Cheap flights from Chicago to Louisville

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CHI-SDF
711 kmmulti-stop
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SDF-CHI
711 kmmulti-stop
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How to get the cheapest flight ticket from Chicago to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

The month of August is, on average, the cheapest month to fly to Louisville from Chicago, with most prices found around R2 723. If you’re not able to fly to Louisville in August, then September is your next best option. Flight prices from Chicago to Louisville during September average around R3 903.

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

You are more likely to see cheaper flights to Louisville from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around R5 509 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Chicago for as low as R3 226 on momondo.

How have Chicago to Louisville flight prices changed over time?

As of October 2025, prices for Chicago to Louisville flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Louisville according to our flight data. Find out which month and days have the cheapest flights.
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Cheap Chicago to Louisville (CHI to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Louisville

Direct flights

None
There are no direct flights from Chicago to Louisville. There are no popular flight routes from Chicago to Louisville.
  • How far is Chicago to Louisville Intl by plane?

    Louisville Intl is 433,3 km away from Chicago.

  • When did momondo last update prices for flights from Chicago to Louisville Intl Airport?

    Prices for flights from Chicago to Louisville Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Chicago to Louisville Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Louisville?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Louisville?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Louisville. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Louisville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Louisville from Chicago with this policy.

How can momondo help me find flights from Chicago to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Louisville.

I’m not ready to book a flight from Chicago to Louisville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Louisville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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