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Cheap flights from Boston to San Francisco from $199

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 6/9. 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
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
6:59 pm - 6:24 am
STS
-
BOS
8h 25m
1 stop
$407Alaska Airlines
Tue, Jun 2 - Tue, Jun 2
Alaska Airlines Logo
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
10:51 am - 5:44 am
STS
-
BOS
15h 53m
1 stop
$420Alaska Airlines
Tue, Jun 2 - Wed, Jun 3
Alaska Airlines Logo
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
6:59 pm - 6:20 am
STS
-
BOS
8h 21m
1 stop
$437Alaska Airlines
Wed, May 27 - Mon, Jun 8
Alaska Airlines Logo
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
12:12 pm - 6:20 am
STS
-
BOS
15h 08m
1 stop
$440Alaska Airlines
Tue, Jun 2 - Sat, Jun 6
Alaska Airlines Logo
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
6:59 pm - 6:20 am
STS
-
BOS
8h 21m
1 stop
$442Alaska Airlines
Tue, Jun 2 - Thu, Jun 4
Alaska Airlines Logo
6:00 am - 6:40 pm
BOS
-
STS
15h 40m
2 stops
Alaska Airlines Logo
2:53 pm - 6:20 am
STS
-
BOS
12h 27m
2 stops
$443Alaska Airlines
Wed, Jun 3 - Sat, Jun 6
Alaska Airlines Logo
6:40 pm - 2:13 pm
BOS
-
STS
22h 33m
1 stop
Alaska Airlines Logo
6:59 pm - 6:24 am
STS
-
BOS
8h 25m
1 stop
$445Alaska Airlines
Mon, Jun 1 - Tue, Jun 2
Alaska Airlines Logo
8:28 am - 6:20 pm
BOS
-
STS
12h 52m
1 stop
Alaska Airlines Logo
5:56 pm - 5:40 am
STS
-
BOS
8h 44m
1 stop
$453Alaska Airlines
Sat, Jul 4 - Tue, Jul 14
Alaska Airlines Logo
8:05 am - 2:13 pm
BOS
-
STS
9h 08m
1 stop
Alaska Airlines Logo
7:01 am - 5:44 am
STS
-
BOS
19h 43m
1 stop
$455Alaska Airlines
Wed, May 27 - Fri, Jun 5
Alaska Airlines Logo
4:33 pm - 10:58 pm
BOS
-
STS
9h 25m
1 stop
Alaska Airlines Logo
5:56 pm - 5:40 am
STS
-
BOS
8h 44m
1 stop
$457Alaska Airlines
Tue, Jul 28 - Tue, Aug 4

Alaska Airlines flights from Boston to Santa Rosa

Our best Alaska Airlines deals on Boston to Santa Rosa flight tickets
Alaska Airlines
Jun 2
BOS8:05 amBoston Logan Intl
9h 08m
1 stop
STS2:13 pmSanta Rosa Sonoma County
Jun 2
STS6:59 pmSanta Rosa Sonoma County
8h 25m
1 stop
BOS6:24 amBoston Logan Intl
$407
Alaska Airlines
Jun 2
BOS8:05 amBoston Logan Intl
9h 08m
1 stop
STS2:13 pmSanta Rosa Sonoma County
Jun 3
STS10:51 amSanta Rosa Sonoma County
15h 53m
1 stop
BOS5:44 amBoston Logan Intl
$420
Alaska Airlines
May 27
BOS8:05 amBoston Logan Intl
9h 08m
1 stop
STS2:13 pmSanta Rosa Sonoma County
Jun 4
STS6:59 pmSanta Rosa Sonoma County
8h 21m
1 stop
BOS6:20 amBoston Logan Intl
$437

American Airlines flights from Boston to Santa Rosa

Our best American Airlines deals on Boston to Santa Rosa flight tickets
American Airlines
Jul 7
BOS6:00 amBoston Logan Intl
9h 03m
1 stop
STS12:03 pmSanta Rosa Sonoma County
Jul 14
STS4:12 pmSanta Rosa Sonoma County
13h 35m
2 stops
BOS8:47 amBoston Logan Intl
$462
American Airlines
Jun 8
BOS6:00 amBoston Logan Intl
9h 05m
1 stop
STS12:05 pmSanta Rosa Sonoma County
Jun 10
STS4:20 pmSanta Rosa Sonoma County
13h 21m
2 stops
BOS8:41 amBoston Logan Intl
$472
American Airlines
Jul 21
BOS6:00 amBoston Logan Intl
12h 42m
2 stops
STS3:42 pmSanta Rosa Sonoma County
Jul 27
STS4:12 pmSanta Rosa Sonoma County
13h 31m
2 stops
BOS8:43 amBoston Logan Intl
$509

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 May 10, 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 6/2

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Tue 6/2

6:59 pm-6:24 am

1 stop8h 25m

$407

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 6/2

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Wed 6/3

10:51 am-5:44 am

1 stop15h 53m

$420
Quickest round-trip

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 5/27

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Mon 6/8

6:59 pm-6:20 am

1 stop8h 21m

$437

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 6/2

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Sat 6/6

12:12 pm-6:20 am

1 stop15h 08m

$440

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 6/2

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Thu 6/4

6:59 pm-6:20 am

1 stop8h 21m

$442

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 6/3

6:00 am-6:40 pm

2 stops15h 40m

Santa Rosa Sonoma County

Sat 6/6

2:53 pm-6:20 am

2 stops12h 27m

$443

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Mon 6/1

6:40 pm-2:13 pm

1 stop22h 33m

Santa Rosa Sonoma County

Tue 6/2

6:59 pm-6:24 am

1 stop8h 25m

$445

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Sat 7/4

8:28 am-6:20 pm

1 stop12h 52m

Santa Rosa Sonoma County

Tue 7/14

5:56 pm-5:40 am

1 stop8h 44m

$453

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 5/27

8:05 am-2:13 pm

1 stop9h 08m

Santa Rosa Sonoma County

Fri 6/5

7:01 am-5:44 am

1 stop19h 43m

$455

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 7/28

4:33 pm-10:58 pm

1 stop9h 25m

Santa Rosa Sonoma County

Tue 8/4

5:56 pm-5:40 am

1 stop8h 44m

$457

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

What is the typical price of a round-trip flight between Boston and Santa Rosa?

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of January, then departing from Boston during the month November is also very affordable. Most momondo users find prices during this month for around $433.

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

You could potentially save up to 30% 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 03m

Direct flights

None
The fastest flight from Boston to Santa Rosa takes 9h 03m
There are no direct flights from Boston to Santa Rosa. There are no popular flight routes from Boston to Santa Rosa.
Search flight deals

Frequently asked questions about flying from Boston to Santa Rosa

  • 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 03m.

  • 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
12,349 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $439Free CancellationRating
7.1
11,668 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

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