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$90+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SDF
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 55 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Reagan-National to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Louisville (SDF). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Delta)

One-way from

$90
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$390

Good round-trip deal

$224 or less

Good one-way deal

$164 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Louisville Intl flights.
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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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High demand for flights, 7% potential price rise
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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 March 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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:00 amDCA - SDF
1 stop4h 08mDelta
Mon 5/127:09 pmSDF - DCA
1 stop4h 06mDelta
Deal found 3/24$209
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 6/38:28 amDCA - SDF
Nonstop1h 55mAmerican Airlines
Mon 6/97:30 pmSDF - DCA
Nonstop1h 44mAmerican Airlines
Deal found 3/24$214
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 4/246:55 amDCA - SDF
1 stop4h 25mSouthwest
Fri 4/255:05 pmSDF - DCA
1 stop6h 25mSouthwest
Deal found 3/24$244
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2510:30 amDCA - SDF
1 stop6h 45mUnited Airlines
Mon 4/285:56 pmSDF - DCA
1 stop4h 39mUnited Airlines
Deal found 3/24$431

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Louisville 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 March 25, 2025.
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

Reagan-National

Fly to

Louisville

Route

Depart

Return

Price

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 5/8

6:00 am-10:08 am

1 stop4h 08m

Louisville Intl

Mon 5/12

7:09 pm-11:15 pm

1 stop4h 06m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 6/3

8:28 am-10:23 am

Nonstop1h 55m

Louisville Intl

Mon 6/9

7:30 pm-9:14 pm

Nonstop1h 44m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 4/24

6:55 am-11:20 am

1 stop4h 25m

Louisville Intl

Fri 4/25

5:05 pm-11:30 pm

1 stop6h 25m

$244

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 4/29

7:00 am-10:30 pm

2 stops15h 30m

Louisville Intl

Thu 5/1

4:25 pm-9:42 pm

1 stop5h 17m

$331

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 5/13

8:28 am-10:23 am

Nonstop1h 55m

$90

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 4/22

8:59 am-3:54 pm

1 stop6h 55m

$100

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/9

7:30 am-12:20 pm

1 stop4h 50m

$110

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/23

6:00 am-10:30 pm

2 stops16h 30m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Reagan-National to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Louisville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 March 21, 2025.

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 55 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?

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 March 25, 2025.

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 14% 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?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Louisville. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Louisville flight should consider departing on Saturday evenings 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.

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

Explore weekly flight availability from Reagan-National to Louisville. 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 March 25, 2025.

The most flights from DCA to SDF are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

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.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated March 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Washington, D.C. to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    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 3 inbound flights 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 $209. Other airlines that can offer you cheap pricing are American Airlines, from $214, and Southwest, from $279. Users have found that Delta is 34% 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 $90. However, be on the lookout for offers from Delta and Southwest, 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 (75%), American Airlines( 50%).

  • 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 $258, our data indicates the cheapest price to be $105. The most popular route (Washington, D.C. Reagan-National - Louisville Intl), is priced around $199.

  • 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

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
Jeffersonville
Corydon
Elizabethtown
Bardstown

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Alternative routes for Reagan-National to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Reagan-National to Louisville

Discover the top 2 airlines that operate flights from Reagan-National to Louisville. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$173Average$254FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$335FlexibilityNo cancel feeOn-time71%
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