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Riverside

$111+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Riverside are usually found in July or June, booked 81 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Philadelphia to Riverside

Cheapest flights from Philadelphia to Riverside
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 December 3, 2025.

This CheapOair deal was found by Cheapflights users on 12/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:15 amPHL - LAX
1 stop17h 56mFrontier
Tue 12/910:39 pmLAX - PHL
1 stop14h 07mFrontier
Deal found 12/1$268
This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:10 amPHL - LAX
1 stop25h 19mFrontier
Wed 12/311:11 pmLAX - PHL
1 stop13h 29mFrontier
Deal found 12/2$269
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:15 amPHL - LAX
2 stops20h 09mSpirit Airlines
Wed 12/106:00 amLAX - PHL
2 stops14h 16mSpirit Airlines
Deal found 12/1$270
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/118:00 amPHL - LAX
2 stops18h 52mMultiple Airlines
Thu 12/183:30 pmLAX - PHL
1 stop11h 10mMultiple Airlines
Deal found 11/30$271
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sat 12/135:45 pmPHL - LAX
2 stops18h 45mMultiple Airlines
Mon 12/1510:39 pmLAX - PHL
1 stop9h 11mMultiple Airlines
Deal found 12/2$272
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/3110:00 pmPHL - LAX
1 stop23h 03mMultiple Airlines
Tue 1/611:43 pmLAX - PHL
1 stop16h 30mMultiple Airlines
Deal found 12/2$273
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/307:10 amPHL - LAX
1 stop8h 06mMultiple Airlines
Tue 1/611:43 pmLAX - PHL
1 stop16h 30mMultiple Airlines
Deal found 12/2$274
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:15 amPHL - LAX
2 stops20h 09mSpirit Airlines
Mon 12/1511:59 pmLAX - PHL
2 stops20h 17mSpirit Airlines
Deal found 12/1$275
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/93:45 pmPHL - LAX
2 stops24h 26mMultiple Airlines
Sat 12/1310:39 pmLAX - PHL
1 stop9h 39mMultiple Airlines
Deal found 12/2$276
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/108:00 amPHL - LAX
2 stops17h 24mMultiple Airlines
Sat 12/1310:39 pmLAX - PHL
1 stop9h 39mMultiple Airlines
Deal found 12/2$277
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/912:20 pmPHL - LAX
2 stops35h 51mFrontier
Sun 12/213:30 pmLAX - PHL
1 stop11h 10mFrontier
Deal found 11/30$278
This CheapOair deal was found by Cheapflights users on 12/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:00 pmPHL - LAX
1 stop29h 03mFrontier
Thu 12/256:34 amLAX - PHL
1 stop19h 57mFrontier
Deal found 12/1$279

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 December 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$265
(Mytrip)

One-way from

$111
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$476
Provider with most accurate pricing for Philadelphia-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Los Angeles flights.
Search Deals
From Philadelphia to Riverside
Search Deals
One-way flight from Philadelphia to Riverside
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 3, 2025.
Use the filters below to find and compare flights from Philadelphia to Riverside that are best for you.

Fly from

Philadelphia

Fly to

Riverside

Route

Depart

Return

Price

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Sun 2/8

8:40 am-5:38 pm

1 stop11h 58m

Los Angeles

Tue 2/17

10:10 pm-12:36 pm

1 stop11h 26m

$301

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Thu 2/5

8:40 am-5:38 pm

1 stop11h 58m

Los Angeles

Tue 2/24

11:00 am-10:45 pm

1 stop8h 45m

$301

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Thu 2/5

8:40 am-5:38 pm

1 stop11h 58m

Los Angeles

Wed 2/18

10:10 pm-12:36 pm

1 stop11h 26m

$301

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 12/30

6:10 am-7:19 pm

1 stop16h 09m

Los Angeles

Tue 1/6

8:59 pm-7:09 pm

3 stops19h 10m

$329

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 2/3

8:09 am-5:25 pm

1 stop12h 16m

Los Angeles

Fri 2/20

12:25 am-2:24 pm

1 stop10h 59m

$349

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Sat 2/7

10:10 am-6:47 pm

1 stop11h 37m

Los Angeles

Sat 2/21

7:00 am-9:38 pm

1 stop11h 38m

$373

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Fri 1/30

7:06 pm-5:37 pm

2 stops25h 31m

Los Angeles

Wed 2/4

1:56 pm-6:03 pm

1 stop25h 07m

$380

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 1/13

7:06 pm-9:36 pm

1 stop29h 30m

Los Angeles

Thu 1/29

3:09 pm-6:03 pm

2 stops23h 54m

$381

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Mon 3/2

6:20 pm-8:36 pm

1 stop29h 16m

Los Angeles

Fri 3/6

8:00 pm-5:20 pm

2 stops18h 20m

$381

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Thu 1/8

6:10 am-12:00 pm

1 stop8h 50m

Los Angeles

Mon 1/12

5:45 am-5:05 pm

2 stops8h 20m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 23 results
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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.
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

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 November 28, 2025.

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 81 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, December is the cheapest month in which you can book a flight from Philadelphia to Riverside (average of $84). Flying from Philadelphia to Riverside in July is currently the most expensive (average of $141). 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 December 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 52% on flights from Philadelphia to Riverside by exploring options for tickets in the evening.

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 November 29, 2025.

Travelers seeking maximum savings on their Philadelphia to Riverside flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from 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 December 3, 2025.

The most flights from PHL to R1V are scheduled on a Wednesday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 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 December 3, 2025.
Read reviews from past customers who have flown Southwest, Delta, 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.
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,044 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Spirit Airlines
6.3
Okay
8,161 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,092 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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.

  • What airport do you fly from for flights from Philadelphia to Riverside?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Riverside. On average, Philadelphia has 12 outbound flights to Riverside per day from 8 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How popular is this Philadelphia to Riverside flight route?

    Flights from Philadelphia to Riverside have been viewed 102 times in the past calendar month.

  • How long is the flight from Philadelphia to Riverside?

    There are many flights that can get you from Philadelphia to Riverside in 11h 58m. Fly via JetBlue, Spirit Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 2395 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Philadelphia to Riverside one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $53. Users have also found prices from $68 and $134 on Frontier and Southwest, respectively.

  • What are the most reliable airlines from Philadelphia to Riverside?

    No one likes to see their flight delayed. When booking a flight from Philadelphia to Riverside consider choosing Qatar Airways (90%), Japan Airlines (87%) or American Airlines (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Philadelphia to Riverside?

    Looking at all options, your cheapest flight can be booked for $208. While the most popular route (Philadelphia - Los Angeles) can be booked for $143 on average, our data indicates $1,366 when flying from Philadelphia to Riverside.

  • Can I find deals for flights from Philadelphia to Riverside that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Riverside flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Riverside?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Riverside.

  • Can I find deals for business class flights from Philadelphia to Riverside?

    Yes. Cheapflights offers flight deals from Philadelphia to Riverside by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Riverside?

    Currently, December is the cheapest month in which you can book a flight from Philadelphia to Riverside (average of $84). Flying from Philadelphia to Riverside in July is currently the most expensive (average of $141). 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.

See more FAQs

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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.
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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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$235FlexibilityNo cancel feeOn-time65%
FrontierCheapest$111Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$411FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$164Average$355FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$223Average$443FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$253Average$458FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$268Average$479FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$305Average$391FlexibilityNo cancel feeOn-time83%

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