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Cheap flights from Ontario to Louisville from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Louisville departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Louisville

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Louisville that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Louisville.

Cheap last minute flights

Planning a quick getaway from Ontario to Louisville? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Louisville, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Louisville

Find recent round-trip train or bus tickets from Ontario to Louisville.

All round-trip flight deals from Ontario to Louisville

The cheapest plane tickets from Ontario to Louisville found on KAYAK recently.
1:05 pm - 11:58 pmONT-SDF
7h 53m1 stop
5:01 pm - 10:52 pmSDF-ONT
8h 51m1 stop
$343Delta
Find Deal
Wed, Feb 19 - Wed, Feb 26
1:05 pm - 11:58 pmONT-SDF
7h 53m1 stop
1:25 pm - 10:52 pmSDF-ONT
12h 27m2 stops
$348Delta
Find Deal
Wed, Feb 19 - Wed, Feb 26
1:40 pm - 10:12 pmONT-SDF
5h 32m1 stop
10:15 am - 8:57 pmSDF-ONT
13h 42m2 stops
$374United Airlines
Find Deal
Thu, Mar 6 - Mon, Mar 10
6:02 am - 7:51 pmONT-SDF
10h 49m2 stops
6:16 pm - 10:11 pmSDF-ONT
6h 55m1 stop
$415American Airlines
Find Deal
Tue, Apr 22 - Sun, Apr 27
7:05 am - 6:15 pmONT-SDF
8h 10m1 stop
8:20 pm - 11:45 pmSDF-ONT
6h 25m1 stop
$420Southwest
Find Deal
Tue, Mar 25 - Sat, Mar 29
2:54 pm - 11:59 pmONT-SDF
6h 05m1 stop
5:15 am - 12:07 pmSDF-ONT
9h 52m2 stops
$440American Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
11:20 am - 10:45 pmONT-SDF
8h 25m2 stops
8:20 pm - 11:45 pmSDF-ONT
6h 25m1 stop
$472Southwest
Find Deal
Tue, Mar 25 - Sat, Mar 29
1:40 pm - 10:12 pmONT-SDF
5h 32m1 stop
10:15 am - 8:57 pmSDF-ONT
13h 42m2 stops
$475United Airlines
Find Deal
Wed, Mar 12 - Sat, Mar 15
6:00 am - 9:40 pmONT-SDF
12h 40m2 stops
11:09 am - 11:58 pmSDF-ONT
15h 49m2 stops
$578Alaska Airlines
Find Deal
Wed, Feb 19 - Sat, Feb 22
6:00 am - 9:54 pmONT-SDF
12h 54m2 stops
8:36 am - 8:13 pmSDF-ONT
14h 37m2 stops
$703Alaska Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 11
7:05 am - 5:43 pmONT-SDF
7h 38m1 stop
$172Delta
Find Deal
Tue, Feb 11
7:05 am - 5:48 pmONT-SDF
7h 43m1 stop
$197Delta
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Fri, Feb 14
12:00 pm - 11:56 pmONT-SDF
8h 56m1 stop
$209Delta
Find Deal
Wed, Jun 4
1:40 pm - 10:12 pmONT-SDF
5h 32m1 stop
$217United Airlines
Find Deal
Mon, Mar 17
6:15 am - 10:12 pmONT-SDF
12h 57m2 stops
$222United Airlines
Find Deal
Tue, Feb 11
10:47 am - 10:12 pmONT-SDF
8h 25m2 stops
$224United Airlines
Find Deal
Tue, Feb 11
10:05 am - 9:07 pmONT-SDF
8h 02m2 stops
$235American Airlines
Find Deal
Fri, Feb 14
12:50 pm - 11:44 pmONT-SDF
7h 54m1 stop
$299American Airlines
Find Deal
Thu, May 22
6:00 am - 9:54 pmONT-SDF
12h 54m2 stops
$429Alaska Airlines
Find Deal
Sun, Feb 2
7:14 pm - 10:17 amONT-SDF
12h 03m2 stops
$615Alaska Airlines
Find Deal
Fri, Mar 14
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
9:00 am - 12:41 pmSDF-ONT
6h 41m1 stop
$1,007United Airlines
Find Deal
Sun, Jan 26 - Tue, Jan 28
10:47 am - 10:12 pmONT-SDF
8h 25m2 stops
3:30 pm - 9:57 pmSDF-ONT
9h 27m1 stop
$1,012United Airlines
Find Deal
Fri, Jan 24 - Tue, Jan 28
5:10 am - 7:48 pmONT-SDF
11h 38m2 stops
10:35 am - 8:51 pmSDF-ONT
13h 16m2 stops
$1,017United Airlines
Find Deal
Fri, Jan 24 - Tue, Jan 28
6:00 am - 9:54 pmONT-SDF
12h 54m2 stops
7:05 am - 6:13 pmSDF-ONT
14h 08m2 stops
$1,018Alaska Airlines
Find Deal
Fri, Jan 24 - Sat, Jan 25
7:01 pm - 9:55 pmONT-SDF
23h 54m3 stops
7:05 am - 8:13 pmSDF-ONT
16h 08m2 stops
$1,023Alaska Airlines
Find Deal
Fri, Jan 24 - Tue, Jan 28
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
9:00 am - 12:41 pmSDF-ONT
6h 41m1 stop
$1,317United Airlines
Find Deal
Sun, Jan 26 - Thu, Jan 30
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
3:30 pm - 9:57 pmSDF-ONT
9h 27m1 stop
$1,397United Airlines
Find Deal
Sun, Jan 26 - Wed, Jan 29
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
3:30 pm - 9:57 pmSDF-ONT
9h 27m1 stop
$1,447United Airlines
Find Deal
Sun, Jan 26 - Tue, Jan 28

Delta flights from Ontario to Louisville

Our best Delta deals on Ontario to Louisville flight tickets
Delta
Feb 19
ONT1:05 pmOntario
7h 53m
1 stop
SDF11:58 pmLouisville Intl
Feb 26
SDF5:01 pmLouisville Intl
8h 51m
1 stop
ONT10:52 pmOntario
Delta
Feb 19
ONT1:05 pmOntario
7h 53m
1 stop
SDF11:58 pmLouisville Intl
Feb 26
SDF1:25 pmLouisville Intl
12h 27m
2 stops
ONT10:52 pmOntario
Delta
Feb 19
ONT6:00 amOntario
14h 21m
2 stops
SDF11:21 pmLouisville Intl
Feb 26
SDF1:25 pmLouisville Intl
12h 27m
2 stops
ONT10:52 pmOntario

United Airlines flights from Ontario to Louisville

Our best United Airlines deals on Ontario to Louisville flight tickets
United Airlines
Mar 6
ONT1:40 pmOntario
5h 32m
1 stop
SDF10:12 pmLouisville Intl
Mar 10
SDF10:15 amLouisville Intl
13h 42m
2 stops
ONT8:57 pmOntario
United Airlines
Mar 12
ONT1:40 pmOntario
5h 32m
1 stop
SDF10:12 pmLouisville Intl
Mar 15
SDF10:15 amLouisville Intl
13h 42m
2 stops
ONT8:57 pmOntario
United Airlines
Feb 12
ONT6:15 amOntario
12h 57m
2 stops
SDF10:12 pmLouisville Intl
Mar 18
SDF3:35 pmLouisville Intl
9h 24m
1 stop
ONT9:59 pmOntario

See travel insights to Louisville from

How to get the cheapest flight ticket from Ontario to Louisville

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 Louisville?

If you are unable to visit Louisville during the month of August, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $427.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $151. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to Louisville on a Wednesday will generally be more expensive and average around $298. 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 Louisville?

Our data shows that the cheapest Ontario to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $210. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $378 per ticket.

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Ontario when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $496 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Ontario for as low as $340 on momondo.

How have Ontario to Louisville flight prices changed over time?

As of January 2025, prices for Ontario to Louisville flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Louisville (ONT to SDF) flight deals and tips

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

Best Price Found

$172

Fastest flight time

5h 30m

Direct flights

None

Airports in Louisville

1 airport
The best one-way flight to Louisville from Ontario in the past 72 hours is $172. The best round-trip flight deal from Ontario to Louisville found on momondo in the last 72 hours is $343.
The fastest flight from Ontario to Louisville takes 5h 30m
There are no direct flights from Ontario to Louisville. Popular non-direct route for this connection is Ontario Airport - Louisville Intl Airport.
There is 1 airport near Louisville: Louisville Intl (SDF)

  • How far is Ontario to Louisville Intl by plane?

    The straight-line distance from Ontario to Louisville Intl is 1792.4 mi. Typically, this will take 5h 30m by plane in normal conditions.

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

    Prices for flights from Ontario Airport to Louisville Intl Airport are updated daily.

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

  • How old do you have to be to fly from Ontario Airport to Louisville Intl Airport?

    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 Ontario Airport to Louisville Intl Airport.

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

    The necessary travel and health documents for your Louisville Intl 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.

  • What is the most popular airline from Ontario to Louisville?


Best airlines flying from Ontario to Louisville

Compare and see reviews for airlines that fly from Ontario to Louisville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $326Free CancellationRating
8.0
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
8,971 reviews
Search United Airlines flights
SouthwestPriceFrom $367Free CancellationRating
8.1
4,647 reviews
Search Southwest flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Elizabeth
Corydon
Charlestown
Georgetown
Springfield
Brandenburg

Why use momondo?

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

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 Louisville from Ontario.

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

Flights from Ontario to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Ontario and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Louisville from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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