$128+ Cheap flights from Riverside, 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Find cheap flights from Riverside 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 Riverside to Philadelphia are usually found in July or August, booked 52 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
Cheap flight deals from Riverside to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Riverside to PhiladelphiaExplore the most affordable flight options available from Riverside to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
Explore the most affordable flight options available from Riverside to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
This Frontier deal was found by Cheapflights users on 3/15. 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 44m
Frontier
Tue 5/267:50 pm
PHL
- LAX
Nonstop5h 57m
Frontier
Deal found 3/15![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 3/16. 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
Tue 6/96:00 am
PHL
- LAX
1 stop8h 24m
Frontier
Deal found 3/16![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/171:52 pm
LAX
- PHL
1 stop8h 02m
Multiple Airlines
Sun 4/195:45 am
PHL
- LAX
2 stops21h 08m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/236:30 am
LAX
- PHL
1 stop20h 07m
Frontier
Sat 6/138:01 pm
PHL
- LAX
1 stop23h 42m
Frontier
Deal found 3/14![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 3/318:57 pm
LAX
- PHL
1 stop29h 34m
Frontier
Sun 4/53:32 pm
PHL
- LAX
2 stops18h 49m
Frontier
Deal found 3/14![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 3/15. 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 5/2712:49 am
LAX
- PHL
Nonstop5h 21m
Frontier
Sat 5/307:50 pm
PHL
- LAX
Nonstop5h 57m
Frontier
Deal found 3/15![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 3/14. 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.
Sat 4/251:52 pm
LAX
- PHL
1 stop8h 02m
Frontier
Sun 4/268:36 pm
PHL
- LAX
1 stop14h 05m
Frontier
Deal found 3/14![Frontier logo]()
$316
This CheapOair deal was found by Cheapflights users on 3/15. 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.
Sat 5/96:18 pm
LAX
- PHL
2 stops15h 57m
Multiple Airlines
Fri 5/158:35 pm
PHL
- LAX
1 stop30h 41m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:30 pm
LAX
- PHL
1 stop15h 36m
Alaska Airlines
Tue 9/295:15 pm
PHL
- LAX
1 stop9h 44m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/11:39 pm
LAX
- PHL
2 stops12h 52m
Frontier
Sun 4/510:19 am
PHL
- LAX
1 stop15h 11m
Frontier
Deal found 3/15![Frontier logo]()
$319
This Expedia deal was found by Cheapflights users on 3/15. 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.
Sat 4/185:11 pm
LAX
- PHL
1 stop9h 02m
Frontier
Thu 6/186:50 am
PHL
- LAX
1 stop19h 01m
Frontier
Deal found 3/15![Frontier logo]()
$320
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
LAX
- PHL
3 stops25h 19m
Spirit Airlines
Tue 5/56:12 pm
PHL
- LAX
3 stops32h 41m
Spirit Airlines
Deal found 3/14![Spirit Airlines logo]()
$321
Best flights from Riverside to PhiladelphiaDiscover carefully curated flight deals from Riverside to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
Discover carefully curated flight deals from Riverside to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:46 pm
LAX
- PHL
1 stop14h 19m
Alaska Airlines
Wed 4/297:22 am
PHL
- LAX
2 stops15h 06m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 3/18. 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 4/222:05 pm
LAX
- PHL
1 stop6h 50m
Southwest
Tue 4/286:20 am
PHL
- LAX
2 stops9h 40m
Southwest
Deal found 3/18![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 3/18. 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 5/2811:10 am
LAX
- PHL
2 stops8h 35m
Southwest
Tue 6/95:15 am
PHL
- LAX
2 stops9h 45m
Southwest
Deal found 3/18![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 3/18. 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 4/219:35 am
LAX
- PHL
2 stops10h 05m
Southwest
Thu 4/235:40 am
PHL
- LAX
2 stops9h 55m
Southwest
Deal found 3/18![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 3/17. 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 4/3010:40 am
LAX
- PHL
2 stops8h 05m
Southwest
Mon 5/45:40 am
PHL
- LAX
2 stops9h 55m
Southwest
Deal found 3/17![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 5/166:00 am
LAX
- PHL
2 stops9h 35m
Southwest
Wed 5/206:20 am
PHL
- LAX
2 stops10h 15m
Southwest
Deal found 3/16![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 3/17. 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 5/66:35 am
LAX
- PHL
2 stops8h 15m
Southwest
Sun 5/106:20 am
PHL
- LAX
2 stops9h 00m
Southwest
Deal found 3/17![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 3/14. 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.
Fri 5/2910:40 am
LAX
- PHL
2 stops8h 05m
Southwest
Mon 6/86:30 pm
PHL
- LAX
1 stop8h 35m
Southwest
Deal found 3/14![Southwest logo]()
$479
This Southwest deal was found by Cheapflights users on 3/17. 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 6/171:15 pm
LAX
- PHL
1 stop8h 45m
Southwest
Mon 6/229:00 am
PHL
- LAX
2 stops10h 20m
Southwest
Deal found 3/17![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 3/17. 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.
Fri 5/225:00 am
LAX
- PHL
1 stop8h 45m
Southwest
Sat 5/235:35 am
PHL
- LAX
2 stops11h 25m
Southwest
Deal found 3/17![Southwest logo]()
$509
This Southwest deal was found by Cheapflights users on 3/14. 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 6/711:55 pm
LAX
- PHL
1 stop7h 40m
Southwest
Thu 6/184:45 pm
PHL
- LAX
2 stops9h 55m
Southwest
Deal found 3/14![Southwest logo]()
$516
Last-minute flights from Riverside to PhiladelphiaDiscover last-minute flight deals from Riverside to Philadelphia. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Riverside to Philadelphia. Data last updated March 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 3/2510:07 pm
LAX
- PHL
1 stop9h 52m
Frontier
Tue 4/78:25 pm
PHL
- LAX
1 stop17h 25m
Frontier
Deal found 3/14![Frontier logo]()
$324
This Expedia deal was found by Cheapflights users on 3/16. 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.
Mon 3/3010:43 pm
LAX
- PHL
1 stop9h 58m
Frontier
Tue 4/78:25 pm
PHL
- LAX
1 stop17h 25m
Frontier
Deal found 3/16![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 3/318:57 pm
LAX
- PHL
1 stop29h 34m
Frontier
Sun 4/53:32 pm
PHL
- LAX
2 stops18h 49m
Frontier
Deal found 3/14![Frontier logo]()
$314
This Orbitz deal was found by Cheapflights users on 3/15. 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 3/318:57 pm
LAX
- PHL
1 stop29h 34m
Multiple Airlines
Thu 4/95:03 pm
PHL
- LAX
1 stop9h 50m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/11:39 pm
LAX
- PHL
2 stops12h 52m
Frontier
Sun 4/58:25 pm
PHL
- LAX
1 stop30h 47m
Frontier
Deal found 3/15![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/86:15 am
LAX
- PHL
1 stop20h 16m
Multiple Airlines
Sat 4/116:25 am
PHL
- LAX
2 stops20h 31m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/911:50 am
LAX
- PHL
1 stop8h 54m
Multiple Airlines
Sun 4/129:38 pm
PHL
- LAX
2 stops38h 28m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/1311:50 am
LAX
- PHL
1 stop10h 12m
Frontier
Thu 4/168:41 pm
PHL
- LAX
1 stop14h 00m
Frontier
Deal found 3/16![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/171:52 pm
LAX
- PHL
1 stop8h 02m
Multiple Airlines
Sun 4/195:45 am
PHL
- LAX
2 stops21h 08m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$312
This Expedia deal was found by Cheapflights users on 3/15. 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.
Sat 4/185:11 pm
LAX
- PHL
1 stop9h 02m
Frontier
Thu 6/186:50 am
PHL
- LAX
1 stop19h 01m
Frontier
Deal found 3/15![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 3/14. 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.
Sat 4/251:52 pm
LAX
- PHL
1 stop8h 02m
Frontier
Sun 4/268:36 pm
PHL
- LAX
1 stop14h 05m
Frontier
Deal found 3/14![Frontier logo]()
$316
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
LAX
- PHL
3 stops25h 19m
Spirit Airlines
Tue 5/56:12 pm
PHL
- LAX
3 stops32h 41m
Spirit Airlines
Deal found 3/14![Spirit Airlines logo]()
$321
One-way flights from Riverside to PhiladelphiaSearch for one-way flight options from Riverside to Philadelphia. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
Search for one-way flight options from Riverside to Philadelphia. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/269:46 am
LAX
- PHL
1 stop26h 30m
Frontier
Deal found 3/14![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 3/16. 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 4/96:15 am
LAX
- PHL
1 stop20h 16m
Frontier
Deal found 3/16![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 3/17. 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 44m
Frontier
Deal found 3/17![Frontier logo]()
$131
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:30 am
LAX
- PHL
2 stops15h 07m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$133
This Super.com deal was found by Cheapflights users on 3/18. 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 4/16:40 am
LAX
- PHL
1 stop19h 51m
Frontier
Deal found 3/18![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/285:30 am
LAX
- PHL
2 stops15h 07m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/76:15 am
LAX
- PHL
1 stop20h 16m
Frontier
Deal found 3/16![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 6/48:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Deal found 3/14![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/2512:24 pm
LAX
- PHL
2 stops13h 49m
Frontier
Deal found 3/15![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/2111:00 pm
LAX
- PHL
2 stops14h 34m
Frontier
Deal found 3/18![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 3/15. 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.
Fri 6/58:27 pm
LAX
- PHL
1 stop7h 03m
Frontier
Deal found 3/15![Frontier logo]()
$143
Find flight deals from Riverside to Philadelphia
Keep the following information in mind while searching for Riverside to Philadelphia flight deals. Data was last updated March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Frontier) |
One-way from | $128 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $515 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside 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 19, 2026.
Use the filters below to find and compare flights from Riverside to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Tue 4/21
12:46 pm-6:05 am
1 stop14h 19m
Philadelphia
Wed 4/29
7:22 am-7:28 pm
2 stops15h 06m
$404
Quickest round-trip
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Wed 4/22
2:05 pm-11:55 pm
1 stop6h 50m
Philadelphia
Tue 4/28
6:20 am-1:00 pm
2 stops9h 40m
$426
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Thu 5/28
11:10 am-10:45 pm
2 stops8h 35m
Philadelphia
Tue 6/9
5:15 am-12:00 pm
2 stops9h 45m
$439
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Tue 4/21
9:35 am-10:40 pm
2 stops10h 05m
Philadelphia
Thu 4/23
5:40 am-12:35 pm
2 stops9h 55m
$439
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Thu 4/30
10:40 am-9:45 pm
2 stops8h 05m
Philadelphia
Mon 5/4
5:40 am-12:35 pm
2 stops9h 55m
$447
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Sat 5/16
6:00 am-6:35 pm
2 stops9h 35m
Philadelphia
Wed 5/20
6:20 am-1:35 pm
2 stops10h 15m
$469
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Wed 5/6
6:35 am-5:50 pm
2 stops8h 15m
Philadelphia
Sun 5/10
6:20 am-12:20 pm
2 stops9h 00m
$476
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Fri 5/29
10:40 am-9:45 pm
2 stops8h 05m
Philadelphia
Mon 6/8
6:30 pm-12:05 am
1 stop8h 35m
$479
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Wed 6/17
1:15 pm-1:00 am
1 stop8h 45m
Philadelphia
Mon 6/22
9:00 am-4:20 pm
2 stops10h 20m
$503
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles Los Angeles
Fri 5/22
5:00 am-4:45 pm
1 stop8h 45m
Philadelphia
Sat 5/23
5:35 am-2:00 pm
2 stops11h 25m
$509
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Riverside to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Riverside 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 Riverside to Philadelphia
R1V-PHL
LAX-PHL
How far ahead should I book a flight from Riverside to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Philadelphia. Price data was last updated on March 13, 2026.
The price you pay for your flight from Riverside to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Riverside to Philadelphia?
Currently, June is the cheapest month in which you can book a flight from Riverside to Philadelphia (average of $78). Flying from Riverside to Philadelphia in March is currently the most expensive (average of $168). 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 R1V to PHL?
Find hourly flight availability from Riverside 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 19, 2026.
A simple way to save on the total cost of your ticket is to fly from Riverside to Philadelphia in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Riverside to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Philadelphia. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Riverside 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 Riverside to Philadelphia
Explore weekly flight availability from Riverside 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 March 19, 2026.
The most flights from R1V to PHL are scheduled on a Monday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (12 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 March 19, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Riverside to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
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 Riverside 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
Reading
Camden
King of Prussia
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Riverside 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 Riverside to Philadelphia by cabin class
Find flights from Riverside to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Riverside and Philadelphia flights
Browse other Riverside and Philadelphia flight options. Last updated on March 19, 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 March 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Riverside to Philadelphia flights
Consider these flights traveling from Riverside to Philadelphia.
Top 7 airlines flying from Riverside to Philadelphia
Discover the top 7 airlines that operate flights from Riverside 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$219 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$114 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$490 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$388 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$532 | FlexibilityNo cancel fee | On-time69% |