Cheap flights from Ontario to Louisville (ONT - SDF) from $199
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/31. 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.
ONT — SDF
Jun 2 — Jun 91
From?
To?
1 adult, Economy
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The best prices from Ontario to Louisville Intl are usually found in September or December, booked 81 days in advance, depart on a Saturday or Wednesday and return on a Saturday
Cheap flight deals from Ontario to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 28, 2024.
Popular in | August |
|---|---|
Cheapest in | September |
Average price | $518 |
Round-trip from | $287 |
What is the cheapest day to fly round-trip from Ontario to Louisville?
Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 31% on the overall cost on flights from Ontario to Louisville.
How far in advance should I book a flight from Ontario to Louisville?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 19 days in advance, which can save you up to 104% on flights from Ontario to Louisville compared to booking the week you need them. Waiting 19 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $121. For sooner than that we have options available in the next 3 days from $268.
What is the cheapest month to fly from Ontario to Louisville?
August can be a great time to fly to Louisville from Ontario with a flight ticket averaging about $256. Cheapflights users have found deals in the month of August for as cheap as $87. The most expensive prices can be found in the month of March.
When is the cheapest time to fly from Ontario to Louisville (ONT - SDF)?
Unlike at noon, when flights are generally more expensive, you can save up to 83% on flights from Ontario to Louisville by exploring options for tickets in the afternoon.
Cheap American Airlines flights from Ontario to Louisville
Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest American Airlines flights we've come across from Ontario to Louisville. Make sure to check back often as deals are often changing.
Fri 10/410:40 pmONT - SDF
1 stop9h 40mAmerican Airlines
Sun 10/68:25 pmSDF - ONT
1 stop6h 31mAmerican Airlines
Deal found 5/27$476
Mon 7/82:47 pmONT - SDF
1 stop6h 12mAmerican Airlines
Mon 7/158:35 pmSDF - ONT
1 stop6h 14mAmerican Airlines
Deal found 5/27$516
Sat 6/1510:45 pmONT - SDF
1 stop9h 03mAmerican Airlines
Sun 6/163:19 pmSDF - ONT
1 stop10h 40mAmerican Airlines
Deal found 5/28$577
Thu 6/1310:54 amONT - SDF
1 stop8h 34mAmerican Airlines
Sun 6/165:31 pmSDF - ONT
1 stop8h 28mAmerican Airlines
Deal found 5/27$579
Tue 6/1112:49 pmONT - SDF
1 stop8h 16mAmerican Airlines
Fri 6/148:32 pmSDF - ONT
1 stop6h 27mAmerican Airlines
Deal found 5/26$580
Thu 6/139:24 amONT - SDF
2 stops10h 04mAmerican Airlines
Sun 6/165:31 pmSDF - ONT
1 stop8h 28mAmerican Airlines
Deal found 5/27$584
Tue 6/119:24 amONT - SDF
2 stops10h 04mAmerican Airlines
Fri 6/145:55 amSDF - ONT
1 stop7h 08mAmerican Airlines
Deal found 5/26$585
Thu 6/139:24 amONT - SDF
2 stops10h 04mAmerican Airlines
Sun 6/163:19 pmSDF - ONT
2 stops9h 21mAmerican Airlines
Deal found 5/27$628
Fri 10/411:59 pmONT - SDF
2 stops13h 43mAmerican Airlines
Sun 10/68:18 amSDF - ONT
2 stops13h 12mAmerican Airlines
Deal found 5/27$645
Cheap United Airlines flights from Ontario to Louisville
Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Ontario to Louisville. Check back soon if you're not seeing flights that suit your needs.
Mon 7/11:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Wed 7/33:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 5/27$478
Wed 6/261:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Wed 7/33:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 5/27$483
Wed 9/185:15 amONT - SDF
1 stop6h 17mUnited Airlines
Tue 9/243:35 pmSDF - ONT
1 stop8h 27mUnited Airlines
Deal found 5/27$507
Wed 9/251:35 pmONT - SDF
1 stop6h 03mUnited Airlines
Mon 9/303:30 pmSDF - ONT
1 stop8h 02mUnited Airlines
Deal found 5/27$508
Mon 7/11:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Wed 7/310:50 amSDF - ONT
2 stops12h 58mUnited Airlines
Deal found 5/27$524
Wed 9/255:15 amONT - SDF
1 stop6h 17mUnited Airlines
Mon 9/303:30 pmSDF - ONT
1 stop8h 02mUnited Airlines
Deal found 5/28$527
Thu 8/151:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Thu 8/229:20 amSDF - ONT
1 stop6h 12mUnited Airlines
Deal found 5/28$528
Wed 9/257:40 amONT - SDF
2 stops23h 12mUnited Airlines
Mon 9/303:30 pmSDF - ONT
1 stop8h 02mUnited Airlines
Deal found 5/27$533
Thu 7/41:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Sun 7/79:15 amSDF - ONT
1 stop6h 18mUnited Airlines
Deal found 5/27$542
Cheap Ontario to Louisville flights in May & June 2024
Find cheap flight options from Ontario to Louisville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Louisville in 2024. Check back in a little while for more flight options.
Wed 6/2610:00 pmONT - SDF
1 stop9h 03mDelta
Wed 7/36:00 amSDF - ONT
1 stop7h 20mDelta
Deal found 5/27$433
Wed 6/2610:00 pmONT - SDF
1 stop9h 03mDelta
Wed 7/36:00 amSDF - ONT
2 stops9h 18mDelta
Deal found 5/27$438
Wed 6/261:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Wed 7/33:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 5/27$483
Tue 6/251:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Tue 7/23:45 pmSDF - ONT
1 stop8h 26mUnited Airlines
Deal found 5/28$512
Tue 6/251:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Tue 7/210:50 amSDF - ONT
2 stops12h 58mUnited Airlines
Deal found 5/28$515
Tue 6/185:15 amONT - SDF
1 stop14h 03mUnited Airlines
Tue 6/253:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 5/27$555
Sat 6/1510:45 pmONT - SDF
1 stop9h 03mAmerican Airlines
Sun 6/163:19 pmSDF - ONT
1 stop10h 40mAmerican Airlines
Deal found 5/28$577
Thu 6/1310:54 amONT - SDF
1 stop8h 34mAmerican Airlines
Sun 6/165:31 pmSDF - ONT
1 stop8h 28mAmerican Airlines
Deal found 5/27$579
Tue 6/1112:49 pmONT - SDF
1 stop8h 16mAmerican Airlines
Fri 6/148:32 pmSDF - ONT
1 stop6h 27mAmerican Airlines
Deal found 5/26$580
Ontario to Louisville 2024 flight deals
Discover exclusive flight deals for travel between Ontario and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Louisville in 2024. Check back in a little while for more flight options.
Sat 8/176:50 amONT - SDF
1 stop7h 30mDelta
Tue 8/203:27 pmSDF - ONT
1 stop7h 06mDelta
Deal found 5/28$417
Thu 8/1511:23 amONT - SDF
1 stop8h 14mDelta
Tue 8/203:27 pmSDF - ONT
1 stop7h 06mDelta
Deal found 5/28$418
Wed 6/2610:00 pmONT - SDF
1 stop9h 03mDelta
Wed 7/36:00 amSDF - ONT
1 stop7h 20mDelta
Deal found 5/27$433
Wed 6/2610:00 pmONT - SDF
1 stop9h 03mDelta
Wed 7/36:00 amSDF - ONT
2 stops9h 18mDelta
Deal found 5/27$438
Fri 10/410:40 pmONT - SDF
1 stop9h 40mAmerican Airlines
Sun 10/68:25 pmSDF - ONT
1 stop6h 31mAmerican Airlines
Deal found 5/27$476
Mon 7/11:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Wed 7/33:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 5/27$478
Wed 6/261:29 pmONT - SDF
1 stop5h 49mUnited Airlines
Wed 7/33:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 5/27$483
Sun 7/2811:23 amONT - SDF
1 stop9h 36mDelta
Fri 8/26:00 amSDF - ONT
1 stop7h 13mDelta
Deal found 5/26$496
Sun 7/2810:00 pmONT - SDF
2 stops12h 40mDelta
Fri 8/26:00 amSDF - ONT
1 stop7h 13mDelta
Deal found 5/26$501
Ontario to Louisville flights leaving soon
Find last-minute flight options from Ontario to Louisville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Book one of these great deals on flights from Ontario to Louisville. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 6/46:20 amONT - SDF
2 stops13h 24mUnited Airlines
Mon 6/105:50 pmSDF - ONT
2 stops21h 55mUnited Airlines
Deal found 5/27$632
Tue 6/46:20 amONT - SDF
2 stops13h 24mUnited Airlines
Tue 6/117:00 amSDF - ONT
2 stops18h 27mUnited Airlines
Deal found 5/27$650
Tue 6/46:00 amONT - SDF
1 stop8h 42mAmerican Airlines
Mon 6/103:19 pmSDF - ONT
1 stop10h 40mAmerican Airlines
Deal found 5/27$652
Tue 6/46:20 amONT - SDF
2 stops13h 24mUnited Airlines
Tue 6/119:21 amSDF - ONT
1 stop6h 12mUnited Airlines
Deal found 5/27$654
Wed 6/56:30 amONT - SDF
2 stops8h 29mAmerican Airlines
Tue 6/115:31 pmSDF - ONT
1 stop8h 28mAmerican Airlines
Deal found 5/27$657
Mon 6/31:55 pmONT - SDF
2 stops17h 02mUnited Airlines
Mon 6/105:50 pmSDF - ONT
2 stops21h 55mUnited Airlines
Deal found 5/27$677
Tue 6/46:20 amONT - SDF
2 stops13h 24mUnited Airlines
Sat 6/89:00 amSDF - ONT
2 stops16h 27mUnited Airlines
Deal found 5/27$690
Mon 6/31:55 pmONT - SDF
2 stops17h 02mUnited Airlines
Tue 6/117:00 amSDF - ONT
2 stops18h 27mUnited Airlines
Deal found 5/27$695
Sun 6/212:50 pmONT - SDF
1 stop8h 09mDelta
Mon 6/105:55 pmSDF - ONT
1 stop8h 05mDelta
Deal found 5/27$698
One-way flights to Louisville from Ontario
Search for one-way flight options from Ontario to Louisville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a look at some of the one-way flights we've detected from Ontario to Louisville. Users in need of a round-trip flight from Ontario to Louisville instead should update the search form at the top of page.
Wed 7/3111:23 amONT - SDF
1 stop8h 01mDelta
Deal found 5/27$199
Sat 8/311:23 amONT - SDF
1 stop9h 36mDelta
Deal found 5/27$218
Thu 8/2210:00 pmONT - SDF
1 stop8h 53mDelta
Deal found 5/27$219
Fri 8/211:23 amONT - SDF
1 stop8h 14mDelta
Deal found 5/27$238
Mon 7/11:30 pmONT - SDF
1 stop5h 58mUnited Airlines
Deal found 5/27$239
Fri 8/29:19 amONT - SDF
2 stops10h 16mAmerican Airlines
Deal found 5/27$243
Tue 7/161:35 pmONT - SDF
1 stop5h 53mUnited Airlines
Deal found 5/27$244
Sun 8/410:00 pmONT - SDF
1 stop8h 53mDelta
Deal found 5/27$258
Thu 6/2011:30 amONT - SDF
1 stop8h 42mDelta
Deal found 5/27$269
Find flights from Ontario to Louisville within your budget
Customize your flight search to find flights from Ontario to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$417 - $737
Route
Depart
Return
Price
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Sat 8/17
1 stop7h 30m
Louisville Intl
Tue 8/20
1 stop7h 06m
$417
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Thu 8/15
1 stop8h 14m
Louisville Intl
Tue 8/20
1 stop7h 06m
$418
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Wed 6/26
1 stop9h 03m
Louisville Intl
Wed 7/3
1 stop7h 20m
$433
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Wed 6/26
1 stop9h 03m
Louisville Intl
Wed 7/3
2 stops9h 18m
$438
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Fri 10/4
1 stop9h 40m
Louisville Intl
Sun 10/6
1 stop6h 31m
$476
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Mon 7/1
1 stop5h 58m
Louisville Intl
Wed 7/3
1 stop8h 13m
$478
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Wed 6/26
1 stop5h 49m
Louisville Intl
Wed 7/3
1 stop8h 13m
$483
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Mon 7/8
1 stop6h 12m
Louisville Intl
Mon 7/15
1 stop6h 14m
$516
OntarioLouisville Intl
ONT - SDF
ONTSDF
Ontario
Thu 9/12
2 stops12h 58m
Louisville Intl
Mon 9/16
2 stops14h 55m
$737
When is the best time to book a flight from Ontario to Louisville?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Louisville. Price data was last updated on May 24, 2024.
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
When is the cheapest time to fly from Ontario to Louisville?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Louisville. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Louisville flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Best time to book a flight from Ontario to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Temperature and rainfall in Louisville by month
Plan your trip to Louisville by taking into account the average temperature and rainfall totals by month.
SDF Temperature | 35.6 - 78.8 °F |
|---|
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated May 28, 2024.
Read reviews from past customers who have flown American Airlines, United Airlines and Delta from Ontario to Louisville. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,194 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,476 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,799 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
14,316 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Ontario to LouisvilleSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Louisville
Discover the top 4 airlines that operate flights from Ontario to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Search flights from Ontario to Louisville by cabin class
Find flights from Ontario to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Weekly flight availability from Ontario to Louisville
Explore weekly flight availability from Ontario to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 28, 2024.
| Sunday | 0daily flights |
|---|---|
| Monday | 1daily flight |
| Tuesday | 1daily flight |
| Wednesday | 1daily flight |
| Thursday | 1daily flight |
| Friday | 1daily flight |
| Saturday | 0daily flights |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario to Louisville?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Louisville from Ontario today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Ontario to Louisville?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Louisville for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Ontario to Louisville with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Louisville, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ontario to Louisville become cheaper?
Yes! Start tracking prices for Ontario to Louisville flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.