Cheap flights from Louisville to Ontario from $159
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Ontario departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Louisville to Ontario
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Louisville to Region of Ontario
Our best American Airlines deals on Louisville to Region of Ontario flight tickets
WestJet flights from Louisville to Region of Ontario
Our best WestJet deals on Louisville to Region of Ontario flight tickets
See travel insights to Ontario from
How to get the cheapest flight ticket from Louisville to Region of 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 day to depart on your flight to Region of Ontario?
According to our data, Tuesday is the cheapest day to fly to Region of Ontario from Louisville. The lowest ticket price found for a Tuesday departure recently was $340. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Louisville to Region of Ontario on a Thursday will generally be more expensive and average around $448. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Region of Ontario?
According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Louisville to Region of Ontario at noon for as low as $319. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $376.
What is the cheapest airline that flies from Louisville Intl to Ontario?
Delta, Air Canada, and American Airlines are the most popular carriers operating from Louisville Intl to Ontario
What airlines fly to Region of Ontario?
Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Louisville according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
Cheap Louisville to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to Region of Ontario
Best Price Found | $159 |
|---|---|
Fastest flight time | 3h 58m |
Direct flights | None |
Airports in Region of Ontario | 4 airports |
When did momondo last update prices for flights from Louisville Intl Airport to Ontario?
Prices for flights from Louisville Intl Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Ontario?
The number of operators available for flights from Louisville Intl Airport to Ontario is 5 as of May 2025.
How old do you have to be to fly from Louisville Intl Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Louisville to Region of Ontario
Compare and see reviews for airlines that fly from Louisville to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $276 | Free Cancellation | Rating 7.0 9,245 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $312 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $331 | Free Cancellation | Rating 7.2 2,826 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Louisville to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Louisville.
Can I find flights from Louisville to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from Louisville with this policy.
How can momondo help me find flights from Louisville to Ontario?
Once you have performed a search for Louisville 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 Louisville to Ontario right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Louisville to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.