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Cheap flights from San Diego to Philadelphia from $118

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 9/25. 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

Cheap round-trip flights

Frontier Logo
6:00 pm - 4:49 amSAN-PHL
7h 49m1 stop
Frontier Logo
6:19 am - 11:17 amPHL-SAN
7h 58m1 stop
$213Frontier
Find Deal
jue., nov. 6 - lun., nov. 10
Frontier Logo
6:00 pm - 4:49 amSAN-PHL
7h 49m1 stop
Frontier Logo
4:55 pm - 10:14 pmPHL-SAN
8h 19m1 stop
$217Frontier
Find Deal
jue., oct. 30 - jue., nov. 6
Frontier Logo
6:35 am - 12:57 amSAN-PHL
15h 22m1 stop
Frontier Logo
7:00 am - 3:06 pmPHL-SAN
11h 06m1 stop
$225Frontier
Find Deal
vie., oct. 3 - jue., oct. 9
Frontier Logo
12:04 pm - 12:57 amSAN-PHL
9h 53m1 stop
Frontier Logo
7:00 am - 3:06 pmPHL-SAN
11h 06m1 stop
$229Frontier
Find Deal
jue., oct. 2 - jue., oct. 9
Multiple Airlines Logo
1:35 pm - 12:57 amSAN-PHL
32h 22m2 stops
Multiple Airlines Logo
6:20 am - 1:36 pmPHL-SAN
10h 16m1 stop
$237Multiple Airlines
Find Deal
mié., oct. 1 - lun., oct. 6
Frontier Logo
6:00 pm - 4:49 amSAN-PHL
7h 49m1 stop
Frontier Logo
1:02 pm - 11:50 pmPHL-SAN
13h 48m2 stops
$242Frontier
Find Deal
jue., nov. 13 - lun., nov. 17
Multiple Airlines Logo
8:25 am - 12:57 amSAN-PHL
13h 32m2 stops
Multiple Airlines Logo
6:20 am - 1:36 pmPHL-SAN
10h 16m1 stop
$243Multiple Airlines
Find Deal
jue., oct. 2 - lun., oct. 6
Multiple Airlines Logo
6:15 am - 12:57 amSAN-PHL
15h 42m2 stops
Multiple Airlines Logo
6:20 am - 1:36 pmPHL-SAN
10h 16m1 stop
$244Multiple Airlines
Find Deal
vie., oct. 3 - lun., oct. 6
Frontier Logo
1:06 pm - 6:00 pmSAN-PHL
25h 54m2 stops
Frontier Logo
6:10 am - 3:21 pmPHL-SAN
12h 11m1 stop
$245Frontier
Find Deal
vie., oct. 10 - dom., oct. 19
Delta Logo
7:10 pm - 5:50 amSAN-PHL
7h 40m1 stop
Delta Logo
6:18 pm - 11:14 pmPHL-SAN
7h 56m1 stop
$277Delta
Find Deal
vie., oct. 10 - mar., oct. 14

Frontier flights from San Diego to Philadelphia

Our best Frontier deals on San Diego to Philadelphia flight tickets
Frontier
Nov 6
SAN6:00 pmSan Diego
7h 49m
1 stop
PHL4:49 amPhiladelphia
Nov 10
PHL6:19 amPhiladelphia
7h 58m
1 stop
SAN11:17 amSan Diego
$213
Find similar
Frontier
Oct 30
SAN6:00 pmSan Diego
7h 49m
1 stop
PHL4:49 amPhiladelphia
Nov 6
PHL4:55 pmPhiladelphia
8h 19m
1 stop
SAN10:14 pmSan Diego
$217
Find similar
Frontier
Oct 3
SAN6:35 amSan Diego
15h 22m
1 stop
PHL12:57 amPhiladelphia
Oct 9
PHL7:00 amPhiladelphia
11h 06m
1 stop
SAN3:06 pmSan Diego
$225
Find similar

Delta flights from San Diego to Philadelphia

Our best Delta deals on San Diego to Philadelphia flight tickets
Delta
Oct 10
SAN7:10 pmSan Diego
7h 40m
1 stop
PHL5:50 amPhiladelphia
Oct 14
PHL6:18 pmPhiladelphia
7h 56m
1 stop
SAN11:14 pmSan Diego
$277
Find similar
Delta
Oct 1
SAN10:55 amSan Diego
8h 17m
1 stop
PHL10:12 pmPhiladelphia
Oct 7
PHL6:00 amPhiladelphia
7h 34m
1 stop
SAN10:34 amSan Diego
$351
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 septiembre 17, 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

jue. 11/6

6:00 pm-4:49 am

1 stop7h 49m

Philadelphia

lun. 11/10

6:19 am-11:17 am

1 stop7h 58m

$213

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

jue. 10/30

6:00 pm-4:49 am

1 stop7h 49m

Philadelphia

jue. 11/6

4:55 pm-10:14 pm

1 stop8h 19m

$217

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

vie. 10/3

6:35 am-12:57 am

1 stop15h 22m

Philadelphia

jue. 10/9

7:00 am-3:06 pm

1 stop11h 06m

$225

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

jue. 10/2

12:04 pm-12:57 am

1 stop9h 53m

Philadelphia

jue. 10/9

7:00 am-3:06 pm

1 stop11h 06m

$229

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

mié. 10/1

1:35 pm-12:57 am

2 stops32h 22m

Philadelphia

lun. 10/6

6:20 am-1:36 pm

1 stop10h 16m

$237

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

jue. 11/13

6:00 pm-4:49 am

1 stop7h 49m

Philadelphia

lun. 11/17

1:02 pm-11:50 pm

2 stops13h 48m

$242

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

jue. 10/2

8:25 am-12:57 am

2 stops13h 32m

Philadelphia

lun. 10/6

6:20 am-1:36 pm

1 stop10h 16m

$243

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

vie. 10/3

6:15 am-12:57 am

2 stops15h 42m

Philadelphia

lun. 10/6

6:20 am-1:36 pm

1 stop10h 16m

$244

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

vie. 10/10

1:06 pm-6:00 pm

2 stops25h 54m

Philadelphia

dom. 10/19

6:10 am-3:21 pm

1 stop12h 11m

$245

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

vie. 10/10

7:10 pm-5:50 am

1 stop7h 40m

Philadelphia

mar. 10/14

6:18 pm-11:14 pm

1 stop7h 56m

$277

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 August. Flight prices, which tend to average around $397, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from San Diego averaging around $406.

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 $485. 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 $762.

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 $600.

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 $440 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 $391 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 9% 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 September 2025, prices for San Diego to Philadelphia flights are approximately 7% more expensive 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

$185

Fastest flight time

5h 00m

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 $185. The best round-trip flight deal from San Diego to Philadelphia found on momondo in the last 72 hours is $362.
The fastest flight from San Diego to Philadelphia takes 5h 00m
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 30m.

  • 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
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $199Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $293Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $343Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • American Airlines Flights From San Diego to Philadelphia

    Across 21 American Airlines flights from San Diego to Philadelphia this week, the average price was $465, with the best American Airlines deals starting from $293 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
Dewey Beach
Reading
Newark
Cherry Hill
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
West Chester

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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