$220
This Frontier deal was found by Cheapflights users on 2/19. 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 4/306:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Sat 5/910:38 pm
SFO
- BOS
1 stop10h 07m
Frontier
Deal found 2/19![Frontier logo]()
$221
This Flysmarter deal was found by Cheapflights users on 2/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Tue 3/173:25 pm
SFO
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/17![JetBlue logo]()
$222
This Expedia deal was found by Cheapflights users on 2/19. 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.
Wed 4/89:15 pm
BOS
- SFO
Nonstop6h 41m
Multiple Airlines
Mon 4/1310:03 pm
SFO
- BOS
1 stop10h 54m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$224
This Frontier deal was found by Cheapflights users on 2/18. 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.
Wed 3/1811:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Mon 3/3010:38 pm
SFO
- BOS
1 stop10h 03m
Frontier
Deal found 2/18![Frontier logo]()
$225
This flugladen.de deal was found by Cheapflights users on 2/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:02 am
BOS
- SFO
1 stop12h 05m
Multiple Airlines
Tue 3/173:25 pm
SFO
- BOS
Nonstop5h 33m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$226
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 pm
BOS
- SFO
Nonstop6h 42m
Multiple Airlines
Wed 4/86:40 pm
SFO
- BOS
1 stop8h 13m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$227
This SmartFares deal was found by Cheapflights users on 2/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
BOS
- SFO
1 stop11h 48m
Alaska Airlines
Wed 3/1111:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$228
This Expedia deal was found by Cheapflights users on 2/19. 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.
Wed 4/156:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Wed 4/228:45 pm
SFO
- BOS
Nonstop5h 42m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$229
This CheapOair deal was found by Cheapflights users on 2/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:10 pm
BOS
- SFO
Nonstop6h 44m
Multiple Airlines
Sat 5/910:38 pm
SFO
- BOS
1 stop10h 07m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$230
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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.
Wed 3/115:00 pm
BOS
- SFO
Nonstop6h 49m
JetBlue
Wed 3/1110:50 pm
SFO
- BOS
Nonstop5h 31m
JetBlue
Deal found 2/16![JetBlue logo]()
$231
Best flights from Boston to SonomaDiscover carefully curated flight deals from Boston to Sonoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
Discover carefully curated flight deals from Boston to Sonoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
This Delta deal was found by Cheapflights users on 2/16. 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.
Wed 3/185:20 pm
BOS
- SFO
Nonstop6h 53m
Delta
Tue 3/247:25 am
SFO
- BOS
Nonstop5h 32m
Delta
Deal found 2/16![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/45:44 pm
BOS
- SFO
1 stop9h 15m
Alaska Airlines
Tue 3/1011:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$247
This JetBlue deal was found by Cheapflights users on 2/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:50 pm
BOS
- SFO
Nonstop6h 44m
JetBlue
Wed 6/33:20 pm
SFO
- BOS
Nonstop5h 39m
JetBlue
Deal found 2/16![JetBlue logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/18. 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 5/206:00 am
BOS
- SFO
Nonstop6h 45m
United Airlines
Tue 5/2611:59 pm
SFO
- BOS
1 stop8h 17m
United Airlines
Deal found 2/18![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/16. 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.
Thu 3/127:40 am
BOS
- SFO
Nonstop6h 58m
Delta
Wed 3/187:25 am
SFO
- BOS
Nonstop5h 32m
Delta
Deal found 2/16![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/165:45 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Tue 3/2411:35 pm
SFO
- BOS
Nonstop5h 38m
United Airlines
Deal found 2/18![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/45:44 pm
BOS
- SFO
1 stop9h 15m
Alaska Airlines
Mon 3/167:28 pm
SFO
- BOS
1 stop8h 26m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 5/147:35 am
BOS
- SFO
Nonstop6h 45m
United Airlines
Tue 5/199:25 pm
SFO
- BOS
Nonstop6h 02m
United Airlines
Deal found 2/19![United Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 2/19. 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 5/307:35 am
BOS
- SFO
Nonstop6h 42m
Delta
Mon 6/810:00 pm
SFO
- BOS
Nonstop5h 54m
Delta
Deal found 2/19![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 2/16. 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.
Thu 6/48:50 pm
BOS
- SFO
Nonstop6h 33m
Delta
Tue 6/92:50 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 2/16![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 5/289:07 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Sat 5/309:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 2/19![United Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 3/74:50 pm
BOS
- SFO
1 stop8h 57m
United Airlines
Wed 3/1111:05 am
SFO
- BOS
Nonstop5h 41m
United Airlines
Deal found 2/16![United Airlines logo]()
$267
Last-minute flights from Boston to SonomaDiscover last-minute flight deals from Boston to Sonoma. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sonoma. Data last updated February 20, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 2/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:40 pm
BOS
- SFO
Nonstop6h 51m
JetBlue
Tue 3/103:25 pm
SFO
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/16![JetBlue logo]()
$229
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:44 pm
BOS
- SFO
1 stop9h 15m
Multiple Airlines
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/47:00 am
BOS
- SFO
1 stop10h 02m
Alaska Airlines
Tue 3/104:21 pm
SFO
- BOS
1 stop11h 33m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$232
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Thu 3/57:00 am
BOS
- SFO
1 stop11h 48m
Hawaiian Airlines
Wed 3/1111:34 am
SFO
- BOS
1 stop9h 25m
Hawaiian Airlines
Deal found 2/18![Hawaiian Airlines logo]()
$220
This SmartFares deal was found by Cheapflights users on 2/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
BOS
- SFO
1 stop11h 48m
Alaska Airlines
Wed 3/1111:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$228
This Flysmarter deal was found by Cheapflights users on 2/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Tue 3/173:25 pm
SFO
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/17![JetBlue logo]()
$222
This flugladen.de deal was found by Cheapflights users on 2/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:02 am
BOS
- SFO
1 stop12h 05m
Multiple Airlines
Tue 3/173:25 pm
SFO
- BOS
Nonstop5h 33m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$226
This Priceline deal was found by Cheapflights users on 2/16. 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.
Wed 3/117:10 am
BOS
- SFO
Nonstop7h 00m
Multiple Airlines
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$219
This Orbitz deal was found by Cheapflights users on 2/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Tue 3/1710:40 pm
SFO
- BOS
1 stop8h 49m
Frontier
Deal found 2/19![Frontier logo]()
$221
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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.
Wed 3/115:00 pm
BOS
- SFO
Nonstop6h 49m
JetBlue
Wed 3/1110:50 pm
SFO
- BOS
Nonstop5h 31m
JetBlue
Deal found 2/16![JetBlue logo]()
$231
This Frontier deal was found by Cheapflights users on 2/18. 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.
Wed 3/1811:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Mon 3/3010:38 pm
SFO
- BOS
1 stop10h 03m
Frontier
Deal found 2/18![Frontier logo]()
$225
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:59 pm
BOS
- SFO
Nonstop6h 52m
JetBlue
Tue 3/313:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 2/18![JetBlue logo]()
$233
One-way flights from Boston to SonomaSearch for one-way flight options from Boston to Sonoma. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
Search for one-way flight options from Boston to Sonoma. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This Expedia deal was found by Cheapflights users on 2/16. 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.
Tue 3/109:02 am
BOS
- SFO
1 stop12h 05m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$114
This Super.com deal was found by Cheapflights users on 2/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Deal found 2/19![JetBlue logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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.
Tue 3/317:30 am
BOS
- SFO
Nonstop6h 45m
JetBlue
Deal found 2/16![JetBlue logo]()
$118
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/187:40 am
BOS
- SFO
Nonstop6h 58m
Delta
Deal found 2/19![Delta logo]()
$119
This Frontier deal was found by Cheapflights users on 2/19. 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.
Wed 3/1111:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Deal found 2/19![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 2/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:50 am
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 2/16![JetBlue logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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.
Wed 4/299:10 pm
BOS
- SFO
Nonstop6h 44m
JetBlue
Deal found 2/17![JetBlue logo]()
$123
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 5/208:50 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 2/19![Delta logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/1212:55 pm
BOS
- SFO
2 stops37h 30m
Frontier
Deal found 2/17![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 2/18. 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.
Sat 5/166:00 am
BOS
- SFO
1 stop13h 54m
Frontier
Deal found 2/18![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Wed 4/17:15 am
BOS
- SFO
1 stop9h 46m
Hawaiian Airlines
Deal found 2/16![Hawaiian Airlines logo]()
$128
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/2412:07 pm
BOS
- SFO
1 stop10h 00m
United Airlines
Deal found 2/18![United Airlines logo]()
$129
Find flight deals from Boston to Sonoma
Keep the following information in mind while searching for Boston to Sonoma flight deals. Data was last updated February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Orbitz) |
One-way from | $114 (Expedia) |
Popular in | December |
Cheapest in | September |
Average price | $392 |
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 February 20, 2026.
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
Wed 3/18
5:20 pm-9:13 pm
Nonstop6h 53m
San Francisco
Tue 3/24
7:25 am-3:57 pm
Nonstop5h 32m
$237
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 3/4
5:44 pm-11:59 pm
1 stop9h 15m
San Francisco
Tue 3/10
11:34 am-11:59 pm
1 stop9h 25m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 6/2
3:50 pm-7:34 pm
Nonstop6h 44m
San Francisco
Wed 6/3
3:20 pm-11:59 pm
Nonstop5h 39m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 5/20
6:00 am-9:45 am
Nonstop6h 45m
San Francisco
Tue 5/26
11:59 pm-11:16 am
1 stop8h 17m
$257
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 3/12
7:40 am-11:38 am
Nonstop6h 58m
San Francisco
Wed 3/18
7:25 am-3:57 pm
Nonstop5h 32m
$257
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 3/16
5:45 am-9:43 am
Nonstop6h 58m
San Francisco
Tue 3/24
11:35 pm-8:13 am
Nonstop5h 38m
$257
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 5/14
7:35 am-11:20 am
Nonstop6h 45m
San Francisco
Tue 5/19
9:25 pm-6:27 am
Nonstop6h 02m
$262
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 5/30
7:35 am-11:17 am
Nonstop6h 42m
San Francisco
Mon 6/8
10:00 pm-6:54 am
Nonstop5h 54m
$262
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 6/4
8:50 pm-12:23 am
Nonstop6h 33m
San Francisco
Tue 6/9
2:50 pm-11:41 pm
Nonstop5h 51m
$262
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 5/28
9:07 am-12:34 pm
Nonstop6h 27m
San Francisco
Sat 5/30
9:25 pm-6:21 am
Nonstop5h 56m
$262
Showing 1-10 of 22 results
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.
BOS-SFO
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
BOS-SN9
BOS-SFO
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 February 18, 2026.
To ensure you get the cheapest price possible for a flight from Boston to Sonoma, you should look to book at least 90 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, March is the cheapest month in which you can book a flight from Boston to Sonoma (average of $98). Flying from Boston to Sonoma in January is currently the most expensive (average of $197). 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 February 20, 2026.
It’s typically best to fly out from Boston to Sonoma in the evening. Doing so could potentially save you 62% on the flight price compared to flying in the morning, which is usually more expensive.
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 February 17, 2026.
Travelers seeking maximum savings on their Boston to Sonoma flight should consider departing on Thursday 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 February 20, 2026.
The most flights from BOS to SN9 are scheduled on a Thursday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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 February 20, 2026.
Read through reviews of airlines operating flights from Boston to Sonoma, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
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.
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Alternative routes for Boston to Sonoma
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sonoma by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Sonoma by cabin class
Find flights from Boston to Sonoma, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Sonoma flights
Browse other Boston and Sonoma flight options. Last updated on February 20, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on February 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Sonoma flights
Consider these flights traveling from Boston to Sonoma.
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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$299 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$143 | Average$361 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$163 | Average$335 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$216 | Average$433 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$221 | Average$392 | FlexibilityNo cancel fee | On-time69% |