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Cheap flights from Knoxville to Los Angeles from $84

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Los Angeles departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:13 pm - 11:59 pm
TYS
-
ONT
6h 46m
1 stop
Frontier Logo
6:15 am - 3:25 pm
ONT
-
TYS
6h 10m
1 stop
$264Frontier
Mon, Mar 2 - Mon, Mar 9
Frontier Logo
4:28 pm - 11:55 pm
TYS
-
ONT
10h 27m
1 stop
Frontier Logo
12:59 am - 3:33 pm
ONT
-
TYS
11h 34m
1 stop
$280Frontier
Thu, Apr 23 - Sat, Apr 25
Frontier Logo
4:28 pm - 11:55 pm
TYS
-
ONT
10h 27m
1 stop
Frontier Logo
12:59 am - 3:33 pm
ONT
-
TYS
11h 34m
1 stop
$305Frontier
Thu, Apr 23 - Sat, Apr 25
Frontier Logo
8:12 pm - 11:59 pm
TYS
-
ONT
6h 47m
1 stop
Frontier Logo
6:10 am - 7:18 pm
ONT
-
TYS
10h 08m
1 stop
$316Frontier
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
6:54 pm - 10:36 pm
TYS
-
ONT
6h 42m
1 stop
American Airlines Logo
2:08 pm - 11:56 pm
ONT
-
TYS
6h 48m
1 stop
$319American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
6:21 pm - 10:30 pm
TYS
-
ONT
7h 09m
1 stop
American Airlines Logo
7:59 pm - 8:42 am
ONT
-
TYS
9h 43m
2 stops
$324American Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
7:20 am - 11:59 pm
TYS
-
ONT
43h 39m
2 stops
Multiple Airlines Logo
10:57 am - 10:39 pm
ONT
-
TYS
8h 42m
1 stop
$332Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
6:21 pm - 11:59 pm
TYS
-
ONT
8h 38m
1 stop
American Airlines Logo
7:59 pm - 8:42 am
ONT
-
TYS
9h 43m
2 stops
$344American Airlines
Thu, Mar 12 - Wed, Mar 18
Multiple Airlines Logo
8:30 am - 5:48 pm
TYS
-
ONT
36h 18m
2 stops
Multiple Airlines Logo
3:24 pm - 10:54 pm
ONT
-
TYS
28h 30m
1 stop
$348Multiple Airlines
Sun, Feb 22 - Thu, Feb 26
Frontier Logo
8:12 pm - 1:11 pm
TYS
-
ONT
19h 59m
2 stops
Frontier Logo
6:10 am - 7:18 pm
ONT
-
TYS
10h 08m
1 stop
$358Frontier
Fri, Feb 20 - Mon, Feb 23

Delta flights from Knoxville to Ontario

Our best Delta deals on Knoxville to Ontario flight tickets
Delta
Mar 25
TYS5:40 amKnoxville McGhee Tyson
9h 07m
1 stop
ONT11:47 amOntario
Apr 4
ONT12:57 pmOntario
8h 00m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
$359
Delta
May 27
TYS3:30 pmKnoxville McGhee Tyson
9h 24m
1 stop
ONT9:54 pmOntario
May 31
ONT11:04 pmOntario
9h 08m
1 stop
TYS11:12 amKnoxville McGhee Tyson
$368
Delta
May 28
TYS5:57 pmKnoxville McGhee Tyson
6h 57m
1 stop
ONT9:54 pmOntario
May 31
ONT11:04 pmOntario
9h 08m
1 stop
TYS11:12 amKnoxville McGhee Tyson
$417

Southwest flights from Knoxville to Ontario

Our best Southwest deals on Knoxville to Ontario flight tickets
Southwest
Mar 25
TYS6:20 pmKnoxville McGhee Tyson
6h 30m
1 stop
ONT9:50 pmOntario
Apr 4
ONT5:40 amOntario
7h 30m
2 stops
TYS4:10 pmKnoxville McGhee Tyson
$413
Southwest
Mar 25
TYS2:25 pmKnoxville McGhee Tyson
11h 10m
2 stops
ONT10:35 pmOntario
Apr 4
ONT5:40 amOntario
7h 30m
2 stops
TYS4:10 pmKnoxville McGhee Tyson
$418

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Ontario 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Knoxville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 3/2

8:13 pm-11:59 pm

1 stop6h 46m

Ontario

Mon 3/9

6:15 am-3:25 pm

1 stop6h 10m

$264

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 4/23

4:28 pm-11:55 pm

1 stop10h 27m

Ontario

Sat 4/25

12:59 am-3:33 pm

1 stop11h 34m

$280

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 4/23

4:28 pm-11:55 pm

1 stop10h 27m

Ontario

Sat 4/25

12:59 am-3:33 pm

1 stop11h 34m

$305

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 2/20

8:12 pm-11:59 pm

1 stop6h 47m

Ontario

Mon 2/23

6:10 am-7:18 pm

1 stop10h 08m

$316

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 4/15

6:54 pm-10:36 pm

1 stop6h 42m

Ontario

Wed 4/22

2:08 pm-11:56 pm

1 stop6h 48m

$319

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 3/11

6:21 pm-10:30 pm

1 stop7h 09m

Ontario

Wed 3/18

7:59 pm-8:42 am

2 stops9h 43m

$324

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 3/5

7:20 am-11:59 pm

2 stops43h 39m

Ontario

Mon 3/9

10:57 am-10:39 pm

1 stop8h 42m

$332

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 3/12

6:21 pm-11:59 pm

1 stop8h 38m

Ontario

Wed 3/18

7:59 pm-8:42 am

2 stops9h 43m

$344

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sun 2/22

8:30 am-5:48 pm

2 stops36h 18m

Ontario

Thu 2/26

3:24 pm-10:54 pm

1 stop28h 30m

$348

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 2/20

8:12 pm-1:11 pm

2 stops19h 59m

Ontario

Mon 2/23

6:10 am-7:18 pm

1 stop10h 08m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Knoxville to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Knoxville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $313. If you aren’t able to travel during the month of February, then book flights to Ontario from Knoxville during August instead. Flights to Ontario in August, while not as cheap as those in February, still average around $331.

How have Knoxville to Ontario flight prices changed over time?

When to book flights from Knoxville to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Ontario (TYS to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Ontario

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Knoxville to Ontario takes 6h 50m
There are no direct flights from Knoxville to Ontario. There are no popular flight routes from Knoxville to Ontario.
Search flight deals

  • How far is Knoxville McGhee Tyson to Ontario by plane?

    There are 1902.5 mi between Knoxville McGhee Tyson and Ontario. In terms of flight time, this usually takes a little over 6h 50m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Ontario Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Ontario Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Ontario?

Best airlines flying from Knoxville to Ontario

Compare and see reviews for airlines that fly from Knoxville to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $151Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,172 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to Ontario?

Once you have performed a search for Knoxville to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Knoxville to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Knoxville to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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