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Riverside

$74+ Cheap flights from Denver (DEN) 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Riverside are usually found in September or January, booked 58 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Denver to Riverside

Keep the following information in mind while searching for Denver to Riverside flight deals. Data was last updated July 3, 2025.

Round-trip from

$130
(Frontier)

One-way from

$74
(Priceline)

Popular in

June

Cheapest in

September

Average price

$197
From Denver Intl to Riverside
Search Deals
One-way flight from Denver Intl to Riverside
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 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 Denver to Riverside

Cheapest flights from Denver to Riverside
Explore the most affordable flight options available from Denver to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/3. 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 7/2210:55 pmDEN - LAX
Nonstop2h 32mFrontier
Wed 7/236:15 amLAX - DEN
Nonstop2h 36mFrontier
Deal found 7/3$130
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 8/2112:32 pmDEN - LAX
Nonstop2h 26mDelta
Mon 8/258:25 pmLAX - DEN
Nonstop2h 24mDelta
Deal found 7/2$157
This Southwest deal was found by Cheapflights users on 7/2. 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 8/214:35 pmDEN - LAX
Nonstop2h 30mSouthwest
Mon 8/256:05 pmLAX - DEN
1 stop3h 50mSouthwest
Deal found 7/2$163

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 July 3, 2025.
Use the filters below to find and compare flights from Denver to Riverside that are best for you.

Fly from

Denver

Fly to

Riverside

Route

Depart

Return

Price

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Tue 7/22

10:55 pm-12:27 am

Nonstop2h 32m

Los Angeles

Wed 7/23

6:15 am-9:51 am

Nonstop2h 36m

$130

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 8/21

12:32 pm-1:58 pm

Nonstop2h 26m

Los Angeles

Mon 8/25

8:25 pm-11:49 pm

Nonstop2h 24m

$157

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 8/21

4:35 pm-6:05 pm

Nonstop2h 30m

Los Angeles

Mon 8/25

6:05 pm-10:55 pm

1 stop3h 50m

$163

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Mon 7/21

8:25 am-9:57 am

Nonstop2h 32m

$74

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 8/7

12:30 pm-1:56 pm

Nonstop2h 26m

$79

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 10/1

11:40 am-5:21 pm

1 stop6h 41m

$88

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Mon 8/18

6:00 am-6:29 pm

2 stops13h 29m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Denver to Riverside

Have a flexible travel schedule? Discover the best time to fly to Riverside from Denver 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 Denver to Riverside

How far ahead should I book a flight from Denver to Riverside?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Riverside. Price data was last updated on June 27, 2025.

The best time to book flights from Denver to Riverside is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Riverside?

Currently, January is the cheapest month in which you can book a flight from Denver to Riverside (average of $246). Flying from Denver 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 DEN to R1V?

Find hourly flight availability from Denver 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 3, 2025.

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

What is the cheapest day to fly from Denver to Riverside?

Use this chart to determine the cheapest time to fly round-trip from Denver to Riverside. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Denver to Riverside flight should consider departing on Friday at noon 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.

Weekly flight availability from Denver to Riverside

Explore weekly flight availability from Denver 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 July 3, 2025.

The most flights from DEN to R1V are scheduled on a Thursday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Denver to Riverside have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

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

Find useful and relevant information for your journey from Denver 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 Denver to Riverside?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Riverside. 5 airlines have flights from Denver Intl to Riverside on a regular basis. Booking flights from Denver Intl to Riverside should not be difficult; the airport handles an average of 64 outbound flights to Riverside per day.

  • How popular is this Denver to Riverside flight route?

    This flight path from Denver Intl to Riverside was viewed by 412 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 Denver to Riverside one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. Delta flights start at $79 while deals on Hawaiian Airlines start at $88 one-way.

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

    The top 3 most reliable airlines when flying from Denver to Riverside are China Eastern (92%), WestJet (92%) and Avianca (91%).

  • What are the cheapest flights from Denver to Riverside?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Denver Intl - Los Angeles) can be booked for $98 on average our data indicates $2,303 when flying from Denver to Riverside.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Riverside (average of $246). Flying from Denver 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

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Top 5 airlines flying from Denver to Riverside

Discover the top 5 airlines that operate flights from Denver 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$145FlexibilityNo cancel feeOn-time62%
DeltaCheapest$104Average$240FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$118Average$278FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$139Average$222FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$140Average$309FlexibilityNo cancel feeOn-time69%

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