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Cheap flights from Knoxville to Los Angeles from $130

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 7/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$260Frontier
Wed, Aug 5 - Mon, Aug 10
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$279Frontier
Wed, Jul 15 - Fri, Jul 24
Frontier Logo
8:19 pm - 10:04 am
TYS
-
ONT
16h 45m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$282Frontier
Mon, Jul 27 - Wed, Aug 5
Frontier Logo
8:19 pm - 10:04 am
TYS
-
ONT
16h 45m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$284Frontier
Mon, Jul 27 - Wed, Aug 5
Multiple Airlines Logo
7:00 am - 11:50 pm
TYS
-
ONT
19h 50m
1 stop
Multiple Airlines Logo
9:33 am - 6:43 pm
ONT
-
TYS
30h 10m
1 stop
$286Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$295Frontier
Wed, Jul 22 - Wed, Jul 29
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$298Frontier
Mon, Aug 3 - Fri, Aug 7
Multiple Airlines Logo
7:00 am - 11:50 pm
TYS
-
ONT
19h 50m
1 stop
Multiple Airlines Logo
10:49 am - 2:01 pm
ONT
-
TYS
24h 12m
2 stops
$303Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$304Frontier
Wed, Jul 15 - Fri, Jul 24
Frontier Logo
8:19 pm - 11:50 pm
TYS
-
ONT
6h 31m
1 stop
Frontier Logo
6:00 am - 7:24 pm
ONT
-
TYS
10h 24m
1 stop
$310Frontier
Wed, Jul 15 - Wed, Jul 22

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Delta flights from Knoxville to Ontario

Our best Delta deals on Knoxville to Ontario flight tickets
Delta
Sep 18
TYS6:13 pmKnoxville McGhee Tyson
7h 13m
1 stop
ONT10:26 pmOntario
Sep 20
ONT10:00 pmOntario
8h 29m
1 stop
TYS9:29 amKnoxville McGhee Tyson
$457
Delta
Jul 9
TYS3:54 pmKnoxville McGhee Tyson
8h 56m
1 stop
ONT9:50 pmOntario
Jul 22
ONT10:00 pmOntario
8h 36m
1 stop
TYS9:36 amKnoxville McGhee Tyson
$466
Delta
Jul 7
TYS3:54 pmKnoxville McGhee Tyson
8h 56m
1 stop
ONT9:50 pmOntario
Jul 9
ONT10:00 pmOntario
8h 36m
1 stop
TYS9:36 amKnoxville McGhee Tyson
$559

United Airlines flights from Knoxville to Ontario

Our best United Airlines deals on Knoxville to Ontario flight tickets
United Airlines
Sep 17
TYS4:50 pmKnoxville McGhee Tyson
7h 03m
1 stop
ONT8:53 pmOntario
Sep 22
ONT1:18 pmOntario
6h 26m
1 stop
TYS10:44 pmKnoxville McGhee Tyson
$367
United Airlines
Sep 16
TYS4:50 pmKnoxville McGhee Tyson
7h 03m
1 stop
ONT8:53 pmOntario
Sep 23
ONT9:01 amOntario
10h 48m
2 stops
TYS10:49 pmKnoxville McGhee Tyson
$410
United Airlines
Sep 17
TYS6:02 pmKnoxville McGhee Tyson
7h 57m
1 stop
ONT10:59 pmOntario
Sep 22
ONT9:01 amOntario
12h 22m
2 stops
TYS12:23 amKnoxville McGhee Tyson
$414

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 June 27, 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

Cheapest round-trip
Quickest round-trip

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 8/5

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Mon 8/10

6:00 am-7:24 pm

1 stop10h 24m

$260

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/15

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Fri 7/24

6:00 am-7:24 pm

1 stop10h 24m

$279

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 7/27

8:19 pm-10:04 am

1 stop16h 45m

Ontario

Wed 8/5

6:00 am-7:24 pm

1 stop10h 24m

$282

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 7/27

8:19 pm-10:04 am

1 stop16h 45m

Ontario

Wed 8/5

6:00 am-7:24 pm

1 stop10h 24m

$284

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 8/13

7:00 am-11:50 pm

1 stop19h 50m

Ontario

Thu 8/20

9:33 am-6:43 pm

1 stop30h 10m

$286

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/22

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Wed 7/29

6:00 am-7:24 pm

1 stop10h 24m

$295

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 8/3

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Fri 8/7

6:00 am-7:24 pm

1 stop10h 24m

$298

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 8/13

7:00 am-11:50 pm

1 stop19h 50m

Ontario

Thu 8/20

10:49 am-2:01 pm

2 stops24h 12m

$303

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/15

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Fri 7/24

6:00 am-7:24 pm

1 stop10h 24m

$304

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/15

8:19 pm-11:50 pm

1 stop6h 31m

Ontario

Wed 7/22

6:00 am-7:24 pm

1 stop10h 24m

$310

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 typical price of a round-trip flight between Knoxville and Ontario?

What is the cheapest month to fly to Ontario?

In general, September 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 $368. If you aren’t able to travel during the month of September, then book flights to Ontario from Knoxville during October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $379.

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 31m

Direct flights

None
The fastest flight from Knoxville to Ontario takes 6h 31m
There are no direct flights from Knoxville to Ontario. There are no popular flight routes from Knoxville to Ontario.
Search flight deals

Frequently asked questions about flying from Knoxville to Ontario

  • 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 31m.

  • 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
5.6
2,864 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.8
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,778 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
9,894 reviews
Search United Airlines 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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