HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$166+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STS
kesä 17 — kesä 241
ti 6/17
ti 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 kesäkuu 12, 2025.

Round-trip from

$306
(Alaska Airlines)

One-way from

$166
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$439
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 ($11 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 June 2025
Search Deals

Find 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 kesäkuu 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
ke 9/38:59 amDCA - STS
1 stop13h 13mAlaska Airlines
ke 9/107:03 amSTS - DCA
1 stop10h 56mAlaska Airlines
Deal found 6/10$306
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
ke 9/244:43 pmEWR - STS
1 stop10h 07mAlaska Airlines
ke 10/16:00 amSTS - EWR
1 stop8h 13mAlaska Airlines
Deal found 6/11$322
This WAYA deal was found by Cheapflights users on 6/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 7/287:20 amEWR - STS
1 stop10h 40mMultiple Airlines
ma 8/42:22 pmSTS - EWR
1 stop12h 43mMultiple Airlines
Deal found 6/10$327
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
ke 9/35:52 pmIAD - STS
1 stop8h 58mAlaska Airlines
ke 9/107:52 pmSTS - IAD
1 stop17h 55mAlaska Airlines
Deal found 6/10$332
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
ti 9/234:28 pmJFK - STS
1 stop24h 59mAlaska Airlines
ti 9/306:00 amSTS - JFK
1 stop21h 09mAlaska Airlines
Deal found 6/11$352
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
ke 9/178:10 amPIT - STS
1 stop8h 26mAlaska Airlines
ti 9/233:07 pmSTS - PIT
2 stops12h 41mAlaska Airlines
Deal found 6/12$392
This WAYA deal was found by Cheapflights users on 6/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 7/286:59 amJFK - STS
1 stop11h 01mMultiple Airlines
ma 8/42:22 pmSTS - JFK
1 stop12h 08mMultiple Airlines
Deal found 6/10$419
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 8/145:25 pmIAD - STS
1 stop9h 25mHawaiian Airlines
la 8/166:00 amSTS - IAD
1 stop9h 59mHawaiian Airlines
Deal found 6/12$450
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 10/169:59 amDCA - STS
1 stop9h 55mHawaiian Airlines
ma 10/206:30 amSTS - DCA
1 stop10h 59mHawaiian Airlines
Deal found 6/10$482
This American Airlines deal was found by Cheapflights users on 6/10. 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.
la 8/168:20 amJFK - STS
2 stops10h 27mAmerican Airlines
ke 8/204:17 pmSTS - JFK
1 stop10h 13mAmerican Airlines
Deal found 6/10$534
This American Airlines deal was found by Cheapflights users on 6/12. 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.
ti 9/166:45 amDCA - STS
2 stops12h 03mAmerican Airlines
la 9/2012:57 pmSTS - DCA
2 stops9h 18mAmerican Airlines
Deal found 6/12$539
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
ke 7/96:45 amPHL - STS
1 stop15h 22mAlaska Airlines
ke 7/168:01 pmSTS - PHL
1 stop30h 24mAlaska Airlines
Deal found 6/12$573

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 kesäkuu 12, 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

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

ke 9/3

8:59 am-7:12 pm

1 stop13h 13m

Santa Rosa Sonoma County

ke 9/10

7:03 am-8:59 pm

1 stop10h 56m

$306

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

ke 9/24

4:43 pm-11:50 pm

1 stop10h 07m

Santa Rosa Sonoma County

ke 10/1

6:00 am-5:13 pm

1 stop8h 13m

$322

NewarkSanta Rosa

EWR - STS

EWRSTS

Newark

ma 7/28

7:20 am-3:00 pm

1 stop10h 40m

Santa Rosa Sonoma County

ma 8/4

2:22 pm-6:05 am

1 stop12h 43m

$327

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

ke 9/3

5:52 pm-11:50 pm

1 stop8h 58m

Santa Rosa Sonoma County

ke 9/10

7:52 pm-4:47 pm

1 stop17h 55m

$332

New YorkSanta Rosa

JFK - STS

JFKSTS

New York John F Kennedy Intl

ti 9/23

4:28 pm-2:27 pm

1 stop24h 59m

Santa Rosa Sonoma County

ti 9/30

6:00 am-6:09 am

1 stop21h 09m

$352

PittsburghSanta Rosa

PIT - STS

PITSTS

Pittsburgh

ke 9/17

8:10 am-1:36 pm

1 stop8h 26m

Santa Rosa Sonoma County

ti 9/23

3:07 pm-6:48 am

2 stops12h 41m

$392

New YorkSanta Rosa

JFK - STS

JFKSTS

New York John F Kennedy Intl

ma 7/28

6:59 am-3:00 pm

1 stop11h 01m

Santa Rosa Sonoma County

ma 8/4

2:22 pm-5:30 am

1 stop12h 08m

$419

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

to 8/14

5:25 pm-11:50 pm

1 stop9h 25m

Santa Rosa Sonoma County

la 8/16

6:00 am-6:59 pm

1 stop9h 59m

$450

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

to 10/16

9:59 am-4:54 pm

1 stop9h 55m

Santa Rosa Sonoma County

ma 10/20

6:30 am-8:29 pm

1 stop10h 59m

$482

New YorkSanta Rosa

JFK - STS

JFKSTS

New York John F Kennedy Intl

la 8/16

8:20 am-3:47 pm

2 stops10h 27m

Santa Rosa Sonoma County

ke 8/20

4:17 pm-5:30 am

1 stop10h 13m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 39 results
1
2
3
4

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, February is the cheapest month in which you can book a flight from Pennsylvania to Santa Rosa (average of $202). Flying from Pennsylvania to Santa Rosa in June is currently the most expensive (average of $395). 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.

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated kesäkuu 12, 2025.
To help decide which airline to fly from Pennsylvania to Santa Rosa, see what other customers have to say about Alaska Airlines, Hawaiian Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Pennsylvania to Santa Rosa one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $166. Hawaiian Airlines flights start at $198 while deals on American Airlines start at $265 one-way.

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

    The most popular route from Pennsylvania to Santa Rosa is Washington, D.C. Dulles Intl - Santa Rosa Sonoma County. You may also consider Newark - Santa Rosa Sonoma County or Washington, D.C. Reagan-National - 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, February is the cheapest month in which you can book a flight from Pennsylvania to Santa Rosa (average of $202). Flying from Pennsylvania to Santa Rosa in June is currently the most expensive (average of $395). 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 Pennsylvania?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
Seattle to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
O'Hare Intl to Las Vegas flights
Newark to Las Vegas flights
Los Angeles to San Francisco flights
Hobby to Las Vegas flights
San Francisco to Las Vegas flights
Newark to San Francisco flights
O'Hare Intl to Los Angeles flights
LaGuardia to Los Angeles flights
Los Angeles to Las Vegas flights
Seattle to Las Vegas flights
San Jose to Los Angeles flights
San Francisco to Los Angeles flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
George Bush Intcntl to Las Vegas flights
Boston to Los Angeles flights
Los Angeles to San Jose flights
Denver to Las Vegas flights
Oakland to Santa Ana flights
Atlanta to Las Vegas flights
LaGuardia to Las Vegas flights
Boston to Las Vegas flights
Santa Ana to Las Vegas flights
Oakland to Las Vegas flights
Oakland to Los Angeles flights
Baltimore to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Seattle to Santa Ana flights
Burbank to Las Vegas flights
Seattle to San Francisco flights
Los Angeles to Oakland flights
John F Kennedy Intl to Ontario flights
Newark to Burbank flights
Dulles Intl to San Francisco flights
LaGuardia to San Francisco flights
Dulles Intl to Las Vegas flights
Seattle to San Diego flights
O'Hare Intl to San Francisco flights
Baltimore to Los Angeles flights
Newark to Santa Ana flights
Portland to Los Angeles flights
Hobby to Los Angeles flights
John F Kennedy Intl to San Diego flights

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 kesäkuu 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$378Average$671FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.