ONT

$71 Find Cheap Flights from Kentucky to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Kentucky to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kentucky to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kentucky to Ontario

Tue, May 5 - Fri, May 8
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
Fri, May 8 - Mon, May 11
Frontier Logo
8:40 pm - 3:09 pm
CVG
-
ONT
21h 29m
1 stop
Frontier Logo
6:00 am - 12:00 pm
ONT
-
CVG
27h 00m
1 stop
$160Frontier
Sun, Apr 12 - Thu, Apr 16
Multiple Airlines Logo
10:19 pm - 8:04 am
LEX
-
ONT
12h 45m
1 stop
Multiple Airlines Logo
11:47 am - 9:29 pm
ONT
-
LEX
6h 42m
1 stop
$255Multiple Airlines
Tue, May 5 - Sat, May 9
Delta Logo
4:53 pm - 9:00 pm
LEX
-
ONT
7h 07m
1 stop
Delta Logo
10:00 pm - 9:21 am
ONT
-
LEX
8h 21m
1 stop
$331Delta
Mon, May 11 - Wed, May 13
Multiple Airlines Logo
1:43 pm - 7:32 pm
TYS
-
ONT
8h 49m
1 stop
Multiple Airlines Logo
8:06 pm - 8:50 pm
ONT
-
TYS
21h 44m
2 stops
$331Multiple Airlines
Tue, May 5 - Sat, May 9
Delta Logo
6:00 am - 11:36 am
LEX
-
ONT
8h 36m
1 stop
Delta Logo
6:00 am - 6:39 pm
ONT
-
LEX
9h 39m
2 stops
$336Delta
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
7:45 pm - 11:59 pm
SDF
-
ONT
7h 14m
1 stop
American Airlines Logo
7:12 pm - 10:36 am
ONT
-
SDF
12h 24m
2 stops
$359American Airlines
Tue, May 12 - Sat, May 16
United Airlines Logo
9:10 am - 5:52 pm
SDF
-
ONT
11h 42m
2 stops
United Airlines Logo
1:40 pm - 10:31 pm
ONT
-
SDF
5h 51m
1 stop
$360United Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
1:21 pm - 9:57 pm
SDF
-
ONT
11h 36m
2 stops
American Airlines Logo
7:12 pm - 10:36 am
ONT
-
SDF
12h 24m
2 stops
$365American Airlines
Wed, May 27 - Sun, May 31
United Airlines Logo
8:00 am - 12:47 pm
SDF
-
ONT
7h 47m
1 stop
United Airlines Logo
6:30 am - 4:49 pm
ONT
-
SDF
7h 19m
1 stop
$399United Airlines
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Good to know

Low seasonJanuary
Cheapest flight$71
Flight from Nashville to Ontario

FAQs for booking flights from Kentucky to Ontario

  • How does KAYAK find such low prices on flights from Kentucky to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kentucky to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Kentucky with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)