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$127+ Cheap flights from Riverside, CA to Knoxville (TYS)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — TYS
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Knoxville McGhee Tyson are usually found in August or September, booked 73 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Riverside to Knoxville

Keep the following information in mind while searching for Riverside to Knoxville flight deals. Data was last updated August 1, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$127
(FlightHub)

Popular in

January

Cheapest in

August

Average price

$350
From Riverside to Knoxville McGhee Tyson
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One-way flight from Riverside to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 17% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Riverside to Knoxville

Cheapest flights from Riverside to Knoxville
Explore the most affordable flight options available from Riverside to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:01 amLAX - TYS
1 stop7h 48mAmerican Airlines
Fri 9/124:49 pmTYS - LAX
1 stop7h 40mAmerican Airlines
Deal found 7/29$289
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:36 amLAX - TYS
1 stop9h 54mMultiple Airlines
Mon 9/88:30 amTYS - LAX
2 stops16h 43mMultiple Airlines
Deal found 7/30$290
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 11/1212:25 amLAX - TYS
1 stop6h 40mUnited Airlines
Mon 11/177:20 pmTYS - LAX
1 stop8h 39mUnited Airlines
Deal found 7/30$297
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 10/2911:33 amLAX - TYS
1 stop6h 40mDelta
Fri 10/315:44 amTYS - LAX
1 stop7h 10mDelta
Deal found 7/31$299
This Frontier deal was found by Cheapflights users on 7/30. 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.
Sun 8/176:15 amLAX - TYS
1 stop7h 14mFrontier
Thu 8/218:36 pmTYS - LAX
1 stop6h 51mFrontier
Deal found 7/30$308

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Knoxville 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 August 1, 2025.
Use the filters below to find and compare flights from Riverside to Knoxville that are best for you.

Fly from

Riverside

Fly to

Knoxville

Route

Depart

Return

Price

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Thu 9/4

6:01 am-4:49 pm

1 stop7h 48m

Knoxville McGhee Tyson

Fri 9/12

4:49 pm-9:29 pm

1 stop7h 40m

$289

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Fri 9/5

9:36 am-10:30 pm

1 stop9h 54m

Knoxville McGhee Tyson

Mon 9/8

8:30 am-10:13 pm

2 stops16h 43m

$290

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Wed 11/12

12:25 am-10:05 am

1 stop6h 40m

Knoxville McGhee Tyson

Mon 11/17

7:20 pm-12:59 am

1 stop8h 39m

$297

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Wed 10/29

11:33 am-9:13 pm

1 stop6h 40m

Knoxville McGhee Tyson

Fri 10/31

5:44 am-9:54 am

1 stop7h 10m

$299

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Sun 8/17

6:15 am-4:29 pm

1 stop7h 14m

Knoxville McGhee Tyson

Thu 8/21

8:36 pm-12:27 am

1 stop6h 51m

$308

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Sat 8/23

3:30 pm-7:41 pm

1 stop25h 11m

$127

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Sat 8/23

11:38 pm-8:22 pm

2 stops17h 44m

$143

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Tue 10/21

11:33 am-9:13 pm

1 stop6h 40m

$150

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Wed 8/6

10:25 am-10:35 pm

1 stop9h 10m

$179

Los AngelesKnoxville

LAX - TYS

LAXTYS

Los Angeles

Mon 8/25

7:00 am-11:11 am

2 stops25h 11m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 11 results
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Best time to book a flight from Riverside to Knoxville

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

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

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

The price you pay for your flight from Riverside to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Riverside to Knoxville (average of $294). Flying from Riverside to Knoxville in March is currently the most expensive (average of $376). 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 TYS?

Find hourly flight availability from Riverside to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

When flying from Riverside to Knoxville, 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 Riverside to Knoxville?

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

Travelers seeking maximum savings on their Riverside to Knoxville flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Riverside to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Riverside to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Frontier
5.9
Fair
3,239 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    For a flight from Riverside to Knoxville, you will be flying into 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 inbound flights from Riverside per day. 4 airlines have flights to Knoxville McGhee Tyson from Riverside on a regular basis.

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

    One-way options have recently been found by users for as low as $127 on Frontier. Other airlines that offer cheap prices include Delta from $150 and United Airlines from $179 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Riverside to Knoxville (average of $294). Flying from Riverside to Knoxville in March is currently the most expensive (average of $376). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Top 4 airlines flying from Riverside to Knoxville

Discover the top 4 airlines that operate flights from Riverside to Knoxville. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$276FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$239Average$485FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$450FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$400FlexibilityNo cancel feeOn-timeN/A

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