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Cheap flights from Boston to San Francisco from $200

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 - 2:20 pm
BOS
-
STS
34h 20m
2 stops
Alaska Airlines Logo
7:10 pm - 11:59 pm
STS
-
BOS
25h 49m
2 stops
$396Alaska Airlines
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
7:00 am - 11:59 pm
BOS
-
STS
19h 59m
2 stops
Alaska Airlines Logo
7:10 pm - 11:59 pm
STS
-
BOS
25h 49m
2 stops
$405Alaska Airlines
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
4:33 pm - 10:01 am
BOS
-
STS
20h 28m
2 stops
Alaska Airlines Logo
8:20 am - 11:59 pm
STS
-
BOS
12h 39m
2 stops
$416Alaska Airlines
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
4:33 pm - 10:01 am
BOS
-
STS
20h 28m
2 stops
Alaska Airlines Logo
10:01 am - 5:44 am
STS
-
BOS
16h 43m
1 stop
$427Alaska Airlines
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
5:56 pm - 10:58 am
BOS
-
STS
20h 02m
1 stop
Alaska Airlines Logo
7:10 pm - 11:59 pm
STS
-
BOS
25h 49m
2 stops
$432Alaska Airlines
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
7:00 am - 11:59 pm
BOS
-
STS
19h 59m
2 stops
Alaska Airlines Logo
7:00 am - 11:59 pm
STS
-
BOS
13h 59m
2 stops
$434Alaska Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
6:13 am - 12:26 pm
BOS
-
STS
9h 13m
1 stop
American Airlines Logo
12:56 pm - 12:24 am
STS
-
BOS
8h 28m
1 stop
$437American Airlines
Tue, May 5 - Tue, May 12
Southwest Logo
2:25 pm - 10:10 pm
BOS
-
STS
10h 45m
2 stops
Southwest Logo
6:00 am - 9:20 pm
STS
-
BOS
12h 20m
2 stops
$447Southwest
Tue, May 5 - Tue, May 12
American Airlines Logo
6:13 am - 12:26 pm
BOS
-
STS
9h 13m
1 stop
American Airlines Logo
12:56 pm - 12:24 am
STS
-
BOS
8h 28m
1 stop
$449American Airlines
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
5:05 pm - 2:20 pm
BOS
-
STS
24h 15m
2 stops
Alaska Airlines Logo
7:23 am - 5:44 am
STS
-
BOS
19h 21m
1 stop
$452Alaska Airlines
Tue, May 5 - Tue, May 12

American Airlines flights from Boston to Santa Rosa

Our best American Airlines deals on Boston to Santa Rosa flight tickets
American Airlines
May 5
BOS6:13 amBoston Logan Intl
9h 13m
1 stop
STS12:26 pmSanta Rosa Sonoma County
May 12
STS12:56 pmSanta Rosa Sonoma County
8h 28m
1 stop
BOS12:24 amBoston Logan Intl
$437
American Airlines
May 5
BOS6:13 amBoston Logan Intl
9h 13m
1 stop
STS12:26 pmSanta Rosa Sonoma County
May 12
STS12:56 pmSanta Rosa Sonoma County
8h 28m
1 stop
BOS12:24 amBoston Logan Intl
$449
American Airlines
May 27
BOS6:14 amBoston Logan Intl
9h 16m
1 stop
STS12:30 pmSanta Rosa Sonoma County
Jun 3
STS12:45 pmSanta Rosa Sonoma County
8h 19m
1 stop
BOS12:04 amBoston Logan Intl
$465

Southwest flights from Boston to Santa Rosa

Our best Southwest deals on Boston to Santa Rosa flight tickets
Southwest
May 5
BOS2:25 pmBoston Logan Intl
10h 45m
2 stops
STS10:10 pmSanta Rosa Sonoma County
May 12
STS6:00 amSanta Rosa Sonoma County
12h 20m
2 stops
BOS9:20 pmBoston Logan Intl
$447
Southwest
May 27
BOS2:25 pmBoston Logan Intl
10h 45m
2 stops
STS10:10 pmSanta Rosa Sonoma County
Jun 3
STS6:00 amSanta Rosa Sonoma County
13h 40m
2 stops
BOS10:40 pmBoston Logan Intl
$453
Southwest
Aug 5
BOS9:05 amBoston Logan Intl
15h 20m
1 stop
STS9:25 pmSanta Rosa Sonoma County
Aug 7
STS1:05 pmSanta Rosa Sonoma County
8h 25m
1 stop
BOS12:30 amBoston Logan Intl
$544

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 March 22, 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

Cheapest round-trip

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

7:00 am-2:20 pm

2 stops34h 20m

Santa Rosa Sonoma County

Wed 5/6

7:10 pm-11:59 pm

2 stops25h 49m

$396

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

7:00 am-11:59 pm

2 stops19h 59m

Santa Rosa Sonoma County

Wed 5/6

7:10 pm-11:59 pm

2 stops25h 49m

$405

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

4:33 pm-10:01 am

2 stops20h 28m

Santa Rosa Sonoma County

Tue 5/12

8:20 am-11:59 pm

2 stops12h 39m

$416

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

4:33 pm-10:01 am

2 stops20h 28m

Santa Rosa Sonoma County

Tue 5/12

10:01 am-5:44 am

1 stop16h 43m

$427

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

5:56 pm-10:58 am

1 stop20h 02m

Santa Rosa Sonoma County

Wed 5/6

7:10 pm-11:59 pm

2 stops25h 49m

$432

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

7:00 am-11:59 pm

2 stops19h 59m

Santa Rosa Sonoma County

Tue 5/12

7:00 am-11:59 pm

2 stops13h 59m

$434
Quickest round-trip

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

6:13 am-12:26 pm

1 stop9h 13m

Santa Rosa Sonoma County

Tue 5/12

12:56 pm-12:24 am

1 stop8h 28m

$437

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

2:25 pm-10:10 pm

2 stops10h 45m

Santa Rosa Sonoma County

Tue 5/12

6:00 am-9:20 pm

2 stops12h 20m

$447

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

6:13 am-12:26 pm

1 stop9h 13m

Santa Rosa Sonoma County

Tue 5/12

12:56 pm-12:24 am

1 stop8h 28m

$449

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 5/5

5:05 pm-2:20 pm

2 stops24h 15m

Santa Rosa Sonoma County

Tue 5/12

7:23 am-5:44 am

1 stop19h 21m

$452

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 37% on your flight if you consider stops on a Boston to Santa Rosa flight.

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 08m

Direct flights

None
The fastest flight from Boston to Santa Rosa takes 9h 08m
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 08m.

  • 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
7.9
12,094 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $451Free CancellationRating
7.1
11,485 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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