HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Philadelphia to Santa Rosa (PHL - STS) from $221

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — STS
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Philadelphia to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 30, 2024.

Popular in

November

Cheapest in

January

Round-trip from

$268

One-way from

$244
High demand for flights, 25% potential price rise
Search Deals
Best time to find cheap flights, 44% potential price drop
Search Deals
From Philadelphia to Santa Rosa Sonoma County
Search Deals
One-way flight from Philadelphia to Santa Rosa Sonoma County
Search Deals

What is the cheapest day to fly round-trip from Philadelphia to Santa Rosa?

Flights from Philadelphia to Santa Rosa are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santa Rosa.

How far in advance should I book a flight from Philadelphia to Santa Rosa?

Find a great deal and save up to 49% by booking at least 26 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Philadelphia to Santa Rosa within the next two weeks, with the cheapest ticket starting at $418.

What is the cheapest month to fly from Philadelphia to Santa Rosa?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Philadelphia in September are about $396 on average during September, but can be found for as low as $188.

What is the cheapest time of day to fly from PHL to STS?

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Santa Rosa at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

Cheap American Airlines flights from Philadelphia to Santa Rosa

Explore cheap flight options specifically provided by American Airlines for the route between Philadelphia and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Find some of the cheapest American Airlines flights traveling from Philadelphia to Santa Rosa. Come back soon if you're not finding the exact deal you're looking for.
sáb. 8/245:00 amPHL - STS
1 stop9h 47mAmerican Airlines
mié. 9/44:19 pmSTS - PHL
2 stops13h 55mAmerican Airlines
Deal found 5/29$504
sáb. 8/248:33 amPHL - STS
2 stops10h 12mAmerican Airlines
mié. 9/44:19 pmSTS - PHL
2 stops13h 55mAmerican Airlines
Deal found 5/29$507
mié. 8/2110:51 amPHL - STS
1 stop7h 54mAmerican Airlines
sáb. 8/2412:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/30$508
mié. 8/215:00 amPHL - STS
1 stop9h 47mAmerican Airlines
sáb. 8/244:15 pmSTS - PHL
2 stops14h 08mAmerican Airlines
Deal found 5/30$512
mié. 8/216:00 amPHL - STS
2 stops12h 45mAmerican Airlines
sáb. 8/244:15 pmSTS - PHL
2 stops14h 08mAmerican Airlines
Deal found 5/30$515
mié. 8/219:34 amPHL - STS
1 stop9h 11mAmerican Airlines
dom. 8/2512:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/30$578
mié. 8/216:00 amPHL - STS
2 stops12h 45mAmerican Airlines
dom. 8/2512:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/30$582
dom. 8/186:47 amPHL - STS
1 stop8h 00mAmerican Airlines
sáb. 8/2412:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/29$598
dom. 8/189:34 amPHL - STS
1 stop9h 11mAmerican Airlines
sáb. 8/244:15 pmSTS - PHL
2 stops14h 08mAmerican Airlines
Deal found 5/29$602

Cheap Alaska Airlines flights from Philadelphia to Santa Rosa

Explore cheap flight options specifically provided by Alaska Airlines for the route between Philadelphia and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from Philadelphia to Santa Rosa. Check back soon if you're not seeing flights that suit your needs.
sáb. 8/247:15 amPHL - STS
1 stop17h 52mAlaska Airlines
mié. 9/410:58 amSTS - PHL
2 stops15h 42mAlaska Airlines
Deal found 5/29$1,652
sáb. 8/246:59 pmPHL - STS
2 stops18h 19mAlaska Airlines
mié. 9/410:58 amSTS - PHL
2 stops15h 42mAlaska Airlines
Deal found 5/29$1,687

Philadelphia to Santa Rosa 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Santa Rosa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
The lowest fares we've come across on flights traveling from Philadelphia to Santa Rosa in May and June 2024. More deals are always being added, so be sure to check back regularly.
mar. 9/1010:40 amPHL - STS
1 stop8h 08mAmerican Airlines
mar. 9/171:24 pmSTS - PHL
1 stop8h 33mAmerican Airlines
Deal found 5/30$488
mar. 9/106:37 amPHL - STS
2 stops12h 11mAmerican Airlines
mar. 9/171:24 pmSTS - PHL
1 stop8h 33mAmerican Airlines
Deal found 5/30$492
mar. 9/106:37 amPHL - STS
2 stops12h 11mAmerican Airlines
mar. 9/174:19 pmSTS - PHL
2 stops14h 13mAmerican Airlines
Deal found 5/30$495
sáb. 8/245:00 amPHL - STS
1 stop9h 47mAmerican Airlines
mié. 9/44:19 pmSTS - PHL
2 stops13h 55mAmerican Airlines
Deal found 5/29$504
sáb. 8/248:33 amPHL - STS
2 stops10h 12mAmerican Airlines
mié. 9/44:19 pmSTS - PHL
2 stops13h 55mAmerican Airlines
Deal found 5/29$507
mié. 8/2110:51 amPHL - STS
1 stop7h 54mAmerican Airlines
sáb. 8/2412:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/30$508
mié. 8/215:00 amPHL - STS
1 stop9h 47mAmerican Airlines
sáb. 8/244:15 pmSTS - PHL
2 stops14h 08mAmerican Airlines
Deal found 5/30$512
mié. 8/216:00 amPHL - STS
2 stops12h 45mAmerican Airlines
sáb. 8/244:15 pmSTS - PHL
2 stops14h 08mAmerican Airlines
Deal found 5/30$515
mié. 8/219:34 amPHL - STS
1 stop9h 11mAmerican Airlines
dom. 8/2512:27 pmSTS - PHL
1 stop9h 29mAmerican Airlines
Deal found 5/30$578

One-way flights to Santa Rosa from Philadelphia

Search for one-way flight options from Philadelphia to Santa Rosa. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
If you're seeking multiple options on one-way flights from Philadelphia to Santa Rosa, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Philadelphia to Santa Rosa instead should update the search form at the top of page.
mié. 8/141:12 pmPHL - STS
3 stops30h 33mMultiple Airlines
Deal found 5/29$221
mié. 8/1410:51 amPHL - STS
1 stop7h 54mAmerican Airlines
Deal found 5/29$244
mié. 8/148:33 amPHL - STS
2 stops10h 12mAmerican Airlines
Deal found 5/29$248
sáb. 7/65:00 amPHL - STS
1 stop9h 48mAmerican Airlines
Deal found 5/30$269
sáb. 7/612:45 pmPHL - STS
3 stops35h 35mMultiple Airlines
Deal found 5/30$420
sáb. 7/65:59 amPHL - STS
2 stops12h 44mAmerican Airlines
Deal found 5/30$529

Find flights from Philadelphia to Santa Rosa within your budget

Customize your flight search to find flights from Philadelphia 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 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$504 - $1,652

Route

Depart

Return

Price

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

sáb. 8/24

1 stop9h 47m

Santa Rosa Sonoma County

mié. 9/4

2 stops13h 55m

$504

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

sáb. 8/24

2 stops10h 12m

Santa Rosa Sonoma County

mié. 9/4

2 stops13h 55m

$507

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

mié. 8/21

1 stop7h 54m

Santa Rosa Sonoma County

sáb. 8/24

1 stop9h 29m

$508

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

mié. 8/21

1 stop9h 47m

Santa Rosa Sonoma County

sáb. 8/24

2 stops14h 08m

$512

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

mié. 8/21

2 stops12h 45m

Santa Rosa Sonoma County

sáb. 8/24

2 stops14h 08m

$515

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

mié. 8/21

1 stop9h 11m

Santa Rosa Sonoma County

dom. 8/25

1 stop9h 29m

$578

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

mié. 8/21

2 stops12h 45m

Santa Rosa Sonoma County

dom. 8/25

1 stop9h 29m

$582

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

dom. 8/18

1 stop8h 00m

Santa Rosa Sonoma County

sáb. 8/24

1 stop9h 29m

$598

PhiladelphiaSanta Rosa Sonoma County

PHL - STS

PHLSTS

Philadelphia

sáb. 8/24

1 stop17h 52m

Santa Rosa Sonoma County

mié. 9/4

2 stops15h 42m

$1,652

Flights are sorted by cheapest first

Deals found on 5/29

What is the cheapest day to fly from Philadelphia to Santa Rosa?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Santa Rosa. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Santa Rosa flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Philadelphia to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Philadelphia 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.

Temperature and rainfall in Santa Rosa by month

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

SFO

Temperature

51.8 - 62.6 °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 mayo 30, 2024.
Get a feel of what it's like to fly with American Airlines and Alaska Airlines from Philadelphia to Santa Rosa by reading reviews from past customers. 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
8.1
Very good
9,201 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,201 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

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

  • Can I find flights from Philadelphia to Santa Rosa for under $600 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Santa Rosa for under $600. The cheapest flight booked recently is on American Airlines for just $504, but on average you can expect to pay $836.

  • What are the cheapest airlines flying from Philadelphia to Santa Rosa round-trip?

    American Airlines, at $504, was found to be the cheapest airline from Philadelphia to Santa Rosa. An alternate airline flying to your destination would be Alaska Airlines. American Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What does PHL to STS mean?

    Philadelphia Airport is PHL and Santa Rosa Sonoma County Airport is STS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Philadelphia to Santa Rosa that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Santa Rosa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Santa Rosa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

  • Can I find deals for flights from Philadelphia to Santa Rosa that allow pets onboard?

    Many airlines flying from Philadelphia to Santa Rosa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Santa Rosa?

    Yes, you can often find last-minute deals on Philadelphia to Santa Rosa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Santa Rosa flight deals updated?

    The Philadelphia to Santa Rosa flight deals you see on this page were last updated on 5/30.

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

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Santa Rosa (average of $213). Flying from Philadelphia to Santa Rosa in June is currently the most expensive (average of $408). 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

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 Philadelphia to Santa Rosa
See prices for flight routes from nearby airports that may be better suited for you.

Newark to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Los Angeles flights
Newark to San Francisco flights
LaGuardia to Las Vegas flights
LaGuardia to Los Angeles flights
Reagan-National to Los Angeles flights
Philadelphia to Las Vegas flights
LaGuardia to San Francisco flights
Newark to Burbank flights
Reagan-National to Las Vegas flights
Dulles Intl to Las Vegas flights
John F Kennedy Intl to Ontario flights
John F Kennedy Intl to San Diego flights
Newark to Oakland flights
Philadelphia to Los Angeles flights
LaGuardia to Burbank flights
Dulles Intl to Los Angeles flights
Dulles Intl to San Francisco flights
Newark to San Diego flights
LaGuardia to Ontario flights
LaGuardia to Oakland flights
Reagan-National to San Francisco flights
Newark to Santa Ana flights
LaGuardia to Santa Ana flights
Philadelphia to San Francisco flights
Newark to Ontario flights
LaGuardia to San Diego flights
Dulles Intl to San Diego flights
John F Kennedy Intl to Santa Ana flights
John F Kennedy Intl to Oakland flights
Reagan-National to San Diego flights
Newark to San Jose flights
Reagan-National to Ontario flights
Pittsburgh to Las Vegas flights
Philadelphia to Ontario flights
John F Kennedy Intl to San Jose flights
LaGuardia to San Jose flights
Philadelphia to San Diego flights
John F Kennedy Intl to Reno flights
Dulles Intl to Ontario flights
John F Kennedy Intl to Sacramento flights
Philadelphia to Burbank flights
Newark to Reno flights
John F Kennedy Intl to Burbank flights
Philadelphia to Oakland flights
Pittsburgh to Los Angeles flights
LaGuardia to Reno flights

Top 2 airlines flying from Philadelphia to Santa Rosa

Discover the top 2 airlines that operate flights from Philadelphia 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 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$399Average$671FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$463Average$641FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Austin to Houston flights
Orlando to Dallas flights
Tampa to Orlando flights
USA to Athens flights
Omaha to Denver flights
Pittsburgh to Miami flights
Tampa to Boston flights
New York to Dallas flights
Los Angeles to El Salvador flights
Washington, D.C. to London flights
Dallas to Detroit flights
Philadelphia to Saint Thomas Island flights

Search flights from Philadelphia to Santa Rosa by cabin class

Find flights from Philadelphia to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Santa Rosa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to Santa Rosa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Santa Rosa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Philadelphia to Santa Rosa.

Can Cheapflights find flights from Philadelphia to Santa Rosa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Santa Rosa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Philadelphia to Santa Rosa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.
View all available airlines