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Cheap flights from San Diego to Philadelphia from $66

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 5/2. 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 Diego to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:25 am - 5:31 am
SAN
-
PHL
20h 06m
1 stop
Frontier Logo
8:25 pm - 12:02 am
PHL
-
SAN
30h 37m
1 stop
$353Frontier
Fri, Apr 3 - Tue, Apr 7
Multiple Airlines Logo
6:25 am - 5:31 am
SAN
-
PHL
20h 06m
1 stop
Multiple Airlines Logo
6:00 am - 9:33 am
PHL
-
SAN
30h 33m
2 stops
$354Multiple Airlines
Thu, Mar 19 - Sun, Mar 22
JetBlue Logo
8:34 pm - 2:05 pm
SAN
-
PHL
14h 31m
1 stop
JetBlue Logo
6:00 am - 2:23 pm
PHL
-
SAN
11h 23m
1 stop
$356JetBlue
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
8:34 pm - 2:05 pm
SAN
-
PHL
14h 31m
1 stop
Multiple Airlines Logo
5:42 pm - 12:08 am
PHL
-
SAN
9h 26m
1 stop
$357Multiple Airlines
Mon, Feb 16 - Thu, Feb 19
Multiple Airlines Logo
9:10 pm - 10:07 pm
SAN
-
PHL
21h 57m
2 stops
Multiple Airlines Logo
5:47 pm - 9:41 pm
PHL
-
SAN
30h 54m
1 stop
$361Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
10:00 am - 5:34 am
SAN
-
PHL
16h 34m
1 stop
Multiple Airlines Logo
8:25 am - 9:53 am
PHL
-
SAN
28h 28m
2 stops
$362Multiple Airlines
Wed, Apr 15 - Wed, May 6
Multiple Airlines Logo
6:25 am - 5:34 am
SAN
-
PHL
20h 09m
1 stop
Multiple Airlines Logo
6:00 am - 2:02 pm
PHL
-
SAN
11h 02m
1 stop
$364Multiple Airlines
Fri, Apr 24 - Sun, May 3
JetBlue Logo
8:59 pm - 9:04 am
SAN
-
PHL
9h 05m
1 stop
JetBlue Logo
8:20 pm - 8:17 pm
PHL
-
SAN
26h 57m
1 stop
$365JetBlue
Wed, Mar 18 - Fri, Mar 20
Multiple Airlines Logo
2:20 pm - 6:03 pm
SAN
-
PHL
24h 43m
1 stop
Multiple Airlines Logo
5:42 pm - 12:08 am
PHL
-
SAN
9h 26m
1 stop
$366Multiple Airlines
Sat, Feb 7 - Sun, Feb 15
Frontier Logo
6:25 am - 4:37 pm
SAN
-
PHL
7h 12m
1 stop
Frontier Logo
7:05 pm - 11:28 am
PHL
-
SAN
19h 23m
1 stop
$372Frontier
Thu, Feb 12 - Fri, Feb 13

Frontier flights from San Diego to Philadelphia

Our best Frontier deals on San Diego to Philadelphia flight tickets
Frontier
Apr 3
SAN6:25 amSan Diego
20h 06m
1 stop
PHL5:31 amPhiladelphia
Apr 7
PHL8:25 pmPhiladelphia
30h 37m
1 stop
SAN12:02 amSan Diego
$353
Frontier
Feb 12
SAN6:25 amSan Diego
7h 12m
1 stop
PHL4:37 pmPhiladelphia
Feb 13
PHL7:05 pmPhiladelphia
19h 23m
1 stop
SAN11:28 amSan Diego
$372
Frontier
Feb 8
SAN11:20 amSan Diego
26h 42m
2 stops
PHL5:02 pmPhiladelphia
Feb 15
PHL5:42 pmPhiladelphia
9h 26m
1 stop
SAN12:08 amSan Diego
$376

JetBlue flights from San Diego to Philadelphia

Our best JetBlue deals on San Diego to Philadelphia flight tickets
JetBlue
Feb 18
SAN8:34 pmSan Diego
14h 31m
1 stop
PHL2:05 pmPhiladelphia
Feb 25
PHL6:00 amPhiladelphia
11h 23m
1 stop
SAN2:23 pmSan Diego
$356
JetBlue
Mar 18
SAN8:59 pmSan Diego
9h 05m
1 stop
PHL9:04 amPhiladelphia
Mar 20
PHL8:20 pmPhiladelphia
26h 57m
1 stop
SAN8:17 pmSan Diego
$365
JetBlue
Mar 16
SAN11:11 amSan Diego
8h 20m
1 stop
PHL10:31 pmPhiladelphia
Mar 24
PHL6:00 amPhiladelphia
10h 08m
1 stop
SAN1:08 pmSan Diego
$422

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 February 3, 2026.
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

Fri 4/3

6:25 am-5:31 am

1 stop20h 06m

Philadelphia

Tue 4/7

8:25 pm-12:02 am

1 stop30h 37m

$353

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 3/19

6:25 am-5:31 am

1 stop20h 06m

Philadelphia

Sun 3/22

6:00 am-9:33 am

2 stops30h 33m

$354

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 2/18

8:34 pm-2:05 pm

1 stop14h 31m

Philadelphia

Wed 2/25

6:00 am-2:23 pm

1 stop11h 23m

$356

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Mon 2/16

8:34 pm-2:05 pm

1 stop14h 31m

Philadelphia

Thu 2/19

5:42 pm-12:08 am

1 stop9h 26m

$357

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 2/19

9:10 pm-10:07 pm

2 stops21h 57m

Philadelphia

Mon 2/23

5:47 pm-9:41 pm

1 stop30h 54m

$361

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/15

10:00 am-5:34 am

1 stop16h 34m

Philadelphia

Wed 5/6

8:25 am-9:53 am

2 stops28h 28m

$362

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 4/24

6:25 am-5:34 am

1 stop20h 09m

Philadelphia

Sun 5/3

6:00 am-2:02 pm

1 stop11h 02m

$364

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 3/18

8:59 pm-9:04 am

1 stop9h 05m

Philadelphia

Fri 3/20

8:20 pm-8:17 pm

1 stop26h 57m

$365

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 2/7

2:20 pm-6:03 pm

1 stop24h 43m

Philadelphia

Sun 2/15

5:42 pm-12:08 am

1 stop9h 26m

$366

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 2/12

6:25 am-4:37 pm

1 stop7h 12m

Philadelphia

Fri 2/13

7:05 pm-11:28 am

1 stop19h 23m

$372

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 October. Flight prices, which tend to average around $375, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from San Diego averaging around $397.

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 $466. 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 $738.

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 San Diego to Philadelphia in the evening for as low as $445. 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 $540.

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 $432 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 $404 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 February 2026, prices for San Diego to Philadelphia flights are approximately 30% 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

$307

Fastest flight time

5h 04m

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 $307. The best round-trip flight deal from San Diego to Philadelphia found on momondo in the last 72 hours is $397.
The fastest flight from San Diego to Philadelphia takes 5h 04m
Direct flights go from San Diego to Philadelphia every day.
There is 1 airport in Philadelphia. From San Diego there are direct flights to 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 5h 04m.

  • 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 $83Free CancellationRating
6.3
8,396 reviews
Search Spirit Airlines flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,132 reviews
Search Delta flights
FrontierPriceFrom $150Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
SouthwestPriceFrom $348Free CancellationRating
8.0
4,271 reviews
Search Southwest flights

  • American Airlines Flights From San Diego to Philadelphia

    Across 14 American Airlines flights from San Diego to Philadelphia this week, the average price was $455, with the best American Airlines deals starting from $315 round-trip. 11,212 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
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Elkton
Pottstown

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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