What is the cheapest airline that flies from Louisville Intl to United States?

Spirit Airlines, Southwest, and Delta are the most popular carriers operating from Louisville Intl to United States

How many flights depart from Louisville to United States on average per day?

As of April 2026, 34 flights take off from Louisville and land in United States each day. The most common flight departure time for this route is 10:00AM, with 48% of daily flights taking off at noon.

How many flights depart from Louisville to United States on average per week?

As of April 2026, there are 240 flights per week flying from Louisville to United States. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

What airlines fly to United States?

American Airlines, Delta and Frontier are the top three most popular airlines that fly to United States from Louisville according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 11 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to United States?

Prices for flights from Louisville Intl Airport to United States refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to United States?

The number of operators available for flights from Louisville Intl Airport to United States is 7 as of April 2026.

How old do you have to be to fly from Louisville Intl Airport to United States?

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 United States.

What documentation or ID do you need to fly to United States?

The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$38 Cheap Flights from Louisville to the United States in 2026

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Find the cheapest flights from Louisville to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:06 pm - 8:33 pm

SDF

FLL

2h 27mnonstop

7:00 am - 9:28 am

FLL

SDF

2h 28mnonstop

$97Spirit Airlines

Fri, May 1 - Mon, May 4

10:33 am - 1:02 pm

SDF

FLL

2h 29mnonstop

9:00 am - 11:30 am

FLL

SDF

2h 30mnonstop

$98Multiple Airlines

Mon, May 18 - Wed, Jun 17

11:45 am - 5:10 pm

SDF

LAS

8h 25m

2 stops

7:45 am - 2:25 pm

LAS

SDF

3h 40mnonstop

$272Southwest

Sat, May 2 - Sat, May 9

3:40 pm - 11:15 pm

SDF

LAS

10h 35m

1 stop

11:55 am - 6:35 pm

LAS

SDF

3h 40mnonstop

$273Southwest

Thu, May 7 - Tue, May 12

3:37 pm - 8:48 pm

SDF

LAS

8h 11m

1 stop

2:50 pm - 11:56 pm

LAS

SDF

6h 06m

1 stop

$277United Airlines

Tue, May 12 - Sat, May 16

5:00 pm - 10:00 pm

SDF

JFK

5h 00m

1 stop

2:30 pm - 7:02 pm

JFK

SDF

4h 32m

1 stop

$281American Airlines

Tue, May 12 - Sat, May 16

4:40 pm - 10:15 pm

SDF

DFW

6h 35m

1 stop

1:50 pm - 9:18 pm

DFW

SDF

6h 28m

1 stop

$283Delta

Tue, Jun 30 - Tue, Jul 21

7:01 pm - 11:23 pm

SDF

DFW

5h 22m

1 stop

6:30 pm - 9:41 pm

DFW

SDF

2h 11mnonstop

$285American Airlines

Wed, May 6 - Wed, May 13

7:37 pm - 11:53 pm

SDF

LAS

7h 16m

1 stop

11:30 pm - 9:02 am

LAS

SDF

6h 32m

1 stop

$287United Airlines

Mon, Jun 8 - Thu, Jun 11

7:05 am - 12:40 pm

SDF

HOU

6h 35m

1 stop

1:06 pm - 7:50 pm

HOU

SDF

5h 44m

1 stop

$297Delta

Wed, May 6 - Tue, May 12

American Airlines flights from Louisville to United States

Our best American Airlines deals on Louisville to United States flight tickets

American Airlines

May 12

SDF5:00 pmLouisville Intl

5h 00m

1 stop

JFK10:00 pmNew York John F Kennedy Intl

May 16

JFK2:30 pmNew York John F Kennedy Intl

4h 32m

1 stop

SDF7:02 pmLouisville Intl

$281

American Airlines

May 6

SDF7:01 pmLouisville Intl

5h 22m

1 stop

DFW11:23 pmDallas/Fort Worth

May 13

DFW6:30 pmDallas/Fort Worth

2h 11m

SDF9:41 pmLouisville Intl

$285

American Airlines

Jun 28

SDF1:21 pmLouisville Intl

2h 23m

DFW2:44 pmDallas/Fort Worth

Jul 18

DFW7:00 pmDallas/Fort Worth

2h 08m

SDF10:08 pmLouisville Intl

$327

Delta flights from Louisville to United States

Our best Delta deals on Louisville to United States flight tickets

Delta

Jul 13

SDF6:00 amLouisville Intl

2h 12m

LGA8:12 amNew York LaGuardia

Jul 26

LGA8:30 amNew York LaGuardia

2h 23m

SDF10:53 amLouisville Intl

$239

Delta

Jun 19

SDF5:59 pmLouisville Intl

2h 21m

LGA8:20 pmNew York LaGuardia

Jun 30

LGA3:15 pmNew York LaGuardia

2h 35m

SDF5:50 pmLouisville Intl

$259

Delta

Jul 14

SDF7:50 amLouisville Intl

6h 13m

1 stop

LGA2:03 pmNew York LaGuardia

Jul 21

LGA8:30 amNew York LaGuardia

2h 23m

SDF10:53 amLouisville Intl

$269

momondo Fare Finder

Use the filters below to find and compare flights from Louisville to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleFort Lauderdale

SDF - FLL

SDFFLL

Louisville Intl

Fri 5/1

6:06 pm-8:33 pm

Nonstop2h 27m

Fort Lauderdale

Mon 5/4

7:00 am-9:28 am

Nonstop2h 28m

$97

LouisvilleFort Lauderdale

SDF - FLL

SDFFLL

Louisville Intl

Mon 5/18

10:33 am-1:02 pm

Nonstop2h 29m

Fort Lauderdale

Wed 6/17

9:00 am-11:30 am

Nonstop2h 30m

$98

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 5/2

11:45 am-5:10 pm

2 stops8h 25m

Las Vegas Harry Reid Intl

Sat 5/9

7:45 am-2:25 pm

Nonstop3h 40m

$272

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Thu 5/7

3:40 pm-11:15 pm

1 stop10h 35m

Las Vegas Harry Reid Intl

Tue 5/12

11:55 am-6:35 pm

Nonstop3h 40m

$273

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Tue 5/12

3:37 pm-8:48 pm

1 stop8h 11m

Las Vegas Harry Reid Intl

Sat 5/16

2:50 pm-11:56 pm

1 stop6h 06m

$277

LouisvilleNew York

SDF - JFK

SDFJFK

Louisville Intl

Tue 5/12

5:00 pm-10:00 pm

1 stop5h 00m

New York John F Kennedy Intl

Sat 5/16

2:30 pm-7:02 pm

1 stop4h 32m

$281

LouisvilleDallas

SDF - DFW

SDFDFW

Louisville Intl

Tue 6/30

4:40 pm-10:15 pm

1 stop6h 35m

Dallas/Fort Worth

Tue 7/21

1:50 pm-9:18 pm

1 stop6h 28m

$283

LouisvilleDallas

SDF - DFW

SDFDFW

Louisville Intl

Wed 5/6

7:01 pm-11:23 pm

1 stop5h 22m

Dallas/Fort Worth

Wed 5/13

6:30 pm-9:41 pm

Nonstop2h 11m

$285

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Mon 6/8

7:37 pm-11:53 pm

1 stop7h 16m

Las Vegas Harry Reid Intl

Thu 6/11

11:30 pm-9:02 am

1 stop6h 32m

$287

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Wed 5/6

7:05 am-12:40 pm

1 stop6h 35m

Houston Hobby

Tue 5/12

1:06 pm-7:50 pm

1 stop5h 44m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to United States

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, July is the cheapest month to fly from Louisville to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you aren’t able to travel during the month of July, then book flights to United States from Louisville during May instead. Flights to United States in May, while not as cheap as those in July, still average around $259.

What is the cheapest day to depart on your flight to United States?

According to our data, Saturday is the cheapest day to fly to United States from Louisville. The lowest ticket price found for a Saturday departure recently was $319. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $432. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $197. Try not to purchase tickets at noon because they tend to be around $518. 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 United States flight route?

Fly from Louisville Intl to San Francisco for the best Louisville Intl - United States flight prices

What cabin class options are available on Louisville Intl to United States flights?

There are 4 cabin classes available to choose from on Louisville Intl to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to United States flights?

No. A direct flight is the cheapest option for a flight between Louisville to United States.

Cheap Louisville to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to United States

Best Price Found	$65
Fastest flight time	0h 55m
Direct flights	Every day
Airports in United States	4,297 airports

The best one-way flight to United States from Louisville in the past 72 hours is $65. The best round-trip flight deal from Louisville to United States found on momondo in the last 72 hours is $88.

The fastest flight from Louisville to United States takes 0h 55m

Direct flights go from Louisville to United States every day.

There are 4,297 airports in United States. From Louisville there are direct flights to Newark (EWR), New York LaGuardia (LGA), Orlando (MCO), New York John F Kennedy Intl (JFK).

Search flight deals

Frequently asked questions about flying from Louisville to the United States

When did momondo last update prices for flights from Louisville Intl Airport to United States?
Prices for flights from Louisville Intl Airport to United States refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to United States?
The number of operators available for flights from Louisville Intl Airport to United States is 7 as of April 2026.
How old do you have to be to fly from Louisville Intl Airport to United States?
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 United States.
What documentation or ID do you need to fly to United States?
The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Louisville to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to United States is Boeing 737 MAX 8 (19.64% of total bookings). The next most popular plane models are Embraer 175 (13.72%), Boeing 737-800 Passenger/BBJ2 (winglets) (12.46%), and Airbus A320-100/200 (9.47%).

Best airlines flying from Louisville to United States

Compare and see reviews for airlines that fly from Louisville to United States with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $50	Free Cancellation	Rating 6.3 8,610 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $70	Free Cancellation	Rating 7.3 706 reviews	Search Allegiant Air flights
Delta	PriceFrom $139	Free Cancellation	Rating 7.9 8,408 reviews	Search Delta flights
Breeze Airways	PriceFrom $139	Free Cancellation	Rating 8.1 276 reviews	Search Breeze Airways flights
Southwest	PriceFrom $166	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.1 11,569 reviews	Search American Airlines flights
JetBlue	PriceFrom $189	Free Cancellation	Rating 7.2 2,929 reviews	Search JetBlue flights
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,574 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $430	Free Cancellation	Rating 7.9 12,222 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to United States?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to United States for you.

Can I find flights from Louisville to United States with flexible booking policies on momondo?

All flight searches from Louisville to United States on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to United States?

momondo helps you find the best flight between Louisville and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in the United States

Flights to New Yorkfrom $55

Flights to Los Angelesfrom $48

Flights to Orlandofrom $49

Flights to Miamifrom $56

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $56

Flights to Bostonfrom $69

Flights to Atlantafrom $51

Flights to Dallasfrom $59

Flights to Fort Lauderdalefrom $53

Cheap flights from Louisville to the United States from $38

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 the United States departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Louisville to United States

Our best American Airlines deals on Louisville to United States flight tickets

Delta flights from Louisville to United States

Our best Delta deals on Louisville to United States flight tickets

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Use the filters below to find and compare flights from Louisville to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from Louisville to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

What is the cheapest Louisville Intl to United States flight route?

What cabin class options are available on Louisville Intl to United States flights?

Can stopping save me money on Louisville to United States flights?

What is the cheapest airline that flies from Louisville Intl to United States?

What airlines fly to United States?

How many flights depart from Louisville to United States on average per day?

How many flights depart from Louisville to United States on average per week?

Cheap Louisville to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

Frequently asked questions about flying from Louisville to the United States

Best airlines flying from Louisville to United States

Compare and see reviews for airlines that fly from Louisville to United States with momondo

Why use momondo?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Louisville flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United States

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in the United States. Availability may vary depending on flight origin and airline.

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