What is the cheapest airline that flies from Santa Rosa Sonoma County to Philadelphia?

Alaska Airlines and Delta are the most popular carriers operating from Santa Rosa Sonoma County to Philadelphia

What airlines fly to Philadelphia?

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to Philadelphia from Santa Rosa according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 9 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport refresh daily.

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

As of August 2026, there is 1 operator available to choose from for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$207 Cheap Flights from Santa Rosa to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Santa Rosa to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:08 pm - 3:14 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

21h 06m1 stop Portland

6:41 pm - 1:06 pmPHL Philadelphia-STS Santa Rosa Sonoma County

21h 25m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Oct 13 - Tue, Oct 27

8:07 am - 3:14 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

28h 07m1 stop Portland

6:41 pm - 1:18 pmPHL Philadelphia-STS Santa Rosa Sonoma County

21h 37m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

6:35 am - 9:30 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

11h 55m2 stops San Diego Nashville Intl

5:00 am - 9:50 amPHL Philadelphia-STS Santa Rosa Sonoma County

7h 50m1 stop Denver Intl

$418Southwest

Wed, Oct 28 - Sat, Oct 31

7:00 am - 5:40 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 40m1 stop Salt Lake City

7:00 am - 11:54 amPHL Philadelphia-STS Santa Rosa Sonoma County

7h 54m1 stop Salt Lake City

$418Delta

Wed, Feb 3 - Mon, Feb 8

8:07 am - 3:45 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

28h 38m1 stop Portland

7:02 am - 12:43 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 41m1 stop Seattle/Tacoma Intl

$418Alaska Airlines

Wed, Sep 2 - Sun, Sep 6

2:52 pm - 3:45 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

21h 53m1 stop Portland

7:02 am - 12:56 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 54m1 stop Seattle/Tacoma Intl

$418Alaska Airlines

Tue, Sep 1 - Sat, Sep 5

11:29 am - 12:55 amSTS Santa Rosa Sonoma County-PHL Philadelphia

10h 26m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:00 am - 4:06 pmPHL Philadelphia-STS Santa Rosa Sonoma County

13h 06m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$423Delta

Wed, Dec 2 - Sat, Dec 5

11:21 am - 11:50 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

9h 29m2 stops Salt Lake City Minneapolis St Paul

7:13 am - 4:05 pmPHL Philadelphia-STS Santa Rosa Sonoma County

11h 52m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$423Delta

Wed, Oct 28 - Sat, Oct 31

12:44 pm - 12:17 amSTS Santa Rosa Sonoma County-PHL Philadelphia

8h 33m1 stop Dallas/Fort Worth

5:00 am - 12:25 pmPHL Philadelphia-STS Santa Rosa Sonoma County

10h 25m1 stop Dallas/Fort Worth

$528American Airlines

Tue, Nov 17 - Thu, Nov 26

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

7:00 am - 12:38 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 38m1 stop Phoenix Sky Harbor Intl

$528American Airlines

Sat, Sep 5 - Wed, Sep 9

Cheap last minute flights

Enter your travel dates to find the best prices.

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

9:35 am - 3:37 pmPHL Philadelphia-STS Santa Rosa Sonoma County

9h 02m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Tue, Aug 25 - Wed, Sep 2

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

7:05 am - 12:28 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 23m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Tue, Aug 25 - Tue, Sep 1

7:03 am - 5:56 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 53m1 stop Seattle/Tacoma Intl

7:02 am - 12:43 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 41m1 stop Seattle/Tacoma Intl

$677Alaska Airlines

Tue, Aug 25 - Sun, Sep 6

5:34 pm - 5:40 amSTS Santa Rosa Sonoma County-PHL Philadelphia

9h 06m1 stop Seattle/Tacoma Intl

7:02 am - 12:43 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 41m1 stop Seattle/Tacoma Intl

$677Alaska Airlines

Mon, Aug 24 - Sun, Sep 6

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

7:05 am - 12:28 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 23m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Tue, Aug 25 - Sat, Sep 5

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

7:05 am - 12:28 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 23m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Sat, Aug 22 - Sat, Sep 5

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

9:35 am - 3:37 pmPHL Philadelphia-STS Santa Rosa Sonoma County

9h 02m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Sat, Aug 22 - Wed, Sep 2

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

7:05 am - 12:28 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 23m1 stop Phoenix Sky Harbor Intl

$677American Airlines

Sat, Aug 22 - Tue, Sep 1

5:34 pm - 5:40 amSTS Santa Rosa Sonoma County-PHL Philadelphia

9h 06m1 stop Seattle/Tacoma Intl

7:02 am - 12:43 pmPHL Philadelphia-STS Santa Rosa Sonoma County

8h 41m1 stop Seattle/Tacoma Intl

$677Alaska Airlines

Sun, Aug 23 - Sun, Sep 6

12:58 pm - 11:28 pmSTS Santa Rosa Sonoma County-PHL Philadelphia

7h 30m1 stop Phoenix Sky Harbor Intl

5:00 am - 3:37 pmPHL Philadelphia-STS Santa Rosa Sonoma County

13h 37m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$682American Airlines

Tue, Aug 25 - Wed, Sep 2

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Santa Rosa to Philadelphia

Our best Alaska Airlines deals on Santa Rosa to Philadelphia flight tickets

Alaska Airlines

Oct 13

STS3:08 pmSanta Rosa Sonoma County

21h 06m

1 stop

PHL3:14 pmPhiladelphia

Oct 27

PHL6:41 pmPhiladelphia

21h 25m

1 stop

STS1:06 pmSanta Rosa Sonoma County

$413

Alaska Airlines

Sep 1

STS2:52 pmSanta Rosa Sonoma County

21h 53m

1 stop

PHL3:45 pmPhiladelphia

Sep 5

PHL7:02 amPhiladelphia

8h 54m

1 stop

STS12:56 pmSanta Rosa Sonoma County

$418

Alaska Airlines

Oct 13

STS6:19 amSanta Rosa Sonoma County

20h 22m

2 stops

PHL5:41 amPhiladelphia

Oct 27

PHL6:41 pmPhiladelphia

21h 25m

1 stop

STS1:06 pmSanta Rosa Sonoma County

$436

Southwest flights from Santa Rosa to Philadelphia

Our best Southwest deals on Santa Rosa to Philadelphia flight tickets

Southwest

Sep 1

STS6:00 amSanta Rosa Sonoma County

11h 55m

2 stops

PHL8:55 pmPhiladelphia

Sep 5

PHL12:10 pmPhiladelphia

10h 45m

2 stops

STS7:55 pmSanta Rosa Sonoma County

$505

Southwest

Sep 2

STS6:00 amSanta Rosa Sonoma County

12h 45m

2 stops

PHL9:45 pmPhiladelphia

Sep 6

PHL6:10 amPhiladelphia

10h 20m

2 stops

STS1:30 pmSanta Rosa Sonoma County

$654

Southwest

Sep 3

STS6:05 amSanta Rosa Sonoma County

12h 00m

2 stops

PHL9:05 pmPhiladelphia

Sep 7

PHL5:25 amPhiladelphia

11h 55m

2 stops

STS2:20 pmSanta Rosa Sonoma County

$852

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Tue 10/13

3:08 pm-3:14 pm

1 stop21h 06m

Philadelphia

Tue 10/27

6:41 pm-1:06 pm

1 stop21h 25m

$413

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 10/28

8:07 am-3:14 pm

1 stop28h 07m

Philadelphia

Sat 10/31

6:41 pm-1:18 pm

1 stop21h 37m

$413

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 10/28

6:35 am-9:30 pm

2 stops11h 55m

Philadelphia

Sat 10/31

5:00 am-9:50 am

1 stop7h 50m

$418

Quickest round-trip

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 2/3

7:00 am-5:40 pm

1 stop7h 40m

Philadelphia

Mon 2/8

7:00 am-11:54 am

1 stop7h 54m

$418

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 9/2

8:07 am-3:45 pm

1 stop28h 38m

Philadelphia

Sun 9/6

7:02 am-12:43 pm

1 stop8h 41m

$418

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Tue 9/1

2:52 pm-3:45 pm

1 stop21h 53m

Philadelphia

Sat 9/5

7:02 am-12:56 pm

1 stop8h 54m

$418

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 12/2

11:29 am-12:55 am

2 stops10h 26m

Philadelphia

Sat 12/5

6:00 am-4:06 pm

2 stops13h 06m

$423

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Wed 10/28

11:21 am-11:50 pm

2 stops9h 29m

Philadelphia

Sat 10/31

7:13 am-4:05 pm

2 stops11h 52m

$423

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Tue 11/17

12:44 pm-12:17 am

1 stop8h 33m

Philadelphia

Thu 11/26

5:00 am-12:25 pm

1 stop10h 25m

$528

Santa RosaPhiladelphia

STS Santa Rosa Sonoma County - PHL Philadelphia

STSPHL

Santa Rosa Sonoma County

Sat 9/5

12:58 pm-11:28 pm

1 stop7h 30m

Philadelphia

Wed 9/9

7:00 am-12:38 pm

1 stop8h 38m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Santa Rosa to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $462. On the other hand, Monday is the most expensive day to depart from Santa Rosa because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $637.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Santa Rosa to Philadelphia in the evening for as low as $474. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $589.

When to book flights from Santa Rosa to Philadelphia

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

Estimated round-trip price

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

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

Best Price Found	$207
Fastest flight time	7h 30m
Direct flights	None

The best one-way flight to Philadelphia from Santa Rosa in the past 72 hours is $207. The best round-trip flight deal from Santa Rosa to Philadelphia found on momondo in the last 72 hours is $413.

The fastest flight from Santa Rosa to Philadelphia takes 7h 30m

There are no direct flights from Santa Rosa to Philadelphia. There are no popular flight routes from Santa Rosa to Philadelphia.

Search flight deals

Frequently asked questions about flying from Santa Rosa to Philadelphia

How far is Santa Rosa Sonoma County to Philadelphia by plane?
Philadelphia is 2516.5 mi away from Santa Rosa Sonoma County. 7h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport?
Prices for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport?
As of August 2026, there is 1 operator available to choose from for flights from Santa Rosa Sonoma County Airport to Philadelphia Airport.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Philadelphia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Santa Rosa to Philadelphia?
Based on momondo bookings for flights between Santa Rosa and Philadelphia, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Santa Rosa to Philadelphia

Compare and see reviews for airlines that fly from Santa Rosa to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $374	Free Cancellation	Rating 7.1 11,981 reviews		Search American Airlines flights

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

North Wildwood

New Castle

Chester

Vineland

Avalon

Lewes

Stone Harbor

Pottstown

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santa Rosa to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Santa Rosa to Philadelphia 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 Santa Rosa to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Rosa to Philadelphia.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Santa Rosa and alert you when they change.