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Cheap flights from Philadelphia to San Francisco from $214

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to San Francisco departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:48 am - 11:59 pm
PHL
-
STS
15h 11m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
STS
-
PHL
20h 50m
2 stops
$372Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
2:00 pm - 10:10 pm
PHL
-
STS
11h 10m
2 stops
Southwest Logo
6:00 am - 11:55 pm
STS
-
PHL
14h 55m
2 stops
$412Southwest
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
7:25 am - 6:01 pm
PHL
-
STS
13h 36m
1 stop
Alaska Airlines Logo
1:13 pm - 6:02 am
STS
-
PHL
13h 49m
1 stop
$449Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
5:00 am - 12:03 pm
PHL
-
STS
10h 03m
1 stop
American Airlines Logo
12:43 pm - 12:36 am
STS
-
PHL
8h 53m
1 stop
$453American Airlines
Thu, May 28 - Mon, Jun 1
Southwest Logo
5:35 am - 10:20 am
PHL
-
STS
7h 45m
1 stop
Southwest Logo
6:05 am - 6:35 pm
STS
-
PHL
9h 30m
2 stops
$454Southwest
Sat, May 2 - Sat, May 9
American Airlines Logo
8:20 am - 3:53 pm
PHL
-
STS
10h 33m
2 stops
American Airlines Logo
4:23 pm - 7:40 am
STS
-
PHL
12h 17m
2 stops
$460American Airlines
Sat, May 2 - Sat, May 9
Alaska Airlines Logo
7:25 am - 8:53 am
PHL
-
STS
28h 28m
2 stops
Alaska Airlines Logo
1:13 pm - 6:02 am
STS
-
PHL
13h 49m
1 stop
$481Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
5:00 am - 12:03 pm
PHL
-
STS
10h 03m
1 stop
American Airlines Logo
12:45 pm - 12:36 am
STS
-
PHL
8h 51m
1 stop
$490American Airlines
Thu, May 28 - Tue, Jun 9
Southwest Logo
2:15 pm - 10:40 pm
PHL
-
STS
11h 25m
2 stops
Southwest Logo
11:00 am - 12:35 am
STS
-
PHL
10h 35m
2 stops
$496Southwest
Thu, May 28 - Mon, Jun 1
American Airlines Logo
5:00 am - 12:03 pm
PHL
-
STS
10h 03m
1 stop
American Airlines Logo
1:00 pm - 11:57 pm
STS
-
PHL
7h 57m
1 stop
$508American Airlines
Wed, Jun 3 - Fri, Jun 5

American Airlines flights from Philadelphia to Santa Rosa

Our best American Airlines deals on Philadelphia to Santa Rosa flight tickets
American Airlines
May 28
PHL5:00 amPhiladelphia
10h 03m
1 stop
STS12:03 pmSanta Rosa Sonoma County
Jun 1
STS12:43 pmSanta Rosa Sonoma County
8h 53m
1 stop
PHL12:36 amPhiladelphia
$453
American Airlines
May 2
PHL8:20 amPhiladelphia
10h 33m
2 stops
STS3:53 pmSanta Rosa Sonoma County
May 9
STS4:23 pmSanta Rosa Sonoma County
12h 17m
2 stops
PHL7:40 amPhiladelphia
$460
American Airlines
May 28
PHL5:00 amPhiladelphia
10h 03m
1 stop
STS12:03 pmSanta Rosa Sonoma County
Jun 9
STS12:45 pmSanta Rosa Sonoma County
8h 51m
1 stop
PHL12:36 amPhiladelphia
$490

Southwest flights from Philadelphia to Santa Rosa

Our best Southwest deals on Philadelphia to Santa Rosa flight tickets
Southwest
Apr 21
PHL2:00 pmPhiladelphia
11h 10m
2 stops
STS10:10 pmSanta Rosa Sonoma County
Apr 28
STS6:00 amSanta Rosa Sonoma County
14h 55m
2 stops
PHL11:55 pmPhiladelphia
$412
Southwest
May 2
PHL5:35 amPhiladelphia
7h 45m
1 stop
STS10:20 amSanta Rosa Sonoma County
May 9
STS6:05 amSanta Rosa Sonoma County
9h 30m
2 stops
PHL6:35 pmPhiladelphia
$454
Southwest
May 28
PHL2:15 pmPhiladelphia
11h 25m
2 stops
STS10:40 pmSanta Rosa Sonoma County
Jun 1
STS11:00 amSanta Rosa Sonoma County
10h 35m
2 stops
PHL12:35 amPhiladelphia
$496

momondo 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, momondo users made 832,500 searches. Data last updated March 26, 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

Price

Cheapest round-trip

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Tue 4/21

11:48 am-11:59 pm

2 stops15h 11m

Santa Rosa Sonoma County

Tue 4/28

7:00 am-6:50 am

2 stops20h 50m

$372

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Tue 4/21

2:00 pm-10:10 pm

2 stops11h 10m

Santa Rosa Sonoma County

Tue 4/28

6:00 am-11:55 pm

2 stops14h 55m

$412

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Tue 4/21

7:25 am-6:01 pm

1 stop13h 36m

Santa Rosa Sonoma County

Tue 4/28

1:13 pm-6:02 am

1 stop13h 49m

$449

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Thu 5/28

5:00 am-12:03 pm

1 stop10h 03m

Santa Rosa Sonoma County

Mon 6/1

12:43 pm-12:36 am

1 stop8h 53m

$453
Quickest round-trip

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Sat 5/2

5:35 am-10:20 am

1 stop7h 45m

Santa Rosa Sonoma County

Sat 5/9

6:05 am-6:35 pm

2 stops9h 30m

$454

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Sat 5/2

8:20 am-3:53 pm

2 stops10h 33m

Santa Rosa Sonoma County

Sat 5/9

4:23 pm-7:40 am

2 stops12h 17m

$460

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Tue 4/21

7:25 am-8:53 am

2 stops28h 28m

Santa Rosa Sonoma County

Tue 4/28

1:13 pm-6:02 am

1 stop13h 49m

$481

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Thu 5/28

5:00 am-12:03 pm

1 stop10h 03m

Santa Rosa Sonoma County

Tue 6/9

12:45 pm-12:36 am

1 stop8h 51m

$490

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Thu 5/28

2:15 pm-10:40 pm

2 stops11h 25m

Santa Rosa Sonoma County

Mon 6/1

11:00 am-12:35 am

2 stops10h 35m

$496

PhiladelphiaSanta Rosa

PHL - STS

PHLSTS

Philadelphia

Wed 6/3

5:00 am-12:03 pm

1 stop10h 03m

Santa Rosa Sonoma County

Fri 6/5

1:00 pm-11:57 pm

1 stop7h 57m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Philadelphia to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Philadelphia and Santa Rosa?

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of March, then departing from Philadelphia during the month January is also very affordable. Most momondo users find prices during this month for around $428.

When to book flights from Philadelphia to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Santa Rosa (PHL to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Santa Rosa

Fastest flight time

8h 28m

Direct flights

None
The fastest flight from Philadelphia to Santa Rosa takes 8h 28m
There are no direct flights from Philadelphia to Santa Rosa. There are no popular flight routes from Philadelphia to Santa Rosa.
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  • How far is Philadelphia to Santa Rosa Sonoma County by plane?

    Santa Rosa Sonoma County is 2516.5 mi away from Philadelphia. By plane, this route typically takes 8h 28m.

  • When did momondo last update prices for flights from Philadelphia Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Philadelphia Airport to Santa Rosa Sonoma County Airport were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from Philadelphia Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents required for your trip to Santa Rosa Sonoma County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santa Rosa Sonoma County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Philadelphia to Santa Rosa?

Best airlines flying from Philadelphia to Santa Rosa

Compare and see reviews for airlines that fly from Philadelphia to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,495 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Santa Rosa?

It is quick and easy to find Philadelphia to Santa Rosa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santa Rosa that suits you.

Can I find flights from Philadelphia to Santa Rosa with flexible booking policies on momondo?

Flights from Philadelphia to Santa Rosa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Santa Rosa?

Once you have performed a search for Philadelphia to Santa Rosa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Santa Rosa right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Santa Rosa from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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