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Did you mean flights from Louisville, Kentucky to Ontario, California?

Flights from Ontario, California to Louisville, United States

Ontario, California to Louisville, Kentucky Last modified: Jun 19, 2018 1:27 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 54,686,919,170 round trip itineraries and found the cheapest flights to Louisville, Kentucky. Frontier & American frequently offer the best deals to Louisville, Kentucky flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
ONTSDF
Fri 8/24
1 stop
SDFONT
Mon 8/27
1 stop
$321
American
ONTSDF
Thu 8/23
1 stop
SDFONT
Tue 8/28
1 stop
$327
United
ONTSDF
Wed 9/19
1 stop
SDFONT
Sat 9/22
1 stop
$347
Alaska
ONTSDF
Tue 9/18
2 stops
SDFONT
Tue 9/25
2 stops
$597

How Much is a Flight from Ontario, California to Louisville, Kentucky? Prices shown were found by travelers like you over the past 30 days

We have collected flight cost data from across the web for travel from Ontario, California to Louisville, Kentucky, and have found the average flight price for this trip to be $400.

Where To Buy Cheap Flights from Ontario, California to Louisville, Kentucky?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Ontario, California to Louisville, Kentucky based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Ontario, California to Louisville, Kentucky? Prices shown were found by travelers like you over the past 30 days

The chart below shows up-to-date information regarding how far in advance to book your flight from Ontario, California to Louisville, Kentucky.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $920
7-14 days $0 $581
14-21 days $0 $515
21-30 days $0 $449
30-60 days $0 $361
60-90 days $0 $321
90+ days $0 $327

Cheapest Day To Fly from Ontario, California to Louisville, Kentucky Prices shown were found by travelers like you over the past 30 days

We've examined 55,759,690,070 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Ontario, California to Louisville, Kentucky is Friday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$515$449$384$327$321  

Compare Flight Prices from Ontario, California to Louisville, Kentucky by Month Prices shown were found by travelers like you over the past 30 days

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Ontario, California to Louisville, Kentucky flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Ontario, California Louisville, Kentucky American 6/29/18 7/8/18 1 $721
July Ontario, California Louisville, Kentucky American 7/17/18 7/24/18 1 $449
August Ontario, California Louisville, Kentucky Frontier 8/24/18 8/27/18 1 $321
September Ontario, California Louisville, Kentucky American 9/19/18 9/22/18 1 $327
October Ontario, California Louisville, Kentucky United 10/23/18 10/31/18 1 $327
November Ontario, California Louisville, Kentucky American 11/6/18 11/11/18 2 $508
December Ontario, California Louisville, Kentucky American 12/16/18 12/30/18 2 $558

Cheap Last Minute Flights from Ontario, California to Louisville, Kentucky Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Ontario, California to Louisville, Kentucky. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
$581
8 9 10 11 12 13 14
$581

Connecting Flights vs Direct Flights from Ontario, California to Louisville, Kentucky Prices shown were found by travelers like you over the past 30 days

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Ontario, California to Louisville, Kentucky is $469.

The average price for direct flights from Ontario, California to Louisville, Kentucky is not available.

One Way Flights vs Round Trip Flights from Ontario, California to Louisville, Kentucky Prices shown were found by travelers like you over the past 30 days

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario, California to Louisville, Kentucky. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario, California to Louisville, Kentucky is not available.

The average price for round trip flights from Ontario, California to Louisville, Kentucky is $458.

Ontario, California to Louisville, Kentucky Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario, California to Louisville, Kentucky?
Answer: Chicago, IL

Airlines in Ontario, California flying to Louisville, Kentucky Last modified: Jun 19, 2018 1:27 -04:00Number of routes searched: 78Number of itineraries searched: 14,097

Wondering which airlines fly out of Ontario, California to Louisville, Kentucky? We've gathered the average price of Ontario, California airlines with flights to Louisville, Kentucky. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Ontario, California to Louisville, Kentucky
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW
American ORD
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Frontier DEN
Frontier AUS
United DEN
United EWR
United IAD
United IAH
United ORD
American PHX / DFW
American PHX / ORD
American DFW / ORD
Major Airlines SLC / ATL
Major Airlines SLC / DTW
Frontier MCO / AUS

Ontario, California to Louisville, Kentucky Airports

These are the major commercial airports we're currently monitoring in Ontario, California and Louisville, Kentucky. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights from Ontario - ONT Last modified: Jun 19, 2018 1:27 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap International Flights to Louisville - SDF Last modified: Jun 19, 2018 1:27 -04:00Prices shown were found by travelers like you over the past 30 days

On FareCompare, you’ll find cheap flights for domestic and international travel. Since airlines change flight prices constantly, sign up for Fare Alerts and let FareCompare’s travel search engine monitor airline ticket prices of all major airlines, so you’ll be first in line to get the cheapest tickets.

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Cheap Flights from Ontario, California to Louisville, Kentucky