Cheap Flight Tickets from Ontario (ONT) to Louisville (SDF), Starting at $148

Good to Know: Cheapest and Fastest ONT - SDF Flights

Useful information for finding best airline tickets from Ontario International to Louisville International Standiford Field on your next trip.

Cheapest One way Flight

$148

WN Southwest Airlines • 1 stop • 12h 15m

Sep 21

The cheapest one way flight from Ontario to Louisville (ONT-SDF) is currently $148

🔍 Search Flights

Fastest Flight

8h 50m

The fastest nonstop flight from Ontario to Louisville (ONT-SDF) takes 8h 50m

Top Airlines Flying from Ontario to Louisville

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Ontario (ONT) to Louisville (SDF)

Fly from Ontario to Louisville with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Louisville? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Louisville Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SDF?
The most popular airline flying from Ontario to Louisville are
Can I fly from ONT to SDF non-stop?
NO
Which airlines fly nonstop between Ontario and Louisville?
The non-stop flights between Ontario and Louisville are .
What’s the earliest departure time from ONT to SDF Airport?
The earliest flight leaves ONT at 7:05 am and lands in SDF - Louisville International Standiford Field
What are the airports in Louisville?
SDF
Can I make changes to my Ontario to Louisville flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to SDF?
Read the fare rules of the Ontario to Louisville air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Louisville?
operate flights between Ontario and Louisville
How long does a flight from Ontario to Louisville take?
It takes approximately 4 hour to fly non-stop from ONT to SDF, which is 1796.09 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Louisville (SDF) ?
In the past couple of days, the cheapest tickets to SDF from ONT were found on DL : USD 224
Do I need a passport to fly between ONT and SDF?
No
What’s the latest departure time from ONT to SDF ?
The last flight leaves ONT at 5:15 pm

Ontario (ONT) to Louisville (SDF): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Louisville International Standiford Field, Louisville, US
Distance 1796 miles

More Flight Options for Ontario (ONT) and Louisville (SDF)

Why Fareleaders for ONT to SDF Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to Louisville flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to SDF flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to Louisville flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to Louisville (SDF)
Terms and Conditions*