$49 Cheap United flights Chicago (ORD) to Louisville (SDF)

View $49 flight on Tue, Oct 28, 2025Opens in a new window

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$49 Cheap United flights Chicago (ORD) to Louisville (SDF)

Prices were available within the past 7 days and start at $49 for one-way flights and $93 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 10 - Mon, Sep 15
ORD
Chicago
SDF
Louisville
$93 Roundtrip, found 5 days ago
$93
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Chicago to Louisville, returning Mon, Sep 15, priced at $93 found 5 days ago
United
Thu, Oct 16 - Mon, Oct 20
ORD
Chicago
SDF
Louisville
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Oct 16 from Chicago to Louisville, returning Mon, Oct 20, priced at $97 found 2 hours ago
United
Mon, Sep 8 - Thu, Sep 11
ORD
Chicago
SDF
Louisville
$107 Roundtrip, found 2 days ago
$107
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 8 from Chicago to Louisville, returning Thu, Sep 11, priced at $107 found 2 days ago
United
Thu, Sep 4 - Mon, Sep 8
ORD
Chicago
SDF
Louisville
$110 Roundtrip, found 22 hours ago
$110
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Sep 4 from Chicago to Louisville, returning Mon, Sep 8, priced at $110 found 22 hours ago
United
Thu, Sep 4 - Mon, Sep 8
ORD
Chicago
SDF
Louisville
$111 Roundtrip, found 22 hours ago
$111
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Sep 4 from Chicago to Louisville, returning Mon, Sep 8, priced at $111 found 22 hours ago
United
Thu, Aug 7 - Sat, Aug 23
ORD
Chicago
SDF
Louisville
$116 Roundtrip, found 5 days ago
$116
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 7 from Chicago to Louisville, returning Sat, Aug 23, priced at $116 found 5 days ago
Flights from Chicago (ORD) to Louisville (SDF)
Origin airport
O'Hare Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
285 mi
Average flight time
2 hours 28 mins

Frequently asked questions

How much is a United Airlines flight from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)?
You'll find budget-friendly return United Airlines flights from $93 from ORD to SDF by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $49 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to SDF with United Airlines?
January is one of the least expensive months to travel to Louisville with United Airlines. You could also find fantastic deals on one-way and return fares in December.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF) with United Airlines?
Begin your search one to three months ahead of your travel date to score cheap fares on United Airlines flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)?
Jet off on one of United Airlines's 28 direct weekly flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). To view available options, enter your origin, destination and dates and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from ORD to SDF with United Airlines?
Take off from O'Hare Intl. Airport (ORD) for Louisville Intl. Airport (SDF) on a nonstop United Airlines flight, and you'll be airborne for approximately 1h 29m.
Which day of the week has the most United Airlines flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)?
United Airlines operates the most flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF) on Thursday. With up to 4 daily departures, you'll get the most flexibility and choice on this day.
What is the earliest United Airlines flight from ORD to SDF?
The first United Airlines flight from ORD to SDF departs at 10:45AM UTC-6, arriving at 1:14PM UTC-5. If you want to jet off later, the last United Airlines flight leaves ORD at 7:59PM UTC-6 and touches down at SDF at 10:30PM UTC-5. Flying before midday is generally a smart option as morning and mid-morning flights are 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Louisville?
Louisville Intl. Airport (SDF) is the main Louisville gateway for United Airlines flights from O'Hare Intl. Airport (ORD).
Why fly with United Airlines from ORD to SDF?
Offering a rewarding loyalty program, United Airlines is a popular choice for many travelers heading from ORD to SDF. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)?
United Airlines typically uses Embraer 175 planes for flights from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). This airline also operates the Bombardier CRJ on this route. Remember that aircraft type can vary due to operational needs, so the plane you board might be different on your travel date.
Can I change or cancel my United Airlines flight from O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)?
It's usually possible to change or cancel your flight, although there may be additional charges if your booking was made more than 24 hours ago. Need to keep your options open? Make use of Expedia's "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you have to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for more details.

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