$162+ Cheap flights from Boston (BOS) to Sonoma, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Sep 1 — Sep 81
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 49 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Boston to Sonoma
Cheapest
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 August 2, 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 August 2, 2026.
This Expedia deal was found by Cheapflights users on 8/1. 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 8/268:00 am
BOS
- SFO
1 stop16h 42m
Multiple Airlines
Mon 8/3110:35 pm
SFO
- BOS
1 stop10h 12m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:36 am
BOS
- SFO
2 stops14h 04m
Frontier
Sat 9/510:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/30![Frontier logo]()
$283
This Priceline deal was found by Cheapflights users on 7/29. 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.
Tue 9/2212:52 pm
BOS
- SFO
1 stop10h 16m
Multiple Airlines
Sat 10/34:43 pm
SFO
- BOS
1 stop9h 38m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$284
This Vliegwinkel deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:54 pm
BOS
- SFO
1 stop9h 54m
Multiple Airlines
Sat 9/196:58 pm
SFO
- BOS
1 stop8h 11m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$285
This Frontier deal was found by Cheapflights users on 7/29. 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 9/812:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Tue 9/1510:05 pm
SFO
- BOS
1 stop11h 04m
Frontier
Deal found 7/29![Frontier logo]()
$286
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 10/221:00 pm
BOS
- SFO
1 stop11h 28m
JetBlue
Mon 10/268:45 pm
SFO
- BOS
1 stop8h 07m
JetBlue
Deal found 7/28![JetBlue logo]()
$287
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:35 am
BOS
- SFO
Nonstop6h 34m
Frontier
Wed 8/2610:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/29![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 7/29. 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 9/166:09 pm
BOS
- SFO
Nonstop6h 31m
Multiple Airlines
Mon 9/2110:05 pm
SFO
- BOS
1 stop11h 02m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 7/29. 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 8/1912:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Thu 8/2010:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/29![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:00 am
BOS
- SFO
1 stop12h 22m
Multiple Airlines
Sun 9/1310:05 pm
SFO
- BOS
1 stop11h 04m
Multiple Airlines
Deal found 7/30![Multiple Airlines 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 August 2, 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 August 2, 2026.
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm
BOS
- SFO
Nonstop6h 30m
Delta
Fri 9/183:00 pm
SFO
- BOS
Nonstop5h 46m
Delta
Deal found 7/31![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:30 am
BOS
- SFO
Nonstop6h 30m
United Airlines
Tue 9/1510:58 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 7/30![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:05 am
BOS
- SFO
2 stops10h 40m
Southwest
Sat 9/1911:35 am
SFO
- BOS
1 stop9h 55m
Southwest
Deal found 7/29![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/46:17 pm
BOS
- SFO
1 stop17h 29m
Alaska Airlines
Sat 9/123:03 pm
SFO
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$353
This JetBlue deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:57 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Mon 8/249:44 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Deal found 7/30![JetBlue logo]()
$368
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:35 am
BOS
- SFO
Nonstop6h 29m
Delta
Tue 9/157:10 am
SFO
- BOS
Nonstop5h 47m
Delta
Deal found 7/31![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:55 pm
BOS
- SFO
Nonstop6h 54m
United Airlines
Thu 12/317:01 pm
SFO
- BOS
1 stop7h 52m
United Airlines
Deal found 8/2![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 am
BOS
- SFO
1 stop13h 55m
Southwest
Fri 9/2510:50 am
SFO
- BOS
1 stop10h 40m
Southwest
Deal found 7/30![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Thu 10/227:03 am
BOS
- SFO
1 stop10h 20m
Alaska Airlines
Sat 10/2410:40 am
SFO
- BOS
1 stop15h 41m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 7/29. 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 10/77:45 am
BOS
- SFO
Nonstop6h 40m
Delta
Sun 10/189:54 pm
SFO
- BOS
Nonstop5h 46m
Delta
Deal found 7/29![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:55 pm
BOS
- SFO
Nonstop6h 43m
Delta
Mon 8/249:48 pm
SFO
- BOS
Nonstop5h 42m
Delta
Deal found 8/1![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 8/1. 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 8/256:25 am
BOS
- SFO
1 stop12h 25m
Delta
Tue 9/223:00 pm
SFO
- BOS
Nonstop5h 46m
Delta
Deal found 8/1![Delta logo]()
$382
Last-minute flights from Boston to SonomaDiscover last-minute flight deals from Boston to Sonoma. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sonoma. Data last updated August 2, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:35 am
BOS
- SFO
Nonstop6h 34m
Frontier
Wed 8/2610:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/29![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 7/29. 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 8/1912:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Fri 8/2110:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/29![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Thu 8/2710:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/30![Frontier logo]()
$286
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Tue 9/152:39 pm
SFO
- BOS
Nonstop6h 20m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$289
This Expedia deal was found by Cheapflights users on 7/29. 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 8/2112:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Mon 8/243:25 pm
SFO
- BOS
1 stop11h 24m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$295
This Expedia deal was found by Cheapflights users on 8/1. 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 8/268:00 am
BOS
- SFO
1 stop16h 42m
Multiple Airlines
Mon 8/3110:35 pm
SFO
- BOS
1 stop10h 12m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$282
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Wed 9/910:15 am
SFO
- BOS
Nonstop5h 46m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:36 am
BOS
- SFO
2 stops14h 04m
Frontier
Sat 9/510:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/30![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 8/279:36 am
BOS
- SFO
2 stops14h 04m
Frontier
Sat 8/2910:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/29![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/279:36 am
BOS
- SFO
2 stops14h 04m
Frontier
Mon 8/3110:35 pm
SFO
- BOS
1 stop10h 12m
Frontier
Deal found 7/28![Frontier logo]()
$287
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Mon 8/3111:38 am
SFO
- BOS
1 stop15h 11m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Thu 9/310:59 pm
SFO
- BOS
2 stops31h 10m
Frontier
Deal found 7/30![Frontier logo]()
$296
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 August 2, 2026.
Search for one-way flight options from Boston to Sonoma. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:52 pm
BOS
- SFO
2 stops14h 22m
Frontier
Deal found 7/31![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:54 pm
BOS
- SFO
2 stops14h 20m
Frontier
Deal found 7/30![Frontier logo]()
$163
This JetBlue deal was found by Cheapflights users on 7/28. 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 10/66:50 am
BOS
- SFO
Nonstop6h 23m
JetBlue
Deal found 7/28![JetBlue logo]()
$164
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:35 am
BOS
- SFO
Nonstop6h 29m
Delta
Deal found 7/30![Delta logo]()
$165
This Super.com deal was found by Cheapflights users on 7/29. 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 9/812:45 pm
BOS
- SFO
1 stop9h 18m
Frontier
Deal found 7/29![Frontier logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:00 am
BOS
- SFO
1 stop27h 46m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:11 am
BOS
- SFO
2 stops33h 46m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:00 am
BOS
- SFO
1 stop9h 45m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$169
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:28 am
BOS
- SFO
1 stop9h 52m
Frontier
Deal found 7/31![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 7/28. 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 8/268:55 pm
BOS
- SFO
Nonstop6h 35m
JetBlue
Deal found 7/28![JetBlue logo]()
$171
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:00 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Deal found 7/30![JetBlue logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:30 pm
BOS
- SFO
Nonstop6h 28m
JetBlue
Deal found 7/30![JetBlue logo]()
$173
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Expedia) |
One-way from | $162 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $413 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Sonoma that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 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
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 9/15
5:15 pm-8:45 pm
Nonstop6h 30m
San Francisco
Fri 9/18
3:00 pm-11:46 pm
Nonstop5h 46m
$338
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 9/11
7:35 am-11:04 am
Nonstop6h 29m
San Francisco
Tue 9/15
7:10 am-3:57 pm
Nonstop5h 47m
$338
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 9/8
7:30 am-11:00 am
Nonstop6h 30m
San Francisco
Tue 9/15
10:58 pm-7:54 am
Nonstop5h 56m
$339
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 10/7
7:45 am-11:25 am
Nonstop6h 40m
San Francisco
Sun 10/18
9:54 pm-6:40 am
Nonstop5h 46m
$349
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 9/12
7:05 am-2:45 pm
2 stops10h 40m
San Francisco
Sat 9/19
11:35 am-12:30 am
1 stop9h 55m
$352
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 9/4
6:17 pm-8:46 am
1 stop17h 29m
San Francisco
Sat 9/12
3:03 pm-6:09 am
1 stop12h 06m
$353
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 12/24
5:55 pm-9:49 pm
Nonstop6h 54m
San Francisco
Thu 12/31
7:01 pm-5:53 am
1 stop7h 52m
$359
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 9/19
5:30 am-4:25 pm
1 stop13h 55m
San Francisco
Fri 9/25
10:50 am-12:30 am
1 stop10h 40m
$363
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 10/22
7:03 am-2:23 pm
1 stop10h 20m
San Francisco
Sat 10/24
10:40 am-5:21 am
1 stop15h 41m
$365
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 8/14
6:57 pm-10:38 pm
Nonstop6h 41m
San Francisco
Mon 8/24
9:44 pm-6:28 am
Nonstop5h 44m
$368
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 August 2, 2026.
It’s typically best to fly out from Boston to Sonoma in the evening. Doing so could potentially save you 34% 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 August 2, 2026.
The most flights from BOS to SN9 are scheduled on a Friday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Boston to Sonoma?
Airfare is below average for this route at the moment.
Boston to Sonoma flights typically cost between $333 and $538 in August.The cheapest round-trip price found within the last 5 days was $282 on Multiple Airlines (Aug 26-Aug 31).
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 July 25, 2026.
Travelers seeking maximum savings on their Boston to Sonoma flight should consider departing on Saturday afternoons 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 August 2, 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.
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
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 August 2, 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 August 2, 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$263 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$135 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$352 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$169 | Average$434 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$345 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$230 | Average$420 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$235 | Average$446 | FlexibilityNo cancel fee | On-time69% |