SDF - ORD

$99 Find Cheap Flights from Louisville to Chicago O'Hare Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$197
Typical prices: $287-$494
American Airlines
Sat 12/8Mon 12/10
SDF - ORD • Non-stop
Cheapest one-way
$99
Typical prices: $145-$303
American Airlines
Thu 1/18
SDF - ORD • Non-stop
Nonstop flights
Every day
You can fly direct with United Airlines and American Airlines. Average duration is 1h 49m
Direct flights
+1
Direct flights
+1
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 62% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 30% price drop
June
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Louisville to O'Hare Intl (SDF-ORD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to O'Hare Intl

Tue, Dec 8 - Thu, Dec 10
American Airlines Logo
6:52 pm - 7:45 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 53mnonstop
American Airlines Logo
6:47 am - 9:22 amORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 35mnonstop
$197American Airlines
Tue, Dec 29 - Fri, Jan 1
American Airlines Logo
6:47 pm - 7:50 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
2h 03mnonstop
American Airlines Logo
6:37 pm - 9:15 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 38mnonstop
$197American Airlines
Wed, Dec 30 - Fri, Jan 15
United Airlines Logo
7:00 am - 7:49 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 49mnonstop
United Airlines Logo
5:50 pm - 8:29 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 39mnonstop
$197United Airlines
Thu, Jan 7 - Tue, Jan 12
United Airlines Logo
2:05 pm - 2:53 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 48mnonstop
United Airlines Logo
1:55 pm - 4:35 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 40mnonstop
$197United Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
10:13 am - 11:00 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 47mnonstop
American Airlines Logo
7:00 pm - 9:38 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 38mnonstop
$197American Airlines
Fri, Feb 26 - Sat, Feb 27
United Airlines Logo
9:37 am - 10:20 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 43mnonstop
United Airlines Logo
9:25 pm - 11:59 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 34mnonstop
$197United Airlines
Wed, Dec 30 - Fri, Jan 1
American Airlines Logo
2:54 pm - 3:40 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 46mnonstop
American Airlines Logo
8:29 am - 11:04 amORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 35mnonstop
$197American Airlines
Mon, Jan 11 - Thu, Jan 21
Multiple Airlines Logo
8:41 pm - 12:50 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
29h 09m1 stop Fort Lauderdale
Multiple Airlines Logo
8:25 am - 9:49 amORD  Chicago O'Hare Intl-SDF Louisville Intl
24h 24m1 stop Fort Lauderdale
$210Multiple Airlines
Tue, Dec 29 - Wed, Jan 13
Delta Logo
6:55 pm - 12:02 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
6h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:50 am - 3:12 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
4h 22m1 stop Atlanta Hartsfield-Jackson
$217Delta
Tue, Dec 29 - Tue, Jan 12
Delta Logo
6:55 pm - 12:02 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
6h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:07 pm - 11:59 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
5h 52m1 stop Atlanta Hartsfield-Jackson
$217Delta
Booking Insights

Price, demand and travel trends for Louisville to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Louisville to Chicago O'Hare Intl Airport?

Round-trip flights from Louisville to Chicago O'Hare Intl Airport typically range from $287 to $494. The lowest price found in the past 5 days was $197, on American Airlines.

What's the cheapest day of the week to fly from Louisville to Chicago O'Hare Intl Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Louisville to Chicago O'Hare Intl Airport. It’s 19% cheaper than the average day, while Monday is the most expensive, with prices 22% higher.

What’s the cheapest month to fly from Louisville to Chicago O'Hare Intl Airport?

•January is the cheapest month to fly from Louisville to Chicago O'Hare Intl Airport at $255 round-trip.
•August ($443) and October ($411) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Louisville to Chicago O'Hare Intl Airport the cheapest?

Flights from Louisville to Chicago O'Hare Intl Airport are cheapest 22 weeks before departure. Booking in this window typically costs about 62% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Louisville to O'Hare Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ANA

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Key details for Louisville to Chicago O'Hare Intl Airport flights

Low season

January

Cheapest flight

$99
Beat the crowds with an average 29% drop in travelers.
The most popular month to fly with an average 34% increase in travelers.
One-way flight from Louisville to Chicago O'Hare Intl Airport

When to book flights from Louisville to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Louisville to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to Chicago O'Hare Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Louisville to Chicago O'Hare Intl Airport?

    These are the earliest and latest flight times available from Louisville to Chicago O'Hare Intl Airport:

    • Earliest: departs at 5:10 am and lands at 6:59 am
    • Latest: departs at 7:11 pm and lands at 9:00 pm.

    The flight takes about 1h 49m.

  • What cabin classes can I book on flights from Louisville to Chicago O'Hare Intl Airport?

    Two cabin classes are available on flights from Louisville to Chicago O'Hare Intl Airport:

    • Economy Class
    • First Class

  • How long is a flight from Louisville to Chicago O'Hare Intl Airport?

    A nonstop flight from Louisville to Chicago O'Hare Intl Airport takes 1h 49m, covering 287 miles.

  • Do I need a passport to fly from Louisville to Chicago O'Hare Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Louisville to Chicago O'Hare Intl Airport flight?

    Round-trip flights from Louisville to Chicago O'Hare Intl Airport range from $287 to $494, with an average of $366 over the past 12 months. Anything below $287 counts as a good deal.

  • How expensive are last-minute Louisville to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 61% above the $366 route average. Book 22 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Louisville to Chicago O'Hare Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $284 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $367 for nonstop.

  • What is the standard checked-bag allowance on flights from Louisville to Chicago O'Hare Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Louisville to Chicago O'Hare Intl Airport?

    The Embraer 175 family is used most often on this route, operated mainly by American Airlines and Delta. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

  • How are flight departures from Louisville to Chicago O'Hare Intl Airport spread across the day?

    Morning is the busiest departure period on Louisville to Chicago O'Hare Intl Airport flights, with 56% of flights leaving in that window. Afternoon departures account for 22%, evening flights for 22%, and night flights for 0%.

  • Have flight prices from Louisville to Chicago O'Hare Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $197 to $1,236. That means the highest observed fare was about 6x higher than the lowest one.

  • Which airlines offer Wi-Fi on Louisville to Chicago O'Hare Intl Airport flights?

    American Airlines is the only airline on the Louisville to Chicago O'Hare Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Louisville to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Louisville to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $103, which is 57% below the typical average for this route.

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Hertz
    • Ace
    • Dollar

  • Which airports can I use when flying from Louisville to Chicago O'Hare Intl Airport?

    Flights from Louisville to Chicago O'Hare Intl Airport usually depart from Louisville Intl (SDF) and arrive at Chicago O'Hare Intl (ORD).

  • Which airports do connecting flights from Louisville to Chicago O'Hare Intl Airport pass through?

    Most connecting flights from Louisville to Chicago O'Hare Intl Airport pass through Detroit Metropolitan Wayne County (DTW), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Louisville to Chicago O'Hare Intl Airport?

    Yes. Flexible dates can save you up to 34% on flights from Louisville to Chicago O'Hare Intl Airport. Saturday is the cheapest departure day at $298 round-trip on average, while Monday is the most expensive at $449, a difference of $151.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Louisville to Chicago O'Hare Intl Airport?

    2 airlines operate flights between Louisville and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:

    • United Airlines
    • American Airlines

  • What is the time difference between Louisville and Chicago O'Hare Intl Airport?

    Chicago O'Hare Intl Airport is 1 hour behind Louisville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Louisville to Chicago O'Hare Intl Airport flights?

    Among airlines operating Louisville to Chicago O'Hare Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Louisville to Chicago O'Hare Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Louisville to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $298, about $151 less than Monday fares (34% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 62% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Louisville to Chicago O'Hare Intl Airport trip for January. Fares historically average $255 round-trip in that month - typically $188 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Detroit Metropolitan Wayne County Airport (DTW) can be cheaper than flying direct. The cheapest layover option averages $284 round-trip on this route - about $83 less than direct flights (based on the last 12 months).

Prefer to fly direct from Louisville to Chicago O'Hare Airport?

 
Find which airlines fly direct from Louisville Intl Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Louisville Intl to Chicago O'Hare Intl

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Chicago O'Hare Intl to Louisville Intl

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

More options for your flight from Louisville to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car rental

Car rentals in Chicago
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