$144+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Irvine 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to Philadelphia are usually found in September or July, booked 71 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
Cheap flight deals from Irvine to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to PhiladelphiaExplore 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 May 9, 2026.
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 May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 5/2611:21 pm
LAX
- PHL
2 stops12h 28m
Frontier
Thu 5/288:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Deal found 5/5![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/278:27 pm
LAX
- PHL
2 stops13h 17m
Frontier
Fri 5/295:06 pm
PHL
- LAX
1 stop9h 20m
Frontier
Deal found 5/5![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 8/2512:59 am
LAX
- PHL
Nonstop5h 17m
Frontier
Fri 8/2810:11 am
PHL
- LAX
1 stop11h 16m
Frontier
Deal found 5/4![Frontier logo]()
$306
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Sun 5/245:06 pm
PHL
- LAX
1 stop9h 20m
Frontier
Deal found 5/4![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/96:30 am
LAX
- PHL
1 stop20h 07m
Frontier
Mon 5/188:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Deal found 5/4![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:01 pm
LAX
- PHL
1 stop11h 29m
Frontier
Sun 8/237:50 pm
PHL
- LAX
Nonstop6h 03m
Frontier
Deal found 5/6![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:31 pm
LAX
- PHL
1 stop10h 06m
Frontier
Mon 6/1512:42 pm
PHL
- LAX
1 stop14h 29m
Frontier
Deal found 5/6![Frontier logo]()
$310
This Super.com deal was found by Cheapflights users on 5/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Tue 7/287:27 pm
PHL
- LAX
Nonstop6h 07m
Frontier
Deal found 5/7![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:00 pm
LAX
- PHL
2 stops18h 47m
Frontier
Mon 6/1511:00 am
PHL
- LAX
1 stop25h 25m
Frontier
Deal found 5/6![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/223:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Wed 6/38:35 pm
PHL
- LAX
1 stop22h 01m
Frontier
Deal found 5/8![Frontier logo]()
$313
This Super.com deal was found by Cheapflights users on 5/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Mon 7/135:18 pm
PHL
- LAX
1 stop9h 39m
Frontier
Deal found 5/6![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 5/5. 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.
Wed 7/2212:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Mon 7/278:10 am
PHL
- LAX
1 stop13h 02m
Frontier
Deal found 5/5![Frontier logo]()
$315
Best flights from Irvine to PhiladelphiaDiscover carefully curated flight deals from Irvine to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Irvine to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:30 am
LAX
- PHL
2 stops11h 30m
Southwest
Wed 6/36:20 am
PHL
- LAX
2 stops10h 15m
Southwest
Deal found 5/5![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:05 am
LAX
- PHL
2 stops8h 55m
Southwest
Tue 8/46:25 am
PHL
- LAX
1 stop6h 55m
Southwest
Deal found 5/7![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:05 am
LAX
- PHL
2 stops8h 55m
Southwest
Tue 8/42:45 pm
PHL
- LAX
2 stops9h 25m
Southwest
Deal found 5/6![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:45 am
LAX
- PHL
2 stops9h 05m
Southwest
Wed 11/45:05 am
PHL
- LAX
2 stops10h 40m
Southwest
Deal found 5/8![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:45 am
LAX
- PHL
2 stops8h 15m
Southwest
Sat 8/2212:10 pm
PHL
- LAX
2 stops8h 35m
Southwest
Deal found 5/8![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:45 am
LAX
- PHL
2 stops13h 05m
Southwest
Sat 7/115:00 am
PHL
- LAX
2 stops9h 15m
Southwest
Deal found 5/8![Southwest logo]()
$453
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:05 pm
LAX
- PHL
2 stops8h 40m
Southwest
Tue 6/94:35 pm
PHL
- LAX
2 stops9h 15m
Southwest
Deal found 5/8![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:35 am
LAX
- PHL
2 stops10h 05m
Southwest
Wed 7/14:35 pm
PHL
- LAX
2 stops9h 25m
Southwest
Deal found 5/7![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:30 am
LAX
- PHL
1 stop8h 35m
Southwest
Tue 9/296:00 am
PHL
- LAX
2 stops10h 05m
Southwest
Deal found 5/7![Southwest logo]()
$468
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:45 am
LAX
- PHL
2 stops9h 20m
Southwest
Sun 8/237:20 am
PHL
- LAX
2 stops12h 10m
Southwest
Deal found 5/5![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:05 pm
LAX
- PHL
2 stops8h 35m
Southwest
Sat 8/15:00 am
PHL
- LAX
2 stops10h 05m
Southwest
Deal found 5/4![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:05 am
LAX
- PHL
2 stops8h 55m
Southwest
Thu 7/165:00 am
PHL
- LAX
2 stops12h 10m
Southwest
Deal found 5/4![Southwest logo]()
$478
Last-minute flights from Irvine to PhiladelphiaDiscover last-minute flight deals from Irvine to Philadelphia. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Philadelphia. Data last updated May 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/96:30 am
LAX
- PHL
1 stop20h 07m
Frontier
Mon 5/188:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Deal found 5/4![Frontier logo]()
$308
This Orbitz deal was found by Cheapflights users on 5/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:56 pm
LAX
- PHL
1 stop13h 15m
Frontier
Tue 5/268:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Deal found 5/5![Frontier logo]()
$306
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:30 am
LAX
- PHL
1 stop20h 07m
Frontier
Wed 5/138:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Deal found 5/4![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/133:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Mon 5/188:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Deal found 5/4![Frontier logo]()
$314
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Sun 5/245:06 pm
PHL
- LAX
1 stop9h 20m
Frontier
Deal found 5/4![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 5/223:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Mon 5/258:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Deal found 5/4![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 5/2611:21 pm
LAX
- PHL
2 stops12h 28m
Frontier
Thu 5/288:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Deal found 5/5![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 5/2611:21 pm
LAX
- PHL
2 stops12h 28m
Frontier
Mon 6/110:40 am
PHL
- LAX
1 stop11h 52m
Frontier
Deal found 5/4![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/278:27 pm
LAX
- PHL
2 stops13h 17m
Frontier
Fri 5/295:06 pm
PHL
- LAX
1 stop9h 20m
Frontier
Deal found 5/5![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:31 pm
LAX
- PHL
1 stop10h 06m
Frontier
Mon 6/1512:42 pm
PHL
- LAX
1 stop14h 29m
Frontier
Deal found 5/6![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:00 pm
LAX
- PHL
2 stops18h 47m
Frontier
Sun 6/148:37 pm
PHL
- LAX
1 stop14h 56m
Frontier
Deal found 5/6![Frontier logo]()
$312
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:12 pm
LAX
- PHL
1 stop29h 15m
Frontier
Wed 6/247:00 am
PHL
- LAX
1 stop27h 46m
Frontier
Deal found 5/6![Frontier logo]()
$309
One-way flights from Irvine to PhiladelphiaSearch for one-way flight options from Irvine to Philadelphia. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Irvine to Philadelphia. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:12 pm
LAX
- PHL
1 stop29h 15m
Frontier
Deal found 5/3![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Deal found 5/5![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Deal found 5/6![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:59 am
LAX
- PHL
Nonstop5h 22m
Frontier
Deal found 5/6![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:56 pm
LAX
- PHL
1 stop29h 42m
Frontier
Deal found 5/6![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Deal found 5/5![Frontier logo]()
$149
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Deal found 5/8![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 5/4. 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.
Wed 5/203:28 pm
LAX
- PHL
1 stop12h 40m
Frontier
Deal found 5/4![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
LAX
- PHL
2 stops23h 21m
Frontier
Deal found 5/6![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:31 pm
LAX
- PHL
1 stop10h 06m
Frontier
Deal found 5/5![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 5/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:31 pm
LAX
- PHL
1 stop10h 06m
Frontier
Deal found 5/6![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 5/5. 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.
Tue 6/24:31 pm
LAX
- PHL
1 stop10h 06m
Frontier
Deal found 5/5![Frontier logo]()
$155
Find flight deals from Irvine to Philadelphia
Keep the following information in mind while searching for Irvine to Philadelphia flight deals. Data was last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $304 (Kiwi.com) |
One-way from | $144 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $473 |
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 May 9, 2026.
Use the filters below to find and compare flights from Irvine to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 5/27
7:30 am-10:00 pm
2 stops11h 30m
Philadelphia
Wed 6/3
6:20 am-1:35 pm
2 stops10h 15m
$437
Quickest round-trip
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Tue 7/28
5:05 am-5:00 pm
2 stops8h 55m
Philadelphia
Tue 8/4
6:25 am-10:20 am
1 stop6h 55m
$438
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 7/29
5:05 am-5:00 pm
2 stops8h 55m
Philadelphia
Tue 8/4
2:45 pm-9:10 pm
2 stops9h 25m
$443
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 10/28
5:45 am-5:50 pm
2 stops9h 05m
Philadelphia
Wed 11/4
5:05 am-12:45 pm
2 stops10h 40m
$443
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Tue 8/18
6:45 am-6:00 pm
2 stops8h 15m
Philadelphia
Sat 8/22
12:10 pm-5:45 pm
2 stops8h 35m
$447
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 7/1
6:45 am-10:50 pm
2 stops13h 05m
Philadelphia
Sat 7/11
5:00 am-11:15 am
2 stops9h 15m
$453
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Thu 6/4
1:05 pm-12:45 am
2 stops8h 40m
Philadelphia
Tue 6/9
4:35 pm-10:50 pm
2 stops9h 15m
$458
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 6/24
5:35 am-6:40 pm
2 stops10h 05m
Philadelphia
Wed 7/1
4:35 pm-11:00 pm
2 stops9h 25m
$467
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Sun 9/27
5:30 am-5:05 pm
1 stop8h 35m
Philadelphia
Tue 9/29
6:00 am-1:05 pm
2 stops10h 05m
$468
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Thu 8/20
8:45 am-9:05 pm
2 stops9h 20m
Philadelphia
Sun 8/23
7:20 am-4:30 pm
2 stops12h 10m
$475
Showing 1-10 of 23 resultsSorted by cheapest first
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.
LAX-PHL
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
IR9-PHL
LAX-PHL
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 May 9, 2026.
A simple way to save on the total cost of your ticket is to fly from Irvine to Philadelphia at noon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.
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 May 2, 2026.
Travelers seeking maximum savings on their Irvine to Philadelphia flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons 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 May 9, 2026.
The most flights from IR9 to PHL are scheduled on a Friday (24 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Irvine to Philadelphia?
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 May 9, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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.
Complete your trip
Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Philadelphia by cabin class
Find flights from Irvine to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Philadelphia flights
Browse other Irvine and Philadelphia flight options. Last updated on May 9, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Irvine to Philadelphia flights
Consider these flights traveling from Irvine to Philadelphia.
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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$224 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$218 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$218 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$493 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$390 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$559 | FlexibilityNo cancel fee | On-time69% |