$76 Find Cheap Flights from North America to Louisville - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Louisville departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from North America to Louisville

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from North America to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from North America to Louisville

Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
10:59 pm - 10:32 am
ATL
-
SDF
11h 33m
1 stop
Multiple Airlines Logo
2:56 pm - 11:49 am
SDF
-
ATL
20h 53m
2 stops
$186Multiple Airlines
Sat, Aug 29 - Mon, Aug 31
Multiple Airlines Logo
8:25 am - 8:06 pm
ATL
-
SDF
11h 41m
1 stop
Multiple Airlines Logo
11:19 am - 9:05 am
SDF
-
ATL
21h 46m
1 stop
$190Multiple Airlines
Wed, Aug 12 - Sat, Aug 15
American Airlines Logo
7:10 pm - 10:17 pm
DFW
-
SDF
2h 07mnonstop
American Airlines Logo
7:00 pm - 8:25 pm
SDF
-
DFW
2h 25mnonstop
$217American Airlines
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
7:10 pm - 10:17 pm
DFW
-
SDF
2h 07mnonstop
American Airlines Logo
7:03 pm - 8:30 pm
SDF
-
DFW
2h 27mnonstop
$221American Airlines
Wed, Aug 26 - Wed, Aug 26
United Airlines Logo
7:00 am - 1:07 pm
DFW
-
SDF
5h 07m
1 stop
United Airlines Logo
5:45 pm - 10:30 pm
SDF
-
DFW
5h 45m
1 stop
$232United Airlines
Tue, Aug 11 - Sat, Aug 15
Delta Logo
12:24 pm - 7:33 pm
DFW
-
SDF
6h 09m
1 stop
Delta Logo
3:25 pm - 7:31 pm
SDF
-
DFW
5h 06m
1 stop
$236Delta
Wed, Aug 12 - Tue, Aug 18
Delta Logo
6:45 am - 12:21 pm
DFW
-
SDF
4h 36m
1 stop
Delta Logo
11:17 am - 3:50 pm
SDF
-
DFW
5h 33m
1 stop
$237Delta
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
5:45 pm - 8:13 pm
EWR
-
SDF
2h 28mnonstop
United Airlines Logo
11:00 am - 1:16 pm
SDF
-
EWR
2h 16mnonstop
$239United Airlines
Thu, Sep 3 - Thu, Sep 10
Southwest Logo
8:30 am - 3:40 pm
LGA
-
SDF
7h 10m
1 stop
Southwest Logo
3:20 pm - 11:20 pm
SDF
-
LGA
8h 00m
2 stops
$264Southwest
Thu, Aug 20 - Thu, Aug 27
Southwest Logo
6:00 am - 3:30 pm
LGA
-
SDF
9h 30m
2 stops
Southwest Logo
2:15 pm - 10:55 pm
SDF
-
LGA
8h 40m
1 stop
$270Southwest
Useful Info

Good to know

Low season

January

Cheapest flight

$76
Most popular time to fly and prices are also 16% lower on average.
Flight from Atlanta to Louisville

FAQs for booking flights from North America to Louisville

  • How does KAYAK find such low prices on flights from North America to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from North America to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from North America to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from North America is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from North America to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to North America with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from North America to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from North America up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from North America to Louisville

 
Need help choosing which airline to fly with from North America to Louisville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4236 reviews
8.0Comfort
7.5Entertainment
8.1Boarding
7.0Food
8.6Crew
Airline reviews

The flight was fine. Seats were very comfortable. Attendants were very friendly -

10.0 ExcellentMaggie, Jul 2026
SJO - BWI
Read more Southwest reviews

The flight was fine. Seats were very comfortable. Attendants were very friendly -

Friendly crew kept coming by to make sure all was ok, provide additional refreshments, etc.

It was good. Last flight was delayed but I always say that is in God's plan

Red eye from San Diego. Temperature of the cabin was way too warm and the air duct flowed very little air.

Overall good, just screaming kids in the area the whole flight.

My experience will Southwest was good. I wish there was more entertainment and the boarding process was slow at time but other than that my experience was great definitely will be flying with SouthWest again.

Flight was delayed by 2 hours, meaning that a flight to Dwnver which should have arrived at 11pm came into the airport at 1 am. Made for a very long day.

I think Southwest is the number one airline that anyone can fly I have flown for the first time Frontier and what a joke and their customer service United was a very strange experience I'm only sticking to Southwest from here on out for sure

The seats were a bit cramped and worn, but otherwise okay.

Since the flight wasn’t full, we had some extra room. Crew was great

The Columbus-based WestJet crews that cover Delta commuter flights between LGA and CMH are excellent - this team included. Our flight today landed 40 minutes early, which is unheard of when flying out of LaGuardia. I've flown with the same crew in more challenging conditions, and they always rise to the occasion with helpful communication to the passengers so that we may manage expectations.

Easy on easy off and the staff onboard were wonderful. Left on time, arrived a bit early.

Weather in Atlanta necessitated an hour's hold on the tarmac before we could leave Detroit. The plane was packed, and I expected some surliness. But no! The crew was fantastic (jovial even!), responsive to people's needs, and kept us informed. Consequently, the passengers took the delay in stride, and what could have been an ugly situation turned out to be no more than a minor inconvenience. The crew were the stars here.

They did everything right and everything happened right on time.

We were skipped when the snack cart passed and then the attendant said we weren’t . I am disabled and was in a row toward the back of the plane which was very difficult for me to navigate. Disabled people should not be forced to walk the plank.

My flight was delayed and I got back around 3.5 hours later than expected. I had to get a new connecting flight

Seat was too small for someone as tall as I am. I was behind an exit row making my leg room even less. There flights were delayed by multiple hours. Some weather related and others staff related. The plane was hot. Horrible experience.

The Atlanta airport had thunderstorms, which caused our flight to be delayed by multiple hours. Once we were able to board.the gate agent was rude and was trying to rush us onto the plane because the team in the plane was about to run out of hours once we were all aboard the plane they ran into an issue where the catering truck was filling up the back of the plane and they left and had to come back because they didn’t fill it up all the way, causing even more of a delay. My seat was very tight. I didn’t have a lot of legroom overall this was a miserable experience.

Flight delayed due to ground hold. Republic airways did a great job.

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

I would have preferred a flight voucher and to hop on a different flight. Delayed over 6 hours.

Our flight gor canceled and there was no one to help us but told us to scan the qr code and fill the forms on-line. Very poor service especially we are tourists traveling to Washington DC for the 1st time.

Seats could be more comfortable, food was plentiful and good.

Onboard staff was courteous, helpful, responsive and friendly. The boarding process was disorganized, poorly communicated, and disheveled. Gate agents were yelling instead of using the PA system, didn’t communicate the timing delay of our flight, and created an atmosphere of chaos rather than order and communication. As far as I know, there was no reason for their. I would hate to see how it operated under extreme conditions. I’ve never seen United Airlines operations in such a state.

Baggage claim signs were not updated with my flight information, so I had to guess. The app wasn't updated either.

Lufthansa seats were much more comfortable than United. While they had about the same video selection, Lufthansa didn't put advertisements in with the movies like United did. And the Lufthansa food was much better than United.

I almost missed my connection in Chicago due to having to wait on a gate to be open I am assuming. Having to run from E terminal to C terminal and I barely made it there before they closed the door. This may not be the actual airline's fault it's crazy how there is so little time between flight especially when they are placed so far apart in the airport.

Unbelievably smooth boarding at IAH and the flight attendants were top notch.

We flew business fares. Was amazing. However, the check in didn't offer business fares preboarding which is less hectic. 8/10 due to this. Staff compared to Canadian carriers go above and beyond. Would gladly fly United again.

Short flight, but no drink/snack service. The flights both going and coming were delayed.

It was on time. Flight was comfortable. Staff was nice. It was the way a flight should always be.

The price was the only good thing about this flight. It was scary during takeoff when the plane tilted side to side. It made me feel very nervous as I have never had a take-off that unsmooth. There was no on-flight movie or music options and the only complimentary option was water. Other airlines offer trail mix or a caramel cookie and pop options as complimentary. This flight was a 2.5 hour flight. I understand for shorter flights not having options, but a flight 2 hours or longer should offer more complimentary options and in flight entertainment. Also the seats did not recline and for a longer flight reclining seats are a must for comfort.

A very pleasant flight but it would be greatly improved with wifi to help entertain kids

This is a no frills, get it done, efficient airline. The seat is a lawn chair. You better bring your own entertainment. If you want something other than water you need to pay for it. But they will get you to your destination quickly, on time, and then they will turn the flight around and go right back where they came from. Reliably. Couple times a week tops. If it fits into your schedule, you can’t get there cheaper or faster.

A three hour delay to board and then another hour on the tarmac because they couldn't get a tractor? Ugh.

Allegiant canceled the flight. The flight the next day was full. Allegiant did not provide any compensation besides a refund. Last time on Allegiant.

Seats were very uncomfortable and being charged for snacks and water.........

Allegiant actually impressed me, original inbound flight from PBG was so late they gave us a bird inbound from Des Moines and only left 1h late and gained 40 minutes back in the air. Comfortable flight with no frills but no complaints.

Flight was delayed. Crew was good but hot coffee was not available.

Great. No choice for n/a. No food or entertainment options

The gate got changed several times and the flight was delayed over an hour. Awful experience

It was an older plane. First Class was not especially roomy or comfortable. It was a short flight so there were no meal but they did offer mixed nuts which used to be normal but now is rare. Crew member was very polite and professional.

No Snacks or Entertainment. The flight was short, snacks should still be given.

The boarding process needs to be fixed. The zone don't work, especially when there is hardly anyone in zones 3, 4,and 5, leaving the majority of the passengers backed up in the aisle, especially because passengers seated near the front are blocking passengers who are seated in the rear of the plane. It would also help if the size of carry on bags was more strictly enforced.

My Internet did not work for Outlook email or basically anything. I paid for one hour of in-flight usage and it was terrible. I spent a lot of time on different sites and browsers with no luck and a lot of frustration. Other than that, the flight was on time, crew was nice, service was fine. Seat was OK even though I paid for the extra 6 inches. I cannot imagine how tight the seats in the back must be.

Everything was fine. Flight boarded and departed on time. Seating was spacious enough for my carryon to fit under the seat in front of me. No complaints at all. Flight even arrived early.

Boston ticket agent Cheryl Porter is WONDERFUL. Our Iberia flight to Barcelona was cancelled the morning we were scheduled to leave and Cheryl was our super hero - she found us seats on a flight to London and on to Barcelona. Truly a “can-do” attitude which we appreciated so much after the Iberia ticket agents told us there was “absolutely nothing they could do”. (As did the customer service agents at Iberia’s call center) Ms Porter is truly a wonderful person who genuinely cares about travelers!

I was not given the option to get on a different flight even though I was going to miss my connection due to weather delays (I did). When I called early in the morning, they said it wasn't delayed long enough; though I knew it would be by the time it was time for the flight ... it was and by that time it was too late. I wasn't given the option to pre-board with my toddler, and the food service was less than normal due to delays .... at least that's what the crew said.

American is a steady for me. I always get what I expect from them. Sincere effort to get me from one place to another.

Nothing wrong on this flight but nothing special. It was oversold and they had to bump people which is always bad.

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