PHL - STS

$170 Find Cheap Flights from Philadelphia to Santa Rosa - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$329
Typical prices: $510-$774
Delta
Sat 1/13Fri 1/19
PHL - STS • 1 stop
Cheapest one-way
$170
Typical prices: $270-$474
Delta
Sun 1/7
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
August
Cheapest • 14% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $628 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 8h 35m (one-way)
Insights
Insights
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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, Jan 13 - Tue, Jan 19
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
12:44 pm - 11:58 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
8h 14m1 stop Salt Lake City
$329Delta
Wed, Jan 13 - Wed, Jan 20
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
7:00 am - 5:40 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 40m1 stop Salt Lake City
$329Delta
Wed, Jan 13 - Wed, Jan 20
Delta Logo
12:31 pm - 10:03 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
12h 32m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
7:00 am - 5:40 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 40m1 stop Salt Lake City
$334Delta
Wed, Jan 13 - Tue, Jan 19
Delta Logo
12:31 pm - 10:03 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
12h 32m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
12:44 pm - 11:58 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
8h 14m1 stop Salt Lake City
$334Delta
Thu, Feb 4 - Mon, Feb 8
American Airlines Logo
5:26 pm - 11:42 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
9h 16m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:32 am - 9:06 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
9h 34m1 stop Phoenix Sky Harbor Intl
$339American Airlines
Mon, Jan 25 - Fri, Jan 29
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
12:44 pm - 11:58 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
8h 14m1 stop Salt Lake City
$339Delta
Wed, Jan 6 - Sat, Jan 16
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
7:00 am - 5:45 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 45m1 stop Salt Lake City
$339Delta
Wed, Jan 6 - Thu, Jan 14
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
7:00 am - 5:45 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 45m1 stop Salt Lake City
$339Delta
Sat, Jan 9 - Wed, Jan 13
Delta Logo
7:00 am - 12:04 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
8h 04m1 stop Salt Lake City
Delta Logo
7:00 am - 5:45 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
7h 45m1 stop Salt Lake City
$339Delta
Tue, Feb 2 - Tue, Feb 9
American Airlines Logo
9:00 am - 3:48 pmPHL  Philadelphia-STS Santa Rosa Sonoma County
9h 48m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:32 am - 9:06 pmSTS  Santa Rosa Sonoma County-PHL Philadelphia
9h 34m1 stop Phoenix Sky Harbor Intl
$349American 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 $510 to $774. The lowest price found in the past 5 days was $329, on Delta.

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 11% cheaper than the average day, while Wednesday is the most expensive, with prices 73% higher.

Find deals

Key details for Philadelphia to Santa Rosa flights

Cheapest flight

$170
The most popular month to fly with an average 62% 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 about 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 $510 to $774, with an average of $628 over the past 12 months. Anything below $510 counts as a good deal.

  • Have flight prices from Philadelphia to Santa Rosa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $329 to $2,974. That means the highest observed fare was about 9x higher than the lowest one.

  • 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 $244, which is 21% 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 averaging $74 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) - 81% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 14% of one-stop connections
    • Denver Intl (DEN) - 5% 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 49% on flights from Philadelphia to Santa Rosa. Tuesday is the cheapest departure day at $562 round-trip on average, while Wednesday is the most expensive at $1,088, a difference of $526.

    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 35m via Phoenix Sky Harbor Intl (PHX) and 14h 19m 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 Wednesday. On this route, Tuesday flights average $562, about $526 less than Wednesday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Santa Rosa trip for August. Fares historically average $538 round-trip in that month - typically $550 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