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Cheap flights from Chicago (CHI) to Louisville (SDF) from $75

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 9/30. 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.
CHI — SDF
Jun 16 — Jun 231
From?
To?
Sun 6/16
Sun 6/23
1 adult, Economy
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The best prices from Chicago to Louisville Intl are usually found in December or January, booked 71 days in advance, depart on a Saturday or Sunday and return on a Tuesday

Cheap flight deals from Chicago to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 June 11, 2024.

Popular in

April

Cheapest in

December

Round-trip from

$287

One-way from

$115
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 38% potential price drop
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From Chicago (CHI) to Louisville Intl
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One-way flight from Chicago (CHI) to Louisville Intl
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What is the cheapest day to fly round-trip from Chicago to Louisville?

Friday is generally a great day to depart. Flying on this day could help you save up to 22%.

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

Travelers have found it’s best to book a flight 45 days in advance to save up to 187% 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 45 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 Chicago to Louisville 1-2 weeks in advance for as low as $240, or $388 for flights within the next 24 hours.

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

Our data shows that December tends to be the cheapest month to fly to Louisville from Chicago. Users have commonly found prices around $270 for the month, but tickets can be as low as $101. Due to multiple factors, prepare for potentially higher prices in April.

What is the cheapest time of day to fly from CHI to SDF?

It’s typically best to fly out from Chicago to Louisville in the afternoon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Chicago to Louisville flights in June & July 2024

Find cheap flight options from Chicago to Louisville specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 11, 2024.
Scroll through some of the best deals on flights from Chicago to Louisville in 2024. Check back regularly for other flight deals.
Tue 7/235:00 amORD - SDF
1 stop15h 34mSpirit Airlines
Wed 7/245:45 amSDF - ORD
1 stop18h 44mSpirit Airlines
Deal found 6/10$179
Wed 7/106:46 pmORD - SDF
1 stop22h 48mSpirit Airlines
Wed 7/176:29 pmSDF - ORD
1 stop15h 45mSpirit Airlines
Deal found 6/10$182
Wed 7/106:46 pmORD - SDF
1 stop22h 48mSpirit Airlines
Tue 7/1610:24 pmSDF - ORD
1 stop11h 50mSpirit Airlines
Deal found 6/10$186
Tue 6/255:39 amORD - SDF
1 stop16h 39mSpirit Airlines
Thu 6/277:57 pmSDF - ORD
1 stop15h 04mSpirit Airlines
Deal found 6/10$187
Tue 7/238:22 pmORD - SDF
Nonstop1h 23mAmerican Airlines
Wed 7/246:45 amSDF - ORD
Nonstop1h 36mAmerican Airlines
Deal found 6/10$193
Wed 7/105:37 pmORD - SDF
2 stops26h 49mSpirit Airlines
Wed 7/176:29 pmSDF - ORD
1 stop15h 45mSpirit Airlines
Deal found 6/10$197
Wed 6/2611:01 amORD - SDF
2 stops30h 49mSpirit Airlines
Thu 6/277:57 pmSDF - ORD
1 stop15h 04mSpirit Airlines
Deal found 6/10$201
Mon 7/84:09 pmORD - SDF
1 stop6h 09mSpirit Airlines
Wed 7/106:29 pmSDF - ORD
1 stop15h 45mSpirit Airlines
Deal found 6/10$203
Wed 7/104:32 pmORD - SDF
2 stops27h 54mSpirit Airlines
Wed 7/176:29 pmSDF - ORD
2 stops21h 41mSpirit Airlines
Deal found 6/10$205

Chicago to Louisville 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 11, 2024.
Scroll through some of the best deals on flights from Chicago to Louisville in 2024. Check back regularly for other flight deals.
Mon 8/197:50 pmORD - SDF
Nonstop1h 25mUnited Airlines
Thu 8/227:00 amSDF - ORD
Nonstop1h 31mUnited Airlines
Deal found 6/11$105
Sat 9/78:30 amORD - SDF
1 stop9h 19mSpirit Airlines
Tue 9/107:39 pmSDF - ORD
1 stop15h 16mSpirit Airlines
Deal found 6/11$119
Fri 9/62:27 pmORD - SDF
Nonstop1h 21mAmerican Airlines
Mon 9/98:00 amSDF - ORD
Nonstop1h 33mAmerican Airlines
Deal found 6/11$124
Wed 8/710:05 amORD - SDF
Nonstop1h 30mAmerican Airlines
Wed 8/1410:46 amSDF - ORD
Nonstop1h 39mAmerican Airlines
Deal found 6/11$131
Fri 9/66:40 pmORD - SDF
Nonstop1h 46mAmerican Airlines
Mon 9/98:17 pmSDF - ORD
1 stop4h 42mAmerican Airlines
Deal found 6/11$134
Mon 8/195:27 amORD - SDF
1 stop4h 48mAmerican Airlines
Thu 8/226:28 amSDF - ORD
Nonstop1h 31mAmerican Airlines
Deal found 6/11$141
Mon 8/195:27 amORD - SDF
1 stop4h 48mAmerican Airlines
Fri 8/236:17 amSDF - ORD
1 stop5h 13mAmerican Airlines
Deal found 6/11$150
Fri 9/278:30 amORD - SDF
1 stop9h 19mSpirit Airlines
Mon 9/307:39 pmSDF - ORD
1 stop15h 16mSpirit Airlines
Deal found 6/10$151
Wed 8/77:10 amORD - SDF
1 stop5h 30mDelta
Wed 8/142:20 pmSDF - ORD
1 stop5h 10mDelta
Deal found 6/10$156

Chicago to Louisville flights leaving soon

Find last-minute flight options from Chicago 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 3,117,830 searches. Data last updated June 11, 2024.
Users seeking a last-minute flight from Chicago to Louisville should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 6/216:40 pmORD - SDF
1 stop25h 18mSpirit Airlines
Mon 6/2411:03 amSDF - ORD
2 stops34h 31mSpirit Airlines
Deal found 6/10$291
Fri 6/219:37 pmORD - SDF
2 stops22h 21mSpirit Airlines
Mon 6/2411:03 amSDF - ORD
2 stops22h 31mSpirit Airlines
Deal found 6/10$318
Fri 6/217:05 amORD - SDF
3 stops36h 53mSpirit Airlines
Mon 6/2411:03 amSDF - ORD
2 stops22h 31mSpirit Airlines
Deal found 6/10$336
Fri 6/215:34 pmORD - SDF
1 stop6h 12mSpirit Airlines
Mon 6/247:45 amSDF - ORD
1 stop12h 20mSpirit Airlines
Deal found 6/11$348
Tue 6/186:40 pmORD - SDF
1 stop22h 14mSpirit Airlines
Thu 6/209:11 pmSDF - ORD
1 stop15h 21mSpirit Airlines
Deal found 6/10$355
Fri 6/216:24 pmORD - SDF
Nonstop1h 29mAmerican Airlines
Mon 6/246:32 amSDF - ORD
Nonstop1h 37mAmerican Airlines
Deal found 6/10$357
Fri 6/216:25 pmORD - SDF
1 stop4h 27mAmerican Airlines
Mon 6/246:32 amSDF - ORD
Nonstop1h 37mAmerican Airlines
Deal found 6/10$367
Fri 6/219:10 pmORD - SDF
2 stops15h 54mMultiple Airlines
Sun 6/2311:03 amSDF - ORD
1 stop14h 52mMultiple Airlines
Deal found 6/11$375
Fri 6/219:08 pmMDW - SDF
2 stops22h 50mMultiple Airlines
Mon 6/247:45 amSDF - MDW
2 stops13h 33mMultiple Airlines
Deal found 6/11$378

One-way flights to Louisville from Chicago

Search for one-way flight options from Chicago 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 3,117,830 searches. Data last updated June 11, 2024.
Users traveling one-way from Chicago to Louisville can select one of these great deals. Users needing a return flight from Chicago to Louisville should utilize the search form above.
Mon 9/303:29 pmORD - SDF
1 stop5h 31mAmerican Airlines
Deal found 6/11$75
Mon 9/306:22 pmORD - SDF
2 stops23h 27mSpirit Airlines
Deal found 6/11$78
Fri 9/275:05 amORD - SDF
1 stop12h 44mSpirit Airlines
Deal found 6/10$79
Tue 6/255:39 amORD - SDF
1 stop16h 39mSpirit Airlines
Deal found 6/10$80
Tue 6/259:37 pmORD - SDF
3 stops26h 09mSpirit Airlines
Deal found 6/10$89
Tue 7/98:22 pmORD - SDF
Nonstop1h 23mAmerican Airlines
Deal found 6/11$97
Tue 7/238:22 pmORD - SDF
Nonstop1h 23mAmerican Airlines
Deal found 6/10$98
Thu 8/158:00 amORD - SDF
Nonstop1h 21mAmerican Airlines
Deal found 6/10$99
Wed 7/245:20 amORD - SDF
1 stop16h 58mSpirit Airlines
Deal found 6/10$100

Find flights from Chicago to Louisville within your budget

Customize your flight search to find flights from Chicago 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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$105 - $305

Route

Depart

Return

Price

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 8/19

Nonstop1h 25m

Louisville Intl

Thu 8/22

Nonstop1h 31m

$105

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 9/7

1 stop9h 19m

Louisville Intl

Tue 9/10

1 stop15h 16m

$119

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 9/6

Nonstop1h 21m

Louisville Intl

Mon 9/9

Nonstop1h 33m

$124

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 8/7

Nonstop1h 30m

Louisville Intl

Wed 8/14

Nonstop1h 39m

$131

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 9/6

Nonstop1h 46m

Louisville Intl

Mon 9/9

1 stop4h 42m

$134

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 9/27

1 stop9h 19m

Louisville Intl

Mon 9/30

1 stop15h 16m

$151

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 8/7

1 stop5h 30m

Louisville Intl

Wed 8/14

1 stop5h 10m

$156

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 7/18

1 stop13h 50m

Louisville Intl

Fri 7/19

2 stops23h 54m

$216

Chicago O'Hare IntlLouisville Intl

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sun 6/23

1 stop15h 24m

Louisville Intl

Mon 7/1

1 stop7h 31m

$305

Flights are sorted by cheapest first

Deals found on 6/11

How far ahead should I book a flight from Chicago to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Louisville. Price data was last updated on May 31, 2024.
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from Chicago to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Louisville. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Louisville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Chicago to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 35.6 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 June 11, 2024.
Read through reviews of airlines operating flights from Chicago to Louisville, such as Spirit Airlines, American Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.0
Very good
10,277 reviews
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
10,629 reviews
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,129 reviews
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Sun Country Air
7.3
Good
581 reviews
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Spirit Airlines
6.4
Okay
8,540 reviews
Delta
8.0
Very good
10,277 reviews

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

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

  • What airport do you fly into for flights to Louisville from Chicago?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Louisville from Chicago. Booking flights from Chicago to Louisville Intl (SDF) should be relatively easy as there are 25 daily inbound flights from Chicago from 2 different airlines.

  • Can I find flights from Chicago to Louisville for under $200 on Cheapflights?

    Yes, there are multiple flights from Chicago to Louisville for under $200. The cheapest flight booked recently is on United Airlines for just $105, but on average you can expect to pay $158.

  • Are there nonstop flights from Chicago to Louisville for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Louisville under $200. A good price for a nonstop flight from Chicago to Louisville is less than $195.

  • Are there last-minute flights available from Chicago to Louisville for under $300?

    There are currently 20+ open flights from Chicago to Louisville within the next 7 days for less than $300.

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

    Our cheapest airline available from Chicago to Louisville is United Airlines. Our recent data shows that you can find tickets from as low as $105 on this airline. Additional options worth looking into are Spirit Airlines and American Airlines, starting at $119 and $124 round-trip. You may be able to fly from Chicago to Louisville for 61% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Chicago to Louisville are American Airlines ($75), Spirit Airlines ($78), and Delta ($106).

  • What are the most reliable airlines from Chicago to Louisville?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Louisville on time: SkyWest Airlines (89%), Republic Airways (86%), Air Wisconsin (84%).

  • What are the cheapest flights from Chicago to Louisville?

    Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Chicago O'Hare Intl - Louisville Intl) can be booked for $156 on average our data indicates $249 when flying from Chicago to Louisville.

  • What does ORD to SDF mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Louisville Intl Airport (SDF). Codes like Louisville Intl Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

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

    The amount of baggage you can bring on your Chicago 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 Chicago to Louisville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago 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 Chicago to Louisville that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Louisville that allow pets onboard?

    Many airlines flying from Chicago 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 Chicago to Louisville?

    Yes, you can often find last-minute deals on Chicago 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 Chicago to Louisville flight deals updated?

    The Chicago to Louisville flight deals you see on this page were last updated on 6/11.

  • What is the cheapest month to book a flight from Chicago to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Louisville (average of $287). Flying from Chicago to Louisville in April is currently the most expensive (average of $373). 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.

See more FAQs

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

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Top 2 airlines flying from Chicago to Louisville

Discover the top 2 airlines that operate flights from Chicago 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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$107Average$239FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$258FlexibilityNo cancel feeOn-time71%
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Search flights from Chicago to Louisville by cabin class

Find flights from Chicago 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

Hourly flight availability from Chicago to Louisville

Find hourly flight availability from Chicago to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2024.
1%of flight departuresEarly morningMidnight to 6 am
16%of flight departuresMorning6 am to noon
76%of flight departuresAfternoonNoon to 6 pm
7%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Louisville

Explore weekly flight availability from Chicago 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 June 11, 2024.
Sunday23daily flights
Monday27daily flights
Tuesday26daily flights
Wednesday27daily flights
Thursday27daily flights
Friday25daily flights
Saturday22daily flights

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