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Cheap flights from Boston to San Francisco from $208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Francisco departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 10:11 am
BOS
-
STS
30h 11m
2 stops
Alaska Airlines Logo
7:00 am - 6:54 am
STS
-
BOS
20h 54m
2 stops
$353Alaska Airlines
Tue, Feb 24 - Tue, Mar 3
Alaska Airlines Logo
5:40 pm - 10:03 am
BOS
-
STS
19h 23m
1 stop
Alaska Airlines Logo
7:02 pm - 3:27 pm
STS
-
BOS
17h 25m
1 stop
$363Alaska Airlines
Tue, Mar 31 - Mon, Apr 6
Alaska Airlines Logo
4:36 pm - 9:14 am
BOS
-
STS
19h 38m
1 stop
Alaska Airlines Logo
7:48 pm - 11:59 pm
STS
-
BOS
25h 11m
2 stops
$367Alaska Airlines
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
6:00 am - 6:01 pm
BOS
-
STS
15h 01m
2 stops
Alaska Airlines Logo
7:02 pm - 3:27 pm
STS
-
BOS
17h 25m
1 stop
$368Alaska Airlines
Tue, Mar 31 - Mon, Apr 6
Alaska Airlines Logo
6:24 pm - 10:32 am
BOS
-
STS
19h 08m
1 stop
Alaska Airlines Logo
7:57 pm - 4:36 pm
STS
-
BOS
17h 39m
1 stop
$373Alaska Airlines
Tue, Feb 24 - Mon, Mar 2
Alaska Airlines Logo
9:02 am - 10:11 am
BOS
-
STS
28h 09m
2 stops
Alaska Airlines Logo
7:00 am - 6:54 am
STS
-
BOS
20h 54m
2 stops
$378Alaska Airlines
Wed, Feb 25 - Wed, Mar 4
Alaska Airlines Logo
5:44 pm - 7:02 pm
BOS
-
STS
28h 18m
1 stop
Alaska Airlines Logo
7:00 am - 6:54 am
STS
-
BOS
20h 54m
2 stops
$383Alaska Airlines
Mon, Feb 23 - Tue, Mar 3
Alaska Airlines Logo
5:44 pm - 7:17 pm
BOS
-
STS
28h 33m
2 stops
Alaska Airlines Logo
7:00 am - 6:54 am
STS
-
BOS
20h 54m
2 stops
$388Alaska Airlines
Tue, Feb 24 - Mon, Mar 2
Alaska Airlines Logo
7:00 am - 9:52 pm
BOS
-
STS
17h 52m
1 stop
Alaska Airlines Logo
7:02 pm - 5:53 am
STS
-
BOS
7h 51m
1 stop
$393Alaska Airlines
Wed, Mar 11 - Wed, Mar 18
Alaska Airlines Logo
5:44 pm - 7:02 pm
BOS
-
STS
28h 18m
1 stop
Alaska Airlines Logo
7:02 pm - 5:53 am
STS
-
BOS
7h 51m
1 stop
$398Alaska Airlines
Mon, Mar 9 - Wed, Mar 18

Alaska Airlines flights from Boston to Santa Rosa

Our best Alaska Airlines deals on Boston to Santa Rosa flight tickets
Alaska Airlines
Feb 24
BOS7:00 amBoston Logan Intl
30h 11m
2 stops
STS10:11 amSanta Rosa Sonoma County
Mar 4
STS7:00 amSanta Rosa Sonoma County
13h 59m
2 stops
BOS11:59 pmBoston Logan Intl
$353
Alaska Airlines
Mar 31
BOS5:40 pmBoston Logan Intl
19h 23m
1 stop
STS10:03 amSanta Rosa Sonoma County
Apr 6
STS7:02 pmSanta Rosa Sonoma County
17h 25m
1 stop
BOS3:27 pmBoston Logan Intl
$363
Alaska Airlines
Feb 25
BOS4:36 pmBoston Logan Intl
19h 38m
1 stop
STS9:14 amSanta Rosa Sonoma County
Mar 2
STS7:48 pmSanta Rosa Sonoma County
25h 11m
2 stops
BOS11:59 pmBoston Logan Intl
$367

Southwest flights from Boston to Santa Rosa

Our best Southwest deals on Boston to Santa Rosa flight tickets
Southwest
Apr 8
BOS2:25 pmBoston Logan Intl
10h 45m
2 stops
STS10:10 pmSanta Rosa Sonoma County
Apr 12
STS5:05 pmSanta Rosa Sonoma County
12h 00m
2 stops
BOS8:05 amBoston Logan Intl
$482
Southwest
May 21
BOS1:20 pmBoston Logan Intl
12h 20m
2 stops
STS10:40 pmSanta Rosa Sonoma County
May 27
STS6:00 amSanta Rosa Sonoma County
9h 35m
2 stops
BOS6:35 pmBoston Logan Intl
$557
Southwest
May 14
BOS1:20 pmBoston Logan Intl
12h 20m
2 stops
STS10:40 pmSanta Rosa Sonoma County
May 17
STS5:05 pmSanta Rosa Sonoma County
13h 55m
2 stops
BOS10:00 amBoston Logan Intl
$569

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Santa Rosa 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Boston to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 2/24

7:00 am-10:11 am

2 stops30h 11m

Santa Rosa Sonoma County

Tue 3/3

7:00 am-6:54 am

2 stops20h 54m

$353

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 3/31

5:40 pm-10:03 am

1 stop19h 23m

Santa Rosa Sonoma County

Mon 4/6

7:02 pm-3:27 pm

1 stop17h 25m

$363

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 2/25

4:36 pm-9:14 am

1 stop19h 38m

Santa Rosa Sonoma County

Mon 3/2

7:48 pm-11:59 pm

2 stops25h 11m

$367

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 3/31

6:00 am-6:01 pm

2 stops15h 01m

Santa Rosa Sonoma County

Mon 4/6

7:02 pm-3:27 pm

1 stop17h 25m

$368

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 2/24

6:24 pm-10:32 am

1 stop19h 08m

Santa Rosa Sonoma County

Mon 3/2

7:57 pm-4:36 pm

1 stop17h 39m

$373

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 2/25

9:02 am-10:11 am

2 stops28h 09m

Santa Rosa Sonoma County

Wed 3/4

7:00 am-6:54 am

2 stops20h 54m

$378

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Mon 2/23

5:44 pm-7:02 pm

1 stop28h 18m

Santa Rosa Sonoma County

Tue 3/3

7:00 am-6:54 am

2 stops20h 54m

$383

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 2/24

5:44 pm-7:17 pm

2 stops28h 33m

Santa Rosa Sonoma County

Mon 3/2

7:00 am-6:54 am

2 stops20h 54m

$388

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 3/11

7:00 am-9:52 pm

1 stop17h 52m

Santa Rosa Sonoma County

Wed 3/18

7:02 pm-5:53 am

1 stop7h 51m

$393

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Mon 3/9

5:44 pm-7:02 pm

1 stop28h 18m

Santa Rosa Sonoma County

Wed 3/18

7:02 pm-5:53 am

1 stop7h 51m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Boston to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Boston to Santa Rosa flights?

You could potentially save up to 34% on your flight if you consider stops on a Boston to Santa Rosa flight.

How have Boston to Santa Rosa flight prices changed over time?

When to book flights from Boston to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Santa Rosa (BOS to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Santa Rosa

Fastest flight time

9h 34m

Direct flights

None
The fastest flight from Boston to Santa Rosa takes 9h 34m
There are no direct flights from Boston to Santa Rosa. There are no popular flight routes from Boston to Santa Rosa.
Search flight deals

  • How far is Boston Logan Intl to Santa Rosa Sonoma County by plane?

    The straight-line distance from Boston Logan Intl to Santa Rosa Sonoma County is 2687.7 mi. In terms of flight time, this usually takes a little over 9h 34m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Boston Logan Intl Airport to Santa Rosa Sonoma County Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents you'll need for your trip to Santa Rosa Sonoma County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santa Rosa Sonoma County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Santa Rosa?

Best airlines flying from Boston to Santa Rosa

Compare and see reviews for airlines that fly from Boston to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $432Free CancellationRating
8.0
11,842 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $451Free CancellationRating
7.2
11,238 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Santa Rosa?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Santa Rosa. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Santa Rosa with flexible booking policies on momondo?

Yes. All flights to Santa Rosa from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Santa Rosa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Santa Rosa.

I’m not ready to book a flight from Boston to Santa Rosa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Santa Rosa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santa Rosa and let you know when they change.

An easier way to manage your Santa Rosa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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