What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Riverside one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Phoenix Sky Harbor Intl Airport to Riverside for a low price.

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.

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).

What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Riverside?

On average you can expect to pay $1,812 for a flight from Phoenix Sky Harbor Intl Airport to Riverside. The cheapest flight overall is $58 while the most popular route, (Phoenix Sky Harbor Intl - Los Angeles) is currently priced at $71.

What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Riverside?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Riverside on time: Air France (98%), Aeromexico (97%), SAUDIA (96%).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Riverside?

When booking a flight from Phoenix Sky Harbor Intl Airport to Riverside, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Riverside?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to Riverside. Flights to Riverside from Phoenix Sky Harbor Intl Airport in August are about $134 on average during August, but can be found for as low as $39.

Can I find deals for flights from Sky Harbor Intl to Riverside that include hotel bookings?

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

How can I find direct flights from Sky Harbor Intl to Riverside?

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

Can I find deals for business class flights from Sky Harbor Intl to Riverside?

Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

$54+ Flights from Phoenix Sky Harbor Intl Airport to Riverside

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Riverside are usually found in August or January, booked 42 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Sky Harbor Intl to Riverside

Round-trip from	$90 (Cheapflightsfares)
One-way from	$54 (CheapOair)
Popular in	June
Cheapest in	August
Average price	$153

From Phoenix Sky Harbor Intl to Riverside

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One-way flight from Phoenix Sky Harbor Intl to Riverside

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Highest demand for flights based on searches. 17% potential increase in price ($27 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Sky Harbor Intl to Riverside

Cheapest flights from Sky Harbor Intl to Riverside
Explore the most affordable flight options available from Sky Harbor Intl to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 8/237:00 amPHX - LAX

Nonstop1h 29mFrontier

Sun 8/249:58 pmLAX - PHX

Nonstop1h 42mFrontier

Deal found 7/29

$90

Tue 9/164:11 pmPHX - LAX

Nonstop1h 32mDelta

Wed 10/89:45 pmLAX - PHX

Nonstop1h 28mDelta

Deal found 7/28

$117

Thu 9/112:25 pmPHX - LAX

Nonstop1h 28mMultiple Airlines

Thu 9/187:40 pmLAX - PHX

1 stop11h 40mMultiple Airlines

Deal found 7/28

$140

Best flights from Sky Harbor Intl to Riverside
Discover carefully curated flight deals from Sky Harbor Intl to Riverside that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 8/237:00 amPHX - LAX

Nonstop1h 29mFrontier

Sun 8/249:58 pmLAX - PHX

Nonstop1h 42mFrontier

Deal found 7/29

$90

Tue 9/164:11 pmPHX - LAX

Nonstop1h 32mDelta

Wed 10/89:45 pmLAX - PHX

Nonstop1h 28mDelta

Deal found 7/28

$117

Thu 9/112:25 pmPHX - LAX

Nonstop1h 28mMultiple Airlines

Thu 9/187:40 pmLAX - PHX

1 stop11h 40mMultiple Airlines

Deal found 7/28

$140

Last-minute flights from Sky Harbor Intl to Riverside
Discover last-minute flight deals from Sky Harbor Intl to Riverside. Data last updated July 29, 2025 and is based on user searches.

Thu 8/76:05 amPHX - LAX

Nonstop1h 29mFrontier

Sat 8/92:24 pmLAX - PHX

Nonstop1h 40mFrontier

Deal found 7/28

$92

Thu 8/71:00 pmPHX - LAX

1 stop3h 02mMultiple Airlines

Sat 8/92:24 pmLAX - PHX

Nonstop1h 40mMultiple Airlines

Deal found 7/26

$201

Sat 8/237:00 amPHX - LAX

Nonstop1h 29mFrontier

Sun 8/249:58 pmLAX - PHX

Nonstop1h 42mFrontier

Deal found 7/29

$90

Tue 8/264:10 pmPHX - LAX

Nonstop1h 31mDelta

Tue 9/27:00 amLAX - PHX

Nonstop1h 29mDelta

Deal found 7/27

$117

One-way flights from Sky Harbor Intl to Riverside
Search for one-way flight options from Sky Harbor Intl to Riverside. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Thu 10/1612:10 pmPHX - LAX

Nonstop1h 30mFrontier

Deal found 7/29

$54

Tue 9/169:08 amPHX - LAX

Nonstop1h 40mDelta

Deal found 7/29

$59

Mon 10/275:30 amPHX - LAX

Nonstop1h 41mUnited Airlines

Deal found 7/28

$79

Sat 9/1312:20 pmPHX - LAX

1 stop3h 50mSouthwest

Deal found 7/27

$80

Wed 9/1011:28 amPHX - LAX

2 stops7h 42mAlaska Airlines

Deal found 7/29

$116

Sun 8/101:00 pmPHX - LAX

1 stop3h 02mSouthern / Mokulele

Deal found 7/27

$125

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Riverside that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Sat 8/23

7:00 am-8:29 am

Nonstop1h 29m

Los Angeles

Sun 8/24

9:58 pm-11:40 pm

Nonstop1h 42m

$90

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Tue 9/16

4:11 pm-5:43 pm

Nonstop1h 32m

Los Angeles

Wed 10/8

9:45 pm-11:13 pm

Nonstop1h 28m

$117

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Thu 9/11

2:25 pm-3:53 pm

Nonstop1h 28m

Los Angeles

Thu 9/18

7:40 pm-7:20 am

1 stop11h 40m

$140

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Thu 10/16

12:10 pm-1:40 pm

Nonstop1h 30m

$54

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Tue 9/16

9:08 am-10:48 am

Nonstop1h 40m

$59

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Mon 10/27

5:30 am-7:11 am

Nonstop1h 41m

$79

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Sat 9/13

12:20 pm-4:10 pm

1 stop3h 50m

$80

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Wed 9/10

11:28 am-7:10 pm

2 stops7h 42m

$116

PhoenixLos Angeles

PHX - LAX

PHXLAX

Phoenix Sky Harbor Intl

Sun 8/10

1:00 pm-4:02 pm

1 stop3h 02m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Sky Harbor Intl to Riverside

Have a flexible travel schedule? Discover the best time to fly to Riverside from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Riverside

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Riverside?

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Riverside, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Riverside?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Riverside (average of $246). Flying from Phoenix Sky Harbor Intl Airport to Riverside in March is currently the most expensive (average of $326). 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 PHX to R1V?

When flying from Phoenix Sky Harbor Intl Airport to Riverside, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Riverside?

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Riverside flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Riverside

The most flights from PHX to R1V are scheduled on a Monday (91 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Reviews of airlines servicing Riverside

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Phoenix Sky Harbor Intl Airport to Riverside. 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,238 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,979 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,896 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Riverside one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Phoenix Sky Harbor Intl Airport to Riverside for a low price.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Riverside?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Riverside on time: Air France (98%), Aeromexico (97%), SAUDIA (96%).
What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Riverside?
On average you can expect to pay $1,812 for a flight from Phoenix Sky Harbor Intl Airport to Riverside. The cheapest flight overall is $58 while the most popular route, (Phoenix Sky Harbor Intl - Los Angeles) is currently priced at $71.
Can I find deals for flights from Sky Harbor Intl to Riverside that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Riverside flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Riverside?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Riverside.
Can I find deals for business class flights from Sky Harbor Intl to Riverside?
Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Riverside?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Riverside (average of $246). Flying from Phoenix Sky Harbor Intl Airport to Riverside in March is currently the most expensive (average of $326). 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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Sky Harbor Intl to Riverside

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$38	Average$130	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$78	Average$162	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$79	Average$158	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$97	Average$188	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$97	Average$252	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$97	Average$246	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$197	Average$397	FlexibilityNo cancel fee	On-time75%

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$54+ Cheap flights from Sky Harbor Intl (PHX) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Riverside with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Riverside are usually found in August or January, booked 42 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Sky Harbor Intl to Riverside

Keep the following information in mind while searching for Sky Harbor Intl to Riverside flight deals. Data was last updated July 29, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sky Harbor Intl to Riverside

Cheapest flights from Sky Harbor Intl to RiversideExplore the most affordable flight options available from Sky Harbor Intl to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Sky Harbor Intl to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Riverside that are best for you.

Best time to book a flight from Sky Harbor Intl to Riverside

Have a flexible travel schedule? Discover the best time to fly to Riverside from Sky Harbor Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Riverside

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Riverside?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Riverside. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Riverside?

What is the cheapest time of day to fly from PHX to R1V?

Find hourly flight availability from Sky Harbor Intl 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 July 29, 2025.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Riverside?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Riverside. Price data was last updated on July 27, 2025.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Riverside

Reviews of airlines servicing Riverside

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Riverside. 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 Phoenix Sky Harbor Intl Airport to Riverside one-way?

What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Riverside?

What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Riverside?

Can I find deals for flights from Sky Harbor Intl to Riverside that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Riverside?

Can I find deals for business class flights from Sky Harbor Intl to Riverside?

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Riverside?

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 Sky Harbor Intl to Riverside

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Sky Harbor Intl to Riverside

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Cheapest flights from Sky Harbor Intl to Riverside
Explore the most affordable flight options available from Sky Harbor Intl to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.