$169+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
Aug 8 — Aug 151
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 September or October, booked 63 days in advance, depart on a Wednesday or Saturday 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 July 9, 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 July 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/58:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Sat 8/87:07 pm
LAX
- PHL
2 stops31h 32m
Frontier
Deal found 7/6![Frontier logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 7/318:37 pm
PHL
- LAX
2 stops26h 26m
Frontier
Mon 8/311:34 pm
LAX
- PHL
1 stop9h 48m
Frontier
Deal found 7/4![Frontier logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Sun 8/28:37 pm
PHL
- LAX
2 stops27h 43m
Frontier
Thu 8/65:35 pm
LAX
- PHL
1 stop9h 04m
Frontier
Deal found 7/4![Frontier logo]()
$405
This CheapOair deal was found by Cheapflights users on 7/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:43 pm
PHL
- LAX
1 stop9h 05m
Multiple Airlines
Sat 11/710:20 pm
LAX
- PHL
1 stop8h 19m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sun 8/28:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Tue 8/1811:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/5![Frontier logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/128:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Sun 8/165:35 pm
LAX
- PHL
1 stop9h 04m
Frontier
Deal found 7/6![Frontier logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/48:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Thu 8/611:34 pm
LAX
- PHL
1 stop30h 05m
Frontier
Deal found 7/6![Frontier logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/118:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Mon 8/1711:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/6![Frontier logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Thu 8/611:06 am
PHL
- LAX
2 stops13h 48m
Frontier
Sat 8/811:34 pm
LAX
- PHL
1 stop28h 41m
Frontier
Deal found 7/6![Frontier logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sat 8/19:51 am
PHL
- LAX
1 stop10h 03m
Frontier
Tue 8/1811:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/5![Frontier logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:16 pm
PHL
- LAX
1 stop23h 41m
Frontier
Sat 9/54:15 pm
LAX
- PHL
2 stops10h 24m
Frontier
Deal found 7/7![Frontier logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:40 pm
PHL
- LAX
2 stops32h 14m
Frontier
Fri 8/1411:34 pm
LAX
- PHL
1 stop9h 48m
Frontier
Deal found 7/7![Frontier logo]()
$414
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 July 9, 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 July 9, 2026.
This JetBlue deal was found by Cheapflights users on 7/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
PHL
- LAX
1 stop8h 56m
JetBlue
Sat 9/266:10 am
LAX
- PHL
1 stop8h 54m
JetBlue
Deal found 7/7![JetBlue logo]()
$437
This Southwest deal was found by Cheapflights users on 7/4. 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 8/183:05 pm
PHL
- LAX
2 stops9h 05m
Southwest
Sat 8/225:20 am
LAX
- PHL
2 stops10h 00m
Southwest
Deal found 7/4![Southwest logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
PHL
- LAX
1 stop11h 57m
Alaska Airlines
Mon 9/218:20 am
LAX
- PHL
2 stops18h 20m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 7/4. 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.
Sat 9/266:30 am
PHL
- LAX
2 stops10h 30m
Southwest
Sat 10/178:05 am
LAX
- PHL
2 stops8h 55m
Southwest
Deal found 7/4![Southwest logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am
PHL
- LAX
2 stops14h 33m
Alaska Airlines
Sat 10/1711:31 am
LAX
- PHL
1 stop15h 09m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 7/4. 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.
Wed 8/57:55 am
PHL
- LAX
2 stops9h 55m
Southwest
Wed 8/129:45 am
LAX
- PHL
2 stops8h 10m
Southwest
Deal found 7/4![Southwest logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:48 pm
PHL
- LAX
1 stop9h 00m
Alaska Airlines
Mon 8/316:14 pm
LAX
- PHL
2 stops18h 31m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 7/8. 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 8/43:00 pm
PHL
- LAX
2 stops9h 20m
Southwest
Tue 8/116:45 am
LAX
- PHL
2 stops8h 15m
Southwest
Deal found 7/8![Southwest logo]()
$495
This Southwest deal was found by Cheapflights users on 7/8. 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.
Fri 8/145:55 am
PHL
- LAX
2 stops9h 55m
Southwest
Sun 8/1611:30 am
LAX
- PHL
2 stops9h 40m
Southwest
Deal found 7/8![Southwest logo]()
$511
This Southwest deal was found by Cheapflights users on 7/8. 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 9/163:05 pm
PHL
- LAX
2 stops9h 15m
Southwest
Sun 9/2011:30 am
LAX
- PHL
2 stops9h 40m
Southwest
Deal found 7/8![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 7/4. 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.
Sat 8/86:30 am
PHL
- LAX
2 stops10h 30m
Southwest
Sat 8/1510:10 am
LAX
- PHL
2 stops9h 40m
Southwest
Deal found 7/4![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 7/7. 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.
Thu 8/65:55 am
PHL
- LAX
2 stops9h 55m
Southwest
Mon 8/1011:20 am
LAX
- PHL
2 stops9h 25m
Southwest
Deal found 7/7![Southwest logo]()
$561
Last-minute flights from Philadelphia to RiversideDiscover last-minute flight deals from Philadelphia to Riverside. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Riverside. Data last updated July 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:16 pm
PHL
- LAX
1 stop23h 41m
Frontier
Sat 9/54:15 pm
LAX
- PHL
2 stops10h 24m
Frontier
Deal found 7/7![Frontier logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 7/318:37 pm
PHL
- LAX
2 stops26h 26m
Frontier
Mon 8/311:34 pm
LAX
- PHL
1 stop9h 48m
Frontier
Deal found 7/4![Frontier logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sat 8/19:51 am
PHL
- LAX
1 stop10h 03m
Frontier
Tue 8/1811:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/5![Frontier logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Sun 8/28:37 pm
PHL
- LAX
2 stops27h 43m
Frontier
Thu 8/65:35 pm
LAX
- PHL
1 stop9h 04m
Frontier
Deal found 7/4![Frontier logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sun 8/28:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Tue 8/1811:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/5![Frontier logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/48:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Thu 8/611:34 pm
LAX
- PHL
1 stop30h 05m
Frontier
Deal found 7/6![Frontier logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/58:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Sat 8/87:07 pm
LAX
- PHL
2 stops31h 32m
Frontier
Deal found 7/6![Frontier logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Thu 8/611:06 am
PHL
- LAX
2 stops13h 48m
Frontier
Sat 8/811:34 pm
LAX
- PHL
1 stop28h 41m
Frontier
Deal found 7/6![Frontier logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:40 pm
PHL
- LAX
2 stops32h 14m
Frontier
Fri 8/1411:34 pm
LAX
- PHL
1 stop9h 48m
Frontier
Deal found 7/7![Frontier logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/118:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Mon 8/1711:34 pm
LAX
- PHL
1 stop9h 52m
Frontier
Deal found 7/6![Frontier logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/128:30 am
PHL
- LAX
1 stop11h 24m
Frontier
Sun 8/165:35 pm
LAX
- PHL
1 stop9h 04m
Frontier
Deal found 7/6![Frontier logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sun 8/168:37 pm
PHL
- LAX
2 stops27h 43m
Frontier
Fri 8/2111:34 pm
LAX
- PHL
1 stop19h 59m
Frontier
Deal found 7/5![Frontier logo]()
$406
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 July 9, 2026.
Search for one-way flight options from Philadelphia to Riverside. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Sun 8/97:47 pm
PHL
- LAX
2 stops40h 43m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/44:30 pm
PHL
- LAX
2 stops34h 41m
Frontier
Deal found 7/4![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/264:45 pm
PHL
- LAX
2 stops18h 45m
Frontier
Deal found 7/4![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:30 pm
PHL
- LAX
2 stops29h 06m
Frontier
Deal found 7/7![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:37 pm
PHL
- LAX
2 stops52h 22m
Frontier
Deal found 7/7![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Mon 8/174:40 pm
PHL
- LAX
1 stop27h 14m
Frontier
Deal found 7/6![Frontier logo]()
$175
This Southwest deal was found by Cheapflights users on 7/7. 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.
Thu 8/202:05 pm
PHL
- LAX
1 stop9h 10m
Southwest
Deal found 7/7![Southwest logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Sun 7/269:03 pm
PHL
- LAX
2 stops39h 22m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$177
This Trip.com deal was found by Cheapflights users on 7/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:10 am
PHL
- LAX
1 stop13h 32m
Frontier
Deal found 7/6![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Mon 8/38:37 pm
PHL
- LAX
2 stops28h 22m
Frontier
Deal found 7/4![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Mon 8/107:55 am
PHL
- LAX
2 stops36h 35m
Frontier
Deal found 7/5![Frontier logo]()
$181
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $403 (Kiwi.com) |
One-way from | $169 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $418 |
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 July 9, 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
Mon 9/21
6:00 am-11:56 am
1 stop8h 56m
Los Angeles Los Angeles
Sat 9/26
6:10 am-6:04 pm
1 stop8h 54m
$437
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Tue 8/18
3:05 pm-9:10 pm
2 stops9h 05m
Los Angeles Los Angeles
Sat 8/22
5:20 am-6:20 pm
2 stops10h 00m
$452
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 9/26
6:30 am-2:00 pm
2 stops10h 30m
Los Angeles Los Angeles
Sat 10/17
8:05 am-8:00 pm
2 stops8h 55m
$452
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 9/16
7:00 am-3:57 pm
1 stop11h 57m
Los Angeles Los Angeles
Mon 9/21
8:20 am-5:40 am
2 stops18h 20m
$464
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 9/26
7:00 am-6:33 pm
2 stops14h 33m
Los Angeles Los Angeles
Sat 10/17
11:31 am-5:40 am
1 stop15h 09m
$483
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 8/5
7:55 am-2:50 pm
2 stops9h 55m
Los Angeles Los Angeles
Wed 8/12
9:45 am-8:55 pm
2 stops8h 10m
$490
Quickest round-trip
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Tue 8/4
3:00 pm-9:20 pm
2 stops9h 20m
Los Angeles Los Angeles
Tue 8/11
6:45 am-6:00 pm
2 stops8h 15m
$495
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Fri 8/14
5:55 am-12:50 pm
2 stops9h 55m
Los Angeles Los Angeles
Sun 8/16
11:30 am-12:10 am
2 stops9h 40m
$511
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sun 8/23
4:48 pm-10:48 pm
1 stop9h 00m
Los Angeles Los Angeles
Mon 8/31
6:14 pm-3:45 pm
2 stops18h 31m
$518
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 9/16
3:05 pm-9:20 pm
2 stops9h 15m
Los Angeles Los Angeles
Sun 9/20
11:30 am-12:10 am
2 stops9h 40m
$530
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
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 July 9, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Philadelphia to Riverside by exploring options for tickets in the afternoon.
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 July 9, 2026.
The most flights from PHL to R1V are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from Philadelphia to Riverside?
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 July 4, 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.
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 July 9, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, 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
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 July 9, 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 July 9, 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 6 airlines flying from Philadelphia to Riverside
Discover the top 6 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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$314 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$436 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$492 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$224 | Average$427 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$468 | FlexibilityNo cancel fee | On-time71% |