$110+ Cheap flights from Riverside, CA to Philadelphia (PHL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Feb 28 — Mar 71
1 adult, Economy
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Find cheap flights from Riverside to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Riverside to Philadelphia are usually found in August or July, booked 52 days in advance, depart on a Wednesday or Saturday and return on a Thursday
Cheap flight deals from Riverside to Philadelphia
Cheapest flights from Riverside to PhiladelphiaExplore the most affordable flight options available from Riverside to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Riverside to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/2811:59 pm
LAX
- PHL
2 stops32h 19m
Multiple Airlines
Thu 3/53:15 pm
PHL
- LAX
1 stop30h 46m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/251:05 am
LAX
- PHL
1 stop10h 30m
Multiple Airlines
Sun 3/17:14 pm
PHL
- LAX
2 stops39h 01m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$238
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:50 pm
LAX
- PHL
1 stop9h 28m
Frontier
Mon 2/235:47 pm
PHL
- LAX
1 stop22h 29m
Frontier
Deal found 1/28![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/512:46 pm
LAX
- PHL
1 stop9h 06m
Multiple Airlines
Mon 2/96:18 pm
PHL
- LAX
2 stops39h 57m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$241
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:05 am
LAX
- PHL
2 stops12h 21m
Spirit Airlines
Wed 3/48:06 am
PHL
- LAX
2 stops27h 09m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$242
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:51 pm
LAX
- PHL
3 stops26h 01m
Spirit Airlines
Tue 3/35:26 pm
PHL
- LAX
3 stops24h 46m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/1110:22 pm
LAX
- PHL
1 stop9h 56m
Multiple Airlines
Mon 2/162:25 pm
PHL
- LAX
2 stops43h 50m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/2810:45 pm
LAX
- PHL
1 stop9h 28m
Frontier
Sat 3/77:10 pm
PHL
- LAX
1 stop19h 43m
Frontier
Deal found 1/27![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 4/161:51 pm
LAX
- PHL
1 stop8h 03m
Frontier
Tue 4/217:56 pm
PHL
- LAX
2 stops18h 28m
Frontier
Deal found 1/27![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 2/181:05 am
LAX
- PHL
2 stops28h 39m
Spirit Airlines
Thu 2/266:00 am
PHL
- LAX
1 stop20h 50m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/199:31 pm
LAX
- PHL
1 stop15h 26m
Multiple Airlines
Wed 2/2511:40 am
PHL
- LAX
2 stops22h 41m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$248
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:05 am
LAX
- PHL
2 stops19h 11m
Spirit Airlines
Mon 2/235:26 pm
PHL
- LAX
2 stops27h 57m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$249
Find flight deals from Riverside to Philadelphia
Keep the following information in mind while searching for Riverside to Philadelphia flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Kiwi.com) |
One-way from | $110 (Frontier) |
Popular in | January |
Cheapest in | August |
Average price | $553 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Riverside to Philadelphia that are best for you.
Fly from
Riverside
Fly to
Philadelphia
Route
Depart
Return
Price
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 2/18
6:00 am-4:42 pm
1 stop7h 42m
Philadelphia
Tue 2/24
3:37 pm-9:19 pm
1 stop8h 42m
$267
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Fri 5/22
9:49 pm-8:15 am
1 stop7h 26m
Philadelphia
Tue 5/26
3:09 pm-8:25 pm
1 stop8h 16m
$285
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 5/27
10:30 pm-11:15 am
1 stop9h 45m
Philadelphia
Tue 6/9
3:15 pm-12:57 am
1 stop12h 42m
$301
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Thu 7/23
9:49 pm-8:15 am
1 stop7h 26m
Philadelphia
Mon 7/27
3:09 pm-8:25 pm
1 stop8h 16m
$316
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 5/27
9:49 pm-8:15 am
1 stop7h 26m
Philadelphia
Sat 5/30
5:45 am-3:12 pm
3 stops12h 27m
$328
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Fri 5/15
12:59 am-8:04 pm
2 stops16h 05m
Philadelphia
Tue 5/19
6:15 am-7:00 am
2 stops27h 45m
$330
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Wed 4/22
5:57 pm-6:02 am
1 stop9h 05m
Philadelphia
Tue 4/28
7:22 am-9:14 pm
2 stops16h 52m
$341
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Thu 2/12
9:12 am-8:44 am
3 stops20h 32m
Philadelphia
Mon 2/16
5:26 pm-6:23 pm
2 stops27h 57m
$350
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Sat 5/16
9:40 pm-5:52 am
Nonstop5h 12m
Philadelphia
Tue 5/19
8:10 pm-11:09 pm
Nonstop5h 59m
$361
Los AngelesPhiladelphia
LAX - PHL
LAXPHL
Los Angeles
Sat 2/28
11:55 pm-10:31 am
1 stop7h 36m
Philadelphia
Sat 3/7
5:22 pm-11:13 pm
1 stop8h 51m
$382
Showing 1-10 of 24 results
Best time to book a flight from Riverside to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Riverside with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Riverside to Philadelphia
How far ahead should I book a flight from Riverside to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Philadelphia. Price data was last updated on January 23, 2026.
The price you pay for your flight from Riverside to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Riverside to Philadelphia?
Currently, June is the cheapest month in which you can book a flight from Riverside to Philadelphia (average of $78). Flying from Riverside to Philadelphia in October is currently the most expensive (average of $136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from R1V to PHL?
Find hourly flight availability from Riverside to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.
A simple way to save on the total cost of your ticket is to fly from Riverside to Philadelphia in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Riverside to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Philadelphia. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Riverside to Philadelphia flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Riverside to Philadelphia
Explore weekly flight availability from Riverside to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.
The most flights from R1V to PHL are scheduled on a Thursday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated January 29, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Riverside to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Riverside to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Riverside to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Riverside to Philadelphia
Discover the top 7 airlines that operate flights from Riverside to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$209 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$104 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$378 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$509 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$473 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$489 | FlexibilityNo cancel fee | On-time63% |