$175+ Cheap flights from Philadelphia to Santa Rosa (PHL - STS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STS
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Philadelphia to Santa RosaExplore the most affordable flight options available from Philadelphia to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
Explore the most affordable flight options available from Philadelphia to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Thu 12/104:50 pm -
1 stop10h 05m
Deal found 11/9![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Wed 12/911:27 am -
2 stops10h 25m
Deal found 11/9![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:43 am -
2 stops9h 22m
Fri 12/114:50 pm -
1 stop10h 05m
Deal found 11/10![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:15 am -
2 stops13h 50m
Mon 12/74:50 pm -
2 stops15h 09m
Deal found 11/11![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:20 am -
2 stops12h 45m
Sun 12/134:50 pm -
1 stop10h 05m
Deal found 11/11![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Tue 12/1511:27 am -
1 stop27h 20m
Deal found 11/11![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:01 am -
2 stops11h 04m
Wed 12/164:50 pm -
2 stops13h 39m
Deal found 11/11![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:43 am -
2 stops9h 22m
Fri 12/114:50 pm -
1 stop10h 05m
Deal found 11/9![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:59 pm -
1 stop18h 43m
Fri 12/184:50 pm -
1 stop10h 00m
Deal found 11/11![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:43 am -
2 stops9h 22m
Wed 12/911:27 am -
2 stops10h 25m
Deal found 11/9![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:15 am -
2 stops13h 50m
Sat 12/1211:27 am -
1 stop27h 20m
Deal found 11/11![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:45 am -
2 stops13h 20m
Thu 12/104:50 pm -
1 stop10h 05m
Deal found 11/11![Delta logo]()
$439
Best flights from Philadelphia to Santa RosaDiscover carefully curated flight deals from Philadelphia to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Philadelphia to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:00 am -
1 stop8h 04m
Thu 1/287:00 am -
1 stop7h 40m
Deal found 11/11![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:11 pm -
1 stop21h 05m
Tue 12/155:39 pm -
1 stop9h 01m
Deal found 11/7![Alaska Airlines logo]()
$512
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/25:25 am -
2 stops11h 10m
Sat 1/97:00 am -
2 stops12h 40m
Deal found 11/11![Southwest logo]()
$552
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/257:00 am -
1 stop8h 04m
Fri 1/297:00 am -
2 stops9h 57m
Deal found 11/11![Delta logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:00 am -
1 stop8h 58m
Tue 12/15:39 pm -
1 stop9h 01m
Deal found 11/10![Alaska Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/157:40 am -
2 stops11h 30m
Sun 4/185:05 pm -
2 stops9h 55m
Deal found 11/8![Southwest logo]()
$581
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:15 am -
2 stops11h 50m
Sat 12/1211:27 am -
1 stop27h 20m
Deal found 11/11![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:10 am -
1 stop11h 55m
Tue 12/811:27 am -
2 stops10h 25m
Deal found 11/11![Delta logo]()
$586
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:59 pm -
1 stop18h 43m
Sun 12/134:50 pm -
1 stop10h 05m
Deal found 11/11![Delta logo]()
$593
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:59 pm -
1 stop18h 43m
Sat 12/124:50 pm -
2 stops15h 09m
Deal found 11/11![Delta logo]()
$598
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:43 am -
2 stops9h 22m
Thu 12/1711:27 am -
2 stops10h 30m
Deal found 11/11![Delta logo]()
$614
Last-minute flights from Philadelphia to Santa RosaDiscover last-minute flight deals from Philadelphia to Santa Rosa. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Santa Rosa. Data last updated November 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:15 am -
2 stops13h 50m
Mon 12/74:50 pm -
2 stops15h 09m
Deal found 11/11![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:15 am -
2 stops13h 50m
Sat 12/1211:27 am -
1 stop27h 20m
Deal found 11/11![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:45 am -
2 stops13h 20m
Thu 12/104:50 pm -
1 stop10h 05m
Deal found 11/11![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:20 am -
2 stops12h 45m
Sun 12/134:50 pm -
1 stop10h 05m
Deal found 11/11![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:01 am -
2 stops11h 04m
Wed 12/164:50 pm -
2 stops13h 39m
Deal found 11/11![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:43 am -
2 stops9h 22m
Fri 12/114:50 pm -
1 stop10h 05m
Deal found 11/9![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:43 am -
2 stops9h 22m
Wed 12/911:27 am -
2 stops10h 25m
Deal found 11/9![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Thu 12/104:50 pm -
1 stop10h 05m
Deal found 11/9![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Wed 12/911:27 am -
2 stops10h 25m
Deal found 11/9![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
2 stops12h 45m
Tue 12/1511:27 am -
1 stop27h 20m
Deal found 11/11![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:59 pm -
1 stop18h 43m
Fri 12/184:50 pm -
1 stop10h 00m
Deal found 11/11![Delta logo]()
$433
One-way flights from Philadelphia to Santa RosaSearch for one-way flight options from Philadelphia to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
Search for one-way flight options from Philadelphia to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:01 am -
2 stops11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/187:00 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$230
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:45 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:30 am -
2 stops17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Southwest logo]()
$359
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:11 am -
1 stop9h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:45 am -
2 stops9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:00 am -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$397
This WAYA deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:55 pm -
1 stop20h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:45 am -
2 stops9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$442
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:00 am -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Southwest logo]()
$475
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:00 am -
1 stop10h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![American Airlines logo]()
$480
Find 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 November 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Delta) |
One-way from | $175 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $562 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated November 12, 2026.
Use the filters below to find and compare flights from Philadelphia to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Thu 2/18
7:00 am-11:55 am
1 stop7h 55m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$230
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Thu 12/24
7:30 am-9:30 pm
2 stops17h 00m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$359
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Thu 12/24
6:11 am-12:49 pm
1 stop9h 38m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$375
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Tue 11/24
5:50 am-1:50 pm
2 stops11h 00m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$395
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Fri 11/20
7:00 am-12:58 pm
1 stop8h 58m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$397
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Sun 1/17
7:00 am-12:04 pm
1 stop8h 04m
Santa Rosa Sonoma County
Thu 1/28
7:00 am-5:40 pm
1 stop7h 40m
$399
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Wed 11/18
9:45 am-4:06 pm
2 stops9h 21m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$400
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Fri 11/20
9:45 am-4:06 pm
2 stops9h 21m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$442
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Mon 1/25
7:00 am-12:04 pm
1 stop8h 04m
Santa Rosa Sonoma County
Fri 1/29
7:00 am-7:57 pm
2 stops9h 57m
$509
PhiladelphiaSanta Rosa
PHL Philadelphia - STS Santa Rosa Sonoma County
PHLSTS
Philadelphia
Mon 12/14
6:11 pm-12:16 pm
1 stop21h 05m
Santa Rosa Sonoma County
Tue 12/15
5:39 pm-5:40 am
1 stop9h 01m
$512
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Santa Rosa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Santa Rosa in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PHL-STS
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.
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 November 12, 2026.
Peruse reviews from past customers who have flown with American Airlines from Philadelphia to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.8
Overall
7.0
Boarding
7.4
Comfort
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
Excellentameenah,Feb 2024
PHL - DFW
Entertainment
6.8
Overall
7.0
Boarding
7.4
Comfort
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
Excellentameenah,Feb 2024
PHL - DFW
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.
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Top airline flying from Philadelphia to Santa Rosa
Discover the top airline 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 7,457,451 searches. Data last updated November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$495 | Average$726 | FlexibilityNo cancel fee | On-time71% |