Cheap flights from Louisville to Chicago from $99
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Chicago departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Louisville to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Delta flights from Louisville to Chicago O'Hare Intl Airport
Our best Delta deals on Louisville to Chicago O'Hare Intl Airport flight tickets
United Airlines flights from Louisville to Chicago O'Hare Intl Airport
Our best United Airlines deals on Louisville to Chicago O'Hare Intl Airport flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Louisville to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Sat 11/21
10:12 am-11:00 am
Nonstop1h 48m
Chicago O'Hare Intl
Wed 11/25
6:54 am-9:28 am
Nonstop1h 34m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Thu 11/5
10:13 am-11:00 am
Nonstop1h 47m
Chicago O'Hare Intl
Mon 11/9
2:42 pm-5:13 pm
Nonstop1h 31m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Thu 11/5
10:27 am-11:12 am
Nonstop1h 45m
Chicago O'Hare Intl
Mon 11/9
6:59 am-9:38 am
Nonstop1h 39m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Sat 11/7
7:00 am-7:45 am
Nonstop1h 45m
Chicago O'Hare Intl
Sat 11/14
11:04 am-1:37 pm
Nonstop1h 33m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Thu 11/12
1:14 pm-1:57 pm
Nonstop1h 43m
Chicago O'Hare Intl
Sat 11/14
10:30 am-1:02 pm
Nonstop1h 32m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Fri 11/6
6:31 pm-7:30 pm
Nonstop1h 59m
Chicago O'Hare Intl
Sat 11/7
3:00 pm-5:31 pm
Nonstop1h 31m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Tue 10/27
5:10 am-5:55 am
Nonstop1h 45m
Chicago O'Hare Intl
Thu 10/29
6:59 am-9:38 am
Nonstop1h 39m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Sat 11/7
1:59 pm-8:38 pm
1 stop7h 39m
Chicago O'Hare Intl
Sat 11/14
5:30 am-10:32 am
1 stop4h 02m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Thu 12/10
10:59 am-1:56 pm
1 stop3h 57m
Chicago O'Hare Intl
Wed 12/16
8:39 am-2:29 pm
1 stop4h 50m
LouisvilleChicago
SDF Louisville Intl - ORD Chicago O'Hare Intl
SDFORD
Louisville Intl
Wed 12/9
10:59 am-1:56 pm
1 stop3h 57m
Chicago O'Hare Intl
Fri 12/11
11:35 am-4:53 pm
1 stop4h 18m
See travel insights to Chicago from
How to get the cheapest flight ticket from Louisville to Chicago O'Hare Intl Airport
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 typical price of a round-trip flight between Louisville and Chicago O'Hare Intl Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $285 to $572.The lowest price recently found on this route was $197.
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Louisville averaging around $320.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $532. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $740.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Louisville in the morning is the least expensive time of day to depart. momondo users have found prices as low as $543 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,015. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Louisville Intl to Chicago O'Hare Intl flight route?
Fly from Louisville Intl to Chicago O'Hare Intl for the best Louisville Intl - Chicago O'Hare Intl flight prices
What cabin class options are available on Louisville to Chicago O'Hare Intl Airport flights?
There are 4 cabin classes available to choose from on Louisville to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Louisville to Chicago O'Hare Intl Airport flight prices changed over time?
As of October 2026, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 61% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Louisville Intl to Chicago O'Hare Intl?
United Airlines and Delta are the most popular carriers operating from Louisville Intl to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Contour are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Louisville according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per day?
The number of flights available between Louisville and Chicago O'Hare Intl Airport is 38 per day as of October 2026. The most frequent departure time is 10:00AM, with 45% of daily flights leaving at noon.
How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per week?
As of October 2026, there are 266 flights per week flying from Louisville to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.
When to book flights from Louisville to Chicago O'Hare Intl Airport
Cheap Louisville to Chicago O'Hare Intl Airport (SDF to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to Chicago O'Hare Intl Airport
Frequently asked questions about flying from Louisville to Chicago O'Hare Intl Airport
How far is Louisville Intl to Chicago O'Hare Intl by plane?
The straight-line distance from Louisville Intl to Chicago O'Hare Intl is 281.5 mi. By plane, this route typically takes 1h 36m.
When did momondo last update prices for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport?
Prices for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport?
There are 2 operators available for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport as of October 2026.
How old do you have to be to fly from Louisville Intl Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to Chicago O'Hare Intl Airport is Embraer 175 (19.85% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (17.65%), Canadair (Bombardier) Regional Jet CRJ-550 (13.48%), and Embraer 170 (12.87%).
What is the most popular airline from Louisville to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Chicago O'Hare Intl Airport is United Airlines (58% of total bookings). The next most popular airline is American Airlines (42%).
Best airlines flying from Louisville to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Louisville to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $178 | Free Cancellation | Rating 7.4 10,332 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 7.0 12,152 reviews |
United Airlines Flights From Louisville to Chicago O'Hare Intl Airport
United Airlines is one of the most popular airlines flying from Louisville to Chicago O'Hare Intl Airport, operating 35 flights/week on average for this route. A good United Airlines flight deal for Louisville to Chicago O'Hare Intl Airport starts from $178 round-trip, up to an average price of $404. Our users have rated United Airlines at 7.4/10.
American Airlines Flights From Louisville to Chicago O'Hare Intl Airport
The best American Airlines deal for Louisville to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $208, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $313 round-trip. American Airlines operates 20 flights out of Louisville into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 12,152 American Airlines reviews by users on momondo have scored the airline at 7.0/10.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Louisville to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from Louisville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Louisville to Chicago?
Once you have performed a search for Louisville to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Louisville to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Louisville to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.