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PHL - STS

Find cheap flights from Philadelphia to Santa Rosa from $287

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Santa Rosa departing on 6/17. 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.
1 adult
0 bags
Sat 5/25
Sat 6/1

Search hundreds of travel sites at once for deals on flights to Santa Rosa

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Santa Rosa, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Santa Rosa, as well as popular online travel agencies
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Philadelphia to Santa Rosa (PHL-STS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Santa Rosa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
4:35 pm - 6:30 pmPHL-STS
28h 55m3 stops
7:45 am - 3:51 pmSTS-PHL
29h 06m2 stops
Wed, May 8 - Mon, May 13
4:35 pm - 6:30 pmPHL-STS
28h 55m3 stops
6:30 am - 3:51 pmSTS-PHL
30h 21m3 stops
Wed, May 8 - Mon, May 13
5:19 pm - 6:30 pmPHL-STS
28h 11m2 stops
7:45 am - 3:51 pmSTS-PHL
29h 06m2 stops
Wed, May 8 - Mon, May 13
9:05 am - 3:42 pmPHL-STS
9h 37m1 stop
2:19 pm - 12:52 amSTS-PHL
7h 33m1 stop
$478American Airlines
Find Deal
Wed, Aug 21 - Sat, Aug 24
8:40 am - 3:42 pmPHL-STS
10h 02m2 stops
2:19 pm - 12:52 amSTS-PHL
7h 33m1 stop
$481American Airlines
Find Deal
Wed, Aug 21 - Sat, Aug 24
6:40 am - 3:42 pmPHL-STS
12h 02m2 stops
4:12 pm - 7:36 amSTS-PHL
12h 24m2 stops
$485American Airlines
Find Deal
Wed, Aug 21 - Sat, Aug 24
9:05 am - 3:42 pmPHL-STS
9h 37m1 stop
2:19 pm - 12:52 amSTS-PHL
7h 33m1 stop
$518American Airlines
Find Deal
Thu, Aug 15 - Mon, Aug 19
5:20 pm - 10:03 amPHL-STS
19h 43m1 stop
11:00 am - 6:01 amSTS-PHL
16h 01m1 stop
$637Alaska Airlines
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Fri, Oct 18 - Sun, Oct 20
7:03 pm - 11:16 amPHL-STS
19h 13m2 stops
2:44 pm - 5:37 amSTS-PHL
11h 53m1 stop
$675Alaska Airlines
Find Deal
Mon, Jun 10 - Thu, Jun 13
5:20 pm - 5:42 pmPHL-STS
27h 22m2 stops
11:00 am - 6:01 amSTS-PHL
16h 01m1 stop
$701Alaska Airlines
Find Deal
Fri, Oct 18 - Sun, Oct 20

Flights from Philadelphia to Santa Rosa - Travel Insights & Trends

Get data-powered insights and trends into flights from Philadelphia to Santa Rosa to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Philadelphia to Santa Rosa?

The average price of all flights from Philadelphia to Santa Rosa clicked on KAYAK for each day over the last 12 months.
When flying from Philadelphia to Santa Rosa, you should consider leaving on a Saturday and avoid Wednesdays if you are looking for the best rates. For your return to Philadelphia, you’ll find the best rates on Mondays and the most expensive ones on Thursdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Philadelphia to Santa Rosa, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Philadelphia to Santa Rosa is May, where tickets cost $465 on average. On the other hand, the most expensive months are April and June, where the average cost of tickets is $798 and $746 respectively.

Good to know

Low season

February

High season

October

Cheapest flight

$287
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Philadelphia to Santa Rosa

When to book flights from Philadelphia to Santa Rosa

Are your dates flexible? Find out the best times to travel from Philadelphia to Santa Rosa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Santa Rosa

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

    In the last 3 days, the lowest price for a flight from Philadelphia to Santa Rosa was $287 for a one-way ticket and $341 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Santa Rosa?

    No, a passport isn't needed to fly from Philadelphia to Santa Rosa. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Philadelphia to Santa Rosa?

    Philadelphia and Santa Rosa are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at Santa Rosa Sonoma County.

  • Which aircraft models fly most regularly from Philadelphia to Santa Rosa?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Philadelphia to Santa Rosa?

    oneworld is the only airline alliance operating flights between Philadelphia and Santa Rosa.

  • Which is the best airline for flights from Philadelphia to Santa Rosa, Alaska Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Santa Rosa are Alaska Airlines and American Airlines. With an average price for the route of $671 and an overall rating of 8.0, Alaska Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $637 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Philadelphia to Santa Rosa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Santa Rosa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Santa Rosa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santa Rosa from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Santa Rosa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santa Rosa with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and STS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Santa Rosa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santa Rosa from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Philadelphia to Santa Rosa

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Santa Rosa. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Santa Rosa? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9114 reviews
8.2boarding
7.9comfort
7.3food
8.6crew
7.3entertainment
Airline reviews

It was so easy to board using my boarding pass on my iPhone, and I liked what I was given on the plane for food and drink, and everyone was very friendly.

10.0 ExcellentAnonymous, Apr 2024PDX - OAK
Read more about Alaska Airlines reviews

It was so easy to board using my boarding pass on my iPhone, and I liked what I was given on the plane for food and drink, and everyone was very friendly.

The messaging about the change in flight destination and options for getting to SFO was poor. There should have been frequent updates. When I spoke to the boarding agent moment before we were supposed to board, he was flippant and offered no help before the announcement was made that transportation would be arranged. It was as poor of an experience that I've ever had.

My plane ride down landed 20 min late. Boarding at SFO was strange too. The people at the terminal were nice—but, boarding lacked direction, and was confusing . Coming back was worse—the plane was hours behind—and I barely caught the last Bart train back to San Francisco (3 min more and I would have been in trouble). It was a very stressful trip, and it didn’t need to be.

The absolute coldest flight I’ve ever been on, even with a sweater and zip up sweatshirt. Was miserable the entire flight.

the departure got delayed due to SJC situation, but it was a quite good waiting thanks to Alaska airline teams.

The flight attendant in the back of the plane was barely understood as she rushed through instructions to the point of being intelligible. She had a bored demeanor in her delivery.

Good. Quiet. Comfortable. The protests nearly kept me from catching my flight. They waited for me! I made it!

dont re-route to San Jose. Re-route to closer airport. Provide shuttle bus to go to SFO, not just LYFT vouchers.

WiFi connection bad. Food is really awful. Crew very nice and efficient

Staff seemed genuinely nice, not just going through the motions.

Same basket of unhealthy prepackaged snacks (junk food) which was depleted by the time it got to my row!!

We experience delays on departure and connecting flights resulting in 14 hour to our next departure. We were accommodated with a night's stay but was only provided a 12 dollar meals accommodation. The airlines rules state.at least 50 dollars. In any case, it can not make up for the whole day missed on our vacation in Sydney Australia.

Flight from PHL to PHX arrived 50 minutes early and a gate was available. First class flight attendant Stephanie was very friendly and polite. Sanitizing wipes should be provided with meals in addition to refresher towels.

flight delayed so missed connection and this had to rebook for next day

Flight departed PHL one hour late due to late arrival of aircraft. On board services were okay. First class menu does not offer any new items; same desserts (cheese & crackers or Mango sorbet). At least there were no credit card promotions during the flight.

After sitting on plane for 7+ hours, flight was canceled. And to makes matters worse, my suitcase is in baggage hell!

Terrible Ticketing and Check in process. I learned that AA unilaterally cancelled my premium seating from PHL to CLT and from CLT to JAN. They did, however, refund my money, but my seating was subsequently severely downgraded. They didn’t have a seat for my unless I paid for it! Not cool! Consequently, Check-in took 45 min. AA is usually great, but this was my worst experience with AA ever. Appalling they they arbitrarily cancel my seats threatening loss of flight if I didn’t pay for a seat!!!! -John

We liked quick boarding and on time departure. Seats were very uncomfortable.

Great flight. Quick boarding and departure. No problems. Flight crew were very friendly and professional.

heat was on full blast. It was like the Tropics inside the plan.

Book cheap flights from Philadelphia to Santa Rosa

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Philadelphia to Santa Rosa found on KAYAK in the last 72 hours.
6/17Mon
2 stops
15h 20mPHL-STS
$287
6/17Mon
3 stops
18h 20mPHL-STS
$301
6/16Sun
2 stops
24h 22mPHL-STS
$316
6/16Sun
3 stops
28h 46mPHL-STS
$343
6/17Mon
1 stopAmerican Airlines
9h 53mPHL-STS
$409

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Last minute flights from Philadelphia to Santa Rosa

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Philadelphia to Santa Rosa that are departing in the next 10 days.
4/30Tue
multi-stopAmerican Airlines
8h 08mPHL-STS
5/4Sat
multi-stopAmerican Airlines
7h 43mSTS-PHL
$898
4/30Tue
multi-stopAmerican Airlines
12h 34mPHL-STS
5/4Sat
multi-stopAmerican Airlines
7h 43mSTS-PHL
$903
4/30Tue
multi-stopAmerican Airlines
8h 23mPHL-STS
5/4Sat
multi-stopAmerican Airlines
9h 57mSTS-PHL
$948
4/30Tue
multi-stopAmerican Airlines
12h 34mPHL-STS
5/4Sat
multi-stopAmerican Airlines
7h 43mSTS-PHL
$953
4/30Tue
multi-stopAmerican Airlines
10h 13mPHL-STS
5/4Sat
multi-stopAmerican Airlines
14h 48mSTS-PHL
$1,106
4/30Tue
multi-stopAmerican Airlines
12h 54mPHL-STS
5/4Sat
multi-stopAmerican Airlines
15h 47mSTS-PHL
$1,156

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Philadelphia - Santa Rosa Flights

Departure:

Philadelphia (PHL)United States

Destination:

Santa Rosa (STS)United States

Return flight deals:

Santa Rosa - Philadelphia

Cabin classes: