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Cheap flights from Knoxville to Los Angeles from $117

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 9/10. 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.
American Airlines Logo
2:43 pm - 6:53 pmTYS  Knoxville McGhee Tyson-ONT Ontario
7h 10m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 11:22 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 45m1 stop Dallas/Fort Worth
$277American Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
6:00 am - 9:29 amTYS  Knoxville McGhee Tyson-ONT Ontario
6h 29m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 11:22 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 45m1 stop Dallas/Fort Worth
$299American Airlines
Wed, Sep 23 - Mon, Sep 28
American Airlines Logo
6:00 am - 9:29 amTYS  Knoxville McGhee Tyson-ONT Ontario
6h 29m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 11:22 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 45m1 stop Dallas/Fort Worth
$300American Airlines
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
7:00 am - 11:47 pmTYS  Knoxville McGhee Tyson-ONT Ontario
19h 47m1 stop Denver Intl
Multiple Airlines Logo
6:45 pm - 10:04 amONT  Ontario-TYS Knoxville McGhee Tyson
36h 19m2 stops Houston George Bush Intcntl Fort Lauderdale
$319Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
12:49 pm - 9:09 amTYS  Knoxville McGhee Tyson-ONT Ontario
23h 20m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:35 pm - 1:11 pmONT  Ontario-TYS Knoxville McGhee Tyson
19h 36m1 stop Denver Intl
$321Multiple Airlines
Fri, Oct 23 - Wed, Oct 28
Multiple Airlines Logo
12:57 pm - 11:50 pmTYS  Knoxville McGhee Tyson-ONT Ontario
37h 53m2 stops Philadelphia Denver Intl
Multiple Airlines Logo
2:35 pm - 1:11 pmONT  Ontario-TYS Knoxville McGhee Tyson
19h 36m1 stop Denver Intl
$321Multiple Airlines
Fri, Oct 23 - Wed, Oct 28
United Airlines Logo
5:05 pm - 8:51 pmTYS  Knoxville McGhee Tyson-ONT Ontario
6h 46m1 stop Denver Intl
United Airlines Logo
5:00 am - 4:04 pmONT  Ontario-TYS Knoxville McGhee Tyson
8h 04m1 stop Denver Intl
$339United Airlines
Thu, Oct 29 - Sat, Oct 31
United Airlines Logo
6:45 am - 12:33 pmTYS  Knoxville McGhee Tyson-ONT Ontario
8h 48m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
1:29 pm - 10:29 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 00m1 stop Denver Intl
$344United Airlines
Thu, Oct 29 - Sat, Oct 31
Delta Logo
5:40 am - 10:42 amTYS  Knoxville McGhee Tyson-ONT Ontario
8h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 10:39 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 39m1 stop Atlanta Hartsfield-Jackson
$377Delta
Thu, Sep 3 - Sun, Sep 6
Delta Logo
4:11 pm - 9:54 pmTYS  Knoxville McGhee Tyson-ONT Ontario
8h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:15 pm - 10:54 amONT  Ontario-TYS Knoxville McGhee Tyson
8h 39m1 stop Atlanta Hartsfield-Jackson
$383Delta
Thu, Oct 8 - Mon, Oct 12

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American Airlines flights from Knoxville to Ontario

Our best American Airlines deals on Knoxville to Ontario flight tickets
American Airlines
Sep 22
TYS2:43 pmKnoxville McGhee Tyson
7h 10m
1 stop
ONT6:53 pmOntario
Sep 26
ONT12:37 pmOntario
7h 45m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
$277
American Airlines
Sep 23
TYS6:00 amKnoxville McGhee Tyson
6h 29m
1 stop
ONT9:29 amOntario
Sep 28
ONT12:37 pmOntario
7h 45m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
$299
American Airlines
Sep 23
TYS6:00 amKnoxville McGhee Tyson
6h 29m
1 stop
ONT9:29 amOntario
Sep 28
ONT12:37 pmOntario
7h 45m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
$300

Southwest flights from Knoxville to Ontario

Our best Southwest deals on Knoxville to Ontario flight tickets
Southwest
Nov 3
TYS4:15 pmKnoxville McGhee Tyson
8h 25m
1 stop
ONT9:40 pmOntario
Nov 19
ONT11:25 amOntario
5h 20m
1 stop
TYS7:45 pmKnoxville McGhee Tyson
$353
Southwest
Nov 3
TYS4:15 pmKnoxville McGhee Tyson
8h 25m
1 stop
ONT9:40 pmOntario
Nov 19
ONT6:50 amOntario
9h 55m
2 stops
TYS7:45 pmKnoxville McGhee Tyson
$358
Southwest
Nov 3
TYS7:05 amKnoxville McGhee Tyson
10h 35m
2 stops
ONT2:40 pmOntario
Nov 19
ONT6:25 amOntario
10h 20m
2 stops
TYS7:45 pmKnoxville McGhee Tyson
$364

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 August 15, 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

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Tue 9/22

2:43 pm-6:53 pm

1 stop7h 10m

Ontario

Sat 9/26

12:37 pm-11:22 pm

1 stop7h 45m

$277
Quickest round-trip

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Wed 9/23

6:00 am-9:29 am

1 stop6h 29m

Ontario

Mon 9/28

12:37 pm-11:22 pm

1 stop7h 45m

$299

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Wed 9/23

6:00 am-9:29 am

1 stop6h 29m

Ontario

Mon 9/28

12:37 pm-11:22 pm

1 stop7h 45m

$300

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Thu 9/10

7:00 am-11:47 pm

1 stop19h 47m

Ontario

Mon 9/14

6:45 pm-10:04 am

2 stops36h 19m

$319

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Fri 10/23

12:49 pm-9:09 am

1 stop23h 20m

Ontario

Wed 10/28

2:35 pm-1:11 pm

1 stop19h 36m

$321

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Fri 10/23

12:57 pm-11:50 pm

2 stops37h 53m

Ontario

Wed 10/28

2:35 pm-1:11 pm

1 stop19h 36m

$321

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Thu 10/29

5:05 pm-8:51 pm

1 stop6h 46m

Ontario

Sat 10/31

5:00 am-4:04 pm

1 stop8h 04m

$339

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Thu 10/29

6:45 am-12:33 pm

2 stops8h 48m

Ontario

Sat 10/31

1:29 pm-10:29 pm

1 stop6h 00m

$344

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Thu 9/3

5:40 am-10:42 am

1 stop8h 02m

Ontario

Sun 9/6

12:00 pm-10:39 pm

1 stop7h 39m

$377

KnoxvilleOntario

TYS Knoxville McGhee Tyson - ONT Ontario

TYSONT

Knoxville McGhee Tyson

Thu 10/8

4:11 pm-9:54 pm

1 stop8h 43m

Ontario

Mon 10/12

11:15 pm-10:54 am

1 stop8h 39m

$383

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?

Prices are currently low for flights on this route.

Typical prices usually range from $536 to $815.
The lowest price recently found on this route was $277.

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
2,694 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.8
8,509 reviews
Search Delta flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
American AirlinesPriceFrom $339Free CancellationRating
7.1
11,939 reviews
Search American 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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