ONT

$78 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 11/16. 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

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
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, Sep 15 - Tue, Sep 22
Frontier Logo
3:14 pm - 11:47 pmBNA  Nashville Intl-ONT Ontario
10h 33m1 stop Denver Intl
Frontier Logo
6:15 am - 2:18 pmONT  Ontario-BNA Nashville Intl
6h 03m1 stop Denver Intl
$158Frontier
Wed, Oct 21 - Mon, Oct 26
Frontier Logo
7:42 pm - 11:55 pmBNA  Nashville Intl-ONT Ontario
6h 13m1 stop Denver Intl
Frontier Logo
6:00 am - 6:47 pmONT  Ontario-BNA Nashville Intl
10h 47m1 stop Denver Intl
$158Frontier
Wed, Nov 11 - Tue, Nov 17
Southwest Logo
12:40 pm - 3:10 pmBNA  Nashville Intl-ONT Ontario
4h 30mnonstop
Southwest Logo
11:25 am - 5:05 pmONT  Ontario-BNA Nashville Intl
3h 40mnonstop
$251Southwest
Fri, Sep 11 - Tue, Sep 15
Southwest Logo
10:40 am - 2:00 pmSDF  Louisville Intl-ONT Ontario
6h 20m1 stop Denver Intl
Southwest Logo
2:10 pm - 11:05 pmONT  Ontario-SDF Louisville Intl
5h 55m1 stop Las Vegas Harry Reid Intl
$254Southwest
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
6:00 am - 11:53 amBNA  Nashville Intl-ONT Ontario
7h 53m1 stop Dallas/Fort Worth
American Airlines Logo
1:23 pm - 9:18 pmONT  Ontario-BNA Nashville Intl
5h 55m1 stop Phoenix Sky Harbor Intl
$257American Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
5:00 am - 9:29 amBNA  Nashville Intl-ONT Ontario
6h 29m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 10:29 pmONT  Ontario-BNA Nashville Intl
6h 07m1 stop Dallas/Fort Worth
$257American Airlines
Mon, Dec 14 - Thu, Dec 17
Delta Logo
7:25 pm - 11:58 pmBNA  Nashville Intl-ONT Ontario
6h 33m1 stop Salt Lake City
Delta Logo
1:25 pm - 10:08 pmONT  Ontario-BNA Nashville Intl
6h 43m1 stop Salt Lake City
$257Delta
Sat, Oct 17 - Mon, Oct 26
Delta Logo
7:26 am - 12:22 pmBNA  Nashville Intl-ONT Ontario
6h 56m1 stop Salt Lake City
Delta Logo
1:24 pm - 11:12 pmONT  Ontario-BNA Nashville Intl
7h 48m1 stop Salt Lake City
$257Delta
Fri, Sep 11 - Tue, Sep 15
United Airlines Logo
11:00 am - 8:01 pmSDF  Louisville Intl-ONT Ontario
12h 01m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
5:00 am - 2:23 pmONT  Ontario-SDF Louisville Intl
6h 23m1 stop Denver Intl
$288United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
9:00 am - 12:33 pmLEX  Lexington Blue Grass-ONT Ontario
6h 33m1 stop Denver Intl
United Airlines Logo
1:29 pm - 10:36 pmONT  Ontario-LEX Lexington Blue Grass
6h 07m1 stop Denver Intl
$341United Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$78
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 2% increase in price.
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)