Cheap Flight Tickets from Ontario (ONT) to Louisville (SDF), Starting at $338

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 Round Trip Flight

$338

WN Southwest Airlines • 1 stop • 9h 5m

Jul 25 – Jul 25

The cheapest round trip flight from Ontario to Louisville (ONT-SDF-ONT) is currently $338

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Fastest Flight

9h 5m

The fastest nonstop flight from Ontario to Louisville (ONT-SDF) takes 9h 5m

Top Airlines Flying from Ontario to Louisville

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Avianca Airline - AV

Avianca

Alaska Airlines -AS

Alaska Airlines

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

Compare and book low fare round-trip air tickets from Ontario to Louisville. Ideal for travelers with confirmed return itineraries.

Jul 25 - Jul 25, Economy
WN
Ontario → Louisville
9h 5m
5:30 AM - 2:15 PM • 1 stop
WN
Ontario → Louisville
10h
7:55 PM - 10:55 PM • 1 stop
$338
Southwest Airlines
Jul 24 - Jul 31, Economy
WN
Ontario → Louisville
11h 45m
11:55 PM - 10:00 AM • 1 stop
WN
Ontario → Louisville
8h 50m
12:35 PM - 3:05 PM • nonstop
$492
Southwest Airlines
Jul 25 - Jul 25, Economy
WN
Ontario → Louisville
9h 5m
5:30 AM - 2:15 PM • 1 stop
WN
Ontario → Louisville
27h 35m
7:15 PM - 9:10 AM • 2 stops
$500
Southwest Airlines
Jul 24 - Jul 31, Economy
WN
Ontario → Louisville
13h 50m
8:00 AM - 7:30 PM • 1 stop
WN
Ontario → Louisville
8h 50m
12:35 PM - 3:05 PM • nonstop
$631
Southwest Airlines
Jul 26 - Aug 02, Economy
WN
Ontario → Louisville
35h 50m
6:40 PM - 7:30 PM • 3 stops
WN
Ontario → Louisville
15h 15m
5:30 PM - 11:45 PM • 2 stops
$731
Southwest Airlines
Jul 24 - Jul 31, Economy
UA
Ontario → Louisville
14h 6m
8:37 AM - 8:23 PM • 2 stops
UA
Ontario → Louisville
11h 54m
7:55 PM - 12:09 AM • 1 stop
$842
United Airlines

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 5:30 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 WN : USD 500
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 11:55 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

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