HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario to Louisville (ONT - SDF) from $194

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SDF
abr. 30 — may. 71
From?
To?
mar. 4/30
mar. 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Louisville Intl are usually found in September or January, booked 29 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 25, 2024.

Popular in

August

Cheapest in

September

Average price

$453

Round-trip from

$287
High demand for flights, 34% potential price rise
Search Deals
Best time to find cheap flights, 68% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From Ontario to Louisville Intl
Search Deals

What is the cheapest day to fly round-trip from Ontario to Louisville?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 35% on the overall cost on flights from Ontario to Louisville.

How far in advance should I book a flight from Ontario to Louisville?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 131% on flights from Ontario to Louisville compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $138. For sooner than that we have options available in the next 3 days from $268.

What is the cheapest month to fly from Ontario to Louisville?

August can be a great time to fly to Louisville from Ontario with a flight ticket averaging about $232. Cheapflights users have found deals in the month of August for as cheap as $87. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Ontario to Louisville (ONT - SDF)?

Unlike at noon, when flights are generally more expensive, you can save up to 83% on flights from Ontario to Louisville by exploring options for tickets in the afternoon.

Cheap Alaska Airlines flights from Ontario to Louisville

Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Ontario to Louisville. Make sure to check back often as deals are often changing.
lun. 5/137:59 pmONT - SDF
2 stops11h 40mAlaska Airlines
sáb. 5/186:01 amSDF - ONT
2 stops12h 25mAlaska Airlines
Deal found 4/24$813
mié. 5/294:21 pmONT - SDF
2 stops15h 26mAlaska Airlines
dom. 6/26:46 amSDF - ONT
2 stops11h 40mAlaska Airlines
Deal found 4/24$877
mié. 6/126:00 amONT - SDF
2 stops11h 53mAlaska Airlines
mié. 6/196:32 amSDF - ONT
2 stops11h 57mAlaska Airlines
Deal found 4/24$956
jue. 5/236:00 amONT - SDF
2 stops11h 50mAlaska Airlines
jue. 5/306:46 amSDF - ONT
2 stops11h 40mAlaska Airlines
Deal found 4/24$1,007
vie. 5/248:09 pmONT - SDF
2 stops11h 23mAlaska Airlines
lun. 5/276:01 amSDF - ONT
2 stops12h 25mAlaska Airlines
Deal found 4/24$1,088
vie. 5/36:00 amONT - SDF
2 stops13h 50mAlaska Airlines
lun. 5/62:34 pmSDF - ONT
2 stops12h 25mAlaska Airlines
Deal found 4/24$1,355
vie. 5/37:59 pmONT - SDF
2 stops11h 18mAlaska Airlines
lun. 5/62:34 pmSDF - ONT
2 stops12h 25mAlaska Airlines
Deal found 4/23$2,063
vie. 5/36:00 amONT - SDF
2 stops13h 50mAlaska Airlines
dom. 5/53:26 pmSDF - ONT
2 stops11h 33mAlaska Airlines
Deal found 4/24$2,263

Cheap United Airlines flights from Ontario to Louisville

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Ontario to Louisville. Check back soon if you're not seeing flights that suit your needs.
sáb. 5/181:36 pmONT - SDF
1 stop6h 41mUnited Airlines
jue. 5/233:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/24$483
sáb. 5/116:00 amONT - SDF
2 stops26h 44mUnited Airlines
mié. 5/159:04 amSDF - ONT
1 stop6h 36mUnited Airlines
Deal found 4/23$522
mié. 6/125:15 amONT - SDF
1 stop6h 17mUnited Airlines
mié. 6/199:21 amSDF - ONT
1 stop14h 27mUnited Airlines
Deal found 4/24$530
mié. 6/265:15 amONT - SDF
1 stop14h 03mUnited Airlines
vie. 6/283:35 pmSDF - ONT
1 stop8h 13mUnited Airlines
Deal found 4/24$554
sáb. 6/225:15 amONT - SDF
1 stop14h 03mUnited Airlines
sáb. 7/69:15 amSDF - ONT
1 stop14h 33mUnited Airlines
Deal found 4/24$589
jue. 5/235:15 amONT - SDF
1 stop6h 17mUnited Airlines
vie. 5/313:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/24$593
mié. 5/85:15 amONT - SDF
1 stop6h 17mUnited Airlines
dom. 5/129:04 amSDF - ONT
1 stop6h 36mUnited Airlines
Deal found 4/24$608
mar. 5/286:25 pmONT - SDF
1 stop17h 07mUnited Airlines
dom. 6/23:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/24$610
lun. 6/245:15 amONT - SDF
1 stop14h 03mUnited Airlines
mié. 6/263:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/24$613

Cheap Ontario to Louisville flights in April & May 2024

Find cheap flight options from Ontario to Louisville specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Prices were last updated on abril 25, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Louisville in 2024. Check back in a little while for more flight options.
dom. 5/2612:50 pmONT - SDF
1 stop8h 07mAmerican Airlines
jue. 5/3011:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/23$386
dom. 5/2612:53 pmONT - SDF
2 stops8h 04mAmerican Airlines
jue. 5/3011:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/23$391
sáb. 5/116:00 amONT - SDF
1 stop8h 16mDelta
mié. 5/156:00 amSDF - ONT
1 stop8h 40mDelta
Deal found 4/23$432
sáb. 5/1810:34 amONT - SDF
1 stop8h 48mAmerican Airlines
lun. 5/204:45 pmSDF - ONT
1 stop8h 44mAmerican Airlines
Deal found 4/23$438
sáb. 5/1812:53 pmONT - SDF
2 stops8h 04mAmerican Airlines
lun. 5/204:45 pmSDF - ONT
1 stop8h 44mAmerican Airlines
Deal found 4/23$443
jue. 5/912:50 pmONT - SDF
1 stop8h 09mDelta
sáb. 5/113:07 pmSDF - ONT
1 stop7h 59mDelta
Deal found 4/23$466
sáb. 5/256:00 amONT - SDF
1 stop8h 08mDelta
mar. 5/283:07 pmSDF - ONT
1 stop7h 59mDelta
Deal found 4/24$468
jue. 5/912:50 pmONT - SDF
1 stop8h 07mAmerican Airlines
sáb. 5/1111:29 amSDF - ONT
2 stops10h 19mAmerican Airlines
Deal found 4/23$469
sáb. 5/116:00 amONT - SDF
1 stop8h 16mDelta
mié. 5/156:00 amSDF - ONT
1 stop8h 40mDelta
Deal found 4/22$484

Ontario to Louisville 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Louisville in 2024. Check back in a little while for more flight options.
dom. 5/2612:50 pmONT - SDF
1 stop8h 07mAmerican Airlines
jue. 5/3011:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/23$386
dom. 5/2612:53 pmONT - SDF
2 stops8h 04mAmerican Airlines
jue. 5/3011:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/23$391
mar. 6/1112:49 pmONT - SDF
1 stop6h 39mAmerican Airlines
mar. 6/188:32 pmSDF - ONT
1 stop6h 27mAmerican Airlines
Deal found 4/23$398
mar. 6/115:00 pmONT - SDF
2 stops13h 46mDelta
mar. 6/182:20 pmSDF - ONT
2 stops12h 22mDelta
Deal found 4/23$408
mié. 6/267:05 amONT - SDF
1 stop9h 14mDelta
mar. 7/26:03 pmSDF - ONT
1 stop7h 57mDelta
Deal found 4/23$417
mar. 7/910:00 pmONT - SDF
1 stop9h 03mDelta
mié. 7/2412:59 pmSDF - ONT
1 stop9h 43mDelta
Deal found 4/23$422
mié. 6/127:05 amONT - SDF
1 stop8h 47mDelta
mié. 6/192:20 pmSDF - ONT
2 stops12h 22mDelta
Deal found 4/23$427
sáb. 5/116:00 amONT - SDF
1 stop8h 16mDelta
mié. 5/156:00 amSDF - ONT
1 stop8h 40mDelta
Deal found 4/23$432
sáb. 5/1810:34 amONT - SDF
1 stop8h 48mAmerican Airlines
lun. 5/204:45 pmSDF - ONT
1 stop8h 44mAmerican Airlines
Deal found 4/23$438

Ontario to Louisville flights leaving soon

Find last-minute flight options from Ontario to Louisville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
Book one of these great deals on flights from Ontario to Louisville. Users should be sure to double check the price, date, and time of their last-minute flight.
lun. 4/296:00 amONT - SDF
2 stops26h 44mUnited Airlines
mié. 5/85:55 amSDF - ONT
2 stops20h 09mUnited Airlines
Deal found 4/23$636
lun. 4/2911:59 pmONT - SDF
1 stop7h 16mAmerican Airlines
mié. 5/811:29 amSDF - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/23$659
mar. 4/306:00 amONT - SDF
2 stops14h 37mUnited Airlines
dom. 6/23:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/23$696
mié. 5/11:36 pmONT - SDF
1 stop6h 41mUnited Airlines
mié. 5/83:30 pmSDF - ONT
1 stop8h 23mUnited Airlines
Deal found 4/23$717
jue. 5/212:42 pmONT - SDF
1 stop6h 31mDelta
lun. 5/65:26 pmSDF - ONT
1 stop8h 36mDelta
Deal found 4/24$730
jue. 5/210:00 amONT - SDF
2 stops9h 13mAmerican Airlines
lun. 5/68:28 pmSDF - ONT
1 stop6h 28mAmerican Airlines
Deal found 4/23$735
jue. 5/212:42 pmONT - SDF
1 stop6h 31mDelta
dom. 5/55:05 pmSDF - ONT
1 stop8h 57mDelta
Deal found 4/24$748
mié. 5/11:36 pmONT - SDF
1 stop6h 41mUnited Airlines
mié. 5/812:25 pmSDF - ONT
2 stops13h 39mUnited Airlines
Deal found 4/23$757
mar. 4/305:15 amONT - SDF
1 stop6h 19mUnited Airlines
dom. 6/23:28 pmSDF - ONT
1 stop8h 20mUnited Airlines
Deal found 4/23$766

One-way flights to Louisville from Ontario

Search for one-way flight options from Ontario to Louisville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
Take a look at some of the one-way flights we've detected from Ontario to Louisville. Users in need of a round-trip flight from Ontario to Louisville instead should update the search form at the top of page.
jue. 5/3012:50 pmONT - SDF
1 stop6h 32mAmerican Airlines
Deal found 4/24$194
mié. 5/1512:50 pmONT - SDF
1 stop8h 07mAmerican Airlines
Deal found 4/24$199
mié. 5/2912:53 pmONT - SDF
2 stops8h 04mAmerican Airlines
Deal found 4/24$204
sáb. 5/256:00 amONT - SDF
1 stop8h 08mDelta
Deal found 4/24$219
vie. 5/1710:00 pmONT - SDF
2 stops10h 37mDelta
Deal found 4/24$224
sáb. 5/251:35 pmONT - SDF
2 stops20h 47mUnited Airlines
Deal found 4/24$226
vie. 5/1010:29 pmONT - SDF
1 stop9h 30mAmerican Airlines
Deal found 4/24$232
mié. 5/812:50 pmONT - SDF
1 stop8h 09mDelta
Deal found 4/24$233
vie. 5/1010:00 pmONT - SDF
2 stops10h 37mDelta
Deal found 4/24$238

Find flights from Ontario to Louisville within your budget

Customize your flight search to find flights from Ontario to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$418 - $813

Route

Depart

Return

Price

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

sáb. 5/18

1 stop8h 09m

Louisville Intl

mar. 5/21

1 stop8h 40m

$418

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

sáb. 5/11

1 stop8h 16m

Louisville Intl

mié. 5/15

1 stop8h 40m

$432

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

sáb. 10/5

1 stop5h 53m

Louisville Intl

lun. 10/7

1 stop7h 47m

$438

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

jue. 5/16

1 stop8h 42m

Louisville Intl

mar. 5/21

1 stop7h 40m

$448

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

jue. 5/9

1 stop8h 07m

Louisville Intl

sáb. 5/11

1 stop8h 51m

$466

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

jue. 5/9

1 stop6h 07m

Louisville Intl

sáb. 5/11

2 stops9h 50m

$469

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

sáb. 5/18

1 stop6h 41m

Louisville Intl

jue. 5/23

1 stop8h 20m

$483

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

sáb. 5/11

2 stops26h 44m

Louisville Intl

mié. 5/15

1 stop6h 36m

$522

OntarioLouisville Intl

ONT - SDF

ONTSDF

Ontario

lun. 5/13

2 stops11h 40m

Louisville Intl

sáb. 5/18

2 stops12h 25m

$813

Flights are sorted by cheapest first

Deals found on 4/24

When is the best time to book a flight from Ontario to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Louisville. Price data was last updated on January 28, 2024.
Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Ontario to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Louisville. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Louisville flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Louisville by month

Plan your trip from Ontario to Louisville by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Louisville is currently $219 while a round-trip flight costs $499. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from Ontario to Louisville (average of $287). Flying from Ontario to Louisville in April is currently the most expensive (average of $368). 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

$287

February

$332

March

$359

April

$368

May

$347

June

$357

July

$346

August

$303

September

$302

October

$328

November

$337

December

$316

Temperature and rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average temperature and rainfall totals by month.

SDF

Temperature

35.6 - 78.8 °F

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated abril 25, 2024.
Read reviews from past customers who have flown Alaska Airlines, United Airlines and Delta from Ontario to Louisville. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
11,004 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Ontario to Louisville for under $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to Louisville for under $500. The cheapest flight booked recently is on Delta for just $418, but on average you can expect to pay $478.

  • Are there last-minute flights available from Ontario to Louisville for under $700?

    There are currently 20+ open flights from Ontario to Louisville within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Ontario to Louisville round-trip?

    Flying on Delta is currently your cheapest option to Louisville, with prices starting at $418. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $438 and $483, respectively. Delta is currently priced 13% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Louisville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $194. Delta flights start at $219 while deals on United Airlines start at $226 one-way.

  • What are the most popular airlines that fly from Ontario to Louisville?

    American Airlines, Delta and Spirit Airlines are the most popular airlines when flying from Ontario to Louisville.

  • What does ONT to SDF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Louisville Intl Airport flight would often be abbreviated as a ONT to SDF flight.

  • Can I find deals for flights from Ontario to Louisville that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Louisville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Louisville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Louisville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Louisville that include hotel bookings?

    Yes. In addition to deals on Ontario to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Louisville.

  • Can I find deals for business class flights from Ontario to Louisville?

    Yes. Cheapflights offers flight deals from Ontario to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Louisville that allow pets onboard?

    Many airlines flying from Ontario to Louisville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Louisville?

    Yes, you can often find last-minute deals on Ontario to Louisville 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.

  • How recently were the Ontario to Louisville flight deals updated?

    The Ontario to Louisville flight deals you see on this page were last updated on 4/23.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Louisville
See prices for flight routes from nearby airports that may be better suited for you.

San Francisco to Louisville flights
Los Angeles to Louisville flights
Los Angeles to Lexington flights
Ontario to Lexington flights
Santa Ana to Lexington flights
Oakland to Louisville flights
San Diego to Lexington flights
San Jose to Louisville flights
San Francisco to Lexington flights
San Diego to Louisville flights
Burbank to Louisville flights
Santa Ana to Louisville flights
Fresno to Louisville flights
Sacramento to Lexington flights
Burbank to Lexington flights
Sacramento to Louisville flights
San Jose to Lexington flights
Reno to Lexington flights
Reno to Louisville flights
Oakland to Lexington flights
Fresno to Lexington flights
Palm Springs to Louisville flights
Long Beach to Louisville flights
Bakersfield to Louisville flights
Palm Springs to Lexington flights
Santa Barbara to Lexington flights
Monterey to Louisville flights
San Jose to Paducah flights
Long Beach to Lexington flights
San Luis Obispo to Lexington flights
Los Angeles to Paducah flights
Bakersfield to Lexington flights
San Jose to Owensboro flights
Santa Ana to Paducah flights
Santa Barbara to Louisville flights
San Francisco to Paducah flights
Ontario to Paducah flights
Oakland to Owensboro flights
San Francisco to Owensboro flights
Sacramento to Paducah flights
Santa Rosa to Lexington flights

Top 4 airlines flying from Ontario to Louisville

Discover the top 4 airlines that operate flights from Ontario to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated abril 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$148FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$319Average$486FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$367Average$504FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$368Average$491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Tijuana to Mexico City flights
New York John F Kennedy Intl Airport to New Delhi flights
Los Angeles to Portland flights
Dallas to Boston flights
New York to San Francisco flights
Los Angeles to Kaua'i flights
Philadelphia to Nashville flights
Houston to Nashville flights
San Francisco to Dubai flights
Phoenix to New York flights
Detroit to Phoenix flights
Ontario to Santo Domingo flights

Search flights from Ontario to Louisville by cabin class

Find flights from Ontario to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Weekly flight availability from Ontario to Louisville

Explore weekly flight availability from Ontario to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 25, 2024.
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Fez Sais
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros
Flights to Lanzhou Arpt
Flights to Mason City

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Louisville?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Louisville from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Louisville?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Louisville for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Louisville become cheaper?

Yes! Start tracking prices for Ontario to Louisville flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines