￥26,050 Cheap Flights from Louisville (SDF) to Ontario (ONT)

View ￥26,050 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Louisville to Ontario (SDF-ONT)

Prices were available within the past 7 days and start at ￥26,050 for one-way flights and ￥51,070 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 10 - Wed, Nov 19
SDF
Louisville
ONT
Ontario
￥51,070 Roundtrip, found 5 days ago
￥51,070
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 10 from Louisville to Ontario, returning Wed, Nov 19, priced at ￥51,070 found 5 days ago
Delta
Tue, Nov 18 - Thu, Dec 4
SDF
Louisville
ONT
Ontario
￥51,180 Roundtrip, found 2 days ago
￥51,180
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 18 from Louisville to Ontario, returning Thu, Dec 4, priced at ￥51,180 found 2 days ago
Delta
Mon, Dec 22 - Tue, Jan 6
SDF
Louisville
ONT
Ontario
￥52,470 Roundtrip, found 2 days ago
￥52,470
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 22 from Louisville to Ontario, returning Tue, Jan 6, priced at ￥52,470 found 2 days ago
Delta
Sat, Oct 18 - Sat, Nov 1
SDF
Louisville
ONT
Ontario
￥54,290 Roundtrip, found 2 days ago
￥54,290
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 18 from Louisville to Ontario, returning Sat, Nov 1, priced at ￥54,290 found 2 days ago
Delta
Tue, Dec 9 - Fri, Dec 26
SDF
Louisville
ONT
Ontario
￥57,090 Roundtrip, found 3 days ago
￥57,090
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec 9 from Louisville to Ontario, returning Fri, Dec 26, priced at ￥57,090 found 3 days ago
Delta
Mon, Nov 10 - Wed, Nov 19
SDF
Louisville
ONT
Ontario
￥57,740 Roundtrip, found 5 days ago
￥57,740
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 10 from Louisville to Ontario, returning Wed, Nov 19, priced at ￥57,740 found 5 days ago
Delta
Mon, Dec 22 - Fri, Jan 9
SDF
Louisville
ONT
Ontario
￥58,590 Roundtrip, found 2 days ago
￥58,590
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 22 from Louisville to Ontario, returning Fri, Jan 9, priced at ￥58,590 found 2 days ago
Delta
Wed, Nov 26 - Wed, Dec 17
SDF
Louisville
ONT
Ontario
￥58,880 Roundtrip, found 6 days ago
￥58,880
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 26 from Louisville to Ontario, returning Wed, Dec 17, priced at ￥58,880 found 6 days ago
United
Sat, Nov 8 - Sat, Nov 15
SDF
Louisville
ONT
Ontario
￥60,960 Roundtrip, found 1 day ago
￥60,960
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Louisville to Ontario, returning Sat, Nov 15, priced at ￥60,960 found 1 day ago
American Airlines
Tue, Dec 2 - Mon, Dec 22
SDF
Louisville
ONT
Ontario
￥64,290 Roundtrip, found 3 days ago
￥64,290
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 2 from Louisville to Ontario, returning Mon, Dec 22, priced at ￥64,290 found 3 days ago

Find the cheapest month to fly from Louisville (SDF) to Ontario (ONT)

August is typically the cheapest month to fly

From ￥33,206 - ￥128,594 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from ￥81,450
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from ￥81,450
Flights from Louisville (SDF) to Ontario (ONT)
Origin airport
Louisville Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Delta, United
Roundtrip price
￥51,070
Distance
2865 km

Louisville to Ontario Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Louisville to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Ontario.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SDF to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Louisville for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Louisville Muhammad Ali Intl. Airport to ONT?
Start packing your bags, because round-trip journeys from Louisville Intl. Airport (SDF) to Ontario Airport start from ￥51,070. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Louisville Intl. Airport (SDF) to Ontario Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Louisville Muhammad Ali Intl. Airport to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SDF to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Louisville Muhammad Ali Intl. Airport to ONT?
The flight time from Louisville Intl. Airport (SDF) to Ontario Airport is about 5 hours and 44 minutes. Put on your earphones, listen to a good podcast and your trip will fly by.
How far is the flight from SDF to Ontario Airport?
The flying distance between Louisville Intl. Airport (SDF) (SDF) and ONT (ONT) is 2,900 kilometers. Close your eyes or bury your nose in a book and the trip will zip on by.
Which airlines fly direct from SDF to Los Angeles - Ontario Intl. Airport (ONT)?
Flying nonstop between Louisville Muhammad Ali Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT) isn't possible at this time. However, you'll still be able to book a flight to Ontario with at least one stop.
Are Louisville Intl. Airport (SDF) to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Louisville Muhammad Ali Intl. Airport to ONT are available up to a year before departure on Expedia. And although you may nab fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Louisville to Los Angeles Intl.
￥51,180

Long Beach

Orange County

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