What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Louisville round-trip?

Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Louisville round-trip from $199. Other airlines that can offer you cheap pricing are Delta, from $208, and Southwest, from $212. Users have found that American Airlines is 39% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Louisville one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Louisville for a low price.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville?

Looking for the cheapest flight from Washington, D.C. Reagan-National Airport to Louisville? While on average our users pay $228, our data indicates the cheapest price to be $89. The most popular route (Washington, D.C. Reagan-National - Louisville Intl), is priced around $144.

What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Louisville?

Before booking your flight to Louisville from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (75%), Republic Airways (64%), American Airlines( 60%).

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Louisville?

Users have found that flying from Washington, D.C. Reagan-National Airport to Louisville on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Louisville?

Our data shows that January tends to be the cheapest month to fly to Louisville from Washington, D.C. Reagan-National Airport. Users have commonly found prices around $313 for the month, but tickets can be as low as $191. Due to multiple factors, prepare for potentially higher prices in April.

What airport do you fly into for flights to Louisville from Washington, D.C. Reagan-National?

Louisville Intl (SDF) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Louisville. You should not have trouble finding flights to Louisville Intl from Washington, D.C. Reagan-National; the airport handles an average of 1 inbound flight from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Louisville airport from Washington, D.C. Reagan-National. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.

Can I find deals for flights from Reagan-National to Louisville that include hotel bookings?

Yes. In addition to deals on Reagan-National to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Louisville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Louisville.

Can I find deals for business class flights from Reagan-National to Louisville?

Yes. Cheapflights offers flight deals from Reagan-National to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$76+ Flights from Washington, D.C. Reagan-National Airport to Louisville

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Louisville Intl are usually found in February or January, booked 86 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Reagan-National to Louisville

Round-trip from	$199 (American Airlines)
One-way from	$76 (American Airlines)
Popular in	September
Cheapest in	February
Average price	$359
Good round-trip deal	$239 or less
Good one-way deal	$144 or less

From Washington, D.C. Reagan-National to Louisville Intl

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One-way flight from Washington, D.C. Reagan-National to Louisville Intl

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Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Louisville Intl.

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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Louisville Intl.

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Find flight deals from Reagan-National to Louisville

Cheapest flights from Reagan-National to Louisville
Explore the most affordable flight options available from Reagan-National to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Tue 7/157:59 pmDCA - SDF

Nonstop1h 54mAmerican Airlines

Sat 7/197:25 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/30

$199

Mon 8/115:30 pmDCA - SDF

1 stop3h 45mDelta

Sat 8/167:14 pmSDF - DCA

1 stop3h 45mDelta

Deal found 7/1

$208

Sat 10/112:45 pmDCA - SDF

1 stop7h 00mSouthwest

Mon 10/132:50 pmSDF - DCA

1 stop6h 05mSouthwest

Deal found 6/30

$212

Best flights from Reagan-National to Louisville
Discover carefully curated flight deals from Reagan-National to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Tue 7/157:59 pmDCA - SDF

Nonstop1h 54mAmerican Airlines

Sat 7/197:25 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/30

$199

Mon 8/115:30 pmDCA - SDF

1 stop3h 45mDelta

Sat 8/167:14 pmSDF - DCA

1 stop3h 45mDelta

Deal found 7/1

$208

Sat 10/112:45 pmDCA - SDF

1 stop7h 00mSouthwest

Mon 10/132:50 pmSDF - DCA

1 stop6h 05mSouthwest

Deal found 6/30

$212

Last-minute flights from Reagan-National to Louisville
Discover last-minute flight deals from Reagan-National to Louisville. Data last updated July 1, 2025 and is based on user searches.

Tue 7/86:50 pmDCA - SDF

1 stop5h 05mSouthwest

Thu 7/105:00 amSDF - DCA

1 stop6h 25mSouthwest

Deal found 7/1

$404

Fri 7/116:00 amDCA - SDF

1 stop3h 54mDelta

Tue 7/153:05 pmSDF - DCA

1 stop3h 54mDelta

Deal found 6/30

$244

Fri 7/115:14 pmDCA - SDF

1 stop5h 02mAmerican Airlines

Tue 7/157:15 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/30

$294

Fri 7/117:00 amDCA - SDF

1 stop5h 22mUnited Airlines

Sun 7/137:00 amSDF - DCA

1 stop4h 59mUnited Airlines

Deal found 6/29

$380

Sat 7/126:00 amDCA - SDF

1 stop6h 22mUnited Airlines

Tue 7/156:30 amSDF - DCA

1 stop5h 55mUnited Airlines

Deal found 6/29

$264

Tue 7/157:59 pmDCA - SDF

Nonstop1h 54mAmerican Airlines

Sat 7/197:25 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/30

$199

Mon 7/216:20 pmDCA - SDF

1 stop4h 26mDelta

Mon 7/283:21 pmSDF - DCA

1 stop6h 23mDelta

Deal found 6/30

$209

Sun 7/276:05 amDCA - SDF

1 stop5h 45mSouthwest

Tue 7/297:55 pmSDF - DCA

1 stop3h 55mSouthwest

Deal found 6/29

$229

One-way flights from Reagan-National to Louisville
Search for one-way flight options from Reagan-National to Louisville. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Sat 9/138:30 pmDCA - SDF

Nonstop1h 52mAmerican Airlines

Deal found 7/1

$76

Sat 9/137:20 amDCA - SDF

1 stop6h 40mSouthwest

Deal found 7/1

$86

Mon 8/115:30 pmDCA - SDF

1 stop3h 45mDelta

Deal found 7/1

$120

Mon 11/101:00 pmDCA - SDF

1 stop9h 09mUnited Airlines

Deal found 6/30

$197

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 7/15

7:59 pm-9:53 pm

Nonstop1h 54m

Louisville Intl

Sat 7/19

7:25 am-9:10 am

Nonstop1h 45m

$199

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Mon 8/11

5:30 pm-9:15 pm

1 stop3h 45m

Louisville Intl

Sat 8/16

7:14 pm-10:59 pm

1 stop3h 45m

$208

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 10/11

2:45 pm-9:45 pm

1 stop7h 00m

Louisville Intl

Mon 10/13

2:50 pm-8:55 pm

1 stop6h 05m

$212

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 9/13

8:30 pm-10:22 pm

Nonstop1h 52m

$76

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 9/13

7:20 am-2:00 pm

1 stop6h 40m

$86

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Mon 8/11

5:30 pm-9:15 pm

1 stop3h 45m

$120

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 7/17

7:25 am-1:24 pm

1 stop5h 59m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Reagan-National to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Louisville

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Louisville?

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Louisville (average of $299). Flying from Washington, D.C. Reagan-National Airport to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to SDF?

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Louisville in the evening. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Louisville?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Louisville flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Louisville

See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,273 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,973 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,858 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly into for flights to Louisville from Washington, D.C. Reagan-National?
Louisville Intl (SDF) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Louisville. You should not have trouble finding flights to Louisville Intl from Washington, D.C. Reagan-National; the airport handles an average of 1 inbound flight from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Louisville airport from Washington, D.C. Reagan-National. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Louisville round-trip?
Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Louisville round-trip from $199. Other airlines that can offer you cheap pricing are Delta, from $208, and Southwest, from $212. Users have found that American Airlines is 39% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Louisville one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Louisville for a low price.
What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Louisville?
Before booking your flight to Louisville from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (75%), Republic Airways (64%), American Airlines( 60%).
What are the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville?
Looking for the cheapest flight from Washington, D.C. Reagan-National Airport to Louisville? While on average our users pay $228, our data indicates the cheapest price to be $89. The most popular route (Washington, D.C. Reagan-National - Louisville Intl), is priced around $144.
Can I find deals for flights from Reagan-National to Louisville that include hotel bookings?
Yes. In addition to deals on Reagan-National to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Louisville.
Can I find deals for business class flights from Reagan-National to Louisville?
Yes. Cheapflights offers flight deals from Reagan-National to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Louisville (average of $299). Flying from Washington, D.C. Reagan-National Airport to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Jeffersonville

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Corydon

Bardstown

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Top 2 airlines flying from Reagan-National to Louisville

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$189	Average$320	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$209	Average$287	FlexibilityNo cancel fee	On-time69%

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$76+ Cheap flights from Reagan-National (DCA) to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Louisville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Louisville Intl are usually found in February or January, booked 86 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Reagan-National to Louisville

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Reagan-National to Louisville

Cheapest flights from Reagan-National to LouisvilleExplore the most affordable flight options available from Reagan-National to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Explore the most affordable flight options available from Reagan-National to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Louisville that are best for you.

Best time to book a flight from Reagan-National to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Louisville

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Louisville. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?

What is the cheapest time of day to fly from DCA to SDF?

Find hourly flight availability from Reagan-National to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Louisville. Price data was last updated on June 29, 2025.

Reviews of airlines servicing Louisville

See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Louisville from Washington, D.C. Reagan-National?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Louisville round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Louisville one-way?

What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Louisville?

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville?

Can I find deals for flights from Reagan-National to Louisville that include hotel bookings?

How can I find direct flights from Reagan-National to Louisville?

Can I find deals for business class flights from Reagan-National to Louisville?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Reagan-National to Louisville

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Cheapest flights from Reagan-National to Louisville
Explore the most affordable flight options available from Reagan-National to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.