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Riverside

$72+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Riverside are usually found in September or October, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$158
(Cheapflightsfares)

One-way from

$72
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$306
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. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Wed 7/28:15 amPHL - LAX
Nonstop5h 58mSpirit Airlines
Sat 7/510:56 pmLAX - PHL
Nonstop5h 04mSpirit Airlines
Deal found 6/10$158
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Thu 8/217:15 amPHL - LAX
1 stop7h 39mFrontier
Sun 8/2410:35 pmLAX - PHL
Nonstop5h 26mFrontier
Deal found 6/11$171
This Southwest deal was found by Cheapflights users on 6/10. 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 7/236:50 amPHL - LAX
1 stop7h 55mSouthwest
Wed 7/301:00 pmLAX - PHL
1 stop8h 05mSouthwest
Deal found 6/10$190
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 10/110:35 amPHL - LAX
Nonstop5h 51mAmerican Airlines
Tue 10/712:55 amLAX - PHL
Nonstop5h 10mAmerican Airlines
Deal found 6/12$199
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/95:48 pmPHL - LAX
Nonstop5h 41mMultiple Airlines
Fri 7/116:00 amLAX - PHL
1 stop8h 27mMultiple Airlines
Deal found 6/12$215
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/256:55 pmPHL - LAX
1 stop7h 56mDelta
Mon 7/2812:47 amLAX - PHL
1 stop6h 55mDelta
Deal found 6/9$277
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Wed 9/243:10 pmPHL - LAX
1 stop9h 28mJetBlue
Thu 10/29:25 pmLAX - PHL
1 stop10h 25mJetBlue
Deal found 6/10$291

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 June 12, 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

Wed 7/2

8:15 am-11:13 am

Nonstop5h 58m

Los Angeles

Sat 7/5

10:56 pm-7:00 am

Nonstop5h 04m

$158

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Thu 8/21

7:15 am-11:54 am

1 stop7h 39m

Los Angeles

Sun 8/24

10:35 pm-7:01 am

Nonstop5h 26m

$171

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Wed 7/23

6:50 am-11:45 am

1 stop7h 55m

Los Angeles

Wed 7/30

1:00 pm-12:05 am

1 stop8h 05m

$190

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 8/26

6:15 am-8:45 am

Nonstop5h 30m

Los Angeles

Sat 8/30

6:10 am-2:26 pm

Nonstop5h 16m

$199

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Sat 6/28

6:20 pm-6:59 am

1 stop15h 39m

Los Angeles

Sat 7/12

10:32 pm-6:58 am

Nonstop5h 26m

$201

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Fri 7/25

6:00 am-10:28 am

1 stop7h 28m

Los Angeles

Thu 7/31

2:29 pm-12:59 am

1 stop7h 30m

$277

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 7/1

6:20 pm-6:59 am

1 stop15h 39m

$72

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 9/2

7:45 am-2:35 pm

1 stop9h 50m

$95

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Wed 6/25

5:48 pm-8:33 pm

Nonstop5h 45m

$109

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Sat 7/19

7:00 am-11:20 pm

3 stops43h 20m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 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 June 9, 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, 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 $327). 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 June 12, 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 June 8, 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 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 June 12, 2025.

The most flights from PHL to R1V are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 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 June 12, 2025.
Read through reviews of airlines operating flights from Philadelphia to Riverside, such as Southwest, Delta and JetBlue. 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
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Sun Country Air
6.9
Okay
345 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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 31 outbound flights to Riverside per day from 9 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 113 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 $72. Users have also found prices from $95 and $109 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 Japan Airlines (87%), Spirit Airlines (86%) or Fiji Airways (77%) 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 $52. While the most popular route (Philadelphia - Los Angeles) can be booked for $160 on average our data indicates $1,138 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 $327). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Philadelphia to Riverside

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$219FlexibilityNo cancel feeOn-time65%
FrontierCheapest$98Average$257FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$135Average$327FlexibilityNo cancel feeOn-time62%
DeltaCheapest$143Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$422FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$210Average$224FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$275Average$479FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$305Average$401FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$333Average$496FlexibilityNo cancel feeOn-time63%

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