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Flights from San Diego to Philadelphia

Hi, I've summed up all the key info for San Diego to Philadelphia flights

Cheapest one-way

US$ 117
Frontier Airlines Wed, Oct 7

67% below next 30d avg. (US$350)

Cheapest round-trip

US$ 231
Frontier Airlines Thu, Oct 8

61% below next 30d avg. (US$593)

When to fly

August Cheapest month
January Peak month

Fastest flight

5h 20m Avg: 5h 20m

Recommended airlines

With a lowest one-way fare of US$117 , travelers can expect an average price of US$350 for upcoming trips, while round-trip tickets start at US$231 . Flights typically take around 5h 20m , but the fastest nonstop option completes the journey in just 5h 20m minutes. There are 18 flights weekly on this route. You can land at any one of the following hubs in Philadelphia: Philadelphia International Airport (PHL) , and Trenton Mercer Airport (TTN) . Flying from San Diego International Airport to Philadelphia International Airport (SAN-PHL) is by far the most common option on this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 2d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from San Diego to Philadelphia over the next 90 days, with one-way fares from US$117 and round-trip from US$231. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SAN 06:20
        5h 20m
        Nonstop
        PHL 14:40
        San Diego - Philadelphia | Tue, Oct 6 | American Airlines
        PHL 16:00
        5h 57m
        Nonstop
        SAN 18:57
        Philadelphia - San Diego | Tue, Oct 13 | American Airlines
        US$421 US$480
        12% off
        12% off
        US$480 US$421
      • SAN 06:20
        5h 25m
        Nonstop
        PHL 14:45
        San Diego - Philadelphia | Sat, Sep 26 | American Airlines
        PHL 08:25
        5h 42m
        Nonstop
        SAN 11:07
        Philadelphia - San Diego | Tue, Sep 29 | American Airlines
        US$422 US$480
        12% off
        12% off
        US$480 US$422
      • SAN 16:54
        29h 22m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Thu, Oct 8 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Tue, Oct 13 | Frontier Airlines
        US$231 US$480
        52% off
        52% off
        US$480 US$231
      • SAN 20:34
        7h 44m
        1 stop
        PHL 07:18
        San Diego - Philadelphia | Tue, Oct 13 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Tue, Oct 20 | Frontier Airlines
        US$231
        52% off
        US$480 US$231
      • SAN 06:25
        15h 51m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Sun, Oct 18 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Tue, Oct 20 | Frontier Airlines
        US$236
        51% off
        US$480 US$236
      • SAN 06:25
        15h 51m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Sun, Oct 11 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Sun, Oct 18 | Frontier Airlines
        US$243
        49% off
        US$480 US$243
      • SAN 16:53
        29h 23m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Fri, Oct 9 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Tue, Oct 13 | Frontier Airlines
        US$258
        46% off
        US$480 US$258
      • SAN 20:34
        7h 44m
        1 stop
        PHL 07:18
        San Diego - Philadelphia | Sat, Oct 10 | Frontier Airlines
        PHL 05:50
        21h 6m
        1 stop
        SAN 23:56
        Philadelphia - San Diego | Thu, Oct 15 | Frontier Airlines
        US$258
        46% off
        US$480 US$258
      • SAN 20:34
        7h 44m
        1 stop
        PHL 07:18
        San Diego - Philadelphia | Fri, Oct 23 | Frontier Airlines
        PHL 20:44
        26h 5m
        1 stop
        SAN 19:49
        Philadelphia - San Diego | Mon, Oct 26 | Frontier Airlines
        US$267
        44% off
        US$480 US$267
      • SAN 06:25
        15h 51m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Fri, Oct 16 | Frontier Airlines
        PHL 20:44
        26h 5m
        1 stop
        SAN 19:49
        Philadelphia - San Diego | Mon, Oct 19 | Frontier Airlines
        US$269
        44% off
        US$480 US$269
      • SAN 06:25
        14h 25m
        1 stop
        PHL 23:50
        San Diego - Philadelphia | Thu, Oct 22 | Frontier Airlines
        PHL 05:50
        13h 18m
        1 stop
        SAN 16:08
        Philadelphia - San Diego | Mon, Oct 26 | Frontier Airlines
        US$269
        44% off
        US$480 US$269
      • SAN 16:53
        29h 23m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Thu, Oct 15 | Frontier Airlines
        PHL 20:44
        26h 5m
        1 stop
        SAN 19:49
        Philadelphia - San Diego | Mon, Oct 19 | Frontier Airlines
        US$271
        44% off
        US$480 US$271
      • SAN 13:00
        17h 25m
        1 stop
        PHL 14:00
        San Diego - Philadelphia | Sun, Sep 13 | Normal Airline
        PHL 15:00
        6h
        Nonstop
        SAN 16:00
        Philadelphia - San Diego | Tue, Sep 15 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        SAN 06:20
        5h 20m
        Nonstop
        PHL 14:40
        San Diego - Philadelphia | Thu, Oct 29 | American Airlines
        US$348 US$420
        17% off
        17% off
        US$420 US$348
      • SAN 06:20
        5h 25m
        Nonstop
        PHL 14:45
        San Diego - Philadelphia | Wed, Sep 30 | American Airlines
        US$369 US$420
        12% off
        12% off
        US$420 US$369
      • SAN 16:54
        29h 22m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Wed, Oct 7 | Frontier Airlines
        US$117 US$420
        72% off
        72% off
        US$420 US$117
      • SAN 20:34
        7h 44m
        1 stop
        PHL 07:18
        San Diego - Philadelphia | Fri, Oct 23 | Frontier Airlines
        US$118
        72% off
        US$420 US$118
      • SAN 06:25
        15h 51m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Thu, Oct 8 | Frontier Airlines
        US$125
        70% off
        US$420 US$125
      • SAN 06:25
        14h 25m
        1 stop
        PHL 23:50
        San Diego - Philadelphia | Wed, Oct 21 | Frontier Airlines
        US$133
        68% off
        US$420 US$133
      • SAN 06:25
        20h 11m
        1 stop
        PHL 05:36
        San Diego - Philadelphia | Sun, Oct 11 | Frontier Airlines
        US$134
        68% off
        US$420 US$134
      • SAN 06:25
        20h 11m
        1 stop
        PHL 05:36
        San Diego - Philadelphia | Sat, Oct 10 | Frontier Airlines
        US$134
        68% off
        US$420 US$134
      • SAN 06:25
        14h 25m
        1 stop
        PHL 23:50
        San Diego - Philadelphia | Wed, Oct 14 | Frontier Airlines
        US$134
        68% off
        US$420 US$134
      • SAN 20:34
        7h 44m
        1 stop
        PHL 07:18
        San Diego - Philadelphia | Mon, Oct 12 | Frontier Airlines
        US$164
        61% off
        US$420 US$164
      • SAN 16:53
        29h 23m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Thu, Oct 15 | Frontier Airlines
        US$167
        60% off
        US$420 US$167
      • SAN 06:25
        15h 51m
        1 stop
        PHL 01:16
        San Diego - Philadelphia | Thu, Oct 22 | Frontier Airlines
        US$167
        60% off
        US$420 US$167
      • SAN 13:00
        17h 25m
        1 stop
        PHL 14:00
        San Diego - Philadelphia | Sun, Sep 13 | Normal Airline
        More cheap flights
        More cheap flights

Flight.News
Flights from San Diego to Philadelphia operate an average of 8 times per day over the past 7 days, with a 10.9% on-time departure rate and a 97.9% on-time arrival rate.

Which airlines are the most popular for San Diego to Philadelphia flights?

You can choose from 2 airlines that fly from San Diego to Philadelphia, including Frontier Airlines, American Airlines, Frontier Airlines has lowest fares on this route.
Frontier Airlines logo Frontier Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from San Diego to Philadelphia according to previous 12 months data from Trip.com.

San Diego to Philadelphia Flight Information

The distance between San Diego and Philadelphia is about 3,806.02 km. The average flying time from San Diego to Philadelphia is around 5 hours 20 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is August.

Cheapest one-way flight price US$117
Cheapest return ticket price US$231
Cheapest month August
Peak season for travel January
Flight distance 3,806.02 km
Average flight time 5 hours 20 minutes
Popular airline Frontier Airlines
Frequency ～11/week
Flight statistics for the San Diego–Philadelphia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Diego to Philadelphia (SAN-PHL)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$117 on Cheapest nonstop routes (e.g. SAN to PHL on Wed, Oct 7), while Frontier Airlines offers Cheapest nonstop round-trips from US$231 departing on Thu, Oct 8 and returning on Tue, Oct 13.
  • At the moment, you can catch a nonstop flight from San Diego to Philadelphia with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 5 hours 20 minutes to fly from San Diego to Philadelphia.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from San Diego to Philadelphia. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA433 (09:55)
  • To find best deals on flights from San Diego to Philadelphia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 7, with one-way flights priced at just US$117.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Diego to Philadelphia is August, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from San Diego to Philadelphia on September 28, 2026 with Frontier Airlines, with prices starting at US$120.
  • You can land at any one of the following hubs in Philadelphia: Philadelphia International Airport (PHL), and Trenton Mercer Airport (TTN). Flying from San Diego International Airport to Philadelphia International Airport (SAN-PHL) is by far the most common option on this route.
  • The time difference between Philadelphia and San Diego is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Diego to Philadelphia is US$350. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Diego to Philadelphia is US$593. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Diego and Philadelphia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Trip.com Airline Insights on Flights from San Diego to Philadelphia

Which airline offers the cheapest direct flights from San Diego to Philadelphia?

Data is based on the average price of all nonstop flights from San Diego to Philadelphia on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Jetblue Airways provides the lowest-priced direct flights from San Diego to Philadelphia, with fares starting at US$216.

US$110
US$216
US$323
US$429
US$535
Jetblue Airways
US$216
Jetblue Airways
Frontier Airlines
US$217
Frontier Airlines
United Airlines
US$356
United Airlines
Delta Air Lines
US$505
Delta Air Lines
American Airlines
US$535
American Airlines

Which airline operates the most flights from San Diego to Philadelphia?

Total flights from San Diego to Philadelphia across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, American Airlines operates the most frequent flights from San Diego to Philadelphia, with 23 flights per week.

1
8
16
23
American Airlines
23
American Airlines
Iberia
15
Iberia
British Airways
15
British Airways
Qatar Airways
8
Qatar Airways

How many flights fly from San Diego to Philadelphia daily?

The data is based on the flight numbers for each day of the week from San Diego to Philadelphia within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from San Diego to Philadelphia is the highest on Friday/Saturday and the lowest on Thursday.

40
36
31
27
Highest
32
Mon
32
Tue
32
Wed
31
Thu
40
Fri
40
Sat
36
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.