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$71+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Riverside are usually found in September or October, booked 65 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Philadelphia to Riverside

Keep the following information in mind while searching for Philadelphia to Riverside flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$148
(Cheapflightsfares)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$415
Provider with most accurate pricing for Philadelphia-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Los Angeles flights.
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From Philadelphia to Riverside
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One-way flight from Philadelphia to Riverside
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 marzo 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2612:41 pmPHL - LAX
1 stop10h 12mSpirit Airlines
jue. 6/2610:26 pmLAX - PHL
Nonstop5h 04mSpirit Airlines
Deal found 3/27$148
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/291:55 pmPHL - LAX
Nonstop5h 59mAmerican Airlines
mar. 5/611:21 pmLAX - PHL
Nonstop5h 04mAmerican Airlines
Deal found 3/27$181
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
jue. 6/1210:33 pmPHL - LAX
Nonstop5h 49mMultiple Airlines
sáb. 6/2810:35 pmLAX - PHL
Nonstop5h 23mMultiple Airlines
Deal found 3/27$216
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/58:00 amPHL - LAX
1 stop11h 35mFrontier
mar. 4/85:25 pmLAX - PHL
1 stop10h 22mFrontier
Deal found 3/27$218
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/156:00 amPHL - LAX
1 stop10h 00mDelta
lun. 4/2112:45 amLAX - PHL
1 stop6h 51mDelta
Deal found 3/28$277

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 marzo 28, 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

mar. 4/29

10:08 pm-12:09 pm

1 stop17h 01m

Los Angeles

dom. 5/4

8:49 pm-5:06 am

Nonstop5h 17m

$145

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

mié. 5/7

6:58 pm-10:02 pm

Nonstop6h 04m

Los Angeles

dom. 5/11

12:55 am-9:00 am

Nonstop5h 05m

$231

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

vie. 5/23

5:34 pm-8:26 pm

Nonstop5h 52m

Los Angeles

mié. 5/28

10:20 pm-6:30 am

Nonstop5h 10m

$237

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

mié. 4/16

8:05 am-1:10 pm

1 stop8h 05m

Los Angeles

mar. 4/22

11:10 pm-11:25 am

1 stop9h 15m

$271

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

sáb. 4/26

3:30 pm-11:27 pm

1 stop10h 57m

Los Angeles

lun. 5/12

12:50 am-11:00 am

1 stop7h 10m

$282

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

sáb. 4/26

6:21 am-9:18 am

Nonstop5h 57m

$71

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

mar. 5/13

6:45 pm-12:05 am

1 stop8h 20m

$101

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

mié. 4/9

8:00 am-4:25 pm

1 stop11h 25m

$102

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

mié. 4/9

8:00 am-10:06 pm

1 stop17h 06m

$116

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

sáb. 5/31

6:00 am-10:37 am

1 stop7h 37m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 13 results
1
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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 March 21, 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 65 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, January is the cheapest month in which you can book a flight from Philadelphia to Riverside (average of $246). Flying from Philadelphia to Riverside in March is currently the most expensive (average of $330). 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 marzo 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Riverside as you normally would.

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 March 23, 2025.

Travelers seeking maximum savings on their Philadelphia to Riverside flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon 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 marzo 28, 2025.

The most flights from PHL to R1V are scheduled on a Thursday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Riverside by month

Plan your trip to Riverside by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Riverside ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Riverside when rainfall is around 0.0 in.

Temperature in Riverside by month

Plan your trip to Riverside by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Riverside, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 marzo 28, 2025.
Read through reviews of airlines operating flights from Philadelphia to Riverside, such as Southwest, Alaska Airlines and Delta. 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
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 14 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 100 times in the past calendar month.

  • 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 $81. Users have also found prices from $106 and $121 on Southwest and Frontier, 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 Spirit Airlines (88%), Fiji Airways (88%) or Iberia (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 $56. While the most popular route (Philadelphia - Los Angeles) can be booked for $132 on average our data indicates $1,250 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, January is the cheapest month in which you can book a flight from Philadelphia to Riverside (average of $246). Flying from Philadelphia to Riverside in March is currently the most expensive (average of $330). 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.

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Alternative routes for Philadelphia to Riverside

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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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$235FlexibilityNo cancel feeOn-time65%
FrontierCheapest$98Average$256FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$135Average$259FlexibilityNo cancel feeOn-time62%
DeltaCheapest$135Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$194Average$445FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$502FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$283Average$483FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$305Average$398FlexibilityNo cancel feeOn-time83%
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