Cheap Flight Tickets from Louisville (SDF) to Ontario (ONT), Starting at $646

Good to Know: Cheapest and Fastest SDF - ONT Flights

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

Cheapest Round Trip Flight

$646

WN Southwest Airlines • 1 stop • 8h 50m

Jul 24 – Jul 29

The cheapest round trip flight from Louisville to Ontario (SDF-ONT-SDF) is currently $646

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Fastest Flight

8h 50m

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

Top Airlines Flying from Louisville to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

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

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

Jul 24 - Jul 29, Economy
WN
Louisville → Ontario
8h 50m
12:35 PM - 3:05 PM • 1 stop
WN
Louisville → Ontario
11h 50m
11:55 PM - 10:05 AM • 1 stop
$646
Southwest Airlines
Jul 24 - Jul 29, Economy
WN
Louisville → Ontario
13h 40m
5:05 PM - 10:25 PM • 1 stop
WN
Louisville → Ontario
19h 10m
9:40 PM - 12:30 PM • 1 stop
$650
Southwest Airlines
Jul 24 - Jul 29, Economy
WN
Louisville → Ontario
18h 55m
7:25 AM - 4:00 PM • 1 stop
WN
Louisville → Ontario
11h 55m
11:30 AM - 9:45 PM • 1 stop
$650
Southwest Airlines
Jul 24 - Jul 29, Economy
WN
Louisville → Ontario
20h 40m
12:35 PM - 10:15 PM • 1 stop
WN
Louisville → Ontario
12h
5:15 AM - 3:35 PM • 1 stop
$650
Southwest Airlines
Jul 24 - Jul 29, Economy
WN
Louisville → Ontario
15h 40m
3:35 PM - 10:15 PM • 2 stops
WN
Louisville → Ontario
20h
11:55 PM - 2:55 PM • 1 stop
$656
Southwest Airlines
Jul 24 - Jul 29, Economy
DL
Louisville → Ontario
18h 50m
10:00 AM - 6:30 PM • 1 stop
DL
Louisville → Ontario
15h 38m
11:48 AM - 12:26 AM • 1 stop
$684
Delta Airlines

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

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

FAQs on Louisville to Ontario Flights

What are the airports in Louisville?
SDF
What’s the most popular airline flying from SDF to ONT?
The most popular airline flying from Louisville to Ontario are
Can I fly from SDF to ONT non-stop?
NO
Which airlines fly nonstop between Louisville and Ontario?
The non-stop flights between Louisville and Ontario are .
What’s the earliest departure time from SDF to ONT Airport?
The earliest flight leaves SDF at 7:25 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Louisville to Ontario 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 SDF to ONT?
Read the fare rules of the Louisville to Ontario 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 Louisville and Ontario?
operate flights between Louisville and Ontario
How long does a flight from Louisville to Ontario take?
It takes approximately 4 hour to fly non-stop from SDF to ONT, which is 1796.09 miles by air.
Which airlines provide the cheapest flights from Louisville (SDF) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from SDF were found on WN : USD 650
Do I need a passport to fly between SDF and ONT?
No
What’s the latest departure time from SDF to ONT ?
The last flight leaves SDF at 5:05 pm

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

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

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