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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Philadelphia to Santa Rosa Sonoma County

(Round-trip)
Depart: Mon Jan 15 2018 Return: Thu Jan 18 2018 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PHL
12:00a
STS
6:00a
30h 00m
1 stop
STS
12:00a
PHL
10:34a
10h 34m
1 stop
Depart: Thu Dec 14 2017 Return: Sun Dec 24 2017 Trip spans 11 days
American Airlines
American Airlines
PHL
12:00a
STS
8:45a
8h 45m
1 stop
STS
12:00a
PHL
7:33a
7h 33m
1 stop
Depart: Thu Mar 1 2018 Return: Mon Mar 5 2018 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PHL
12:00a
STS
5:59a
29h 59m
1 stop
STS
12:00a
PHL
10:34a
10h 34m
1 stop
Depart: Mon Dec 18 2017 Return: Thu Jan 4 2018 Trip spans 18 days
Alaska Airlines
Alaska Airlines
PHL
12:00a
STS
6:21p
18h 21m
2 stops
STS
12:00a
PHL
10:25a
10h 25m
1 stop
Depart: Wed Dec 20 2017 Return: Thu Jan 11 2018 Trip spans 23 days
Alaska Airlines
Alaska Airlines
PHL
12:00a
STS
5:54a
29h 54m
1 stop
STS
12:00a
PHL
10:34a
10h 34m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

Airports
Origin

Philadelphia
$367
Destination

Santa Rosa
$367