United States
USD

PHL - STS

$219 Find Cheap Flights from Philadelphia to Santa Rosa - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$435
Typical prices: $497-$744
American Airlines
Sun 10/21Sat 11/3
PHL - STS • 1 stop
Cheapest one-way
$219
Typical prices: $280-$429
American Airlines
Sun 10/21
PHL - STS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Santa Rosa. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 25% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $610 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 17m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Santa Rosa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Philadelphia to Santa Rosa (PHL-STS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Santa Rosa

Wed, Oct 21 - Tue, Nov 3
American Airlines Logo
7:00 am - 12:40 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 40m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:44 pm - 12:17 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
8h 33m1 stop Dallas/Fort Worth
$435American Airlines
Tue, Oct 27 - Thu, Oct 29
Alaska Airlines Logo
7:02 am - 1:06 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
9h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 5:41 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
19h 41m1 stop Seattle/Tacoma Intl
$435Alaska Airlines
Wed, Oct 21 - Tue, Nov 3
Alaska Airlines Logo
7:02 am - 1:06 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
9h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:20 am - 5:32 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
19h 12m1 stop Seattle/Tacoma Intl
$435Alaska Airlines
Mon, Oct 26 - Thu, Oct 29
Alaska Airlines Logo
4:17 pm - 8:57 amPHL  Philadelphia-STS Santa Rosa Sonoma County
19h 40m1 stop Portland
Alaska Airlines Logo
5:06 pm - 5:41 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
9h 35m1 stop Seattle/Tacoma Intl
$437Alaska Airlines
Thu, Dec 3 - Thu, Dec 10
Alaska Airlines Logo
7:00 am - 5:49 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
13h 49m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:39 pm - 5:40 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
9h 01m1 stop Seattle/Tacoma Intl
$437Alaska Airlines
Thu, Dec 17 - Tue, Jan 5
Delta Logo
6:20 am - 4:05 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
12h 45m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
7:00 am - 5:40 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 40m1 stop Salt Lake City
$440Delta
Thu, Dec 3 - Thu, Dec 10
Delta Logo
5:15 am - 4:05 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
13h 50m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
4:50 pm - 5:55 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
10h 05m1 stop Salt Lake City
$442Delta
Tue, Oct 27 - Thu, Oct 29
Alaska Airlines Logo
7:02 am - 3:55 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
35h 53m2 stops Seattle/Tacoma Intl Burbank Bob Hope
Alaska Airlines Logo
5:06 pm - 5:41 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
9h 35m1 stop Seattle/Tacoma Intl
$458Alaska Airlines
Wed, Oct 21 - Tue, Nov 3
Alaska Airlines Logo
7:02 am - 1:06 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
9h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:12 pm - 5:32 amSTS  Santa Rosa Sonoma County-PHL Philadelphia
13h 20m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl
$474Alaska Airlines
Sat, Nov 14 - Sun, Nov 22
American Airlines Logo
10:45 am - 7:31 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
11h 46m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:20 am - 9:01 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
10h 41m1 stop Phoenix Sky Harbor Intl
$487American Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Santa Rosa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Philadelphia to Santa Rosa?

Round-trip flights from Philadelphia to Santa Rosa typically range from $497 to $744. The lowest price found in the past 5 days was $435, on American Airlines.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Philadelphia to Santa Rosa. It’s 19% cheaper than the average day, while Monday is the most expensive, with prices 57% higher.

Find deals

Key details for Philadelphia to Santa Rosa flights

Low season

February

Cheapest flight

$219
Beat the crowds with an average 67% drop in travelers.
The most popular month to fly with an average 33% increase in travelers.
One-way 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

Your Philadelphia to Santa Rosa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Philadelphia to Santa Rosa?

    Two cabin classes are available on flights from Philadelphia to Santa Rosa:

    • Economy Class
    • First Class

  • How long is a flight from Philadelphia to Santa Rosa?

    A nonstop flight from Philadelphia to Santa Rosa takes 00m, covering 2,517 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Philadelphia to Santa Rosa flight?

    Round-trip flights from Philadelphia to Santa Rosa range from $497 to $744, with an average of $607 over the past 12 months. Anything below $497 counts as a good deal.

  • How are flight prices from Philadelphia to Santa Rosa looking right now?

    One-way fares from Philadelphia to Santa Rosa are currently lower than usual. Average one-way flight prices are about $266, which is 35% below the typical average for this route.

  • What car rental options are available at Santa Rosa Sonoma County Airport (STS)?

    Santa Rosa Sonoma County Airport (STS) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Ace
    • Dollar
    • Enterprise Rent-A-Car
    • Hertz
    • Budget

  • Which airports can I use when flying from Philadelphia to Santa Rosa?

    Flights from Philadelphia to Santa Rosa usually depart from Philadelphia (PHL) and arrive at Santa Rosa Sonoma County (STS).

  • Which airports do connecting flights from Philadelphia to Santa Rosa pass through?

    One-stop flights from Philadelphia to Santa Rosa most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 76% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 20% of one-stop connections
    • Denver Intl (DEN) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Philadelphia to Santa Rosa?

    Yes. Flexible dates can save you up to 48% on flights from Philadelphia to Santa Rosa. Tuesday is the cheapest departure day at $497 round-trip on average, while Monday is the most expensive at $955, a difference of $458.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Philadelphia to Santa Rosa?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 17m, compared with 8h 26m via Phoenix Sky Harbor Intl (PHX) and 13h 46m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Philadelphia and Santa Rosa?

    Santa Rosa is 3 hours behind Philadelphia (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Philadelphia to Santa Rosa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $497, about $458 less than Monday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Santa Rosa trip for February. Fares historically average $453 round-trip in that month - typically $635 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Santa Rosa Sonoma County Airport.

    • Hilton Garden Inn Sonoma County Airport

More options for your flight from Philadelphia to Santa Rosa

Complete your trip to Santa Rosa with a hotel stay or car rental

Car rentals in Santa Rosa
Hotels in Santa Rosa
Vacations in Santa Rosa