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

Currently priced at $189, American Airlines will fly you from Louisville to Washington, D.C. Reagan-National Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $190 and $209, respectively. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 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 Louisville to Washington, D.C. Reagan-National Airport?

On average you can expect to pay $225 for a flight from Louisville to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $89 while the most popular route, (Louisville Intl - Washington, D.C. Reagan-National) is currently priced at $157.

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

Before booking your flight to Washington, D.C. Reagan-National Airport from Louisville, check out the most reliable airlines to get you to your destination on time: Republic Airways (59%), PSA Airlines (48%), American Airlines( 45%).

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

Travelers have found that booking a Tuesday departure is the best way to save up to 21% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Our data shows that July tends to be the cheapest month to fly to Washington, D.C. Reagan-National Airport from Louisville. Users have commonly found prices around $259 for the month, but tickets can be as low as $179. Due to multiple factors, prepare for potentially higher prices in May.

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

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

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

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

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

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

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

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

$69+ Flights from Louisville to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Washington, D.C. Reagan-National are usually found in February or August, booked 83 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Louisville to Reagan-National

Round-trip from	$189 (American Airlines)
One-way from	$69 (American Airlines)
Popular in	October
Cheapest in	February
Average price	$310
Good round-trip deal	$231 or less
Good one-way deal	$124 or less

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

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($46 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($6 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 Louisville Intl to Washington, D.C. Reagan-National.

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

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Find flight deals from Louisville to Reagan-National

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

Thu 7/247:15 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Sat 8/28:25 amDCA - SDF

Nonstop2h 02mAmerican Airlines

Deal found 6/30

$189

Sat 12/66:10 amSDF - DCA

1 stop7h 25mSouthwest

Fri 12/1210:40 amDCA - SDF

1 stop8h 35mSouthwest

Deal found 6/30

$190

Mon 9/297:33 pmSDF - DCA

1 stop4h 09mDelta

Sat 10/49:40 amDCA - SDF

1 stop5h 13mDelta

Deal found 6/29

$208

Fri 12/56:00 amSDF - DCA

1 stop6h 19mUnited Airlines

Sat 12/132:00 pmDCA - SDF

1 stop5h 25mUnited Airlines

Deal found 6/30

$274

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

Thu 7/247:15 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Sat 8/28:25 amDCA - SDF

Nonstop2h 02mAmerican Airlines

Deal found 6/30

$189

Sat 12/66:10 amSDF - DCA

1 stop7h 25mSouthwest

Fri 12/1210:40 amDCA - SDF

1 stop8h 35mSouthwest

Deal found 6/30

$190

Thu 7/2410:39 amSDF - DCA

1 stop6h 35mDelta

Sat 8/26:05 amDCA - SDF

1 stop3h 44mDelta

Deal found 6/30

$209

Wed 9/36:15 amSDF - DCA

1 stop6h 07mUnited Airlines

Sat 9/67:00 amDCA - SDF

1 stop6h 15mUnited Airlines

Deal found 6/30

$269

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

Wed 7/910:43 amSDF - DCA

Nonstop1h 50mAmerican Airlines

Mon 7/147:59 pmDCA - SDF

Nonstop1h 54mAmerican Airlines

Deal found 6/30

$224

Wed 7/97:50 amSDF - DCA

1 stop3h 44mDelta

Mon 7/146:20 pmDCA - SDF

1 stop6h 12mDelta

Deal found 6/30

$244

Thu 7/103:55 pmSDF - DCA

1 stop7h 05mSouthwest

Mon 7/146:55 amDCA - SDF

2 stops13h 00mSouthwest

Deal found 6/30

$365

Thu 7/106:08 pmSDF - DCA

1 stop4h 34mUnited Airlines

Sun 7/132:00 pmDCA - SDF

1 stop6h 26mUnited Airlines

Deal found 6/30

$379

Wed 7/237:55 pmSDF - DCA

1 stop3h 55mSouthwest

Sat 7/267:10 pmDCA - SDF

1 stop3h 50mSouthwest

Deal found 6/30

$204

Thu 7/247:15 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Sat 8/28:25 amDCA - SDF

Nonstop2h 02mAmerican Airlines

Deal found 6/30

$189

Thu 7/2410:39 amSDF - DCA

1 stop6h 35mDelta

Sat 8/26:05 amDCA - SDF

1 stop3h 44mDelta

Deal found 6/30

$209

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

Wed 9/176:00 amSDF - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/30

$69

Wed 9/171:15 pmSDF - DCA

1 stop5h 00mSouthwest

Deal found 6/30

$79

Wed 7/1610:29 amSDF - DCA

1 stop6h 04mDelta

Deal found 7/1

$135

Sun 7/137:00 amSDF - DCA

1 stop4h 59mUnited Airlines

Deal found 7/1

$269

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 7/24

7:15 am-9:00 am

Nonstop1h 45m

Washington, D.C. Reagan-National

Sat 8/2

8:25 am-10:27 am

Nonstop2h 02m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 7/23

7:55 pm-11:50 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 7/26

7:10 pm-11:00 pm

1 stop3h 50m

$204

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 7/24

10:39 am-5:14 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Sat 8/2

6:05 am-9:49 am

1 stop3h 44m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 9/3

6:15 am-12:22 pm

1 stop6h 07m

Washington, D.C. Reagan-National

Sat 9/6

7:00 am-1:15 pm

1 stop6h 15m

$269

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 9/17

6:00 am-7:45 am

Nonstop1h 45m

$69

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 9/17

1:15 pm-6:15 pm

1 stop5h 00m

$79

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 7/16

10:29 am-4:33 pm

1 stop6h 04m

$135

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sun 7/13

7:00 am-11:59 am

1 stop4h 59m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Louisville 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 Louisville to Washington, D.C. Reagan-National Airport

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

The price you pay for your flight from Louisville to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 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 Louisville to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Louisville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 SDF to DCA?

One of the essential ways to save on airfare from Louisville to Washington, D.C. Reagan-National Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

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

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

Reviews of airlines servicing Reagan-National

See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Washington, D.C. Reagan-National Airport 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 from for flights from Louisville to Washington, D.C. Reagan-National?
Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Louisville Intl; the airport handles an average of 1 outbound flight to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Louisville airport to Washington, D.C. Reagan-National. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.
What are the cheapest airlines flying from Louisville to Washington, D.C. Reagan-National Airport round-trip?
Currently priced at $189, American Airlines will fly you from Louisville to Washington, D.C. Reagan-National Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $190 and $209, respectively. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Louisville to Washington, D.C. Reagan-National Airport one-way?
The cheapest airlines for a one-way flight from Louisville to Washington, D.C. Reagan-National Airport are American Airlines ($69), Southwest ($79), and Delta ($135).
What are the most reliable airlines from Louisville to Washington, D.C. Reagan-National Airport?
Before booking your flight to Washington, D.C. Reagan-National Airport from Louisville, check out the most reliable airlines to get you to your destination on time: Republic Airways (59%), PSA Airlines (48%), American Airlines( 45%).
What are the cheapest flights from Louisville to Washington, D.C. Reagan-National Airport?
On average you can expect to pay $225 for a flight from Louisville to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $89 while the most popular route, (Louisville Intl - Washington, D.C. Reagan-National) is currently priced at $157.
Can I find deals for flights from Louisville to Reagan-National that include hotel bookings?
Yes. In addition to deals on Louisville to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Reagan-National.
Can I find deals for business class flights from Louisville to Reagan-National?
Yes. Cheapflights offers flight deals from Louisville to Reagan-National 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 Louisville to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Louisville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

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Top 2 airlines flying from Louisville to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$189	Average$303	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$208	Average$438	FlexibilityNo cancel fee	On-timeN/A

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$69+ Cheap flights from Louisville (SDF) to Reagan-National (DCA)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Reagan-National 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 Louisville Intl to Washington, D.C. Reagan-National are usually found in February or August, booked 83 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Louisville to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Louisville to Reagan-National

Cheapest flights from Louisville to Reagan-NationalExplore the most affordable flight options available from Louisville to Reagan-National. 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 Louisville to Reagan-National. 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 Louisville to Washington, D.C. Reagan-National Airport that are best for you.

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

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

Cheapflights Insights

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

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

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

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

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

Find hourly flight availability from Louisville to Reagan-National. 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 Louisville to Washington, D.C. Reagan-National Airport?

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

Reviews of airlines servicing Reagan-National

See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Washington, D.C. Reagan-National Airport 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 Louisville to Reagan-National. 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 from for flights from Louisville to Washington, D.C. Reagan-National?

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

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

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

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

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

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

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

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

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Top 2 airlines flying from Louisville to Reagan-National

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