Popular in | February |
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Cheapest in | October |
Round-trip from | $238 |
One-way from | $214 |
It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Travelers have found it’s best to book a flight 17 days in advance to save up to 70% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 17 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Louisville to Ontario 1-2 weeks in advance for as low as $127, or $288 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Ontario. Flights to Ontario from Louisville in September are about $202 on average during September, but can be found for as low as $86.
When flying from Louisville to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 66% versus a flight at noon.
Fly from
Fly to
Budget
$212 - $656
Route
Depart
Return
Price
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 5/3
1 stop28h 19m
Ontario
Fri 5/10
2 stops19h 19m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 5/3
1 stop28h 19m
Ontario
Sat 5/11
2 stops17h 14m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 4/26
1 stop18h 47m
Ontario
Sun 4/28
2 stops19h 42m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 4/26
1 stop18h 47m
Ontario
Mon 4/29
2 stops17h 46m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 4/26
1 stop18h 47m
Ontario
Mon 4/29
1 stop9h 07m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Mon 4/22
1 stop8h 29m
Ontario
Mon 4/29
1 stop9h 28m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Tue 4/16
1 stop8h 22m
Ontario
Wed 4/17
1 stop6h 38m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Fri 5/3
2 stops20h 09m
Ontario
Sat 5/11
2 stops26h 44m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Thu 5/2
2 stops16h 02m
Ontario
Mon 5/6
2 stops11h 40m
Currently, October is the cheapest month in which you can book a flight from Louisville to Ontario (average of $237). Flying from Louisville to Ontario in June is currently the most expensive (average of $349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$271
February
$287
March
$281
April
$297
May
$274
June
$349
July
$334
August
$288
September
$258
October
$237
November
$268
December
$271
LAX Temperature | 57.2 - 73.4 °F |
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Crew
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Crew
Food
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Overall
Boarding
Entertainment
Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Louisville to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Louisville to Ontario.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Louisville to Ontario, users can toggle the no change fees filter when performing a flight search.
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
Yes, you can often find last-minute deals on Louisville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.
Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.