ONT

$119 Find Cheap Flights from Kentucky to Ontario - Compare and Save

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 8/11. 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

Wed, Aug 12 - Tue, Aug 18
Frontier Logo
12:25 pm - 11:50 pm
BNA
-
ONT
13h 25m
1 stop
Frontier Logo
7:56 pm - 12:10 pm
ONT
-
BNA
14h 14m
1 stop
$241Frontier
Tue, Sep 29 - Wed, Sep 30
Frontier Logo
7:42 pm - 11:55 pm
BNA
-
ONT
6h 13m
1 stop
Frontier Logo
6:00 am - 6:47 pm
ONT
-
BNA
10h 47m
1 stop
$248Frontier
Sat, Sep 26 - Sat, Oct 3
Delta Logo
7:05 am - 11:07 am
SDF
-
ONT
7h 02m
1 stop
Delta Logo
12:17 pm - 11:59 pm
ONT
-
SDF
8h 42m
1 stop
$287Delta
Tue, Jul 21 - Wed, Jul 22
Delta Logo
7:05 am - 10:38 am
SDF
-
ONT
6h 33m
1 stop
Delta Logo
10:00 pm - 8:54 am
ONT
-
SDF
7h 54m
1 stop
$289Delta
Tue, Sep 15 - Tue, Sep 15
Southwest Logo
12:10 pm - 5:35 pm
SDF
-
ONT
8h 25m
2 stops
Southwest Logo
11:55 pm - 11:20 am
ONT
-
SDF
8h 25m
1 stop
$292Southwest
Wed, Aug 5 - Sat, Aug 8
Southwest Logo
12:10 pm - 10:00 pm
SDF
-
ONT
12h 50m
1 stop
Southwest Logo
11:55 pm - 10:25 am
ONT
-
SDF
7h 30m
1 stop
$306Southwest
Fri, Aug 14 - Mon, Aug 24
Multiple Airlines Logo
5:54 pm - 7:32 am
TYS
-
ONT
16h 38m
1 stop
Multiple Airlines Logo
9:33 am - 2:59 pm
ONT
-
TYS
50h 26m
2 stops
$310Multiple Airlines
Fri, Aug 14 - Mon, Aug 24
Multiple Airlines Logo
5:54 pm - 7:32 am
TYS
-
ONT
16h 38m
1 stop
Multiple Airlines Logo
11:50 am - 9:46 pm
ONT
-
TYS
6h 56m
1 stop
$318Multiple Airlines
Tue, Aug 4 - Sat, Aug 8
American Airlines Logo
6:38 am - 12:02 pm
SDF
-
ONT
8h 24m
2 stops
American Airlines Logo
12:33 pm - 10:17 pm
ONT
-
SDF
6h 44m
1 stop
$344American Airlines
Tue, Jul 28 - Tue, Aug 4
American Airlines Logo
8:07 pm - 11:59 pm
LEX
-
ONT
6h 52m
1 stop
American Airlines Logo
7:15 pm - 10:11 am
ONT
-
LEX
11h 56m
2 stops
$345American Airlines
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Good to know

Low seasonJanuary
Cheapest flight$119
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 1% lower on average.
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)