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$121+ Cheap flights from Knoxville (TYS) 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LAX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Riverside are usually found in September or August, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Knoxville to Riverside

Keep the following information in mind while searching for Knoxville to Riverside flight deals. Data was last updated September 11, 2025.

Round-trip from

$187
(Priceline)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$373
From Knoxville McGhee Tyson to Riverside
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One-way flight from Knoxville McGhee Tyson to Riverside
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Highest demand for flights based on searches. 10% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Knoxville to Riverside

Cheapest flights from Knoxville to Riverside
Explore the most affordable flight options available from Knoxville to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/8. 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 9/258:40 pmTYS - LAX
1 stop6h 47mFrontier
Mon 9/296:35 amLAX - TYS
1 stop10h 10mFrontier
Deal found 9/8$168
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 11/91:16 pmTYS - LAX
2 stops21h 49mMultiple Airlines
Wed 11/122:13 pmLAX - TYS
1 stop25h 09mMultiple Airlines
Deal found 9/10$191
This Priceline deal was found by Cheapflights users on 9/11. 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 10/168:17 pmTYS - LAX
1 stop7h 08mFrontier
Mon 10/206:44 amLAX - TYS
1 stop9h 48mFrontier
Deal found 9/11$219
This Frontier deal was found by Cheapflights users on 9/11. 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 11/67:17 pmTYS - LAX
1 stop8h 08mFrontier
Sun 11/96:44 amLAX - TYS
1 stop8h 38mFrontier
Deal found 9/11$226
This Priceline deal was found by Cheapflights users on 9/11. 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 10/238:17 pmTYS - LAX
1 stop7h 08mFrontier
Sun 10/266:44 amLAX - TYS
1 stop9h 48mFrontier
Deal found 9/11$232
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/168:17 pmTYS - LAX
1 stop14h 18mMultiple Airlines
Mon 10/2011:15 amLAX - TYS
1 stop20h 18mMultiple Airlines
Deal found 9/11$238
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 11/137:17 pmTYS - LAX
1 stop8h 08mMultiple Airlines
Mon 11/1712:40 pmLAX - TYS
1 stop18h 54mMultiple Airlines
Deal found 9/11$239
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/14:49 pmTYS - LAX
1 stop9h 10mAmerican Airlines
Mon 10/61:30 amLAX - TYS
1 stop7h 15mAmerican Airlines
Deal found 9/9$243

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville 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 September 11, 2025.
Use the filters below to find and compare flights from Knoxville to Riverside that are best for you.

Fly from

Knoxville

Fly to

Riverside

Route

Depart

Return

Price

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Thu 10/16

8:17 pm-12:25 am

1 stop7h 08m

Los Angeles

Mon 10/20

6:44 am-7:32 pm

1 stop9h 48m

$219

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Thu 10/16

8:17 pm-7:35 am

1 stop14h 18m

Los Angeles

Mon 10/20

11:15 am-10:33 am

1 stop20h 18m

$238

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Wed 10/1

5:05 am-9:20 am

1 stop7h 15m

Los Angeles

Wed 10/1

2:18 pm-12:21 am

1 stop7h 03m

$243

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Wed 10/1

4:49 pm-10:59 pm

1 stop9h 10m

Los Angeles

Mon 10/6

1:30 am-11:45 am

1 stop7h 15m

$243

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Wed 10/1

6:40 am-12:48 pm

1 stop9h 08m

Los Angeles

Tue 10/7

9:45 pm-9:00 am

1 stop8h 15m

$277

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Thu 10/23

3:32 pm-10:55 pm

1 stop10h 23m

Los Angeles

Thu 10/30

2:25 pm-9:30 pm

2 stops28h 05m

$287

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Sun 10/26

7:00 am-2:31 pm

2 stops10h 31m

Los Angeles

Wed 10/29

8:48 pm-10:42 pm

1 stop22h 54m

$288

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Sun 9/28

5:08 pm-12:27 am

1 stop10h 19m

Los Angeles

Sun 10/5

6:35 am-4:18 pm

1 stop6h 43m

$291

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Sat 11/1

8:26 am-1:21 pm

1 stop7h 55m

Los Angeles

Fri 11/14

12:25 am-10:05 am

1 stop6h 40m

$299

KnoxvilleLos Angeles

TYS - LAX

TYSLAX

Knoxville McGhee Tyson

Sat 11/15

8:26 am-1:21 pm

1 stop7h 55m

Los Angeles

Fri 12/5

12:25 am-10:13 am

1 stop6h 48m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from Knoxville to Riverside

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

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Riverside. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to Riverside, you should look to book at least 74 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 Knoxville to Riverside?

Currently, January is the cheapest month in which you can book a flight from Knoxville to Riverside (average of $246). Flying from Knoxville to Riverside in March is currently the most expensive (average of $325). 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 TYS to R1V?

Find hourly flight availability from Knoxville 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 September 11, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Riverside. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Riverside flight should consider departing on Monday evenings 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.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Riverside to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    For a flight from Knoxville to Riverside, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 outbound flights to Riverside per day. 4 airlines have flights to Riverside from Knoxville McGhee Tyson on a regular basis.

  • How long is the flight from Knoxville to Riverside?

    Frontier, American Airlines, and Delta can get you from Knoxville to Riverside in just under 7h 08m. Your travel time can differ by up to 2h. There are 1944 mi between Knoxville and Riverside. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Riverside (average of $246). Flying from Knoxville to Riverside in March is currently the most expensive (average of $325). 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 4 airlines flying from Knoxville to Riverside

Discover the top 4 airlines that operate flights from Knoxville 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$290FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$255Average$428FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$508FlexibilityNo cancel feeOn-time69%
DeltaCheapest$282Average$397FlexibilityNo cancel feeOn-timeN/A

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