$49 Cheap flights from O'Hare Intl. to Louisville Intl. (ORD to SDF)

United Airlines and American Airlines are a couple of the airlines that advertise nonstop flights from O’Hare Airport to SDF. If you want to get to where you’re headed without a stopover, these are the options for you.

If you were planning to drift into a long and blissful slumber during your Chicago to Louisville trip, you’ll have to rethink those plans. The average flight time between O’Hare Intl. Airport (ORD) and Louisville Intl. Airport (SDF) is a short 1 hour and 22 minutes — just enough to get comfortable and unwind for a little while.

There’s a flight distance of 290 mi between ORD and Louisville Muhammad Ali Intl. Airport. Take advantage of your short plane journey to jot down all the popular sightseeing places you want to visit and how you’re going to get there. A comprehensive itinerary is key to having a fantastic vacation.

If you’re flying to Louisville from Chicago, you’ll find a number of airlines advertising direct flights. One of the best is United Airlines (UA), which operates 152 flights on this route every month. Another popular choice is American Airlines (AA), which has 112 flights every month. The more airlines you consider, the more likely you are to snag an amazing deal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.