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$38+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PHX
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Phoenix are usually found in September or January, booked 74 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 April 1, 2025.

Round-trip from

$60
(Frontier)

One-way from

$47
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$147
From Riverside to Phoenix
Search Deals
One-way flight from Riverside to Phoenix
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Riverside to Phoenix

Cheapest flights from Riverside to Phoenix
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 April 1, 2025.

This Frontier deal was found by Cheapflights users on 3/31. 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.
Sat 4/268:05 pmLAX - PHX
Nonstop1h 37mFrontier
Mon 4/282:59 pmPHX - LAX
Nonstop1h 34mFrontier
Deal found 3/31$60
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:00 amLAX - PHX
1 stop4h 28mMultiple Airlines
Mon 4/282:59 pmPHX - LAX
Nonstop1h 34mMultiple Airlines
Deal found 3/31$82
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:55 amLAX - PHX
Nonstop1h 31mUnited Airlines
Sat 5/101:33 pmPHX - LAX
Nonstop1h 28mUnited Airlines
Deal found 3/30$92
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:30 amLAX - PHX
Nonstop1h 30mSouthwest
Mon 4/2810:05 pmPHX - LAX
Nonstop1h 25mSouthwest
Deal found 3/31$97
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/244:30 pmLAX - PHX
Nonstop1h 25mAmerican Airlines
Mon 4/286:43 amPHX - LAX
Nonstop1h 27mAmerican Airlines
Deal found 3/31$99
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:23 amLAX - PHX
1 stop3h 05mSpirit Airlines
Mon 4/282:34 pmPHX - LAX
1 stop7h 32mSpirit Airlines
Deal found 3/30$101
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:59 pmLAX - PHX
Nonstop1h 27mDelta
Sun 4/276:20 amPHX - LAX
Nonstop1h 35mDelta
Deal found 3/31$117
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/309:00 amLAX - AZA
2 stops29h 58mMultiple Airlines
Thu 5/2210:24 pmAZA - LAX
1 stop11h 11mMultiple Airlines
Deal found 3/31$185
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/82:24 pmLAX - AZA
1 stop23h 44mAllegiant Air
Sat 5/101:50 pmAZA - LAX
1 stop18h 49mAllegiant Air
Deal found 3/31$293
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/125:55 pmLAX - AZA
1 stop23h 23mSun Country Air
Wed 4/161:35 pmAZA - LAX
1 stop27h 40mSun Country Air
Deal found 3/31$519

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 April 1, 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

Sat 4/26

8:05 pm-9:42 pm

Nonstop1h 37m

Phoenix Sky Harbor Intl

Mon 4/28

2:59 pm-4:33 pm

Nonstop1h 34m

$60

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Thu 4/24

9:00 am-1:28 pm

1 stop4h 28m

Phoenix Sky Harbor Intl

Mon 4/28

2:59 pm-4:33 pm

Nonstop1h 34m

$82

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Sat 5/10

10:55 am-12:26 pm

Nonstop1h 31m

Phoenix Sky Harbor Intl

Sat 5/10

1:33 pm-3:01 pm

Nonstop1h 28m

$92

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Thu 4/24

10:30 am-12:00 pm

Nonstop1h 30m

Phoenix Sky Harbor Intl

Mon 4/28

10:05 pm-11:30 pm

Nonstop1h 25m

$97

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Thu 4/24

4:30 pm-5:55 pm

Nonstop1h 25m

Phoenix Sky Harbor Intl

Mon 4/28

6:43 am-8:10 am

Nonstop1h 27m

$99

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Thu 4/24

10:23 am-1:28 pm

1 stop3h 05m

Phoenix Sky Harbor Intl

Mon 4/28

2:34 pm-10:06 pm

1 stop7h 32m

$101

Los AngelesPhoenix

LAX - PHX

LAXPHX

Los Angeles

Fri 4/25

7:59 pm-9:26 pm

Nonstop1h 27m

Phoenix Sky Harbor Intl

Sun 4/27

6:20 am-7:55 am

Nonstop1h 35m

$117

Los AngelesPhoenix

LAX - AZA

LAXAZA

Los Angeles

Wed 4/30

9:00 am-2:58 pm

2 stops29h 58m

Phoenix-Mesa Gateway

Thu 5/22

10:24 pm-9:35 am

1 stop11h 11m

$185

Los AngelesPhoenix

LAX - AZA

LAXAZA

Los Angeles

Thu 5/8

2:24 pm-2:08 pm

1 stop23h 44m

Phoenix-Mesa Gateway

Sat 5/10

1:50 pm-8:39 am

1 stop18h 49m

$293

Los AngelesPhoenix

LAX - AZA

LAXAZA

Los Angeles

Sat 4/12

5:55 pm-5:18 pm

1 stop23h 23m

Phoenix-Mesa Gateway

Wed 4/16

1:35 pm-5:15 pm

1 stop27h 40m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 21 results
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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 March 28, 2025.

Booking 58 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, January is the cheapest month in which you can book a flight from Riverside to Phoenix (average of $258). Flying from Riverside to Phoenix in March is currently the most expensive (average of $337). 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 April 1, 2025.

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

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 Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to Phoenix

Explore weekly flight availability from Riverside to Phoenix. 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 April 1, 2025.

The most flights from R1V to PH1 are scheduled on a Monday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Phoenix by month

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

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

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

If weather is an important factor for your trip to Phoenix, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 April 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Riverside to Phoenix. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
731 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $47. Users have also found prices from $49 and $55 on United Airlines and Spirit Airlines, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Riverside to Phoenix consider choosing Envoy Air (97%), Finnair (94%) or China Southern (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Riverside to Phoenix?

    Looking for the cheapest flight from Riverside to Phoenix? While on average our users pay $651, our data indicates the cheapest price to be $47. The most popular route (Los Angeles - Phoenix Sky Harbor Intl), is priced around $60.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Riverside to Phoenix (average of $258). Flying from Riverside to Phoenix in March is currently the most expensive (average of $337). 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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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$34Average$116FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$42Average$134FlexibilityNo cancel feeOn-time65%
DeltaCheapest$78Average$186FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$99Average$256FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$101Average$243FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$108Average$277FlexibilityNo cancel feeOn-time71%
Southern / MokuleleCheapest$135Average$277FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$276Average$456FlexibilityNo cancel feeOn-time75%
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