$144+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
May 24 — May 311
Round-trip
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 January or September, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Boston to Sonoma
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Best
Last-minute
One-way
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 April 24, 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 April 24, 2026.
This Expedia deal was found by Cheapflights users on 4/19. 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.
Tue 5/56:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Tue 5/128:45 am
SFO
- BOS
1 stop17h 59m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$281
This Frontier deal was found by Cheapflights users on 4/18. 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.
Tue 4/286:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Sun 5/310:38 pm
SFO
- BOS
1 stop9h 47m
Frontier
Deal found 4/18![Frontier logo]()
$282
This Orbitz deal was found by Cheapflights users on 4/20. 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 7/16:00 am
BOS
- SFO
1 stop16h 26m
Multiple Airlines
Mon 7/611:48 pm
SFO
- BOS
Nonstop5h 40m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$283
This Priceline deal was found by Cheapflights users on 4/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Tue 6/26:00 am
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$284
This Expedia deal was found by Cheapflights users on 4/20. 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 5/286:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Mon 6/17:40 am
SFO
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$285
This Orbitz deal was found by Cheapflights users on 4/19. 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.
Thu 5/286:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Sat 5/307:40 am
SFO
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$286
This Expedia deal was found by Cheapflights users on 4/20. 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 5/138:21 pm
BOS
- SFO
Nonstop6h 38m
Multiple Airlines
Tue 5/194:44 pm
SFO
- BOS
1 stop10h 00m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 4/20. 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.
Tue 8/115:35 am
BOS
- SFO
1 stop8h 00m
Southwest
Mon 8/1711:40 pm
SFO
- BOS
1 stop9h 35m
Southwest
Deal found 4/20![Southwest logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/125:56 pm
BOS
- SFO
1 stop27h 05m
Alaska Airlines
Tue 5/194:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 4/21. 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.
Mon 6/112:01 pm
BOS
- SFO
1 stop10h 56m
Multiple Airlines
Mon 6/86:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 7/76:35 am
BOS
- SFO
Nonstop6h 31m
JetBlue
Tue 7/1411:26 am
SFO
- BOS
Nonstop5h 50m
JetBlue
Deal found 4/21![JetBlue logo]()
$292
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 April 24, 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 April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 7/226:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Mon 7/276:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/18:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Fri 6/123:00 pm
SFO
- BOS
Nonstop5h 40m
Delta
Deal found 4/21![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:45 pm
BOS
- SFO
1 stop8h 25m
Southwest
Fri 7/177:45 pm
SFO
- BOS
2 stops9h 55m
Southwest
Deal found 4/19![Southwest logo]()
$402
This JetBlue deal was found by Cheapflights users on 4/23. 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.
Thu 5/218:15 am
BOS
- SFO
Nonstop6h 43m
JetBlue
Sun 5/241:08 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 4/23![JetBlue logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/156:40 pm
BOS
- SFO
1 stop25h 21m
Alaska Airlines
Mon 5/186:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 4/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:20 am
BOS
- SFO
1 stop13h 55m
Southwest
Fri 7/1711:00 am
SFO
- BOS
1 stop9h 00m
Southwest
Deal found 4/18![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 4/20. 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.
Tue 5/128:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Fri 5/157:00 pm
SFO
- BOS
1 stop8h 20m
Delta
Deal found 4/20![Delta logo]()
$457
This JetBlue deal was found by Cheapflights users on 4/21. 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.
Wed 4/298:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Tue 5/53:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 4/21![JetBlue logo]()
$482
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Fri 5/16:00 am
BOS
- SFO
Nonstop6h 45m
United Airlines
Sun 5/39:25 pm
SFO
- BOS
Nonstop6h 02m
United Airlines
Deal found 4/19![United Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:10 pm
BOS
- SFO
2 stops11h 25m
Southwest
Sun 6/146:00 am
SFO
- BOS
1 stop14h 00m
Southwest
Deal found 4/19![Southwest logo]()
$453
This Delta deal was found by Cheapflights users on 4/19. 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.
Tue 4/288:45 pm
BOS
- SFO
Nonstop6h 42m
Delta
Tue 5/510:30 pm
SFO
- BOS
Nonstop5h 55m
Delta
Deal found 4/19![Delta logo]()
$482
This Southwest deal was found by Cheapflights users on 4/21. 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.
Sun 5/2410:10 am
BOS
- SFO
2 stops11h 05m
Southwest
Sat 8/2911:05 pm
SFO
- BOS
2 stops10h 35m
Southwest
Deal found 4/21![Southwest logo]()
$478
Last-minute flights from Boston to SonomaDiscover last-minute flight deals from Boston to Sonoma. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sonoma. Data last updated April 24, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/18. 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.
Tue 4/286:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Sun 5/310:38 pm
SFO
- BOS
1 stop9h 47m
Frontier
Deal found 4/18![Frontier logo]()
$282
This Expedia deal was found by Cheapflights users on 4/20. 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 4/296:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Wed 5/610:25 am
SFO
- BOS
1 stop10h 34m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$294
This Expedia deal was found by Cheapflights users on 4/19. 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.
Tue 5/56:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Tue 5/128:45 am
SFO
- BOS
1 stop17h 59m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/125:56 pm
BOS
- SFO
1 stop27h 05m
Alaska Airlines
Tue 5/194:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 4/20. 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 5/138:21 pm
BOS
- SFO
Nonstop6h 38m
Multiple Airlines
Tue 5/194:44 pm
SFO
- BOS
1 stop10h 00m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$287
This Expedia deal was found by Cheapflights users on 4/20. 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.
Sat 5/237:13 am
BOS
- SFO
Nonstop6h 40m
Multiple Airlines
Wed 5/276:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$293
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 5/277:07 pm
BOS
- SFO
Nonstop6h 42m
JetBlue
Tue 6/29:31 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Deal found 4/20![JetBlue logo]()
$292
This Expedia deal was found by Cheapflights users on 4/20. 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 5/286:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Mon 6/17:40 am
SFO
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$285
This Orbitz deal was found by Cheapflights users on 4/19. 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.
Thu 5/286:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Sat 5/307:40 am
SFO
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$286
This Priceline deal was found by Cheapflights users on 4/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Tue 6/26:00 am
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$284
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 April 24, 2026.
Search for one-way flight options from Boston to Sonoma. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/266:40 pm
BOS
- SFO
1 stop17h 53m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$144
This Frontier deal was found by Cheapflights users on 4/21. 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.
Mon 6/2212:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Deal found 4/21![Frontier logo]()
$145
This Super.com deal was found by Cheapflights users on 4/21. 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 6/39:15 pm
BOS
- SFO
Nonstop6h 42m
JetBlue
Deal found 4/21![JetBlue logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 5/279:27 pm
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 4/21![JetBlue logo]()
$148
This Delta deal was found by Cheapflights users on 4/20. 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 5/138:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 4/20![Delta logo]()
$149
This iWofly deal was found by Cheapflights users on 4/20. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:31 am
BOS
- SFO
1 stop13h 03m
Frontier
Deal found 4/20![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 4/20. 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 6/186:00 am
BOS
- SFO
1 stop16h 26m
Frontier
Deal found 4/20![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/510:07 am
BOS
- SFO
2 stops27h 34m
Frontier
Deal found 4/21![Frontier logo]()
$152
This Jetabroad deal was found by Cheapflights users on 4/22. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:27 pm
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 4/22![JetBlue logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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.
Thu 6/258:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 4/21![JetBlue logo]()
$154
This Frontier deal was found by Cheapflights users on 4/20. 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.
Fri 5/812:01 pm
BOS
- SFO
1 stop10h 33m
Frontier
Deal found 4/20![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 4/23. 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 5/1312:01 pm
BOS
- SFO
1 stop10h 33m
Frontier
Deal found 4/23![Frontier logo]()
$156
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Expedia) |
One-way from | $144 (Alaska Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $468 |
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 April 24, 2026.
Use the filters below to find and compare flights from Boston to Sonoma that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 7/22
6:00 am-9:27 am
Nonstop6h 27m
San Francisco
Mon 7/27
6:56 pm-5:58 am
1 stop8h 02m
$317
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 6/1
8:59 pm-12:32 am
Nonstop6h 33m
San Francisco
Fri 6/12
3:00 pm-11:40 pm
Nonstop5h 40m
$392
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 7/10
6:45 pm-12:10 am
1 stop8h 25m
San Francisco
Fri 7/17
7:45 pm-8:40 am
2 stops9h 55m
$402
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 5/21
8:15 am-11:58 am
Nonstop6h 43m
San Francisco
Sun 5/24
1:08 pm-9:56 pm
Nonstop5h 48m
$427
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 7/11
9:20 am-8:15 pm
1 stop13h 55m
San Francisco
Fri 7/17
11:00 am-11:00 pm
1 stop9h 00m
$432
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 5/15
6:40 pm-5:01 pm
1 stop25h 21m
San Francisco
Mon 5/18
6:16 am-5:44 am
1 stop20h 28m
$448
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 6/5
1:10 pm-9:35 pm
2 stops11h 25m
San Francisco
Sun 6/14
6:00 am-11:00 pm
1 stop14h 00m
$453
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 5/12
8:59 pm-12:32 am
Nonstop6h 33m
San Francisco
Fri 5/15
7:00 pm-6:20 am
1 stop8h 20m
$457
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 5/24
10:10 am-6:15 pm
2 stops11h 05m
San Francisco
Sat 8/29
11:05 pm-12:40 pm
2 stops10h 35m
$478
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 4/29
8:19 pm-11:59 pm
Nonstop6h 40m
San Francisco
Tue 5/5
3:10 pm-11:58 pm
Nonstop5h 48m
$482
Showing 1-10 of 24 resultsSorted by cheapest first
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
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 April 24, 2026.
It’s typically best to fly out from Boston to Sonoma in the evening. Doing so could potentially save you 37% on the flight price compared to flying at noon, 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 April 18, 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 April 24, 2026.
The most flights from BOS to SN9 are scheduled on a Thursday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from Boston to Sonoma?
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 April 24, 2026.
Read through reviews of airlines operating flights from Boston to Sonoma, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
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.
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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 April 24, 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 April 24, 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$300 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$119 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$393 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$174 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$203 | Average$401 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$231 | Average$404 | FlexibilityNo cancel fee | On-time69% |