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 33% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 10 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 day?

As of July 2026, 55 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 45% of daily flights taking off at noon.

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

As of July 2026, there are 390 flights per week flying from Louisville to United States. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

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

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

$63 Cheap Flights from Louisville to the United States in 2026

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.

2:56 pm - 7:57 pm

SDF

MCO

5h 01m

1 stop

3:50 pm - 8:06 pm

MCO

SDF

4h 16m

1 stop

$159Multiple Airlines

Wed, Sep 2 - Sat, Sep 5

8:46 pm - 9:00 am

SDF

MCO

12h 14m

1 stop

3:50 pm - 8:06 pm

MCO

SDF

4h 16m

1 stop

$163Breeze Airways

Sat, Aug 22 - Sat, Aug 29

8:30 am - 2:05 pm

SDF

ATL

5h 35m

1 stop

11:10 am - 4:15 pm

ATL

SDF

5h 05m

1 stop

$212Southwest

Thu, Aug 13 - Sat, Aug 22

4:00 pm - 8:10 pm

SDF

MIA

4h 10m

1 stop

7:10 am - 11:10 am

MIA

SDF

4h 00m

1 stop

$225Southwest

Tue, Aug 25 - Tue, Sep 1

1:59 pm - 4:12 pm

SDF

LGA

2h 13mnonstop

8:30 am - 11:03 am

LGA

SDF

2h 33mnonstop

$239Delta

Fri, Nov 6 - Tue, Nov 10

6:15 am - 8:28 am

SDF

EWR

2h 13mnonstop

8:55 pm - 11:28 pm

EWR

SDF

2h 33mnonstop

$239United Airlines

Thu, Oct 22 - Tue, Oct 27

6:15 am - 8:50 am

SDF

MIA

2h 35mnonstop

9:14 pm - 11:51 pm

MIA

SDF

2h 37mnonstop

$245American Airlines

Tue, Aug 25 - Mon, Aug 31

6:30 pm - 8:51 pm

SDF

EWR

2h 21mnonstop

6:00 am - 10:31 am

EWR

SDF

4h 31m

1 stop

$249United Airlines

Thu, Oct 22 - Tue, Oct 27

6:30 pm - 11:45 pm

SDF

LGA

5h 15m

1 stop

6:05 am - 10:40 am

LGA

SDF

4h 35m

1 stop

$258American Airlines

Fri, Aug 14 - Mon, Aug 17

5:59 pm - 8:20 pm

SDF

LGA

2h 21mnonstop

11:05 am - 1:27 pm

LGA

SDF

2h 22mnonstop

$259Delta

Thu, Aug 6 - Thu, Aug 13

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Louisville to United States

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

American Airlines

Aug 25

SDF6:15 amLouisville Intl

2h 35m

MIA8:50 amMiami

Sep 1

MIA8:00 pmMiami

2h 45m

SDF10:45 pmLouisville Intl

$245

American Airlines

Aug 25

SDF2:36 pmLouisville Intl

7h 23m

1 stop

MIA9:59 pmMiami

Sep 1

MIA8:00 pmMiami

2h 45m

SDF10:45 pmLouisville Intl

$255

American Airlines

Aug 14

SDF6:30 pmLouisville Intl

5h 29m

1 stop

EWR11:59 pmNewark

Aug 17

EWR5:29 amNewark

5h 06m

1 stop

SDF10:35 amLouisville Intl

$258

Southwest flights from Louisville to United States

Our best Southwest deals on Louisville to United States flight tickets

Southwest

Aug 13

SDF8:30 amLouisville Intl

5h 35m

1 stop

ATL2:05 pmAtlanta Hartsfield-Jackson

Aug 22

ATL11:10 amAtlanta Hartsfield-Jackson

5h 05m

1 stop

SDF4:15 pmLouisville Intl

$212

Southwest

Aug 8

SDF1:15 pmLouisville Intl

2h 05m

MCO3:20 pmOrlando

Aug 11

MCO9:00 amOrlando

2h 10m

SDF11:10 amLouisville Intl

$217

Southwest

Aug 13

SDF2:15 pmLouisville Intl

7h 10m

2 stops

ATL9:25 pmAtlanta Hartsfield-Jackson

Aug 22

ATL11:20 amAtlanta Hartsfield-Jackson

6h 05m

2 stops

SDF5:25 pmLouisville Intl

$222

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

LouisvilleOrlando

SDF - MCO

SDFMCO

Louisville Intl

Wed 9/2

2:56 pm-7:57 pm

1 stop5h 01m

Orlando

Sat 9/5

3:50 pm-8:06 pm

1 stop4h 16m

$159

LouisvilleOrlando

SDF - MCO

SDFMCO

Louisville Intl

Sat 8/22

8:46 pm-9:00 am

1 stop12h 14m

Orlando

Sat 8/29

3:50 pm-8:06 pm

1 stop4h 16m

$163

LouisvilleAtlanta

SDF - ATL

SDFATL

Louisville Intl

Thu 8/13

8:30 am-2:05 pm

1 stop5h 35m

Atlanta Hartsfield-Jackson

Sat 8/22

11:10 am-4:15 pm

1 stop5h 05m

$212

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 8/25

4:00 pm-8:10 pm

1 stop4h 10m

Miami

Tue 9/1

7:10 am-11:10 am

1 stop4h 00m

$225

LouisvilleNew York

SDF - LGA

SDFLGA

Louisville Intl

Fri 11/6

1:59 pm-4:12 pm

Nonstop2h 13m

New York LaGuardia

Tue 11/10

8:30 am-11:03 am

Nonstop2h 33m

$239

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Thu 10/22

6:15 am-8:28 am

Nonstop2h 13m

Newark

Tue 10/27

8:55 pm-11:28 pm

Nonstop2h 33m

$239

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 8/25

6:15 am-8:50 am

Nonstop2h 35m

Miami

Mon 8/31

9:14 pm-11:51 pm

Nonstop2h 37m

$245

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Thu 10/22

6:30 pm-8:51 pm

Nonstop2h 21m

Newark

Tue 10/27

6:00 am-10:31 am

1 stop4h 31m

$249

LouisvilleNew York

SDF - LGA

SDFLGA

Louisville Intl

Fri 8/14

6:30 pm-11:45 pm

1 stop5h 15m

New York LaGuardia

Mon 8/17

6:05 am-10:40 am

1 stop4h 35m

$258

Quickest round-trip

LouisvilleNew York

SDF - LGA

SDFLGA

Louisville Intl

Thu 8/6

5:59 pm-8:20 pm

Nonstop2h 21m

New York LaGuardia

Thu 8/13

11:05 am-1:27 pm

Nonstop2h 22m

$259

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 $317. If you aren’t able to travel during the month of January, then book flights to United States from Louisville during November instead. Flights to United States in November, while not as cheap as those in January, still average around $325.

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 $336. 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 Tuesday because tickets tend to average around $532. 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 $366. Try not to purchase tickets at noon because they tend to be around $506. 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	$47
Fastest flight time	0h 50m
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 $47. 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 0h 50m

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 Orlando (MCO), Atlanta Hartsfield-Jackson (ATL).

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 July 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 Embraer 175 (16.35% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.58%), Airbus A319 (10.91%), and Airbus A320-100/200 (10.72%).

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 7.3 682 reviews	Search Allegiant Air flights
Breeze Airways	PriceFrom $139	Free Cancellation	Rating 8.2 298 reviews	Search Breeze Airways flights
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,467 reviews	Search Delta flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.1 11,808 reviews	Search American Airlines flights
Southwest	PriceFrom $172	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $186	Free Cancellation	Rating 7.4 9,991 reviews	Search United Airlines flights
JetBlue	PriceFrom $189	Free Cancellation	Rating 7.1 3,010 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $430	Free Cancellation	Rating 7.9 12,652 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 8/13

Thu 8/20

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular cities

Other flights from Louisville

Other flights to the United States

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New Yorkfrom $81

Flights to Los Angelesfrom $50

Flights to Orlandofrom $55

Flights to Miamifrom $54

Flights to Chicagofrom $61

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $55

Flights to Bostonfrom $52

Flights to Atlantafrom $55

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $62

Cheap flights from Louisville to the United States from $69

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 9/2. 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

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

American Airlines flights from Louisville to United States

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

Southwest flights from Louisville to United States

Our best Southwest 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

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

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