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Cheap flights from San Diego to Philadelphia from $79

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 Diego to Philadelphia departing on 9/17. 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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Find the cheapest flights from San Diego to Philadelphia (SAN-PHL)

Cheap round-trip flights

Frontier Logo
12:04 pm - 9:25 amSAN-PHL
18h 21m2 stops
Frontier Logo
6:45 am - 11:09 amPHL-SAN
7h 24m1 stop
$202Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
Frontier Logo
10:20 am - 12:57 amSAN-PHL
11h 37m1 stop
Frontier Logo
8:10 am - 4:42 pmPHL-SAN
11h 32m1 stop
$203Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Frontier Logo
12:04 pm - 12:57 amSAN-PHL
9h 53m1 stop
Frontier Logo
8:10 am - 6:44 pmPHL-SAN
13h 34m2 stops
$204Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Spirit Airlines Logo
6:15 am - 8:51 pmSAN-PHL
11h 36m1 stop
Spirit Airlines Logo
2:07 pm - 7:29 amPHL-SAN
20h 22m2 stops
$207Spirit Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Spirit Airlines Logo
6:15 am - 8:51 pmSAN-PHL
11h 36m1 stop
Spirit Airlines Logo
6:25 am - 11:03 amPHL-SAN
7h 38m1 stop
$208Spirit Airlines
Find Deal
Wed, Sep 17 - Sun, Sep 21
Spirit Airlines Logo
6:15 am - 8:51 pmSAN-PHL
11h 36m1 stop
Spirit Airlines Logo
2:07 pm - 11:34 pmPHL-SAN
12h 27m2 stops
$209Spirit Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
Frontier Logo
6:25 am - 12:57 amSAN-PHL
15h 32m2 stops
Frontier Logo
7:00 am - 1:36 pmPHL-SAN
9h 36m1 stop
$211Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Logo
6:41 am - 5:19 amSAN-PHL
19h 38m1 stop
Logo
1:02 pm - 12:19 pmPHL-SAN
26h 17m2 stops
$215
Find Deal
Wed, Oct 22 - Mon, Oct 27
Logo
5:37 pm - 4:32 pmSAN-PHL
19h 55m1 stop
Logo
2:07 pm - 11:34 pmPHL-SAN
12h 27m2 stops
$216
Find Deal
Sun, Sep 7 - Wed, Sep 10
Delta Logo
5:05 pm - 5:45 amSAN-PHL
9h 40m1 stop
Delta Logo
5:23 pm - 9:47 pmPHL-SAN
7h 24m1 stop
$227Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15

Spirit Airlines flights from San Diego to Philadelphia

Our best Spirit Airlines deals on San Diego to Philadelphia flight tickets
Spirit Airlines
Sep 17
SAN6:15 amSan Diego
11h 36m
1 stop
PHL8:51 pmPhiladelphia
Sep 24
PHL2:07 pmPhiladelphia
20h 22m
2 stops
SAN7:29 amSan Diego
$207
Find similar
Spirit Airlines
Sep 17
SAN6:15 amSan Diego
11h 36m
1 stop
PHL8:51 pmPhiladelphia
Sep 21
PHL6:25 amPhiladelphia
7h 38m
1 stop
SAN11:03 amSan Diego
$208
Find similar
Spirit Airlines
Sep 17
SAN6:15 amSan Diego
11h 36m
1 stop
PHL8:51 pmPhiladelphia
Sep 23
PHL2:07 pmPhiladelphia
12h 27m
2 stops
SAN11:34 pmSan Diego
$209
Find similar

Frontier flights from San Diego to Philadelphia

Our best Frontier deals on San Diego to Philadelphia flight tickets
Frontier
Sep 11
SAN12:04 pmSan Diego
18h 21m
2 stops
PHL9:25 amPhiladelphia
Sep 15
PHL6:45 amPhiladelphia
7h 24m
1 stop
SAN11:09 amSan Diego
$202
Find similar
Frontier
Sep 12
SAN10:20 amSan Diego
11h 37m
1 stop
PHL12:57 amPhiladelphia
Sep 14
PHL8:10 amPhiladelphia
11h 32m
1 stop
SAN4:42 pmSan Diego
$203
Find similar
Frontier
Sep 11
SAN12:04 pmSan Diego
9h 53m
1 stop
PHL12:57 amPhiladelphia
Sep 14
PHL8:10 amPhiladelphia
13h 34m
2 stops
SAN6:44 pmSan Diego
$204
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 August 21, 2025.
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 9/11

12:04 pm-9:25 am

2 stops18h 21m

Philadelphia

Mon 9/15

6:45 am-11:09 am

1 stop7h 24m

$202

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 9/12

10:20 am-12:57 am

1 stop11h 37m

Philadelphia

Sun 9/14

8:10 am-4:42 pm

1 stop11h 32m

$203

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 9/11

12:04 pm-12:57 am

1 stop9h 53m

Philadelphia

Sun 9/14

8:10 am-6:44 pm

2 stops13h 34m

$204

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Wed 9/24

2:07 pm-7:29 am

2 stops20h 22m

$207

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Sun 9/21

6:25 am-11:03 am

1 stop7h 38m

$208

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Tue 9/23

2:07 pm-11:34 pm

2 stops12h 27m

$209

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 10/2

6:25 am-12:57 am

2 stops15h 32m

Philadelphia

Sun 10/5

7:00 am-1:36 pm

1 stop9h 36m

$211

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 10/22

6:41 am-5:19 am

1 stop19h 38m

Philadelphia

Mon 10/27

1:02 pm-12:19 pm

2 stops26h 17m

$215

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sun 9/7

5:37 pm-4:32 pm

1 stop19h 55m

Philadelphia

Wed 9/10

2:07 pm-11:34 pm

2 stops12h 27m

$216

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 9/11

5:05 pm-5:45 am

1 stop9h 40m

Philadelphia

Mon 9/15

5:23 pm-9:47 pm

1 stop7h 24m

$227

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 Diego 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 cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from San Diego is in April. Flight prices, which tend to average around $406, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Philadelphia, with average flight prices from San Diego averaging around $411.

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

The cheapest day to depart from San Diego to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $492. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $751.

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 afternoon. momondo users have found flights departing from San Diego to Philadelphia in the afternoon for as low as $260. 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 $620.

What is the cheapest San Diego to Philadelphia flight route?

Fly from San Diego to Philadelphia for the best San Diego - 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 Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from San Diego for as low as $373 on momondo.

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

There are 4 cabin classes available to choose from on San Diego 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 Diego to Philadelphia flights?

You could potentially save up to 43% on your flight if you consider stops on a San Diego to Philadelphia flight.

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

As of August 2025, prices for San Diego to Philadelphia flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Philadelphia

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

Cheap San Diego to Philadelphia (SAN to PHL) flight deals and tips

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

Best Price Found

$168

Fastest flight time

4h 49m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from San Diego in the past 72 hours is $168. The best round-trip flight deal from San Diego to Philadelphia found on momondo in the last 72 hours is $367.
The fastest flight from San Diego to Philadelphia takes 4h 49m
Direct flights go from San Diego to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is San Diego to Philadelphia by plane?

    Philadelphia is 2366.5 mi away from San Diego. By plane, this route typically takes 7h 18m.

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

    Prices for flights from San Diego Airport to Philadelphia Airport refresh daily.

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

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

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

Best airlines flying from San Diego to Philadelphia

Compare and see reviews for airlines that fly from San Diego to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $116Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
DeltaPriceFrom $199Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
American AirlinesPriceFrom $290Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $341Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

  • American Airlines Flights From San Diego to Philadelphia

    Across 20 American Airlines flights from San Diego to Philadelphia this week, the average price was $469, with the best American Airlines deals starting from $290 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 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
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
North Wildwood
Cherry Hill
Lewes
Dover
Avalon
Stone Harbor
Vineland
Exton
Essington
Pottstown
New Castle

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Philadelphia for you.

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

Flights from San Diego 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 San Diego to Philadelphia?

momondo helps you find the best flight between San Diego and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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