Reagan-National

$88+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DCA
ago. 19 — ago. 261
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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 82 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Louisville to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$88
(Southwest)

Popular in

October

Cheapest in

February

Average price

$267

Good round-trip deal

$211 or less

Good one-way deal

$155 or less
From Louisville Intl to Washington, D.C. Reagan-National
One-way flight from Louisville Intl to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 14% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Louisville Intl to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Louisville Intl to Washington, D.C. Reagan-National.

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 agosto 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/36:00 amSDF - DCA
Nonstop1h 47mAmerican Airlines
sáb. 9/68:29 amDCA - SDF
Nonstop2h 12mAmerican Airlines
Deal found 8/12$189
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:00 amSDF - DCA
Nonstop1h 45mAmerican Airlines
lun. 9/88:30 pmDCA - SDF
Nonstop1h 52mAmerican Airlines
Deal found 8/12$190
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/274:00 pmSDF - DCA
1 stop4h 25mSouthwest
mar. 9/306:00 amDCA - SDF
2 stops9h 15mSouthwest
Deal found 8/14$191
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/267:35 pmSDF - DCA
Nonstop1h 44mAmerican Airlines
lun. 9/295:10 pmDCA - SDF
Nonstop1h 55mAmerican Airlines
Deal found 8/13$194
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:50 amSDF - DCA
1 stop3h 44mDelta
lun. 9/86:20 pmDCA - SDF
1 stop5h 36mDelta
Deal found 8/13$197
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/3010:24 amSDF - DCA
1 stop3h 35mDelta
dom. 8/316:00 amDCA - SDF
1 stop3h 44mDelta
Deal found 8/12$199
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:32 pmSDF - DCA
Nonstop1h 43mAmerican Airlines
mar. 9/308:29 amDCA - SDF
Nonstop2h 12mAmerican Airlines
Deal found 8/14$200
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/41:15 pmSDF - DCA
2 stops9h 20mSouthwest
lun. 9/86:00 amDCA - SDF
1 stop6h 20mSouthwest
Deal found 8/14$202
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:33 pmSDF - DCA
1 stop4h 24mDelta
sáb. 9/206:00 amDCA - SDF
1 stop3h 46mDelta
Deal found 8/12$203
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/23:20 pmSDF - DCA
1 stop7h 55mSouthwest
sáb. 9/68:25 amDCA - SDF
1 stop6h 40mSouthwest
Deal found 8/14$208
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/278:10 amSDF - DCA
1 stop4h 30mDelta
sáb. 8/302:40 pmDCA - SDF
1 stop3h 36mDelta
Deal found 8/13$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
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

Louisville

Fly to

Reagan-National

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

lun. 9/8

7:35 pm-9:19 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

lun. 9/15

8:30 pm-10:22 pm

Nonstop1h 52m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

vie. 9/26

7:35 pm-9:19 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

lun. 9/29

8:30 pm-10:22 pm

Nonstop1h 52m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

mié. 9/17

7:35 pm-9:19 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

sáb. 9/20

8:29 am-10:41 am

Nonstop2h 12m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

sáb. 9/27

5:32 pm-7:15 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

mar. 9/30

8:29 am-10:41 am

Nonstop2h 12m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

mié. 9/3

6:00 am-7:47 am

Nonstop1h 47m

Washington, D.C. Reagan-National

sáb. 9/6

8:29 am-10:41 am

Nonstop2h 12m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

vie. 12/19

6:03 am-7:45 am

Nonstop1h 42m

Washington, D.C. Reagan-National

sáb. 1/3

7:45 pm-9:41 pm

Nonstop1h 56m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

sáb. 9/13

6:00 am-7:45 am

Nonstop1h 45m

Washington, D.C. Reagan-National

sáb. 9/20

8:29 am-10:41 am

Nonstop2h 12m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

mar. 9/9

6:00 am-7:45 am

Nonstop1h 45m

Washington, D.C. Reagan-National

mar. 9/16

8:30 pm-10:22 pm

Nonstop1h 52m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

jue. 9/4

6:00 am-7:45 am

Nonstop1h 45m

Washington, D.C. Reagan-National

lun. 9/8

8:30 pm-10:22 pm

Nonstop1h 52m

$190

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

lun. 10/6

1:20 pm-6:30 pm

1 stop5h 10m

Washington, D.C. Reagan-National

mar. 10/7

2:35 pm-10:45 pm

2 stops8h 10m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
1
2

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?

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 August 8, 2025.

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 81 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?

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 agosto 14, 2025.

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 16% on airfare.

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 August 10, 2025.

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.

Weekly flight availability from Louisville to Washington, D.C. Reagan-National Airport

Explore weekly flight availability from Louisville to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 14, 2025.

The most flights from SDF to DCA are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated agosto 14, 2025.
See what other customers who have flown with Delta and American 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.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    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 3 outbound flights 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. Check Cheapflights for deals on Delta for as low as $208. American Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • 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 (92%), American Airlines (72%), Alaska Airlines( 67%).

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

    On average you can expect to pay $329 for a flight from Louisville to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $124 while the most popular route, (Louisville Intl - Washington, D.C. Reagan-National) is currently priced at $186.

  • 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.

See more FAQs

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

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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Top 2 airlines flying from Louisville to Reagan-National

Discover the top 2 airlines that operate flights from Louisville to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$302FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$438FlexibilityNo cancel feeOn-timeN/A

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