Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to San Francisco from $188

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 8/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
7:02 am - 10:33 pm
BOS
-
STS
18h 31m
1 stop
Alaska Airlines Logo
7:05 pm - 7:28 am
STS
-
BOS
9h 23m
1 stop
$379Alaska Airlines
Tue, Nov 3 - Wed, Nov 4
Alaska Airlines Logo
7:02 am - 10:33 pm
BOS
-
STS
18h 31m
1 stop
Alaska Airlines Logo
7:05 pm - 7:28 am
STS
-
BOS
9h 23m
1 stop
$383Alaska Airlines
Tue, Nov 3 - Wed, Nov 4
Alaska Airlines Logo
6:03 am - 12:26 pm
BOS
-
STS
9h 23m
1 stop
Alaska Airlines Logo
6:26 am - 5:40 am
STS
-
BOS
20h 14m
1 stop
$384Alaska Airlines
Tue, Jul 14 - Mon, Jul 20
Alaska Airlines Logo
6:03 am - 11:25 am
BOS
-
STS
32h 22m
2 stops
Alaska Airlines Logo
6:26 am - 5:40 am
STS
-
BOS
20h 14m
1 stop
$400Alaska Airlines
Tue, Jul 14 - Mon, Jul 20
Alaska Airlines Logo
7:00 am - 9:56 pm
BOS
-
STS
17h 56m
1 stop
Alaska Airlines Logo
6:16 am - 5:21 am
STS
-
BOS
20h 05m
1 stop
$403Alaska Airlines
Sat, Oct 3 - Sat, Oct 10
Alaska Airlines Logo
6:17 pm - 9:54 am
BOS
-
STS
18h 37m
1 stop
Alaska Airlines Logo
8:07 am - 6:09 am
STS
-
BOS
19h 02m
1 stop
$413Alaska Airlines
Fri, Aug 21 - Tue, Aug 25
Alaska Airlines Logo
8:28 am - 10:58 pm
BOS
-
STS
17h 30m
1 stop
Alaska Airlines Logo
6:26 am - 5:40 am
STS
-
BOS
20h 14m
1 stop
$437Alaska Airlines
Wed, Jul 8 - Tue, Jul 28
Alaska Airlines Logo
8:28 am - 10:58 pm
BOS
-
STS
17h 30m
1 stop
Alaska Airlines Logo
6:26 am - 5:40 am
STS
-
BOS
20h 14m
1 stop
$445Alaska Airlines
Tue, Aug 4 - Tue, Aug 11
Alaska Airlines Logo
6:03 am - 12:26 pm
BOS
-
STS
9h 23m
1 stop
Alaska Airlines Logo
5:56 pm - 5:40 am
STS
-
BOS
8h 44m
1 stop
$447Alaska Airlines
Tue, Jul 7 - Wed, Jul 29
Alaska Airlines Logo
10:03 am - 9:59 pm
BOS
-
STS
14h 56m
1 stop
Alaska Airlines Logo
5:04 pm - 7:29 am
STS
-
BOS
11h 25m
1 stop
$449Alaska Airlines
Thu, Oct 1 - Mon, Oct 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Alaska Airlines flights from Boston to Santa Rosa

Our best Alaska Airlines deals on Boston to Santa Rosa flight tickets
Alaska Airlines
Nov 3
BOS7:02 amBoston Logan Intl
18h 31m
1 stop
STS10:33 pmSanta Rosa Sonoma County
Nov 4
STS7:05 pmSanta Rosa Sonoma County
9h 23m
1 stop
BOS7:28 amBoston Logan Intl
$379
Alaska Airlines
Nov 3
BOS7:02 amBoston Logan Intl
18h 31m
1 stop
STS10:33 pmSanta Rosa Sonoma County
Nov 4
STS7:05 pmSanta Rosa Sonoma County
9h 23m
1 stop
BOS7:28 amBoston Logan Intl
$383
Alaska Airlines
Jul 14
BOS6:03 amBoston Logan Intl
9h 23m
1 stop
STS12:26 pmSanta Rosa Sonoma County
Jul 20
STS6:26 amSanta Rosa Sonoma County
20h 14m
1 stop
BOS5:40 amBoston Logan Intl
$384

Southwest flights from Boston to Santa Rosa

Our best Southwest deals on Boston to Santa Rosa flight tickets
Southwest
Aug 14
BOS9:40 amBoston Logan Intl
15h 55m
2 stops
STS10:35 pmSanta Rosa Sonoma County
Aug 18
STS6:00 amSanta Rosa Sonoma County
15h 05m
2 stops
BOS12:05 amBoston Logan Intl
$473
Southwest
Jul 8
BOS12:50 pmBoston Logan Intl
13h 00m
2 stops
STS10:50 pmSanta Rosa Sonoma County
Jul 29
STS6:00 amSanta Rosa Sonoma County
14h 20m
1 stop
BOS11:20 pmBoston Logan Intl
$482
Southwest
Sep 12
BOS8:40 amBoston Logan Intl
14h 10m
2 stops
STS7:50 pmSanta Rosa Sonoma County
Sep 27
STS5:05 pmSanta Rosa Sonoma County
13h 45m
2 stops
BOS9:50 amBoston Logan Intl
$489

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 June 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 11/3

7:02 am-10:33 pm

1 stop18h 31m

Santa Rosa Sonoma County

Wed 11/4

7:05 pm-7:28 am

1 stop9h 23m

$379

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 11/3

7:02 am-10:33 pm

1 stop18h 31m

Santa Rosa Sonoma County

Wed 11/4

7:05 pm-7:28 am

1 stop9h 23m

$383

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 7/14

6:03 am-12:26 pm

1 stop9h 23m

Santa Rosa Sonoma County

Mon 7/20

6:26 am-5:40 am

1 stop20h 14m

$384

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 7/14

6:03 am-11:25 am

2 stops32h 22m

Santa Rosa Sonoma County

Mon 7/20

6:26 am-5:40 am

1 stop20h 14m

$400

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Sat 10/3

7:00 am-9:56 pm

1 stop17h 56m

Santa Rosa Sonoma County

Sat 10/10

6:16 am-5:21 am

1 stop20h 05m

$403

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Fri 8/21

6:17 pm-9:54 am

1 stop18h 37m

Santa Rosa Sonoma County

Tue 8/25

8:07 am-6:09 am

1 stop19h 02m

$413

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Wed 7/8

8:28 am-10:58 pm

1 stop17h 30m

Santa Rosa Sonoma County

Tue 7/28

6:26 am-5:40 am

1 stop20h 14m

$437

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 8/4

8:28 am-10:58 pm

1 stop17h 30m

Santa Rosa Sonoma County

Tue 8/11

6:26 am-5:40 am

1 stop20h 14m

$445
Quickest round-trip

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Tue 7/7

6:03 am-12:26 pm

1 stop9h 23m

Santa Rosa Sonoma County

Wed 7/29

5:56 pm-5:40 am

1 stop8h 44m

$447

BostonSanta Rosa

BOS - STS

BOSSTS

Boston Logan Intl

Thu 10/1

10:03 am-9:59 pm

1 stop14h 56m

Santa Rosa Sonoma County

Mon 10/5

5:04 pm-7:29 am

1 stop11h 25m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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

8h 40m

Direct flights

None
The fastest flight from Boston to Santa Rosa takes 8h 40m
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 8h 40m.

  • 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 $433Free CancellationRating
7.9
12,560 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $439Free CancellationRating
7.1
11,737 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/22
Wed 7/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States