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

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

What airlines fly to United States?

Frontier, Delta and American Airlines are the top three most popular airlines that fly to United States from Louisville according to our data. Frontier is the first choice among our users, with 36% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 8 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

As of October 2026, there are 181 flights per week flying from Louisville to United States. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.

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

As of October 2026, 25 flights take off from Louisville and land in United States each day. The most common flight departure time for this route is 1:00PM, with 46% of daily flights taking off at noon.

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 October 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 2026/27

Discover deals from 900+ travel sites with momondo.

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.

8:41 pm - 11:13 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 32mnonstop

7:10 am - 9:49 amFLL Fort Lauderdale-SDF Louisville Intl

2h 39mnonstop

$80Allegiant Air

Mon, Jan 11 - Fri, Jan 22

8:41 pm - 11:13 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 32mnonstop

7:10 am - 9:49 amFLL Fort Lauderdale-SDF Louisville Intl

2h 39mnonstop

$81Allegiant Air

Mon, Jan 11 - Fri, Jan 22

9:09 pm - 11:21 pmSDF Louisville Intl-TPA Tampa

2h 12mnonstop

6:14 pm - 8:29 pmTPA Tampa-SDF Louisville Intl

2h 15mnonstop

$132Breeze Airways

Thu, Dec 3 - Sun, Dec 6

9:09 pm - 11:21 pmSDF Louisville Intl-TPA Tampa

2h 12mnonstop

6:14 pm - 8:29 pmTPA Tampa-SDF Louisville Intl

2h 15mnonstop

$133Breeze Airways

Thu, Dec 3 - Sun, Dec 6

6:53 pm - 9:23 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 30mnonstop

3:22 pm - 8:29 pmFLL Fort Lauderdale-SDF Louisville Intl

5h 07m1 stop Tampa

$140Multiple Airlines

Mon, Nov 9 - Thu, Nov 12

8:41 pm - 11:13 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 32mnonstop

3:27 pm - 8:29 pmFLL Fort Lauderdale-SDF Louisville Intl

5h 02m1 stop Tampa

$143Multiple Airlines

Mon, Jan 11 - Thu, Jan 21

12:55 pm - 3:00 pmSDF Louisville Intl-MCO Orlando

2h 05mnonstop

7:15 pm - 9:35 pmMCO Orlando-SDF Louisville Intl

2h 20mnonstop

$197Southwest

Wed, Dec 2 - Fri, Dec 11

1:40 pm - 3:45 pmSDF Louisville Intl-MCO Orlando

2h 05mnonstop

9:05 am - 11:25 amMCO Orlando-SDF Louisville Intl

2h 20mnonstop

$197Southwest

Sat, Dec 12 - Tue, Dec 15

9:00 am - 11:18 amSDF Louisville Intl-MCO Orlando

2h 18mnonstop

11:45 am - 2:02 pmMCO Orlando-SDF Louisville Intl

2h 17mnonstop

$197Delta

Sat, Jan 23 - Sat, Jan 30

9:00 am - 11:18 amSDF Louisville Intl-MCO Orlando

2h 18mnonstop

11:45 am - 2:02 pmMCO Orlando-SDF Louisville Intl

2h 17mnonstop

$197Delta

Sat, Feb 6 - Sat, Feb 13

Cheap last minute flights

Enter your travel dates to find the best prices.

7:35 pm - 9:59 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 24mnonstop

3:22 pm - 8:29 pmFLL Fort Lauderdale-SDF Louisville Intl

5h 07m1 stop Tampa

$181Multiple Airlines

Mon, Oct 19 - Thu, Oct 29

4:48 pm - 5:29 pmSDF Louisville Intl-VPS Valparaiso Destin-Ft Walton Beach

1h 41mnonstop

7:40 am - 10:25 amVPS Valparaiso Destin-Ft Walton Beach-SDF Louisville Intl

1h 45mnonstop

$205Allegiant Air

Sun, Oct 18 - Thu, Oct 22

7:35 pm - 9:59 pmSDF Louisville Intl-FLL Fort Lauderdale

2h 24mnonstop

6:00 am - 8:29 pmFLL Fort Lauderdale-SDF Louisville Intl

14h 29m1 stop Tampa

$210Multiple Airlines

Mon, Oct 19 - Sun, Nov 1

6:43 pm - 7:24 pmSDF Louisville Intl-VPS Valparaiso Destin-Ft Walton Beach

1h 41mnonstop

7:40 am - 10:25 amVPS Valparaiso Destin-Ft Walton Beach-SDF Louisville Intl

1h 45mnonstop

$216Allegiant Air

Sat, Oct 17 - Thu, Oct 22

9:09 pm - 11:21 pmSDF Louisville Intl-TPA Tampa

2h 12mnonstop

6:14 pm - 8:29 pmTPA Tampa-SDF Louisville Intl

2h 15mnonstop

$237Breeze Airways

Sun, Oct 18 - Thu, Oct 29

9:11 pm - 9:00 amSDF Louisville Intl-MCO Orlando

11h 49m1 stop Raleigh-Durham

7:10 am - 8:02 amMCO Orlando-SDF Louisville Intl

24h 52m1 stop Charleston

$257Breeze Airways

Sat, Oct 17 - Sun, Oct 25

12:00 pm - 2:38 pmSDF Louisville Intl-MIA Miami

2h 38mnonstop

8:54 pm - 11:39 pmMIA Miami-SDF Louisville Intl

2h 45mnonstop

$383American Airlines

Sat, Oct 17 - Tue, Oct 20

9:04 am - 3:15 pmSDF Louisville Intl-LGA New York LaGuardia

6h 11m1 stop Chicago O'Hare Intl

3:29 pm - 8:52 pmLGA New York LaGuardia-SDF Louisville Intl

5h 23m1 stop Chicago O'Hare Intl

$389United Airlines

Wed, Oct 21 - Wed, Nov 18

12:00 pm - 2:38 pmSDF Louisville Intl-MIA Miami

2h 38mnonstop

5:32 pm - 11:17 pmMIA Miami-SDF Louisville Intl

5h 45m1 stop Charlotte Douglas

$393American Airlines

Sat, Oct 17 - Tue, Oct 20

6:15 am - 8:28 amSDF Louisville Intl-EWR Newark

2h 13mnonstop

10:32 am - 1:03 pmEWR Newark-SDF Louisville Intl

2h 31mnonstop

$394United Airlines

Wed, Oct 21 - Mon, Oct 26

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Southwest flights from Louisville to United States

Our best Southwest deals on Louisville to United States flight tickets

Southwest

Nov 7

SDF1:40 pmLouisville Intl

2h 05m

MCO3:45 pmOrlando

Nov 10

MCO7:35 pmOrlando

2h 20m

SDF9:55 pmLouisville Intl

$197

Southwest

Nov 7

SDF4:40 pmLouisville Intl

2h 10m

MCO6:50 pmOrlando

Nov 10

MCO9:25 amOrlando

6h 10m

1 stop

SDF3:35 pmLouisville Intl

$207

Southwest

Dec 4

SDF2:05 pmLouisville Intl

8h 15m

2 stops

MCO10:20 pmOrlando

Dec 12

MCO7:55 pmOrlando

2h 20m

SDF10:15 pmLouisville Intl

$212

American Airlines flights from Louisville to United States

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

American Airlines

Nov 7

SDF4:46 pmLouisville Intl

4h 19m

1 stop

MCO9:05 pmOrlando

Nov 9

MCO7:23 pmOrlando

5h 02m

1 stop

SDF12:25 amLouisville Intl

$225

American Airlines

Nov 19

SDF5:02 amLouisville Intl

4h 19m

1 stop

MCO9:21 amOrlando

Nov 25

MCO7:26 pmOrlando

4h 54m

1 stop

SDF12:20 amLouisville Intl

$257

American Airlines

Oct 28

SDF6:29 amLouisville Intl

8h 01m

1 stop

LGA2:30 pmNew York LaGuardia

Oct 29

LGA4:09 pmNew York LaGuardia

5h 26m

1 stop

SDF9:35 pmLouisville Intl

$297

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

LouisvilleFort Lauderdale

SDF Louisville Intl - FLL Fort Lauderdale

SDFFLL

Louisville Intl

Mon 1/11

8:41 pm-11:13 pm

Nonstop2h 32m

Fort Lauderdale

Fri 1/22

7:10 am-9:49 am

Nonstop2h 39m

$80

LouisvilleFort Lauderdale

SDF Louisville Intl - FLL Fort Lauderdale

SDFFLL

Louisville Intl

Mon 1/11

8:41 pm-11:13 pm

Nonstop2h 32m

Fort Lauderdale

Fri 1/22

7:10 am-9:49 am

Nonstop2h 39m

$81

LouisvilleTampa

SDF Louisville Intl - TPA Tampa

SDFTPA

Louisville Intl

Thu 12/3

9:09 pm-11:21 pm

Nonstop2h 12m

Tampa

Sun 12/6

6:14 pm-8:29 pm

Nonstop2h 15m

$132

LouisvilleTampa

SDF Louisville Intl - TPA Tampa

SDFTPA

Louisville Intl

Thu 12/3

9:09 pm-11:21 pm

Nonstop2h 12m

Tampa

Sun 12/6

6:14 pm-8:29 pm

Nonstop2h 15m

$133

LouisvilleFort Lauderdale

SDF Louisville Intl - FLL Fort Lauderdale

SDFFLL

Louisville Intl

Mon 11/9

6:53 pm-9:23 pm

Nonstop2h 30m

Fort Lauderdale

Thu 11/12

3:22 pm-8:29 pm

1 stop5h 07m

$140

LouisvilleFort Lauderdale

SDF Louisville Intl - FLL Fort Lauderdale

SDFFLL

Louisville Intl

Mon 1/11

8:41 pm-11:13 pm

Nonstop2h 32m

Fort Lauderdale

Thu 1/21

3:27 pm-8:29 pm

1 stop5h 02m

$143

Quickest round-trip

LouisvilleOrlando

SDF Louisville Intl - MCO Orlando

SDFMCO

Louisville Intl

Wed 12/2

12:55 pm-3:00 pm

Nonstop2h 05m

Orlando

Fri 12/11

7:15 pm-9:35 pm

Nonstop2h 20m

$197

LouisvilleOrlando

SDF Louisville Intl - MCO Orlando

SDFMCO

Louisville Intl

Sat 12/12

1:40 pm-3:45 pm

Nonstop2h 05m

Orlando

Tue 12/15

9:05 am-11:25 am

Nonstop2h 20m

$197

LouisvilleOrlando

SDF Louisville Intl - MCO Orlando

SDFMCO

Louisville Intl

Sat 1/23

9:00 am-11:18 am

Nonstop2h 18m

Orlando

Sat 1/30

11:45 am-2:02 pm

Nonstop2h 17m

$197

LouisvilleOrlando

SDF Louisville Intl - MCO Orlando

SDFMCO

Louisville Intl

Sat 2/6

9:00 am-11:18 am

Nonstop2h 18m

Orlando

Sat 2/13

11:45 am-2:02 pm

Nonstop2h 17m

$197

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, January 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 $339. If you aren’t able to travel during the month of January, then book flights to United States from Louisville during February instead. Flights to United States in February, while not as cheap as those in January, still average around $358.

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

According to our data, Friday is the cheapest day to fly to United States from Louisville. The lowest ticket price found for a Friday departure recently was $361. 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 Monday because tickets tend to average around $625. 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 morning when flights can be purchased for as low as $388. Try not to purchase tickets at noon because they tend to be around $539. 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 to United States flights?

There are 4 cabin classes available to choose from on Louisville 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	$38
Fastest flight time	1h 00m
Direct flights	Every day
Airports in United States	4,301 airports

The best one-way flight to United States from Louisville in the past 72 hours is $38. The best round-trip flight deal from Louisville to United States found on momondo in the last 72 hours is $80.

The fastest flight from Louisville to United States takes 1h 00m

Direct flights go from Louisville to United States every day.

There are 4,301 airports in United States. From Louisville there are direct flights to Tampa (TPA), New York LaGuardia (LGA), Valparaiso Destin-Ft Walton Beach (VPS), Orlando (MCO).

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 October 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 (18.06% of total bookings). The next most popular plane models are Embraer 175 (17.39%), Airbus A320-100/200 (10.28%), and Embraer 175 (Enhanced Winglets) (9.72%).

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
Allegiant Air	PriceFrom $70	Free Cancellation	Rating 7.3 677 reviews	Search Allegiant Air flights
Breeze Airways	PriceFrom $96	Free Cancellation	Rating 8.2 327 reviews	Search Breeze Airways flights
Delta	PriceFrom $149	Free Cancellation	Rating 7.8 8,652 reviews	Search Delta flights
JetBlue	PriceFrom $189	Free Cancellation	Rating 7.1 3,055 reviews	Search JetBlue flights
American Airlines	PriceFrom $193	Free Cancellation	Rating 7.0 12,169 reviews	Search American Airlines flights
United Airlines	PriceFrom $195	Free Cancellation	Rating 7.4 10,366 reviews	Search United Airlines flights
Southwest	PriceFrom $205	Free Cancellation	Rating 7.9 4,217 reviews	Search Southwest 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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Find better results for your trip to the United States

Popular cities

Other flights from Louisville

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Complete your trip

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Popular cities in the United States

Flights to New Yorkfrom $80

Flights to Los Angelesfrom $43

Flights to Orlandofrom $64

Flights to Miamifrom $68

Flights to San Franciscofrom $44

Flights to Chicagofrom $60

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $58

Flights to Bostonfrom $90

Flights to Atlantafrom $52

Flights to Dallasfrom $48

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 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

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Southwest flights from Louisville to United States

Our best Southwest deals on Louisville to United States flight tickets

American Airlines flights from Louisville to United States

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

momondo Fare Finder

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 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

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

Cabin classes currently available on flights to the United States

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

Complete your trip to the United States

Explore popular destinations other users love

According to popular flight searches on momondo this year