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Santa Rosa

$157+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/257:09 amEWR - STS
1 stop9h 23mAlaska Airlines
Wed 12/317:00 amSTS - EWR
1 stop19h 59mAlaska Airlines
Deal found 12/16$680
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/318:59 amDCA - STS
1 stop29h 24mAlaska Airlines
Sun 1/43:53 pmSTS - DCA
1 stop25h 46mAlaska Airlines
Deal found 12/16$788
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/316:29 pmIAD - STS
1 stop19h 54mAlaska Airlines
Sun 1/48:17 pmSTS - IAD
2 stops18h 26mAlaska Airlines
Deal found 12/16$807
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/317:29 pmEWR - STS
1 stop31h 49mAlaska Airlines
Sun 1/46:00 amSTS - EWR
1 stop29h 29mAlaska Airlines
Deal found 12/15$808
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/315:28 pmJFK - STS
1 stop18h 56mAlaska Airlines
Sun 1/48:17 pmSTS - JFK
1 stop16h 12mAlaska Airlines
Deal found 12/15$822
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/249:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Wed 12/317:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Deal found 12/16$860
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/197:00 amPHL - STS
1 stop9h 32mAlaska Airlines
Wed 12/312:24 pmSTS - PHL
1 stop12h 13mAlaska Airlines
Deal found 12/16$904
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/257:33 amIAD - STS
1 stop8h 59mAlaska Airlines
Thu 1/16:45 amSTS - IAD
1 stop7h 36mAlaska Airlines
Deal found 12/16$943
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/257:00 amPHL - STS
1 stop9h 32mAlaska Airlines
Mon 1/56:00 amSTS - PHL
1 stop8h 44mAlaska Airlines
Deal found 12/17$943
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmPHL - STS
1 stop20h 49mAmerican Airlines
Sun 1/412:59 pmSTS - PHL
1 stop13h 22mAmerican Airlines
Deal found 12/16$955
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/224:05 pmJFK - STS
1 stop10h 54mAlaska Airlines
Tue 1/66:00 amSTS - JFK
1 stop10h 24mAlaska Airlines
Deal found 12/15$973
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/249:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Sun 12/287:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Deal found 12/16$984

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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$272
(Alaska Airlines)

One-way from

$157
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$446
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. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Thu 1/22

7:00 am-11:59 pm

1 stop19h 59m

Santa Rosa Sonoma County

Tue 2/3

11:15 am-6:46 pm

1 stop28h 31m

$272

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Fri 2/6

7:00 am-10:35 am

1 stop30h 35m

Santa Rosa Sonoma County

Tue 2/10

11:15 am-6:46 pm

1 stop28h 31m

$272

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Mon 1/19

7:00 am-10:35 am

1 stop30h 35m

Santa Rosa Sonoma County

Thu 2/5

9:33 pm-6:46 pm

1 stop18h 13m

$282

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Fri 1/23

7:00 am-11:59 pm

1 stop19h 59m

Santa Rosa Sonoma County

Wed 2/4

11:15 am-6:46 pm

1 stop28h 31m

$282

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Mon 1/19

7:00 am-11:59 pm

1 stop19h 59m

Santa Rosa Sonoma County

Sun 2/1

9:33 pm-6:46 pm

1 stop18h 13m

$282

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Mon 1/19

7:00 am-11:59 pm

1 stop19h 59m

Santa Rosa Sonoma County

Wed 2/4

11:15 am-6:46 pm

1 stop28h 31m

$282

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Wed 1/21

7:00 am-10:35 am

1 stop30h 35m

Santa Rosa Sonoma County

Thu 2/5

9:33 pm-6:46 pm

1 stop18h 13m

$288

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-9:52 pm

1 stop17h 47m

Santa Rosa Sonoma County

Wed 2/18

7:57 pm-5:20 pm

1 stop18h 23m

$304

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-10:35 am

1 stop19h 31m

Santa Rosa Sonoma County

Tue 2/3

11:15 am-4:26 pm

1 stop26h 11m

$320

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

Wed 1/21

7:00 am-9:56 am

2 stops29h 56m

Santa Rosa Sonoma County

Wed 2/4

11:15 am-6:46 pm

1 stop28h 31m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 November is currently the most expensive (average of $276). 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, American Airlines, and Southwest can get you from Pennsylvania to Santa Rosa in just under 10h 17m. Your travel time can differ by up to 9h 42m. The distance from Pennsylvania to Santa Rosa is about 2517 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 New York John F Kennedy Intl - Santa Rosa Sonoma County. You may also consider Newark - Santa Rosa Sonoma County or Philadelphia - 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 November is currently the most expensive (average of $276). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$289Average$701FlexibilityNo cancel feeOn-time71%

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