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Santa Rosa

$177+ Cheap flights from Pennsylvania to Santa Rosa (STS)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Pennsylvania to Santa Rosa

Cheapest flights from Pennsylvania to Santa Rosa
Explore the most affordable flight options available from Pennsylvania to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:00 am
JFK
-
STS
1 stop17h 52m
Alaska Airlines
Wed 3/187:00 am
STS
-
JFK
1 stop20h 29m
Alaska Airlines
Deal found 1/28$350
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:00 am
JFK
-
STS
1 stop17h 52m
Alaska Airlines
Mon 3/166:50 pm
STS
-
JFK
2 stops18h 10m
Alaska Airlines
Deal found 1/28$370
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 3/317:18 am
EWR
-
STS
2 stops19h 41m
Alaska Airlines
Wed 4/87:05 am
STS
-
EWR
2 stops13h 50m
Alaska Airlines
Deal found 1/27$374
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/19:00 am
EWR
-
STS
1 stop12h 01m
Alaska Airlines
Wed 4/87:05 am
STS
-
EWR
2 stops13h 50m
Alaska Airlines
Deal found 1/27$376
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 3/56:20 pm
IAD
-
STS
1 stop8h 31m
Alaska Airlines
Tue 3/1010:51 am
STS
-
IAD
1 stop27h 36m
Alaska Airlines
Deal found 1/27$378
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 3/75:06 pm
DCA
-
STS
1 stop18h 08m
Alaska Airlines
Mon 3/97:48 pm
STS
-
DCA
1 stop21h 17m
Alaska Airlines
Deal found 1/27$393
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/304:31 pm
EWR
-
STS
1 stop9h 56m
Alaska Airlines
Sun 5/36:46 pm
STS
-
EWR
2 stops16h 44m
Alaska Airlines
Deal found 1/27$394
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 3/184:29 pm
EWR
-
STS
1 stop9h 44m
Alaska Airlines
Mon 3/236:53 pm
STS
-
EWR
1 stop16h 34m
Alaska Airlines
Deal found 1/29$398
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 am
EWR
-
STS
2 stops14h 48m
Alaska Airlines
Sun 5/36:46 pm
STS
-
EWR
2 stops16h 44m
Alaska Airlines
Deal found 1/27$400
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:59 am
DCA
-
STS
1 stop27h 02m
Alaska Airlines
Mon 4/276:51 pm
STS
-
DCA
1 stop22h 09m
Alaska Airlines
Deal found 1/28$403
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 9/1810:00 am
JFK
-
STS
1 stop15h 53m
Alaska Airlines
Mon 9/217:00 am
STS
-
JFK
1 stop29h 42m
Alaska Airlines
Deal found 1/27$403
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/177:29 pm
EWR
-
STS
1 stop24h 41m
Alaska Airlines
Wed 4/227:46 pm
STS
-
EWR
1 stop15h 44m
Alaska Airlines
Deal found 1/27$405

Find flight deals from Pennsylvania to Santa Rosa

Keep the following information in mind while searching for Pennsylvania to Santa Rosa flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$350
(Expedia)

One-way from

$177
(Expedia)

Popular in

January

Cheapest in

September

Average price

$439
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
Search Deals
From Pennsylvania to Santa Rosa Sonoma County
Search Deals
One-way flight from Pennsylvania to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Pennsylvania to Santa Rosa that are best for you.

Fly from

Pennsylvania

Fly to

Santa Rosa

Route

Depart

Return

Price

New YorkSanta Rosa

JFK - STS

JFKSTS

New York John F Kennedy Intl

Sat 3/14

7:00 am-9:52 pm

1 stop17h 52m

Santa Rosa Sonoma County

Mon 3/16

6:50 pm-4:00 pm

2 stops18h 10m

$370

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

Fri 4/17

9:00 am-6:01 pm

1 stop12h 01m

Santa Rosa Sonoma County

Wed 4/22

7:46 pm-2:30 pm

1 stop15h 44m

$376

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-11:51 pm

1 stop8h 31m

Santa Rosa Sonoma County

Tue 3/10

10:51 am-5:27 pm

1 stop27h 36m

$378

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 3/7

5:06 pm-8:14 am

1 stop18h 08m

Santa Rosa Sonoma County

Mon 3/9

7:48 pm-8:05 pm

1 stop21h 17m

$393

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

Thu 4/30

4:31 pm-11:27 pm

1 stop9h 56m

Santa Rosa Sonoma County

Sun 5/3

6:46 pm-2:30 pm

2 stops16h 44m

$394

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

Wed 3/18

4:29 pm-11:13 pm

1 stop9h 44m

Santa Rosa Sonoma County

Mon 3/23

6:53 pm-2:27 pm

1 stop16h 34m

$398

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 4/25

8:00 am-10:57 pm

1 stop17h 57m

Santa Rosa Sonoma County

Mon 4/27

6:51 pm-8:00 pm

1 stop22h 09m

$403

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 4/24

9:59 am-10:01 am

1 stop27h 02m

Santa Rosa Sonoma County

Mon 4/27

6:51 pm-8:00 pm

1 stop22h 09m

$403

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

Tue 3/17

9:00 am-9:52 pm

1 stop15h 52m

Santa Rosa Sonoma County

Mon 3/23

6:53 pm-2:27 pm

1 stop16h 34m

$408

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

Tue 3/31

7:18 am-11:59 pm

2 stops19h 41m

Santa Rosa Sonoma County

Tue 4/7

7:53 pm-3:30 pm

1 stop16h 37m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Pennsylvania with our price prediction graph.
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 Pennsylvania to Santa Rosa

What is the cheapest month to book a flight from Pennsylvania to Santa Rosa?

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Santa Rosa (average of $126). Flying from Pennsylvania to Santa Rosa in December is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santa Rosa from Pennsylvania?

    Santa Rosa Sonoma County (STS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Pennsylvania to Santa Rosa.

  • How long is the flight from Pennsylvania to Santa Rosa?

    Alaska Airlines, Southwest, and American Airlines can get you from Pennsylvania to Santa Rosa in just under 8h 33m. Your travel time can differ by up to 9h 19m. The distance from Pennsylvania to Santa Rosa is about 2250 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Pennsylvania to Santa Rosa?

    The most popular route from Pennsylvania to Santa Rosa is Newark - Santa Rosa Sonoma County. You may also consider New York John F Kennedy Intl - Santa Rosa Sonoma County or Washington, D.C. Dulles Intl - Santa Rosa Sonoma County.

  • Can I find deals for flights from Pennsylvania to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Santa Rosa.

  • Can I find deals for business class flights from Pennsylvania to Santa Rosa?

    Yes. Cheapflights offers flight deals from Pennsylvania to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to Santa Rosa?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Santa Rosa (average of $126). Flying from Pennsylvania to Santa Rosa in December is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Alternative routes for Pennsylvania to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pennsylvania to Santa Rosa

Discover the top airline that operate flights from Pennsylvania to Santa Rosa. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$289Average$701FlexibilityNo cancel feeOn-time71%

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