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Cheap flights from San Diego to Philadelphia from £105

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
21 Apr — 28 Apr1
1 adult

Cheap 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 16 April 2025.

Round-trip from

£207

One-way from

£105

Popular in

December

Cheapest in

September

Average price

£316
JetBlue
  • JetBlue
  • 10/5-22/5
  • 2 total stops
  • 19h 26m total
  • San Diego to Philadelphia
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Delta
  • Delta
  • 13/5
  • 1 total stop
  • 8h 56m total
  • San Diego to Philadelphia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find 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 16 April 2025.

Sat 10/520:25SAN - PHL
1 stop10h 13mJetBlue
Thu 22/506:00PHL - SAN
1 stop9h 13mJetBlue
Deal found 16/4£207
Sat 10/506:15SAN - PHL
1 stop8h 21mDelta
Fri 23/513:00PHL - SAN
1 stop8h 08mDelta
Deal found 16/4£210
Sat 10/506:33SAN - PHL
2 stops20h 11mAlaska Airlines
Wed 14/507:04PHL - SAN
1 stop12h 26mAlaska Airlines
Deal found 15/4£256
Wed 20/809:55SAN - PHL
2 stops8h 55mSouthwest
Wed 27/815:20PHL - SAN
2 stops8h 35mSouthwest
Deal found 14/4£267
Sat 10/519:25SAN - PHL
2 stops11h 20mUnited Airlines
Wed 14/513:10PHL - SAN
2 stops12h 55mUnited Airlines
Deal found 15/4£304
Sun 27/422:45SAN - PHL
Nonstop5h 11mAmerican Airlines
Wed 30/419:10PHL - SAN
Nonstop5h 57mAmerican Airlines
Deal found 15/4£533

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 16 April 2025.
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.

Fly from

San Diego

Fly to

Philadelphia

Route

Depart

Return

Price

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 10/5

20:25-09:38

1 stop10h 13m

Philadelphia

Thu 22/5

06:00-12:13

1 stop9h 13m

£207

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 10/5

06:15-17:36

1 stop8h 21m

Philadelphia

Fri 23/5

13:00-18:08

1 stop8h 08m

£210

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 10/5

06:33-05:44

2 stops20h 11m

Philadelphia

Wed 14/5

07:04-16:30

1 stop12h 26m

£256

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 20/8

09:55-21:50

2 stops8h 55m

Philadelphia

Wed 27/8

15:20-20:55

2 stops8h 35m

£267

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 10/5

19:25-09:45

2 stops11h 20m

Philadelphia

Wed 14/5

13:10-23:05

2 stops12h 55m

£304

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sun 27/4

22:45-06:56

Nonstop5h 11m

Philadelphia

Wed 30/4

19:10-22:07

Nonstop5h 57m

£533

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 13/5

08:00-19:56

1 stop8h 56m

£105

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 4/7

14:38-05:26

2 stops11h 48m

£109

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 7/5

14:55-05:44

2 stops11h 49m

£130

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/7

11:35-00:05

2 stops9h 30m

£136

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 12 results
1
2

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 return 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 return flight from San Diego to Philadelphia. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Philadelphia, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of £648). Flying from San Diego to Philadelphia in July is currently the most expensive (average of £839). 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 16 April 2025.

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.

Weekly flight availability from San Diego to Philadelphia

Explore weekly flight availability from San Diego to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 April 2025.

The most flights from SAN to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 16 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Philadelphia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,876 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,282 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,918 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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

    Cheapflights users have booked flights from San Diego to Philadelphia round-trip from £207. Other airlines that can offer you cheap pricing are Delta, from £210, and Alaska Airlines, from £256. JetBlue is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • 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 £105 on Delta. Other airlines that offer cheap prices include United Airlines from £109 and Alaska Airlines from £130 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Philadelphia on time: American Airlines (82%), British Airways (81%), Iberia (76%).

  • 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 holiday 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, March is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of £648). Flying from San Diego to Philadelphia in July is currently the most expensive (average of £839). 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

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Why should you use Cheapflights to find cheap flight tickets from San Diego to Philadelphia?

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Yes! Cheapflights helps users easily find flights from San Diego to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from San Diego to Philadelphia become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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