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Cheap flights from Kentucky to Los Angeles from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Los Angeles departing on 5/13. 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 Kentucky to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:17 pm - 11:49 pm
BNA
-
ONT
6h 32m
1 stop
Frontier Logo
8:30 am - 5:59 pm
ONT
-
BNA
7h 29m
1 stop
$160Frontier
Mi, Mai 6 - Mo, Mai 11
Frontier Logo
8:40 pm - 7:32 pm
CVG
-
ONT
25h 52m
1 stop
Frontier Logo
8:44 am - 7:35 pm
ONT
-
CVG
7h 51m
1 stop
$160Frontier
Do, Mai 7 - Mo, Mai 11
Multiple Airlines Logo
8:32 pm - 10:05 am
TYS
-
ONT
16h 33m
1 stop
Multiple Airlines Logo
6:00 am - 1:59 pm
ONT
-
TYS
28h 59m
1 stop
$316Multiple Airlines
Mo, Mai 18 - Sa, Mai 23
Multiple Airlines Logo
6:30 am - 7:51 pm
TYS
-
ONT
16h 21m
2 stops
Multiple Airlines Logo
6:00 am - 1:52 pm
ONT
-
TYS
28h 52m
1 stop
$325Multiple Airlines
Fr, Jun 12 - Mi, Jun 17
American Airlines Logo
5:41 pm - 10:38 pm
LEX
-
ONT
7h 57m
1 stop
American Airlines Logo
10:10 pm - 9:11 am
ONT
-
LEX
8h 01m
1 stop
$331American Airlines
Di, Jun 23 - Di, Jul 7
American Airlines Logo
5:41 pm - 11:59 pm
LEX
-
ONT
9h 18m
1 stop
American Airlines Logo
7:14 pm - 9:11 am
ONT
-
LEX
10h 57m
2 stops
$336American Airlines
Di, Jun 23 - Di, Jul 7
Delta Logo
6:00 am - 10:57 am
SDF
-
ONT
7h 57m
1 stop
Delta Logo
10:00 pm - 8:56 am
ONT
-
SDF
7h 56m
1 stop
$348Delta
Do, Mai 14 - Di, Mai 19
Delta Logo
6:00 am - 10:57 am
SDF
-
ONT
7h 57m
1 stop
Delta Logo
5:50 pm - 9:59 am
ONT
-
SDF
13h 09m
2 stops
$353Delta
Do, Mai 14 - Di, Mai 19
Southwest Logo
6:15 am - 10:00 am
SDF
-
ONT
6h 45m
1 stop
Southwest Logo
9:40 pm - 10:05 am
ONT
-
SDF
9h 25m
2 stops
$360Southwest
Do, Jun 4 - Mo, Jun 8
Southwest Logo
1:10 pm - 8:10 pm
SDF
-
ONT
10h 00m
2 stops
Southwest Logo
9:40 pm - 10:05 am
ONT
-
SDF
9h 25m
2 stops
$366Southwest
Do, Jun 4 - Mo, Jun 8

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Frontier flights from Kentucky to Ontario

Our best Frontier deals on Kentucky to Ontario flight tickets
Frontier
May 6
BNA7:17 pmNashville Intl
6h 32m
1 stop
ONT11:49 pmOntario
May 11
ONT8:30 amOntario
7h 29m
1 stop
BNA5:59 pmNashville Intl
$160
Frontier
May 14
CVG8:40 pmCincinnati Cinci./N. Kentucky
25h 52m
1 stop
ONT7:32 pmOntario
May 23
ONT8:43 amOntario
6h 34m
1 stop
CVG6:17 pmCincinnati Cinci./N. Kentucky
$162
Frontier
May 6
BNA7:17 pmNashville Intl
6h 32m
1 stop
ONT11:49 pmOntario
May 12
ONT6:00 amOntario
10h 22m
1 stop
BNA6:22 pmNashville Intl
$167

American Airlines flights from Kentucky to Ontario

Our best American Airlines deals on Kentucky to Ontario flight tickets
American Airlines
Jun 23
LEX5:41 pmLexington Blue Grass
7h 57m
1 stop
ONT10:38 pmOntario
Jul 7
ONT10:10 pmOntario
8h 01m
1 stop
LEX9:11 amLexington Blue Grass
$331
American Airlines
Jun 23
LEX5:41 pmLexington Blue Grass
9h 18m
1 stop
ONT11:59 pmOntario
Jul 7
ONT7:14 pmOntario
10h 57m
2 stops
LEX9:11 amLexington Blue Grass
$336
American Airlines
Jun 23
LEX8:07 pmLexington Blue Grass
6h 52m
1 stop
ONT11:59 pmOntario
Jul 7
ONT10:10 pmOntario
8h 01m
1 stop
LEX9:11 amLexington Blue Grass
$350

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky 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 April 15, 2026.
Use the filters below to find and compare flights from Kentucky to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Mi 5/6

7:17 pm-11:49 pm

1 stop6h 32m

Ontario

Mo 5/11

8:30 am-5:59 pm

1 stop7h 29m

$160

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Do 5/7

8:40 pm-7:32 pm

1 stop25h 52m

Ontario

Mo 5/11

8:44 am-7:35 pm

1 stop7h 51m

$160

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mo 5/18

8:32 pm-10:05 am

1 stop16h 33m

Ontario

Sa 5/23

6:00 am-1:59 pm

1 stop28h 59m

$316

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fr 6/12

6:30 am-7:51 pm

2 stops16h 21m

Ontario

Mi 6/17

6:00 am-1:52 pm

1 stop28h 52m

$325

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Di 6/23

5:41 pm-10:38 pm

1 stop7h 57m

Ontario

Di 7/7

10:10 pm-9:11 am

1 stop8h 01m

$331

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Di 6/23

5:41 pm-11:59 pm

1 stop9h 18m

Ontario

Di 7/7

7:14 pm-9:11 am

2 stops10h 57m

$336

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Do 5/14

6:00 am-10:57 am

1 stop7h 57m

Ontario

Di 5/19

10:00 pm-8:56 am

1 stop7h 56m

$348

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Do 5/14

6:00 am-10:57 am

1 stop7h 57m

Ontario

Di 5/19

5:50 pm-9:59 am

2 stops13h 09m

$353

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Do 6/4

6:15 am-10:00 am

1 stop6h 45m

Ontario

Mo 6/8

9:40 pm-10:05 am

2 stops9h 25m

$360

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Do 6/4

1:10 pm-8:10 pm

2 stops10h 00m

Ontario

Mo 6/8

9:40 pm-10:05 am

2 stops9h 25m

$366

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 Kentucky 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, October is the cheapest month to fly from Kentucky to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. If you aren’t able to travel during the month of October, then book flights to Ontario from Kentucky during May instead. Flights to Ontario in May, while not as cheap as those in October, still average around $344.

Cheap Kentucky to Ontario flight deals and tips

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

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Ontario

1 airport
The fastest flight from Kentucky to Ontario takes 4h 05m
Direct flights go from Kentucky to Ontario every day.
There is 1 airport in Ontario. From Kentucky there are direct flights to Ontario (ONT).
Search flight deals

Frequently asked questions about flying from Kentucky to Ontario

  • When did momondo last update prices for flights from Kentucky to Ontario Airport?

    Prices for flights from Kentucky to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Kentucky to Ontario Airport?

  • How old do you have to be to fly from Kentucky 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 Kentucky to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Kentucky to Ontario

Compare and see reviews for airlines that fly from Kentucky to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,580 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,404 reviews
Search Delta flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
United AirlinesPriceFrom $337Free CancellationRating
7.4
9,589 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Ontario from Kentucky with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kentucky to Ontario.

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

If you are not ready to book a flight from Kentucky to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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Fr 5/15
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