$100+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
Apr 1 — Apr 81
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 61 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 March 2, 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 March 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 5/128:25 pm
PHL
- LAX
1 stop21h 50m
Multiple Airlines
Fri 5/1511:35 pm
LAX
- PHL
2 stops20h 35m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/98:25 pm
PHL
- LAX
1 stop30h 47m
Frontier
Mon 4/132:55 pm
LAX
- PHL
2 stops11h 36m
Frontier
Deal found 2/27![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:41 pm
PHL
- LAX
1 stop11h 28m
Frontier
Tue 5/193:27 pm
LAX
- PHL
2 stops11h 07m
Frontier
Deal found 3/1![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/225:05 am
PHL
- LAX
1 stop10h 57m
Frontier
Thu 4/98:58 pm
LAX
- PHL
1 stop29h 33m
Frontier
Deal found 2/27![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/1611:58 am
PHL
- LAX
1 stop12h 47m
Frontier
Mon 4/2010:59 pm
LAX
- PHL
2 stops27h 35m
Frontier
Deal found 2/28![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/26. 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 5/139:17 am
PHL
- LAX
1 stop13h 55m
Frontier
Thu 5/1412:39 pm
LAX
- PHL
1 stop8h 00m
Frontier
Deal found 2/26![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/108:25 pm
PHL
- LAX
1 stop17h 35m
Frontier
Wed 4/224:17 pm
LAX
- PHL
1 stop10h 17m
Frontier
Deal found 2/26![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 5/2011:48 am
PHL
- LAX
1 stop9h 51m
Frontier
Wed 5/2710:49 pm
LAX
- PHL
1 stop8h 49m
Frontier
Deal found 2/27![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 3/248:30 am
PHL
- LAX
2 stops18h 46m
Frontier
Wed 4/86:15 am
LAX
- PHL
1 stop20h 16m
Frontier
Deal found 2/28![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
PHL
- LAX
1 stop19h 30m
Frontier
Mon 4/1311:50 am
LAX
- PHL
1 stop10h 12m
Frontier
Deal found 3/1![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/1110:38 am
PHL
- LAX
1 stop11h 23m
Frontier
Wed 4/82:37 pm
LAX
- PHL
2 stops11h 54m
Frontier
Deal found 2/25![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/249:41 pm
PHL
- LAX
2 stops28h 33m
Frontier
Sun 5/311:59 pm
LAX
- PHL
1 stop14h 35m
Frontier
Deal found 3/2![Frontier logo]()
$227
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 March 2, 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 March 2, 2026.
This Southwest deal was found by Cheapflights users on 2/26. 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 4/154:00 pm
PHL
- LAX
2 stops9h 00m
Southwest
Thu 4/3011:00 am
LAX
- PHL
2 stops9h 05m
Southwest
Deal found 2/26![Southwest logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 4/216:47 pm
PHL
- LAX
2 stops23h 30m
Alaska Airlines
Sat 4/258:25 am
LAX
- PHL
2 stops18h 37m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$366
This Mytrip deal was found by Cheapflights users on 2/25. 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.
Fri 3/136:08 pm
PHL
- LAX
2 stops31h 06m
Spirit Airlines
Tue 3/1710:03 am
LAX
- PHL
3 stops34h 53m
Spirit Airlines
Deal found 2/25![Spirit Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
PHL
- LAX
1 stop8h 26m
Delta
Sun 3/87:20 pm
LAX
- PHL
1 stop7h 21m
Delta
Deal found 3/2![Delta logo]()
$535
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Wed 6/37:30 am
LAX
- PHL
2 stops11h 30m
Southwest
Deal found 3/1![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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.
Thu 4/167:25 am
PHL
- LAX
1 stop19h 34m
Alaska Airlines
Wed 4/2210:00 am
LAX
- PHL
2 stops17h 02m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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.
Fri 4/177:25 am
PHL
- LAX
2 stops15h 30m
Alaska Airlines
Sat 4/256:13 am
LAX
- PHL
2 stops20h 49m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 2/28. 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 3/217:05 pm
PHL
- LAX
1 stop8h 05m
Southwest
Sat 3/2811:55 am
LAX
- PHL
2 stops7h 55m
Southwest
Deal found 2/28![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 2/28. 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 5/72:15 pm
PHL
- LAX
2 stops8h 50m
Southwest
Wed 5/139:35 am
LAX
- PHL
2 stops10h 05m
Southwest
Deal found 2/28![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 2/25. 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 4/47:45 am
PHL
- LAX
2 stops9h 35m
Southwest
Sat 4/116:00 am
LAX
- PHL
2 stops9h 35m
Southwest
Deal found 2/25![Southwest logo]()
$506
This Southwest deal was found by Cheapflights users on 2/28. 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 5/145:40 am
PHL
- LAX
2 stops9h 55m
Southwest
Mon 5/1811:00 am
LAX
- PHL
2 stops9h 05m
Southwest
Deal found 2/28![Southwest logo]()
$510
This Southwest deal was found by Cheapflights users on 2/27. 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 3/315:30 am
PHL
- LAX
2 stops10h 05m
Southwest
Sun 4/57:25 am
LAX
- PHL
2 stops11h 25m
Southwest
Deal found 2/27![Southwest logo]()
$517
Last-minute flights from Philadelphia to RiversideDiscover last-minute flight deals from Philadelphia to Riverside. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Riverside. Data last updated March 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/1110:38 am
PHL
- LAX
1 stop11h 23m
Frontier
Wed 4/82:37 pm
LAX
- PHL
2 stops11h 54m
Frontier
Deal found 2/25![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/215:15 am
PHL
- LAX
1 stop21h 41m
Multiple Airlines
Wed 4/86:15 am
LAX
- PHL
1 stop20h 16m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/225:05 am
PHL
- LAX
1 stop10h 57m
Frontier
Thu 4/98:58 pm
LAX
- PHL
1 stop29h 33m
Frontier
Deal found 2/27![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 3/248:30 am
PHL
- LAX
2 stops18h 46m
Frontier
Wed 4/86:15 am
LAX
- PHL
1 stop20h 16m
Frontier
Deal found 2/28![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
PHL
- LAX
1 stop19h 30m
Frontier
Mon 4/1311:50 am
LAX
- PHL
1 stop10h 12m
Frontier
Deal found 3/1![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/98:25 pm
PHL
- LAX
1 stop30h 47m
Frontier
Mon 4/132:55 pm
LAX
- PHL
2 stops11h 36m
Frontier
Deal found 2/27![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/103:01 pm
PHL
- LAX
2 stops34h 29m
Frontier
Tue 4/214:17 pm
LAX
- PHL
1 stop10h 17m
Frontier
Deal found 3/2![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 2/26. 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.
Fri 4/108:25 pm
PHL
- LAX
1 stop17h 35m
Frontier
Fri 4/172:44 pm
LAX
- PHL
1 stop11h 50m
Frontier
Deal found 2/26![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/108:25 pm
PHL
- LAX
1 stop17h 35m
Frontier
Wed 4/224:17 pm
LAX
- PHL
1 stop10h 17m
Frontier
Deal found 2/26![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/1611:58 am
PHL
- LAX
1 stop12h 47m
Frontier
Mon 4/2010:59 pm
LAX
- PHL
2 stops27h 35m
Frontier
Deal found 2/28![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/27. 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 4/2111:02 am
PHL
- LAX
1 stop13h 43m
Frontier
Mon 4/2711:00 pm
LAX
- PHL
1 stop11h 21m
Frontier
Deal found 2/27![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/249:41 pm
PHL
- LAX
2 stops28h 33m
Frontier
Sun 5/311:59 pm
LAX
- PHL
1 stop14h 35m
Frontier
Deal found 3/2![Frontier logo]()
$227
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 March 2, 2026.
Search for one-way flight options from Philadelphia to Riverside. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:41 pm
PHL
- LAX
1 stop14h 00m
Frontier
Deal found 3/1![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/179:53 am
PHL
- LAX
3 stops41h 03m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/148:41 pm
PHL
- LAX
2 stops22h 34m
Frontier
Deal found 2/27![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 5/48:41 pm
PHL
- LAX
1 stop29h 33m
Frontier
Deal found 2/28![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/78:25 pm
PHL
- LAX
1 stop17h 25m
Frontier
Deal found 2/28![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 5/58:25 pm
PHL
- LAX
2 stops21h 05m
Frontier
Deal found 3/2![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:25 pm
PHL
- LAX
1 stop17h 35m
Frontier
Deal found 2/26![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/155:05 am
PHL
- LAX
2 stops21h 09m
Frontier
Deal found 2/27![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/248:41 pm
PHL
- LAX
2 stops22h 34m
Frontier
Deal found 2/26![Frontier logo]()
$112
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 March 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Kiwi.com) |
One-way from | $100 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $431 |
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 March 2, 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
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Wed 4/15
4:00 pm-10:00 pm
2 stops9h 00m
Los Angeles
Thu 4/30
11:00 am-11:05 pm
2 stops9h 05m
$345
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 5/30
5:35 am-12:10 pm
2 stops9h 35m
Los Angeles
Wed 6/3
7:30 am-10:00 pm
2 stops11h 30m
$358
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Tue 4/21
6:47 pm-3:17 pm
2 stops23h 30m
Los Angeles
Sat 4/25
8:25 am-6:02 am
2 stops18h 37m
$366
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Thu 4/16
7:25 am-11:59 pm
1 stop19h 34m
Los Angeles
Wed 4/22
10:00 am-6:02 am
2 stops17h 02m
$397
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Fri 4/17
7:25 am-7:55 pm
2 stops15h 30m
Los Angeles
Sat 4/25
6:13 am-6:02 am
2 stops20h 49m
$405
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 3/21
7:05 pm-12:10 am
1 stop8h 05m
Los Angeles
Sat 3/28
11:55 am-10:50 pm
2 stops7h 55m
$412
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Fri 3/13
6:08 pm-10:14 pm
2 stops31h 06m
Los Angeles
Tue 3/17
10:03 am-11:56 pm
3 stops34h 53m
$430
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Thu 5/7
2:15 pm-8:05 pm
2 stops8h 50m
Los Angeles
Wed 5/13
9:35 am-10:40 pm
2 stops10h 05m
$433
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Sat 4/4
7:45 am-2:20 pm
2 stops9h 35m
Los Angeles
Sat 4/11
6:00 am-6:35 pm
2 stops9h 35m
$506
PhiladelphiaLos Angeles
PHL - LAX
PHLLAX
Philadelphia
Thu 5/14
5:40 am-12:35 pm
2 stops9h 55m
Los Angeles
Mon 5/18
11:00 am-11:05 pm
2 stops9h 05m
$510
Showing 1-10 of 22 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 February 27, 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 61 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 Philadelphia to Riverside?
Currently, March is the cheapest month in which you can book a flight from Philadelphia to Riverside (average of $97). Flying from Philadelphia to Riverside in February is currently the most expensive (average of $148). 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 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 March 2, 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 February 21, 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 March 2, 2026.
The most flights from PHL to R1V are scheduled on a Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).
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 March 2, 2026.
Read reviews from past customers who have flown Southwest, JetBlue, and American 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.
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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 March 2, 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 March 2, 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 March 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$234 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$113 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$466 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$204 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$224 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$212 | Average$462 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$442 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$488 | FlexibilityNo cancel fee | On-time69% |