Philadelphia

$70+ Cheap flights from San Diego to Philadelphia (SAN - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Apr 9 — Apr 161
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Find cheap flights from San Diego to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Diego to Philadelphia are usually found in October or August, booked 21 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from San Diego to Philadelphia

Cheapest flights from San Diego to Philadelphia
Explore the most affordable flight options available from San Diego to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This CheapOair deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:15 pm
SAN
-
PHL
2 stops17h 23m
Multiple Airlines
Sat 5/98:25 pm
PHL
-
SAN
1 stop15h 09m
Multiple Airlines
Deal found 3/10$349
This Frontier deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:50 am
SAN
-
PHL
1 stop11h 57m
Frontier
Mon 7/272:21 pm
PHL
-
SAN
1 stop12h 05m
Frontier
Deal found 3/10$350
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
SAN
-
PHL
1 stop18h 34m
Multiple Airlines
Tue 5/58:25 am
PHL
-
SAN
2 stops28h 28m
Multiple Airlines
Deal found 3/9$353
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:22 pm
SAN
-
PHL
1 stop10h 53m
United Airlines
Tue 4/2111:36 am
PHL
-
SAN
2 stops12h 03m
United Airlines
Deal found 3/6$354
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 am
SAN
-
PHL
1 stop11h 57m
Frontier
Sun 5/311:06 pm
PHL
-
SAN
2 stops13h 49m
Frontier
Deal found 3/9$355
This Frontier deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:25 pm
SAN
-
PHL
1 stop14h 09m
Frontier
Mon 4/273:27 pm
PHL
-
SAN
1 stop9h 17m
Frontier
Deal found 3/8$356
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:25 am
SAN
-
PHL
1 stop20h 06m
Frontier
Fri 4/173:22 pm
PHL
-
SAN
1 stop11h 07m
Frontier
Deal found 3/9$357
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:25 am
SAN
-
PHL
2 stops14h 58m
Frontier
Sun 4/198:36 pm
PHL
-
SAN
1 stop14h 58m
Frontier
Deal found 3/9$358
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:37 pm
SAN
-
PHL
2 stops10h 51m
United Airlines
Fri 4/173:40 pm
PHL
-
SAN
2 stops11h 19m
United Airlines
Deal found 3/6$359
This Frontier deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:55 am
SAN
-
PHL
1 stop13h 13m
Frontier
Sun 3/83:41 pm
PHL
-
SAN
1 stop11h 35m
Frontier
Deal found 3/5$360
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:58 pm
SAN
-
PHL
2 stops23h 54m
Frontier
Wed 4/18:25 pm
PHL
-
SAN
1 stop14h 27m
Frontier
Deal found 3/8$361
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:16 am
SAN
-
PHL
2 stops24h 46m
Frontier
Sat 5/302:21 pm
PHL
-
SAN
1 stop12h 05m
Frontier
Deal found 3/5$362

Find flight deals from San Diego to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(CheapOair)

One-way from

$70
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$464

Good round-trip deal

$452 or less

Good one-way deal

$281 or less
Provider with most accurate pricing for San Diego-Philadelphia flight deals.
Provider most trusted by Cheapflights users for San Diego-Philadelphia flights.
From San Diego to Philadelphia
One-way flight from San Diego to Philadelphia
Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from San Diego to Philadelphia.
Price to beat on a one-way flight from San Diego to Philadelphia.

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 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

Cheapest round-trip

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Mon 6/15

6:55 pm-9:45 am

2 stops11h 50m

Philadelphia

Wed 7/1

6:00 am-11:21 am

1 stop8h 21m

$354

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 4/16

8:37 pm-10:28 am

2 stops10h 51m

Philadelphia

Tue 4/21

11:36 am-9:30 pm

2 stops12h 54m

$359

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 5/27

10:40 pm-2:10 pm

2 stops12h 30m

Philadelphia

Sat 5/30

12:46 pm-11:54 pm

2 stops14h 08m

$370

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/29

6:20 pm-9:59 am

2 stops12h 39m

Philadelphia

Sat 5/2

6:10 am-5:24 pm

2 stops14h 14m

$370

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/22

12:33 pm-6:02 am

2 stops14h 29m

Philadelphia

Wed 5/13

7:16 pm-9:15 am

1 stop16h 59m

$379

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 4/18

8:20 am-9:35 pm

2 stops10h 15m

Philadelphia

Sat 4/25

5:00 pm-11:25 pm

2 stops9h 25m

$389

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/29

6:20 am-5:50 pm

2 stops8h 30m

Philadelphia

Tue 5/5

4:00 pm-10:40 pm

2 stops9h 40m

$389
Quickest round-trip

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 8/1

10:30 pm-8:36 am

1 stop7h 06m

Philadelphia

Sat 8/8

5:30 am-11:35 am

1 stop9h 05m

$391

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 6/24

3:20 pm-6:05 am

1 stop11h 45m

Philadelphia

Sat 7/11

7:05 am-2:39 pm

1 stop10h 34m

$391

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 7/8

12:10 pm-1:00 am

2 stops9h 50m

Philadelphia

Tue 7/14

12:55 pm-7:00 pm

2 stops9h 05m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from San Diego to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Philadelphia

How far ahead should I book a flight from San Diego to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Philadelphia. Price data was last updated on March 6, 2026.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Philadelphia?

Currently, June is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $78). Flying from San Diego to Philadelphia in April is currently the most expensive (average of $163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to PHL?

Find hourly flight availability from San Diego to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Philadelphia as you normally would.

The best insider tips for San Diego to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Philadelphia trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated March 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from San Diego to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Diego to Philadelphia?

    If you wish to fly to Philadelphia from San Diego, then you need to book flights from San Diego to Philadelphia. There are 7 flights from San Diego (SAN) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from San Diego are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 5h 04m is how long a nonstop flight from San Diego to Philadelphia typically takes.

  • How popular is this San Diego to Philadelphia flight route?

  • How long is the flight from San Diego to Philadelphia?

    Airlines like United Airlines and Alaska Airlines fly from San Diego to Philadelphia in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 2h 39m. The distance between San Diego and Philadelphia is about 2364 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Diego to Philadelphia round-trip?

    According to our current data, Spirit Airlines ($83), Delta ($138), and Frontier ($166) offers the cheapest pricing from San Diego to Philadelphia. Users have found that Spirit Airlines is 80% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Philadelphia one-way?

    One-way options have recently been found by users for as low as $72 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $74 and JetBlue from $132 one-way.

  • What are the most reliable airlines from San Diego to Philadelphia?

    The top 3 most reliable airlines when flying from San Diego to Philadelphia are American Airlines (83%), Iberia (79%) and British Airways (79%).

  • What are the cheapest flights from San Diego to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $196. While the most popular route (San Diego - Philadelphia) can be booked for $170 on average, our data indicates $988 when flying from San Diego to Philadelphia.

  • Where are the most common layover locations when flying from San Diego to Philadelphia?

  • What are some popular things to do or see while on a layover in Denver?

    Coors Field, 16th Street Mall, and Civic Center Park are currently the most popular points of interest in Denver at the moment. Coors Field, 16th Street Mall and Civic Center Park are located about 18.4 mi, 18.7 mi, and 18.7 mi, respectively from Denver Intl if you are interested in checking them out. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $42 per day.

  • Where are the least popular layover locations for San Diego to Philadelphia flights?

  • Can I find deals for flights from San Diego to Philadelphia that include hotel bookings?

    Yes. In addition to deals on San Diego to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Philadelphia.

  • Can I find deals for business class flights from San Diego to Philadelphia?

    Yes. Cheapflights offers flight deals from San Diego to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Philadelphia?

    Currently, June is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $78). Flying from San Diego to Philadelphia in April is currently the most expensive (average of $163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Diego to Philadelphia

Discover the top 7 airlines that operate flights from San Diego to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$241FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$325FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$166Average$253FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$198Average$439FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$298Average$392FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$316Average$455FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$348Average$447FlexibilityNo cancel feeOn-time63%

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