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 $91 on Frontier. Other airlines that offer cheap prices include Delta from $149 and American Airlines from $172 one-way.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

If weather is an important factor for your trip to Knoxville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular airlines that fly from Riverside to Knoxville?

Before booking your flight from Riverside to Knoxville check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

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

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 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. 6 airlines have flights to Knoxville McGhee Tyson from Riverside on a regular basis.

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.

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Find flight deals from Riverside to Knoxville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	February
Average price	$511

Provider with most accurate pricing for Los Angeles-Knoxville McGhee Tyson flight deals.

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Provider most trusted by Cheapflights users for Los Angeles-Knoxville McGhee Tyson flights.

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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Knoxville

Read through reviews of airlines operating flights from Riverside to Knoxville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Southwest

7.9

Good

4,220 reviews

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

Delta

7.8

Good

8,679 reviews

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

United Airlines

7.3

Good

10,430 reviews

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

American Airlines

7.0

Good

12,193 reviews

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

Frontier

5.5

Fair

2,520 reviews

Southwest

7.9

Good

4,220 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

Related info for your journey

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. 6 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 $91 on Frontier. Other airlines that offer cheap prices include Delta from $149 and American Airlines from $172 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.

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Top 6 airlines flying from Riverside to Knoxville

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$142	Average$296	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$229	Average$432	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$279	Average$516	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$289	Average$534	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$319	Average$537	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$351	Average$502	FlexibilityNo cancel fee	On-time63%

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Find cheap flights from Riverside to Knoxville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Riverside to Knoxville

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Knoxville

Read through reviews of airlines operating flights from Riverside to Knoxville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Knoxville from Riverside?

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

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

How can I find direct flights from Riverside to Knoxville?

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

Traveling to a place near Knoxville?

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 Riverside to Knoxville

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

Complete your trip

Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Riverside to Knoxville by cabin class

Find flights from Riverside to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Knoxville

Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.

Riverside and Knoxville flights

Browse other Riverside and Knoxville flight options. Last updated on October 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Riverside to Knoxville flights

Consider these flights traveling from Riverside to Knoxville.

Top 6 airlines flying from Riverside to Knoxville

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Cheap flights from Riverside, CA to Knoxville (TYS)

Find cheap flights from Riverside to Knoxville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Riverside to Knoxville

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Knoxville

Read through reviews of airlines operating flights from Riverside to Knoxville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Knoxville from Riverside?

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

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

How can I find direct flights from Riverside to Knoxville?

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

Traveling to a place near Knoxville?

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 Riverside to Knoxville

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

Complete your trip

Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Riverside to Knoxville by cabin class

Find flights from Riverside to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Knoxville

Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.

Riverside and Knoxville flights

Browse other Riverside and Knoxville flight options. Last updated on October 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Riverside to Knoxville flights

Consider these flights traveling from Riverside to Knoxville.

Top 6 airlines flying from Riverside to Knoxville

100% Free

Book with Flexibility

Travel Smart