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Cheap flights from San Francisco to Philadelphia from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Philadelphia departing on 2/12. 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 San Francisco to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:21 am - 2:40 pm
SFO
-
PHL
5h 19mnonstop
American Airlines Logo
3:53 pm - 7:21 pm
PHL
-
SFO
6h 28mnonstop
$289American Airlines
Thu, Feb 26 - Sat, Feb 28
Frontier Logo
10:58 pm - 10:27 am
SFO
-
PHL
8h 29m
1 stop
Frontier Logo
12:23 pm - 9:55 pm
PHL
-
SFO
12h 32m
1 stop
$290Frontier
Mon, Feb 16 - Sat, Feb 21
Frontier Logo
6:15 am - 4:37 pm
SFO
-
PHL
7h 22m
1 stop
Frontier Logo
12:28 pm - 9:39 pm
PHL
-
SFO
12h 11m
1 stop
$291Frontier
Thu, Feb 12 - Mon, Feb 16
American Airlines Logo
6:21 am - 2:40 pm
SFO
-
PHL
5h 19mnonstop
American Airlines Logo
7:09 pm - 10:41 pm
PHL
-
SFO
6h 32mnonstop
$292American Airlines
Sat, Feb 14 - Fri, Feb 20
Frontier Logo
10:48 am - 10:42 am
SFO
-
PHL
44h 54m
2 stops
Frontier Logo
5:42 pm - 8:03 am
PHL
-
SFO
17h 21m
1 stop
$293Frontier
Thu, Feb 12 - Sun, Feb 15
Frontier Logo
6:15 am - 4:37 pm
SFO
-
PHL
7h 22m
1 stop
Frontier Logo
7:05 pm - 12:28 am
PHL
-
SFO
8h 23m
1 stop
$294Frontier
Sun, Feb 15 - Fri, Feb 20
Frontier Logo
7:00 am - 5:30 pm
SFO
-
PHL
31h 30m
2 stops
Frontier Logo
5:42 pm - 8:03 am
PHL
-
SFO
17h 21m
1 stop
$295Frontier
Wed, Feb 4 - Sun, Feb 15
Frontier Logo
10:28 am - 10:42 am
SFO
-
PHL
21h 14m
1 stop
Frontier Logo
5:42 pm - 8:03 am
PHL
-
SFO
17h 21m
1 stop
$296Frontier
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
7:15 pm - 9:54 pm
SFO
-
PHL
23h 39m
2 stops
Frontier Logo
11:34 am - 9:39 pm
PHL
-
SFO
13h 05m
1 stop
$297Frontier
Wed, Feb 11 - Tue, Feb 17
Frontier Logo
7:00 am - 3:37 pm
SFO
-
PHL
29h 37m
2 stops
Frontier Logo
11:40 am - 9:39 pm
PHL
-
SFO
12h 59m
1 stop
$298Frontier
Tue, Feb 3 - Tue, Feb 10

American Airlines flights from San Francisco to Philadelphia

Our best American Airlines deals on San Francisco to Philadelphia flight tickets
American Airlines
Feb 26
SFO6:21 amSan Francisco
5h 19m
PHL2:40 pmPhiladelphia
Mar 4
PHL7:17 pmPhiladelphia
6h 32m
SFO10:49 pmSan Francisco
$289
American Airlines
Feb 14
SFO6:21 amSan Francisco
5h 19m
PHL2:40 pmPhiladelphia
Feb 20
PHL7:09 pmPhiladelphia
6h 32m
SFO10:41 pmSan Francisco
$292
American Airlines
Feb 19
SFO11:49 pmSan Francisco
5h 19m
PHL8:08 amPhiladelphia
Feb 22
PHL7:17 pmPhiladelphia
6h 32m
SFO10:49 pmSan Francisco
$313

Frontier flights from San Francisco to Philadelphia

Our best Frontier deals on San Francisco to Philadelphia flight tickets
Frontier
Feb 4
SFO7:00 amSan Francisco
31h 30m
2 stops
PHL5:30 pmPhiladelphia
Feb 11
PHL11:40 amPhiladelphia
12h 59m
1 stop
SFO9:39 pmSan Francisco
$289
Frontier
Feb 16
SFO10:58 pmSan Francisco
8h 29m
1 stop
PHL10:27 amPhiladelphia
Feb 21
PHL12:23 pmPhiladelphia
12h 32m
1 stop
SFO9:55 pmSan Francisco
$290
Frontier
Feb 12
SFO6:15 amSan Francisco
7h 22m
1 stop
PHL4:37 pmPhiladelphia
Feb 16
PHL12:28 pmPhiladelphia
12h 11m
1 stop
SFO9:39 pmSan Francisco
$291

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Philadelphia 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 January 22, 2026.
Use the filters below to find and compare flights from San Francisco to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 2/26

6:21 am-2:40 pm

Nonstop5h 19m

Philadelphia

Sat 2/28

3:53 pm-7:21 pm

Nonstop6h 28m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Mon 2/16

10:58 pm-10:27 am

1 stop8h 29m

Philadelphia

Sat 2/21

12:23 pm-9:55 pm

1 stop12h 32m

$290

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 2/12

6:15 am-4:37 pm

1 stop7h 22m

Philadelphia

Mon 2/16

12:28 pm-9:39 pm

1 stop12h 11m

$291

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 2/14

6:21 am-2:40 pm

Nonstop5h 19m

Philadelphia

Fri 2/20

7:09 pm-10:41 pm

Nonstop6h 32m

$292

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 2/12

10:48 am-10:42 am

2 stops44h 54m

Philadelphia

Sun 2/15

5:42 pm-8:03 am

1 stop17h 21m

$293

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sun 2/15

6:15 am-4:37 pm

1 stop7h 22m

Philadelphia

Fri 2/20

7:05 pm-12:28 am

1 stop8h 23m

$294

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 2/4

7:00 am-5:30 pm

2 stops31h 30m

Philadelphia

Sun 2/15

5:42 pm-8:03 am

1 stop17h 21m

$295

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 2/20

10:28 am-10:42 am

1 stop21h 14m

Philadelphia

Sun 2/22

5:42 pm-8:03 am

1 stop17h 21m

$296

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 2/11

7:15 pm-9:54 pm

2 stops23h 39m

Philadelphia

Tue 2/17

11:34 am-9:39 pm

1 stop13h 05m

$297

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 2/3

7:00 am-3:37 pm

2 stops29h 37m

Philadelphia

Tue 2/10

11:40 am-9:39 pm

1 stop12h 59m

$298

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 Philadelphia from

How to get the cheapest flight ticket from San Francisco 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

What is the typical price of a round-trip flight between San Francisco and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from San Francisco is in March. Flight prices, which tend to average around $374, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from San Francisco averaging around $389.

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

The cheapest day to depart from San Francisco to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $410. On the other hand, Monday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $554.

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 at noon. momondo users have found flights departing from San Francisco to Philadelphia at noon for as low as $389. 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 in the morning when prices are around $486.

What is the cheapest San Francisco to Philadelphia flight route?

Fly from San Francisco to Philadelphia for the best San Francisco - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $425 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from San Francisco for as low as $358 on momondo.

What cabin class options are available on San Francisco to Philadelphia flights?

There are 4 cabin classes available to choose from on San Francisco to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Philadelphia flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Philadelphia.

How have San Francisco to Philadelphia flight prices changed over time?

As of January 2026, prices for San Francisco to Philadelphia flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Philadelphia

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

Cheap San Francisco to Philadelphia (SFO to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Philadelphia

Best Price Found

$307

Fastest flight time

5h 10m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from San Francisco in the past 72 hours is $307. The best round-trip flight deal from San Francisco to Philadelphia found on momondo in the last 72 hours is $375.
The fastest flight from San Francisco to Philadelphia takes 5h 10m
Direct flights go from San Francisco to Philadelphia every day.
There is 1 airport in Philadelphia. From San Francisco there are direct flights to Philadelphia (PHL).
Search flight deals

  • How far is San Francisco to Philadelphia by plane?

    The straight-line distance from San Francisco to Philadelphia is 2514.9 mi. By plane, this route typically takes 5h 10m.

  • When did momondo last update prices for flights from San Francisco Airport to Philadelphia Airport?

    Prices for flights from San Francisco Airport to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Philadelphia Airport?

  • How old do you have to be to fly from San Francisco Airport to Philadelphia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Philadelphia Airport.

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

    The travel and health documents required for your trip to Philadelphia 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 Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Philadelphia?

  • What is the most popular airline from San Francisco to Philadelphia?

Best airlines flying from San Francisco to Philadelphia

Compare and see reviews for airlines that fly from San Francisco to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $138Free CancellationRating
7.9
8,087 reviews
Search Delta flights
FrontierPriceFrom $144Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
JetBluePriceFrom $246Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
American AirlinesPriceFrom $289Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $348Free CancellationRating
8.0
11,775 reviews
Search Alaska Airlines flights

  • United Airlines Flights From San Francisco to Philadelphia

    The lowest priced United Airlines flight from San Francisco to Philadelphia from the last 72 hours was $289. Generally, United Airlines has 5 flights on this route every week with an average price of $470. United Airlines is rated 7.4/10 by our users.

  • American Airlines Flights From San Francisco to Philadelphia

    The best American Airlines deal for San Francisco to Philadelphia flight tickets found on momondo in the last 72 hours was $289, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $417 round-trip. American Airlines operates 14 flights out of San Francisco into Philadelphia in an average week, so prices vary by time and availability. 11,173 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Pottstown
Somers Point

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Philadelphia?

Finding the right flight to Philadelphia from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from San Francisco to Philadelphia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Philadelphia from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from San Francisco.

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

Yes momondo offers price alerts on flights to Philadelphia from San Francisco. 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.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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