$97+ Cheap flights from Reagan-National (DCA) to Louisville (SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SDF
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Louisville Intl are usually found in January or February, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Thursday
Cheap flight deals from Reagan-National to Louisville
Cheapest
Best
Last-minute
One-way
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 October 9, 2026.
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 October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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.
Mon 11/212:00 pm -
2 stops10h 10m
Tue 11/32:05 pm -
2 stops8h 05m
Deal found 10/5![Southwest logo]()
$254
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Sat 11/217:44 pm -
1 stop4h 25m
Sun 11/2211:05 am -
Nonstop1h 54m
Deal found 10/4![American Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/306:05 am -
1 stop6h 10m
Sun 11/15:35 pm -
1 stop5h 20m
Deal found 10/8![Southwest logo]()
$256
This American Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/298:50 am -
Nonstop2h 08m
Sat 10/316:16 pm -
Nonstop1h 48m
Deal found 10/7![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/6. 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.
Tue 11/246:05 am -
1 stop9h 30m
Tue 12/13:50 pm -
2 stops7h 30m
Deal found 10/6![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/112:00 pm -
2 stops10h 10m
Wed 11/48:50 am -
1 stop6h 05m
Deal found 10/8![Southwest logo]()
$261
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 12/58:34 am -
Nonstop2h 10m
Sun 12/66:22 am -
1 stop5h 32m
Deal found 10/9![American Airlines logo]()
$263
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/58:39 am -
Nonstop2h 08m
Sun 11/86:27 am -
1 stop5h 22m
Deal found 10/5![American Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 10/8. 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.
Sat 11/216:30 pm -
1 stop4h 43m
Mon 11/237:50 am -
1 stop3h 39m
Deal found 10/8![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sun 11/812:40 pm -
1 stop8h 25m
Wed 11/112:05 pm -
2 stops7h 55m
Deal found 10/7![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/306:05 am -
1 stop6h 10m
Fri 10/303:35 pm -
2 stops7h 20m
Deal found 10/8![Southwest logo]()
$270
Best flights from Reagan-National to LouisvilleDiscover 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 October 9, 2026.
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 October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 12/43:35 pm -
1 stop4h 55m
Sun 12/67:55 pm -
1 stop4h 00m
Deal found 10/8![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 10/8. 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.
Fri 12/46:00 am -
1 stop5h 15m
Sun 12/65:56 pm -
1 stop5h 38m
Deal found 10/8![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 10/6. 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.
Fri 10/309:40 am -
1 stop4h 13m
Sun 11/17:55 am -
1 stop3h 37m
Deal found 10/6![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 10/7. 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.
Wed 1/2712:30 pm -
2 stops7h 30m
Sun 1/316:45 am -
1 stop6h 20m
Deal found 10/7![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/112:00 pm -
2 stops10h 10m
Fri 11/68:45 am -
1 stop6h 30m
Deal found 10/8![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/112:00 pm -
2 stops10h 10m
Wed 11/48:50 am -
2 stops7h 30m
Deal found 10/8![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 4/712:05 pm -
1 stop4h 46m
Sun 4/115:45 pm -
1 stop4h 30m
Deal found 10/6![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 10/5. 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 10/2912:00 pm -
2 stops9h 10m
Sun 11/18:45 am -
1 stop6h 30m
Deal found 10/5![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 10/8. 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.
Tue 11/247:20 am -
2 stops8h 15m
Fri 11/278:45 am -
1 stop6h 30m
Deal found 10/8![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 10/276:00 am -
1 stop5h 30m
Tue 10/274:00 pm -
2 stops6h 55m
Deal found 10/4![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 10/7. 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.
Fri 11/612:00 pm -
2 stops10h 15m
Fri 11/138:45 am -
2 stops7h 30m
Deal found 10/7![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 10/8. 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.
Mon 11/2312:00 pm -
2 stops10h 15m
Fri 11/278:45 am -
2 stops7h 30m
Deal found 10/8![Southwest logo]()
$328
Last-minute flights from Reagan-National to LouisvilleDiscover last-minute flight deals from Reagan-National to Louisville. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Louisville. Data last updated October 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 10/286:10 am -
1 stop3h 49m
Tue 11/31:59 pm -
1 stop6h 45m
Deal found 10/8![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/298:50 am -
Nonstop2h 08m
Sat 10/316:16 pm -
Nonstop1h 48m
Deal found 10/7![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/306:05 am -
1 stop6h 10m
Sun 11/15:35 pm -
1 stop5h 20m
Deal found 10/8![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/306:05 am -
1 stop6h 10m
Fri 10/303:35 pm -
2 stops7h 20m
Deal found 10/8![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/112:00 pm -
2 stops10h 10m
Wed 11/48:50 am -
1 stop6h 05m
Deal found 10/8![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 10/5. 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.
Mon 11/212:00 pm -
2 stops10h 10m
Tue 11/32:05 pm -
2 stops8h 05m
Deal found 10/5![Southwest logo]()
$254
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/58:39 am -
Nonstop2h 08m
Sun 11/86:27 am -
1 stop5h 22m
Deal found 10/5![American Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sun 11/812:40 pm -
1 stop8h 25m
Wed 11/112:05 pm -
2 stops7h 55m
Deal found 10/7![Southwest logo]()
$267
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Sat 11/217:44 pm -
1 stop4h 25m
Sun 11/2211:05 am -
Nonstop1h 54m
Deal found 10/4![American Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 10/8. 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.
Sat 11/216:30 pm -
1 stop4h 43m
Mon 11/237:50 am -
1 stop3h 39m
Deal found 10/8![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 10/6. 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.
Tue 11/246:05 am -
1 stop9h 30m
Tue 12/13:50 pm -
2 stops7h 30m
Deal found 10/6![Southwest logo]()
$260
One-way flights from Reagan-National to LouisvilleSearch for one-way flight options from Reagan-National to Louisville. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Reagan-National to Louisville. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 11/146:10 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 10/4. 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.
Wed 12/239:05 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$106
This Southwest deal was found by Cheapflights users on 10/6. 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.
Fri 12/43:35 pm -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 10/9. 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.
Wed 12/96:10 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 10/8. 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.
Tue 11/246:05 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 10/8. 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.
Wed 11/257:20 am -
2 stops8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sun 11/16:00 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$160
Find 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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Southwest) |
One-way from | $97 (Southwest) |
Popular in | March |
Cheapest in | January |
Average price | $300 |
Good round-trip deal | $332 or less |
Good one-way deal | $232 or less |
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 7,457,451 searches. Data last updated October 9, 2026.
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
Cheapest round-trip
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Sat 11/14
6:10 am-12:05 pm
1 stop5h 55m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Thu 1/7
12:30 pm-7:50 pm
2 stops7h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Sat 10/31
6:05 am-3:55 pm
2 stops9h 50m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$111
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Mon 12/7
12:15 pm-8:35 pm
2 stops8h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$111
Quickest round-trip
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Thu 12/24
6:10 am-10:30 am
1 stop4h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$133
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Wed 12/9
12:15 pm-8:35 pm
2 stops8h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Sat 1/9
7:15 am-3:00 pm
2 stops7h 45m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Sun 12/6
3:35 pm-10:10 pm
1 stop6h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Thu 12/3
1:00 pm-8:35 pm
1 stop7h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
Washington, D.C.Louisville
DCA Washington, D.C. Reagan-National - SDF Louisville Intl
DCASDF
Washington, D.C. Reagan-National
Fri 11/6
6:00 am-12:10 pm
1 stop6h 10m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$222
Showing 1-10 of 22 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
DCA-SDF
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 59 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 $249). Flying from Washington, D.C. Reagan-National Airport to Louisville in March is currently the most expensive (average of $466). 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 October 9, 2026.
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 10% 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 October 3, 2026.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Louisville flight should consider departing on Saturday mornings 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
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 October 9, 2026.
See what other customers who have flown with Southwest and American 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.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
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Book flights to Louisville if you plan to visit one of these locationsShepherdsville
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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 7,457,451 searches. Data last updated October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$372 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$358 | FlexibilityNo cancel fee | On-time63% |