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Cheap flights from Louisville to Ontario from $173

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 12/18. 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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Find the cheapest flights from Louisville to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Louisville to Los Angeles 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 Louisville to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Louisville to Los Angeles? 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 Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Louisville to Los Angeles

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

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
5:00 pm - 10:52 pmSDF-ONT
8h 52m1 stop
7:05 am - 5:50 pmONT-SDF
7h 45m1 stop
$344Delta
Find Deal
Sat, Jan 11 - Sat, Jan 18
7:05 am - 11:55 amSDF-ONT
7h 50m1 stop
7:05 am - 5:50 pmONT-SDF
7h 45m1 stop
$346Delta
Find Deal
Sat, Jan 11 - Sat, Jan 18
11:13 am - 7:31 pmSDF-ONT
11h 18m2 stops
6:10 am - 5:38 pmONT-SDF
8h 28m2 stops
$356American Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 18
7:05 am - 3:29 pmSDF-ONT
11h 24m2 stops
6:10 am - 8:18 pmONT-SDF
11h 08m2 stops
$391American Airlines
Find Deal
Thu, Jan 16 - Tue, Jan 21
3:30 pm - 9:57 pmSDF-ONT
9h 27m1 stop
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
$413United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
4:20 pm - 11:50 pmSDF-ONT
10h 30m1 stop
5:05 am - 2:55 pmONT-SDF
6h 50m2 stops
$451Southwest
Find Deal
Thu, Dec 19 - Sun, Jan 5
6:40 am - 12:45 pmSDF-ONT
9h 05m2 stops
5:05 am - 2:55 pmONT-SDF
6h 50m2 stops
$456Southwest
Find Deal
Thu, Dec 19 - Sun, Jan 5
3:30 pm - 9:57 pmSDF-ONT
9h 27m1 stop
5:10 am - 2:26 pmONT-SDF
6h 16m1 stop
$471United Airlines
Find Deal
Tue, Jan 7 - Sun, Jan 12
7:05 am - 6:13 pmSDF-ONT
14h 08m2 stops
6:00 am - 9:54 pmONT-SDF
12h 54m2 stops
$481Alaska Airlines
Find Deal
Mon, Feb 3 - Wed, Feb 5
8:36 am - 8:13 pmSDF-ONT
14h 37m2 stops
6:00 am - 9:54 pmONT-SDF
12h 54m2 stops
$511Alaska Airlines
Find Deal
Wed, Jan 29 - Thu, Jan 30
1:52 pm - 6:38 pmSDF-ONT
7h 46m1 stop
$173American Airlines
Find Deal
Wed, Dec 18
2:29 pm - 11:02 pmSDF-ONT
11h 33m2 stops
$178Delta
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Tue, Dec 17
8:05 am - 5:45 pmSDF-ONT
12h 40m1 stop
$179Southwest
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Tue, Jan 7
9:00 am - 8:45 pmSDF-ONT
14h 45m2 stops
$184Southwest
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Tue, Jan 7
6:55 am - 9:45 pmSDF-ONT
17h 50m3 stops
$189Southwest
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Tue, Jan 7
3:20 pm - 8:47 pmSDF-ONT
8h 27m1 stop
$218United Airlines
Find Deal
Tue, Dec 17
3:30 pm - 8:49 pmSDF-ONT
8h 19m1 stop
$253United Airlines
Find Deal
Wed, Jan 1
11:02 am - 8:00 pmSDF-ONT
11h 58m2 stops
$308Alaska Airlines
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Tue, Dec 10
11:02 am - 8:00 pmSDF-ONT
11h 58m2 stops
$328Alaska Airlines
Find Deal
Tue, Dec 17
8:21 pm - 9:00 pmSDF-ONT
27h 39m3 stops
Mon, Dec 2
6:00 am - 10:43 amSDF-ONT
7h 43m1 stop
12:11 pm - 9:29 pmONT-SDF
6h 18m1 stop
$926Delta
Find Deal
Fri, Nov 29 - Fri, Dec 6
7:35 am - 4:19 pmSDF-ONT
11h 44m2 stops
12:11 pm - 9:29 pmONT-SDF
6h 18m1 stop
$931Delta
Find Deal
Fri, Nov 29 - Fri, Dec 6
1:40 pm - 6:55 pmSDF-ONT
8h 15m2 stops
9:10 am - 7:25 pmONT-SDF
7h 15m2 stops
$936Southwest
Find Deal
Fri, Nov 29 - Mon, Dec 2
3:46 pm - 8:36 pmSDF-ONT
7h 50m1 stop
12:59 am - 10:14 amONT-SDF
6h 15m1 stop
$1,006American Airlines
Find Deal
Fri, Nov 29 - Sun, Dec 1
10:30 am - 6:29 pmSDF-ONT
10h 59m2 stops
12:59 am - 10:14 amONT-SDF
6h 15m1 stop
$1,011American Airlines
Find Deal
Fri, Nov 29 - Sun, Dec 1
3:20 pm - 8:44 pmSDF-ONT
8h 24m1 stop
5:15 am - 2:24 pmONT-SDF
6h 09m1 stop
$1,212United Airlines
Find Deal
Wed, Nov 27 - Sun, Dec 1
8:55 am - 12:40 pmSDF-ONT
6h 45m1 stop
6:00 am - 7:35 pmONT-SDF
10h 35m2 stops
$1,217United Airlines
Find Deal
Sat, Nov 30 - Mon, Dec 2
3:20 pm - 8:44 pmSDF-ONT
8h 24m1 stop
5:05 am - 2:24 pmONT-SDF
6h 19m1 stop
$1,316United Airlines
Find Deal
Fri, Nov 29 - Fri, Dec 6
10:30 am - 8:03 pmSDF-ONT
12h 33m2 stops
6:00 am - 9:23 pmONT-SDF
12h 23m2 stops
$1,991Alaska Airlines
Find Deal
Fri, Nov 29 - Fri, Dec 6
1:47 pm - 11:59 pmSDF-ONT
13h 12m2 stops
6:00 am - 11:06 pmONT-SDF
14h 06m2 stops
$2,066Alaska Airlines
Find Deal
Wed, Nov 27 - Sun, Dec 1

Delta flights from Louisville to Ontario

Our best Delta deals on Louisville to Ontario flight tickets
Delta
Jan 11
SDF5:00 pmLouisville Intl
8h 52m
1 stop
ONT10:52 pmOntario
Jan 18
ONT7:05 amOntario
7h 45m
1 stop
SDF5:50 pmLouisville Intl
Delta
Jan 11
SDF7:05 amLouisville Intl
7h 50m
1 stop
ONT11:55 amOntario
Jan 18
ONT7:05 amOntario
7h 45m
1 stop
SDF5:50 pmLouisville Intl
Delta
Jan 11
SDF1:25 pmLouisville Intl
13h 00m
2 stops
ONT11:25 pmOntario
Jan 18
ONT7:05 amOntario
7h 45m
1 stop
SDF5:50 pmLouisville Intl

United Airlines flights from Louisville to Ontario

Our best United Airlines deals on Louisville to Ontario flight tickets
United Airlines
Jan 17
SDF3:30 pmLouisville Intl
9h 27m
1 stop
ONT9:57 pmOntario
Jan 19
ONT5:10 amOntario
6h 16m
1 stop
SDF2:26 pmLouisville Intl
United Airlines
Jan 7
SDF3:30 pmLouisville Intl
9h 27m
1 stop
ONT9:57 pmOntario
Jan 12
ONT5:10 amOntario
6h 16m
1 stop
SDF2:26 pmLouisville Intl
United Airlines
Mar 15
SDF8:53 amLouisville Intl
6h 51m
1 stop
ONT12:44 pmOntario
Mar 24
ONT1:40 pmOntario
5h 32m
1 stop
SDF10:12 pmLouisville Intl

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Louisville to 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 month to fly to Ontario?

In general, August is the cheapest month to fly from Louisville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. If you aren’t able to travel during the month of August, then book flights to Ontario from Louisville during October instead. Flights to Ontario in October, while not as cheap as those in August, still average around $448.

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

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $435. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Ontario for around $597.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Louisville to Ontario when you can find flight prices for as low as $417. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $665 on average. Flights to Ontario from Louisville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Louisville to Ontario flights?

You could potentially save up to 22% on your flight if you consider stops on a Louisville to Ontario flight.

How have Louisville to Ontario flight prices changed over time?


When to book flights from Louisville to Ontario

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

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

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

Best Price Found

$173

Fastest flight time

6h 34m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Louisville in the past 72 hours is $173. The best round-trip flight deal from Louisville to Ontario found on momondo in the last 72 hours is $344.
The fastest flight from Louisville to Ontario takes 6h 34m
There are no direct flights from Louisville to Ontario. Popular non-direct route for this connection is Louisville Intl Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Louisville Intl to Ontario by plane?

    Ontario is 1792.4 mi away from Louisville Intl. In terms of flight time, this usually takes a little over 6h 34m.

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

    Prices for flights from Louisville Intl Airport to Ontario Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario 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 Louisville to Ontario?


Best airlines flying from Louisville to Ontario

Compare and see reviews for airlines that fly from Louisville to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $257Free CancellationRating
7.4
9,153 reviews
Search United Airlines flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $389Free CancellationRating
8.1
4,982 reviews
Search Southwest flights
DeltaPriceFrom $416Free CancellationRating
8.0
8,736 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Louisville to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. All flights to Ontario from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Louisville to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Louisville to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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