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$90+ Cheap flights from Irvine, CA to Philadelphia (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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Philadelphia are usually found in September or October, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Irvine to Philadelphia

Keep the following information in mind while searching for Irvine to Philadelphia flight deals. Data was last updated August 2, 2025.

Round-trip from

$189
(FlightHub)

One-way from

$90
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$291
From Irvine to Philadelphia
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One-way flight from Irvine to Philadelphia
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Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Irvine to Philadelphia

Cheapest flights from Irvine to Philadelphia
Explore the most affordable flight options available from Irvine to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:44 amLAX - PHL
1 stop10h 36mSpirit Airlines
Tue 8/269:00 amPHL - LAX
1 stop13h 03mSpirit Airlines
Deal found 8/1$189
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:31 pmLAX - PHL
Nonstop5h 24mFrontier
Sat 9/205:37 pmPHL - LAX
Nonstop5h 59mFrontier
Deal found 7/31$191
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/2910:38 amLAX - PHL
1 stop9h 06mMultiple Airlines
Sat 11/15:35 pmPHL - LAX
Nonstop5h 46mMultiple Airlines
Deal found 7/31$210
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:05 pmLAX - PHL
Nonstop5h 13mAmerican Airlines
Wed 9/246:00 amPHL - LAX
Nonstop5h 44mAmerican Airlines
Deal found 8/1$223

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 August 2, 2025.
Use the filters below to find and compare flights from Irvine to Philadelphia that are best for you.

Fly from

Irvine

Fly to

Philadelphia

Route

Depart

Return

Price

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Mon 8/25

9:44 am-11:20 pm

1 stop10h 36m

Philadelphia

Tue 8/26

9:00 am-7:03 pm

1 stop13h 03m

$189

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Thu 9/18

9:31 pm-5:55 am

Nonstop5h 24m

Philadelphia

Sat 9/20

5:37 pm-8:36 pm

Nonstop5h 59m

$191

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 10/29

10:38 am-10:44 pm

1 stop9h 06m

Philadelphia

Sat 11/1

5:35 pm-8:21 pm

Nonstop5h 46m

$210

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 9/10

6:10 am-2:22 pm

Nonstop5h 12m

Philadelphia

Wed 9/17

6:00 am-8:44 am

Nonstop5h 44m

$223

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 8/20

6:45 am-11:59 pm

1 stop14h 14m

$90

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Fri 10/10

10:35 pm-6:58 am

Nonstop5h 23m

$105

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Sun 9/7

11:15 am-11:22 pm

1 stop9h 07m

$111

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Tue 9/2

11:15 pm-9:55 am

1 stop7h 40m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Irvine to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Irvine 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 Irvine to Philadelphia

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Philadelphia. Price data was last updated on July 25, 2025.

The best time to book flights from Irvine to Philadelphia is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Irvine to Philadelphia (average of $236). Flying from Irvine to Philadelphia in March is currently the most expensive (average of $295). 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 IR9 to PHL?

Find hourly flight availability from Irvine 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 August 2, 2025.

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

What is the cheapest day to fly from Irvine to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Philadelphia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Philadelphia flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to Philadelphia

Explore weekly flight availability from Irvine 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 August 2, 2025.

The most flights from IR9 to PHL are scheduled on a Friday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

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 August 2, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and Spirit Airlines from Irvine to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,054 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,241 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Irvine?

    If you book a flight to Philadelphia from Irvine, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 32 flights from Irvine to Philadelphia per day from 7 different airlines.

  • How popular is this Irvine to Philadelphia flight route?

    Within the past month, 111 users have taken a look at flights from Irvine to Philadelphia.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $90. Frontier flights start at $105 while deals on Southwest start at $121 one-way.

  • What are the most reliable airlines from Irvine to Philadelphia?

    Before booking your flight to Philadelphia from Irvine, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (88%), Iberia (88%), Aer Lingus( 85%).

  • What are the cheapest flights from Irvine to Philadelphia?

    The cheapest flight price from Irvine to Philadelphia is $98. On average you can expect to pay $1,327. The most popular route, (Los Angeles - Philadelphia), can usually be booked for $159.

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

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

  • How can I find direct flights from Irvine to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Irvine to Philadelphia (average of $236). Flying from Irvine to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

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Alternative routes for Irvine to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Irvine to Philadelphia

Discover the top 7 airlines that operate flights from Irvine 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$216FlexibilityNo cancel feeOn-time65%
FrontierCheapest$111Average$228FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$135Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$171Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$473FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$244Average$492FlexibilityNo cancel feeOn-time63%

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