$40+ Cheap flights from Riverside, CA to Phoenix
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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHX
Dec 2 — Dec 91
1 adult, Economy
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Find cheap flights from Riverside to Phoenix 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 Phoenix are usually found in January or December, booked 88 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from Riverside to Phoenix
Keep the following information in mind while searching for Riverside to Phoenix flight deals. Data was last updated November 2, 2025.
Round-trip from | $63 (Priceline) |
|---|---|
One-way from | $40 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $154 |
Find flight deals from Riverside to Phoenix
Cheapest flights from Riverside to PhoenixExplore the most affordable flight options available from Riverside to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
Explore the most affordable flight options available from Riverside to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:01 pmLAX - PHX
Nonstop1h 32mFrontier
Sun 12/211:02 pmPHX - LAX
Nonstop1h 33mFrontier
Deal found 10/30![Frontier logo]()
$63
This CheapOair deal was found by Cheapflights users on 10/31. 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.
Sat 12/209:15 amLAX - PHX
Nonstop1h 26mFrontier
Wed 12/247:45 amPHX - LAX
Nonstop1h 30mFrontier
Deal found 10/31![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 12/128:57 pmLAX - PHX
Nonstop1h 29mFrontier
Sun 12/149:30 amPHX - LAX
Nonstop1h 33mFrontier
Deal found 10/31![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Mon 12/229:15 amLAX - PHX
Nonstop1h 26mFrontier
Sat 12/277:45 amPHX - LAX
Nonstop1h 30mFrontier
Deal found 10/31![Frontier logo]()
$68
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:15 amLAX - PHX
Nonstop1h 26mFrontier
Sun 12/211:02 pmPHX - LAX
Nonstop1h 33mFrontier
Deal found 10/30![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 10/31. 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.
Thu 12/1112:20 pmLAX - PHX
Nonstop1h 31mFrontier
Sun 12/149:30 amPHX - LAX
Nonstop1h 33mFrontier
Deal found 10/31![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 11/157:48 pmLAX - PHX
Nonstop1h 35mFrontier
Wed 12/310:05 amPHX - LAX
Nonstop1h 34mFrontier
Deal found 10/30![Frontier logo]()
$72
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:48 pmLAX - PHX
Nonstop1h 35mFrontier
Thu 12/119:30 amPHX - LAX
Nonstop1h 33mFrontier
Deal found 10/30![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 10/31. 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.
Mon 12/18:01 pmLAX - PHX
Nonstop1h 26mFrontier
Tue 12/210:05 amPHX - LAX
Nonstop1h 34mFrontier
Deal found 10/31![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/127:48 pmLAX - PHX
Nonstop1h 35mFrontier
Sat 11/155:16 pmPHX - LAX
Nonstop1h 28mFrontier
Deal found 10/29![Frontier logo]()
$77
This Priceline deal was found by Cheapflights users on 11/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:22 pmLAX - PHX
Nonstop1h 32mFrontier
Fri 12/2612:51 pmPHX - LAX
Nonstop1h 31mFrontier
Deal found 11/1![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 11/1. 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.
Mon 12/229:15 amLAX - PHX
Nonstop1h 26mFrontier
Fri 12/267:45 amPHX - LAX
Nonstop1h 30mFrontier
Deal found 11/1![Frontier logo]()
$80
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Phoenix 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 November 2, 2025.
Use the filters below to find and compare flights from Riverside to Phoenix that are best for you.
Fly from
Riverside
Fly to
Phoenix
Route
Depart
Return
Price
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Wed 1/28
1:10 pm-7:55 pm
2 stops5h 45m
Phoenix Sky Harbor Intl
Sun 2/8
8:55 pm-9:25 pm
Nonstop1h 30m
$132
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Thu 12/4
5:54 pm-8:20 pm
Nonstop1h 26m
Phoenix Sky Harbor Intl
Sun 12/7
7:15 am-7:51 am
Nonstop1h 36m
$137
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Mon 12/15
4:55 pm-10:05 pm
1 stop4h 10m
Phoenix Sky Harbor Intl
Wed 12/17
12:50 pm-5:55 pm
2 stops6h 05m
$162
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Thu 1/8
8:59 pm-11:31 pm
Nonstop1h 32m
Phoenix Sky Harbor Intl
Tue 7/14
10:15 am-11:51 am
Nonstop1h 36m
$173
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Wed 1/7
8:59 pm-11:31 pm
Nonstop1h 32m
Phoenix Sky Harbor Intl
Thu 7/16
12:10 pm-1:43 pm
Nonstop1h 33m
$173
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Thu 1/8
8:59 pm-11:31 pm
Nonstop1h 32m
Phoenix Sky Harbor Intl
Thu 7/16
7:25 pm-9:02 pm
Nonstop1h 37m
$173
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Tue 1/6
5:23 pm-7:47 pm
Nonstop1h 24m
Phoenix Sky Harbor Intl
Fri 7/17
7:25 pm-9:02 pm
Nonstop1h 37m
$173
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Thu 1/8
8:59 pm-11:31 pm
Nonstop1h 32m
Phoenix Sky Harbor Intl
Fri 7/17
7:25 pm-9:02 pm
Nonstop1h 37m
$173
Los AngelesPhoenix
LAX - PHX
LAXPHX
Los Angeles
Fri 1/9
8:40 am-11:05 am
Nonstop1h 25m
Phoenix Sky Harbor Intl
Mon 7/13
10:15 am-11:51 am
Nonstop1h 36m
$173
Los AngelesPhoenix
LAX - AZA
LAXAZA
Los Angeles
Fri 11/14
9:04 am-12:05 pm
2 stops26h 01m
Phoenix-Mesa Gateway
Mon 11/17
2:11 pm-8:14 am
2 stops19h 03m
$371
Showing 1-10 of 38 results
Best time to book a flight from Riverside to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix 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 Phoenix
How far ahead should I book a flight from Riverside to Phoenix?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Phoenix. Price data was last updated on October 31, 2025.
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Riverside to Phoenix?
Currently, November is the cheapest month in which you can book a flight from Riverside to Phoenix (average of $21). Flying from Riverside to Phoenix in July is currently the most expensive (average of $82). 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 PHX?
Find hourly flight availability from Riverside to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.
A simple way to save on the total cost of your ticket is to fly from Riverside to Phoenix at noon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Riverside to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Phoenix. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Phoenix flight should consider departing on Wednesday mornings 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.
Reviews of airlines servicing Phoenix
Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated November 2, 2025.
Read through reviews of airlines operating flights from Riverside to Phoenix, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Riverside to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Riverside to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Riverside to Phoenix
Discover the top 8 airlines that operate flights from Riverside to Phoenix. 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 November 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$145 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$42 | Average$149 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$264 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$106 | Average$257 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$108 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$118 | Average$384 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$139 | Average$267 | FlexibilityNo cancel fee | On-timeN/A |