$169+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Jul 17 — Jul 241
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 78 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 June 17, 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 June 17, 2026.
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
BOS
- SFO
1 stop16h 25m
Frontier
Sun 9/1310:48 pm
SFO
- BOS
1 stop10h 17m
Frontier
Deal found 6/16![Frontier logo]()
$312
This JetBlue deal was found by Cheapflights users on 6/16. 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.
Mon 8/178:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Sun 9/1311:59 pm
SFO
- BOS
1 stop11h 41m
JetBlue
Deal found 6/16![JetBlue logo]()
$313
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/98:20 pm
BOS
- SFO
Nonstop6h 37m
United Airlines
Wed 7/154:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/16![United Airlines logo]()
$314
This JetBlue deal was found by Cheapflights users on 6/15. 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 8/252:45 pm
BOS
- SFO
1 stop12h 51m
JetBlue
Wed 8/2612:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 6/15![JetBlue logo]()
$315
This JetBlue deal was found by Cheapflights users on 6/16. 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.
Sat 7/186:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Wed 8/1212:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 6/16![JetBlue logo]()
$316
This Delta deal was found by Cheapflights users on 6/16. 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 7/27:20 am
BOS
- SFO
Nonstop6h 39m
Delta
Mon 7/63:00 pm
SFO
- BOS
Nonstop5h 40m
Delta
Deal found 6/16![Delta logo]()
$317
This JetBlue deal was found by Cheapflights users on 6/16. 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.
Fri 8/214:30 pm
BOS
- SFO
1 stop11h 06m
JetBlue
Thu 9/1011:45 am
SFO
- BOS
Nonstop5h 49m
JetBlue
Deal found 6/16![JetBlue logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 8/128:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Wed 8/1910:57 am
SFO
- BOS
1 stop10h 22m
JetBlue
Deal found 6/15![JetBlue logo]()
$320
This JetBlue deal was found by Cheapflights users on 6/16. 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 8/185:20 pm
BOS
- SFO
Nonstop6h 37m
JetBlue
Thu 9/1011:59 pm
SFO
- BOS
1 stop7h 47m
JetBlue
Deal found 6/16![JetBlue logo]()
$321
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 8/185:05 pm
BOS
- SFO
Nonstop6h 46m
Delta
Mon 9/149:43 pm
SFO
- BOS
Nonstop5h 47m
Delta
Deal found 6/16![Delta logo]()
$322
This JetBlue deal was found by Cheapflights users on 6/15. 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.
Mon 8/176:35 am
BOS
- SFO
Nonstop6h 31m
JetBlue
Fri 9/1111:59 pm
SFO
- BOS
1 stop11h 41m
JetBlue
Deal found 6/15![JetBlue logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/107:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/152:29 pm
SFO
- BOS
1 stop7h 45m
United Airlines
Deal found 6/16![United Airlines logo]()
$324
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 June 17, 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 June 17, 2026.
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/86:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Sun 7/1211:05 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/15![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 6/16. 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.
Sat 7/117:20 am
BOS
- SFO
Nonstop6h 31m
Delta
Sat 7/1810:10 pm
SFO
- BOS
Nonstop5h 35m
Delta
Deal found 6/16![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:35 pm
BOS
- SFO
1 stop8h 30m
Southwest
Wed 9/211:05 pm
SFO
- BOS
2 stops12h 50m
Southwest
Deal found 6/12![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:33 pm
BOS
- SFO
1 stop9h 35m
Alaska Airlines
Sun 9/135:19 pm
SFO
- BOS
1 stop9h 30m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Mon 7/2011:05 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:45 am
BOS
- SFO
2 stops16h 30m
Southwest
Wed 8/511:15 am
SFO
- BOS
1 stop10h 10m
Southwest
Deal found 6/12![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 am
BOS
- SFO
1 stop10h 59m
Alaska Airlines
Sun 8/309:27 am
SFO
- BOS
1 stop17h 22m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:20 am
BOS
- SFO
1 stop8h 15m
Southwest
Sat 9/59:25 am
SFO
- BOS
1 stop7h 25m
Southwest
Deal found 6/16![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
BOS
- SFO
Nonstop6h 30m
United Airlines
Sat 8/2911:59 pm
SFO
- BOS
1 stop9h 25m
United Airlines
Deal found 6/12![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:45 pm
BOS
- SFO
2 stops10h 20m
Southwest
Tue 8/411:40 pm
SFO
- BOS
1 stop13h 30m
Southwest
Deal found 6/14![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:10 pm
BOS
- SFO
2 stops11h 25m
Southwest
Sat 8/2211:35 am
SFO
- BOS
1 stop9h 50m
Southwest
Deal found 6/12![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:45 pm
BOS
- SFO
2 stops10h 35m
Southwest
Tue 8/46:50 am
SFO
- BOS
2 stops11h 35m
Southwest
Deal found 6/12![Southwest logo]()
$405
Last-minute flights from Boston to SonomaDiscover last-minute flight deals from Boston to Sonoma. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sonoma. Data last updated June 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/82:29 pm
SFO
- BOS
1 stop7h 45m
United Airlines
Deal found 6/14![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 6/16. 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 7/27:20 am
BOS
- SFO
Nonstop6h 39m
Delta
Mon 7/63:00 pm
SFO
- BOS
Nonstop5h 40m
Delta
Deal found 6/16![Delta logo]()
$317
This Expedia deal was found by Cheapflights users on 6/16. 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.
Thu 7/26:00 am
BOS
- SFO
1 stop16h 26m
Multiple Airlines
Thu 7/93:18 pm
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$328
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Fri 7/38:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Sun 7/1211:50 pm
SFO
- BOS
1 stop11h 53m
JetBlue
Deal found 6/17![JetBlue logo]()
$312
This Expedia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Sun 7/127:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/96:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/154:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/16![United Airlines logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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.
Thu 7/95:01 am
BOS
- SFO
1 stop9h 19m
JetBlue
Sun 7/1211:50 pm
SFO
- BOS
1 stop11h 53m
JetBlue
Deal found 6/16![JetBlue logo]()
$322
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/107:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/152:29 pm
SFO
- BOS
1 stop7h 45m
United Airlines
Deal found 6/16![United Airlines logo]()
$324
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:55 pm
BOS
- SFO
Nonstop6h 35m
JetBlue
Wed 7/2911:58 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Deal found 6/12![JetBlue logo]()
$327
This JetBlue deal was found by Cheapflights users on 6/16. 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.
Sat 7/186:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Tue 8/113:19 pm
SFO
- BOS
Nonstop5h 40m
JetBlue
Deal found 6/16![JetBlue logo]()
$316
This CheapOair deal was found by Cheapflights users on 6/15. 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.
Sat 7/187:35 am
BOS
- SFO
Nonstop6h 32m
Multiple Airlines
Sat 7/2511:00 pm
SFO
- BOS
1 stop8h 57m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$321
This JetBlue deal was found by Cheapflights users on 6/16. 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 7/217:05 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Wed 8/1210:17 pm
SFO
- BOS
Nonstop5h 43m
JetBlue
Deal found 6/16![JetBlue logo]()
$326
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 June 17, 2026.
Search for one-way flight options from Boston to Sonoma. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/49:40 am
BOS
- SFO
1 stop8h 29m
United Airlines
Deal found 6/16![United Airlines logo]()
$169
This Frontier deal was found by Cheapflights users on 6/15. 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 7/29:10 am
BOS
- SFO
1 stop13h 16m
Frontier
Deal found 6/15![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/14![United Airlines logo]()
$172
This Expedia deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:55 pm
BOS
- SFO
Nonstop6h 35m
JetBlue
Deal found 6/14![JetBlue logo]()
$173
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$174
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:59 am
BOS
- SFO
1 stop10h 14m
Frontier
Deal found 6/13![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:23 pm
BOS
- SFO
1 stop8h 36m
United Airlines
Deal found 6/12![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/17![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$178
This JetBlue deal was found by Cheapflights users on 6/16. 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 7/217:05 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 6/16![JetBlue logo]()
$179
This Delta deal was found by Cheapflights users on 6/15. 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 8/196:25 am
BOS
- SFO
1 stop18h 50m
Delta
Deal found 6/15![Delta logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/2111:52 am
BOS
- SFO
1 stop10h 26m
Frontier
Deal found 6/16![Frontier logo]()
$182
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 June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Frontier) |
One-way from | $169 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $457 |
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 June 17, 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 7/8
6:00 am-9:27 am
Nonstop6h 27m
San Francisco
Sun 7/12
11:05 pm-8:01 am
Nonstop5h 56m
$327
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 7/13
6:00 am-9:27 am
Nonstop6h 27m
San Francisco
Mon 7/20
11:05 pm-8:01 am
Nonstop5h 56m
$327
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 7/11
7:20 am-10:51 am
Nonstop6h 31m
San Francisco
Sat 7/18
10:10 pm-6:45 am
Nonstop5h 35m
$337
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 8/31
6:35 pm-12:05 am
1 stop8h 30m
San Francisco
Wed 9/2
11:05 pm-2:55 pm
2 stops12h 50m
$352
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 7/29
8:45 am-10:15 pm
2 stops16h 30m
San Francisco
Wed 8/5
11:15 am-12:25 am
1 stop10h 10m
$358
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 8/30
5:20 am-10:35 am
1 stop8h 15m
San Francisco
Sat 9/5
9:25 am-7:50 pm
1 stop7h 25m
$377
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 8/4
2:45 pm-10:05 pm
2 stops10h 20m
San Francisco
Tue 8/4
11:40 pm-4:10 pm
1 stop13h 30m
$378
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 8/15
12:10 pm-8:35 pm
2 stops11h 25m
San Francisco
Sat 8/22
11:35 am-12:25 am
1 stop9h 50m
$380
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 8/17
4:33 pm-11:08 pm
1 stop9h 35m
San Francisco
Sun 9/13
5:19 pm-5:49 am
1 stop9h 30m
$394
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 8/23
6:00 am-9:30 am
Nonstop6h 30m
San Francisco
Sat 8/29
11:59 pm-12:24 pm
1 stop9h 25m
$396
Showing 1-10 of 23 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 June 17, 2026.
It’s typically best to fly out from Boston to Sonoma in the evening. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.
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 June 17, 2026.
The most flights from BOS to SN9 are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).
How much does it cost to fly round-trip from Boston to Sonoma?
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 June 13, 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.
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 June 17, 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.
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
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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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
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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 June 17, 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 June 17, 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 June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$288 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$131 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$426 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$482 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$236 | Average$423 | FlexibilityNo cancel fee | On-time69% |