HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$90+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 September or October, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Riverside to Philadelphia

Keep the following information in mind while searching for Riverside to Philadelphia flight deals. Data was last updated July 31, 2025.

Round-trip from

$188
(Booking.com)

One-way from

$92
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$334
From Riverside to Philadelphia
Search Deals
One-way flight from Riverside to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Riverside to Philadelphia

Cheapest flights from Riverside to Philadelphia
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 July 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:45 amLAX - PHL
1 stop14h 14mSpirit Airlines
Tue 9/29:00 amPHL - LAX
1 stop7h 21mSpirit Airlines
Deal found 7/29$188
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/99:19 amLAX - PHL
1 stop7h 48mMultiple Airlines
Sat 8/235:35 pmPHL - LAX
Nonstop5h 41mMultiple Airlines
Deal found 7/29$189
This Frontier deal was found by Cheapflights users on 7/29. 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.
Sat 10/1110:35 pmLAX - PHL
Nonstop5h 23mFrontier
Sat 10/185:35 pmPHL - LAX
Nonstop5h 46mFrontier
Deal found 7/29$191
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/34:05 pmLAX - PHL
Nonstop5h 13mAmerican Airlines
Wed 10/299:05 pmPHL - LAX
Nonstop5h 49mAmerican Airlines
Deal found 7/29$223

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 July 31, 2025.
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

Tue 8/26

6:45 am-11:59 pm

1 stop14h 14m

Philadelphia

Tue 9/2

9:00 am-1:21 pm

1 stop7h 21m

$188

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Thu 9/25

9:31 pm-5:55 am

Nonstop5h 24m

Philadelphia

Sat 9/27

5:37 pm-8:36 pm

Nonstop5h 59m

$189

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 8/13

8:30 am-11:20 pm

1 stop11h 50m

Philadelphia

Fri 8/15

5:48 pm-8:29 pm

Nonstop5h 41m

$213

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 9/3

6:10 am-2:22 pm

Nonstop5h 12m

Philadelphia

Wed 9/10

6:00 am-8:44 am

Nonstop5h 44m

$223

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Wed 8/20

6:45 am-11:59 pm

1 stop14h 14m

$90

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Sat 10/4

9:31 pm-5:55 am

Nonstop5h 24m

$100

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Tue 9/2

11:15 pm-9:55 am

1 stop7h 40m

$121

Los AngelesPhiladelphia

LAX - PHL

LAXPHL

Los Angeles

Tue 8/12

9:19 am-5:55 pm

1 stop29h 36m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 25, 2025.

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 75 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, August is the cheapest month in which you can book a flight from Riverside to Philadelphia (average of $236). Flying from Riverside to Philadelphia in March is currently the most expensive (average of $295). 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 July 31, 2025.

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

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 July 27, 2025.

Travelers seeking maximum savings on their Riverside to Philadelphia flight should consider departing on Wednesday 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 July 31, 2025.

The most flights from R1V to PHL are scheduled on a Thursday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 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 July 31, 2025.
See what other customers who have flown with Southwest, American Airlines, and Spirit 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.
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

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
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

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
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,049 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,239 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

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 Riverside to Philadelphia. 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 into for flights to Philadelphia from Riverside?

    Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from Riverside. On average, Philadelphia has 31 inbound flights from Riverside per day from 7 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How popular is this Riverside to Philadelphia flight route?

    The Riverside to Philadelphia flight path was viewed by 111 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $92. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Riverside to Philadelphia for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Riverside to Philadelphia consider choosing Spirit Airlines (88%), Iberia (88%) or Aer Lingus (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Riverside to Philadelphia?

    Looking for the cheapest flight from Riverside to Philadelphia? While on average our users pay $1,327, our data indicates the cheapest price to be $98. The most popular route (Los Angeles - Philadelphia), is priced around $137.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside to Philadelphia 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 Riverside to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Riverside to Philadelphia (average of $236). Flying from Riverside to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Riverside to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
San Francisco to Newark flights
Ontario to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Burbank to Newark flights
Ontario to Newark flights
Los Angeles to Reagan-National flights
Santa Ana to Newark flights
San Diego to John F Kennedy Intl flights
San Diego to Newark flights
San Francisco to Reagan-National flights
Santa Ana to LaGuardia flights
San Francisco to Dulles Intl flights
Oakland to Newark flights
Burbank to LaGuardia flights
Los Angeles to Dulles Intl flights
San Jose to Newark flights
Ontario to LaGuardia flights
Santa Ana to John F Kennedy Intl flights
San Francisco to Philadelphia flights
Oakland to LaGuardia flights
Las Vegas to John F Kennedy Intl flights
Los Angeles to Philadelphia flights
San Diego to LaGuardia flights
San Jose to John F Kennedy Intl flights
Ontario to Dulles Intl flights
Sacramento to Newark flights
Burbank to John F Kennedy Intl flights
Sacramento to John F Kennedy Intl flights
San Jose to LaGuardia flights
San Jose to Reagan-National flights
San Jose to Dulles Intl flights
Ontario to Philadelphia flights
San Diego to Reagan-National flights
Oakland to Dulles Intl flights
Oakland to John F Kennedy Intl flights
Ontario to Reagan-National flights
Las Vegas to LaGuardia flights
San Diego to Dulles Intl flights
Las Vegas to Newark flights
Sacramento to LaGuardia flights
San Diego to Philadelphia flights
Long Beach to John F Kennedy Intl flights
Sacramento to Dulles Intl flights
Santa Ana to Philadelphia flights
San Francisco to Pittsburgh flights
Burbank to Philadelphia flights

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$111Average$228FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$135Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$171Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$244Average$492FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.