Popular in | May |
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Cheapest in | August |
Average price | $555 |
Round-trip from | $238 |
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 59 days in advance to save up to 67% 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 59 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 $136, or $262 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Ontario. Flights to Ontario from Louisville in September are about $230 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 69% versus a flight at noon.
Fly from
Fly to
Budget
$376 - $576
Route
Depart
Return
Price
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Sat 7/20
1 stop7h 13m
Ontario
Fri 7/26
1 stop8h 14m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Tue 7/16
1 stop7h 13m
Ontario
Thu 7/25
1 stop6h 49m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Thu 7/18
1 stop7h 13m
Ontario
Fri 7/26
1 stop6h 49m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Mon 9/9
1 stop6h 32m
Ontario
Sun 9/15
1 stop7h 29m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Mon 7/15
1 stop6h 14m
Ontario
Sat 7/20
1 stop6h 12m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Sat 7/20
1 stop6h 14m
Ontario
Tue 7/23
2 stops10h 10m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Thu 7/11
1 stop8h 13m
Ontario
Tue 7/23
1 stop6h 18m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Sat 7/6
1 stop6h 18m
Ontario
Sat 7/13
1 stop5h 58m
Louisville IntlOntario
SDF - ONT
SDFONT
Louisville Intl
Tue 8/6
2 stops11h 29m
Ontario
Mon 8/12
2 stops14h 57m
LAX Temperature | 57.2 - 73.4 °F |
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If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Spirit Airlines | Cheapest$103 | Average$212 | FlexibilityNo cancel fee | On-time65% |
Delta | Cheapest$306 | Average$464 | FlexibilityNo cancel fee | On-timeN/A |
American Airlines | Cheapest$377 | Average$584 | FlexibilityNo cancel fee | On-time71% |
United Airlines | Cheapest$389 | Average$517 | FlexibilityNo cancel fee | On-time69% |