$123+ Cheap flights from Philadelphia (PHL) to Riverside, CA
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
May 21 — May 281
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Riverside 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 Philadelphia to Riverside are usually found in July or June, booked 63 days in advance, depart on a Thursday or Wednesday and return on a Saturday
Cheap flight deals from Philadelphia to Riverside
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to RiversideExplore the most affordable flight options available from Philadelphia to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from Philadelphia to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This Travelocity deal was found by Cheapflights users on 4/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:00 am
PHL
- LAX
1 stop27h 18m
Frontier
Mon 5/49:04 pm
LAX
- PHL
1 stop18h 36m
Frontier
Deal found 4/21![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/1911:35 am
PHL
- LAX
1 stop14h 52m
Frontier
Wed 6/2411:00 pm
LAX
- PHL
1 stop9h 36m
Frontier
Deal found 4/21![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/47:24 pm
PHL
- LAX
2 stops24h 48m
Frontier
Mon 5/118:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Deal found 4/21![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/138:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Wed 5/209:40 am
LAX
- PHL
2 stops41h 41m
Frontier
Deal found 4/21![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 4/21. 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 5/148:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Sat 5/163:28 pm
LAX
- PHL
1 stop12h 44m
Frontier
Deal found 4/21![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 4/21. 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 6/67:50 pm
PHL
- LAX
Nonstop5h 57m
Frontier
Wed 6/2411:00 pm
LAX
- PHL
1 stop9h 36m
Frontier
Deal found 4/21![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/1911:35 am
PHL
- LAX
1 stop14h 52m
Frontier
Thu 6/252:54 pm
LAX
- PHL
1 stop11h 44m
Frontier
Deal found 4/21![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/185:06 pm
PHL
- LAX
1 stop9h 30m
Frontier
Wed 5/209:40 am
LAX
- PHL
2 stops41h 41m
Frontier
Deal found 4/21![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 4/19. 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 6/1011:35 am
PHL
- LAX
1 stop14h 52m
Frontier
Fri 6/1912:59 am
LAX
- PHL
Nonstop5h 17m
Frontier
Deal found 4/19![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 4/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:43 am
PHL
- LAX
1 stop13h 24m
Frontier
Sat 5/21:52 pm
LAX
- PHL
1 stop8h 02m
Frontier
Deal found 4/18![Frontier logo]()
$286
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 5/75:13 pm
PHL
- LAX
1 stop9h 23m
Frontier
Thu 5/148:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Deal found 4/20![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/1911:35 am
PHL
- LAX
1 stop14h 52m
Frontier
Mon 6/2212:59 am
LAX
- PHL
Nonstop5h 17m
Frontier
Deal found 4/21![Frontier logo]()
$288
Best flights from Philadelphia to RiversideDiscover carefully curated flight deals from Philadelphia to Riverside that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from Philadelphia to Riverside that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This JetBlue deal was found by Cheapflights users on 4/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
PHL
- LAX
1 stop8h 56m
JetBlue
Mon 9/148:25 pm
LAX
- PHL
1 stop10h 25m
JetBlue
Deal found 4/17![JetBlue logo]()
$411
This Southwest deal was found by Cheapflights users on 4/20. 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 5/305:35 am
PHL
- LAX
2 stops9h 35m
Southwest
Sat 6/138:30 pm
LAX
- PHL
2 stops11h 20m
Southwest
Deal found 4/20![Southwest logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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 8/257:00 am
PHL
- LAX
2 stops15h 04m
Alaska Airlines
Wed 9/25:50 pm
LAX
- PHL
1 stop8h 50m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 4/21. 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 8/53:00 pm
PHL
- LAX
2 stops9h 20m
Southwest
Tue 8/119:00 am
LAX
- PHL
2 stops8h 55m
Southwest
Deal found 4/21![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 4/20. 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 7/74:35 pm
PHL
- LAX
2 stops9h 25m
Southwest
Tue 7/146:45 am
LAX
- PHL
2 stops8h 55m
Southwest
Deal found 4/20![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 4/16. 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.
Wed 7/14:35 pm
PHL
- LAX
2 stops9h 15m
Southwest
Wed 7/85:35 am
LAX
- PHL
2 stops10h 05m
Southwest
Deal found 4/16![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 4/16. 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.
Wed 9/912:35 pm
PHL
- LAX
1 stop9h 10m
Southwest
Thu 9/108:45 am
LAX
- PHL
2 stops9h 20m
Southwest
Deal found 4/16![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 4/16. 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.
Wed 9/97:55 am
PHL
- LAX
1 stop7h 40m
Southwest
Fri 9/118:45 am
LAX
- PHL
2 stops9h 20m
Southwest
Deal found 4/16![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 4/20. 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 7/215:15 am
PHL
- LAX
2 stops9h 45m
Southwest
Thu 7/301:05 pm
LAX
- PHL
2 stops8h 35m
Southwest
Deal found 4/20![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sun 8/95:00 am
PHL
- LAX
2 stops9h 45m
Southwest
Wed 8/199:45 am
LAX
- PHL
2 stops8h 10m
Southwest
Deal found 4/17![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 4/21. 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 6/245:15 am
PHL
- LAX
2 stops9h 45m
Southwest
Thu 6/251:05 pm
LAX
- PHL
2 stops8h 35m
Southwest
Deal found 4/21![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 4/18. 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.
Fri 7/34:45 pm
PHL
- LAX
2 stops9h 55m
Southwest
Sun 7/1212:55 pm
LAX
- PHL
2 stops9h 35m
Southwest
Deal found 4/18![Southwest logo]()
$508
Last-minute flights from Philadelphia to RiversideDiscover last-minute flight deals from Philadelphia to Riverside. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Riverside. Data last updated April 21, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:43 am
PHL
- LAX
1 stop13h 24m
Frontier
Sat 5/21:52 pm
LAX
- PHL
1 stop8h 02m
Frontier
Deal found 4/18![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/18:41 pm
PHL
- LAX
1 stop17h 48m
Frontier
Mon 5/411:36 pm
LAX
- PHL
2 stops30h 23m
Frontier
Deal found 4/19![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/68:35 pm
PHL
- LAX
1 stop30h 41m
Multiple Airlines
Fri 5/811:59 pm
LAX
- PHL
2 stops20h 59m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$288
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 5/75:13 pm
PHL
- LAX
1 stop9h 23m
Frontier
Thu 5/148:59 pm
LAX
- PHL
1 stop29h 38m
Frontier
Deal found 4/20![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/85:06 pm
PHL
- LAX
1 stop9h 30m
Multiple Airlines
Sat 5/1612:02 pm
LAX
- PHL
2 stops14h 35m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/1312:17 pm
PHL
- LAX
2 stops11h 53m
Frontier
Tue 5/196:56 pm
LAX
- PHL
1 stop13h 15m
Frontier
Deal found 4/16![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/145:13 pm
PHL
- LAX
1 stop9h 23m
Frontier
Tue 5/195:45 am
LAX
- PHL
2 stops15h 03m
Frontier
Deal found 4/16![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/145:13 pm
PHL
- LAX
1 stop9h 23m
Frontier
Wed 5/209:40 am
LAX
- PHL
1 stop16h 57m
Frontier
Deal found 4/20![Frontier logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/188:35 pm
PHL
- LAX
1 stop30h 41m
Multiple Airlines
Mon 5/2511:21 pm
LAX
- PHL
1 stop11h 31m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$296
This Frontier deal was found by Cheapflights users on 4/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:17 pm
PHL
- LAX
1 stop11h 49m
Frontier
Tue 6/912:59 am
LAX
- PHL
Nonstop5h 17m
Frontier
Deal found 4/18![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 4/16. 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.
Sun 5/245:06 pm
PHL
- LAX
1 stop9h 20m
Frontier
Sun 5/3111:21 pm
LAX
- PHL
1 stop9h 18m
Frontier
Deal found 4/16![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/268:35 pm
PHL
- LAX
1 stop15h 20m
Frontier
Sun 6/1412:59 am
LAX
- PHL
Nonstop5h 17m
Frontier
Deal found 4/20![Frontier logo]()
$292
One-way flights from Philadelphia to RiversideSearch for one-way flight options from Philadelphia to Riverside. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from Philadelphia to Riverside. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:32 pm
PHL
- LAX
2 stops22h 31m
Frontier
Deal found 4/17![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 4/20. 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.
Mon 5/115:06 pm
PHL
- LAX
1 stop9h 30m
Frontier
Deal found 4/20![Frontier logo]()
$124
This eDestinos deal was found by Cheapflights users on 4/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:35 pm
PHL
- LAX
2 stops46h 22m
Frontier
Deal found 4/17![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/219:12 pm
PHL
- LAX
2 stops49h 20m
Frontier
Deal found 4/16![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/185:06 pm
PHL
- LAX
2 stops34h 10m
Frontier
Deal found 4/19![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 4/16. 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.
Mon 4/273:27 pm
PHL
- LAX
1 stop11h 57m
Frontier
Deal found 4/16![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/78:30 am
PHL
- LAX
2 stops18h 46m
Frontier
Deal found 4/20![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 4/17. 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.
Sun 5/178:35 pm
PHL
- LAX
1 stop15h 00m
Frontier
Deal found 4/17![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:12 pm
PHL
- LAX
2 stops52h 23m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$134
Find flight deals from Philadelphia to Riverside
Keep the following information in mind while searching for Philadelphia to Riverside flight deals. Data was last updated April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Kiwi.com) |
One-way from | $123 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $473 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Riverside 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 April 21, 2026.
Use the filters below to find and compare flights from Philadelphia to Riverside that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Thu 9/10
6:00 am-11:56 am
1 stop8h 56m
Los Angeles
Mon 9/14
8:25 pm-9:50 am
1 stop10h 25m
$411
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 5/30
5:35 am-12:10 pm
2 stops9h 35m
Los Angeles
Sat 6/13
8:30 pm-10:50 am
2 stops11h 20m
$423
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 8/5
3:00 pm-9:20 pm
2 stops9h 20m
Los Angeles
Tue 8/11
9:00 am-8:55 pm
2 stops8h 55m
$469
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Tue 7/7
4:35 pm-11:00 pm
2 stops9h 25m
Los Angeles
Tue 7/14
6:45 am-6:40 pm
2 stops8h 55m
$469
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 7/1
4:35 pm-10:50 pm
2 stops9h 15m
Los Angeles
Wed 7/8
5:35 am-6:40 pm
2 stops10h 05m
$469
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 9/9
12:35 pm-6:45 pm
1 stop9h 10m
Los Angeles
Thu 9/10
8:45 am-9:05 pm
2 stops9h 20m
$471
Quickest round-trip
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 9/9
7:55 am-12:35 pm
1 stop7h 40m
Los Angeles
Fri 9/11
8:45 am-9:05 pm
2 stops9h 20m
$471
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Tue 7/21
5:15 am-12:00 pm
2 stops9h 45m
Los Angeles
Thu 7/30
1:05 pm-12:40 am
2 stops8h 35m
$476
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sun 8/9
5:00 am-11:45 am
2 stops9h 45m
Los Angeles
Wed 8/19
9:45 am-8:55 pm
2 stops8h 10m
$476
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 6/24
5:15 am-12:00 pm
2 stops9h 45m
Los Angeles
Thu 6/25
1:05 pm-12:40 am
2 stops8h 35m
$476
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Riverside
Have a flexible travel schedule? Discover the best time to fly to Riverside from Philadelphia with our price prediction graph.
PHL-LAX
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 Philadelphia to Riverside
PHL-R1V
PHL-LAX
How far ahead should I book a flight from Philadelphia to Riverside?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Riverside. Price data was last updated on April 17, 2026.
The price you pay for your flight from Philadelphia to Riverside may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest time of day to fly from PHL to R1V?
Find hourly flight availability from Philadelphia to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 21, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Philadelphia to Riverside by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Philadelphia to Riverside?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Riverside. Price data was last updated on April 18, 2026.
Travelers seeking maximum savings on their Philadelphia to Riverside flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Philadelphia to Riverside
Explore weekly flight availability from Philadelphia to Riverside. 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 April 21, 2026.
The most flights from PHL to R1V are scheduled on a Monday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Philadelphia to Riverside?
Reviews of airlines servicing Riverside
Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated April 21, 2026.
Read reviews from past customers who have flown Southwest,JetBlue, andAmerican Airlines from Philadelphia to Riverside. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Riverside. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Philadelphia to Riverside
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Riverside by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Riverside by cabin class
Find flights from Philadelphia to Riverside, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Riverside flights
Browse other Philadelphia and Riverside flight options. Last updated on April 21, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on April 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Riverside flights
Consider these flights traveling from Philadelphia to Riverside.
Top 8 airlines flying from Philadelphia to Riverside
Discover the top 8 airlines that operate flights from Philadelphia to Riverside. 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 April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$239 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$119 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$474 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$208 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$268 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$224 | Average$460 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$455 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$459 | FlexibilityNo cancel fee | On-time62% |