$106+ Cheap flights from Louisville (SDF) to Reagan-National (DCA)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DCA
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Reagan-National 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 Louisville Intl to Washington, D.C. Reagan-National are usually found in January or August, booked 77 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Louisville to Reagan-National
Cheapest
Best
Last-minute
One-way
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 September 17, 2026.
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 September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 11/79:10 am -
2 stops9h 00m
Mon 11/92:40 pm -
1 stop6h 25m
Deal found 9/17![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/202:36 pm -
1 stop4h 01m
Sat 10/246:10 am -
1 stop3h 49m
Deal found 9/16![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:50 pm -
1 stop3h 45m
Tue 10/277:25 am -
2 stops7h 55m
Deal found 9/13![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:15 am -
1 stop5h 40m
Mon 11/212:40 pm -
2 stops9h 30m
Deal found 9/12![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 12/15:58 pm -
1 stop4h 33m
Sat 12/56:10 am -
1 stop4h 00m
Deal found 9/16![Delta logo]()
$235
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/296:29 am -
1 stop6h 07m
Mon 11/28:39 am -
Nonstop2h 08m
Deal found 9/15![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/16. 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 12/28:50 am -
1 stop6h 05m
Fri 12/46:10 am -
1 stop4h 20m
Deal found 9/16![Southwest logo]()
$238
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:50 am -
2 stops7h 30m
Sat 11/147:25 am -
2 stops9h 00m
Deal found 9/13![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 9/15. 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 10/237:50 pm -
1 stop3h 45m
Mon 10/265:05 pm -
1 stop5h 30m
Deal found 9/15![Southwest logo]()
$243
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/195:48 pm -
Nonstop1h 47m
Mon 11/233:42 pm -
Nonstop2h 08m
Deal found 9/16![American Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 11/64:05 pm -
1 stop7h 30m
Mon 11/93:35 pm -
1 stop6h 40m
Deal found 9/14![Southwest logo]()
$247
Best flights from Louisville to Reagan-NationalDiscover 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 September 17, 2026.
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 September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 11/79:10 am -
2 stops9h 00m
Mon 11/92:40 pm -
1 stop6h 25m
Deal found 9/17![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/207:55 am -
1 stop3h 37m
Tue 10/277:59 am -
1 stop4h 55m
Deal found 9/16![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/16. 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 11/112:05 pm -
2 stops7h 55m
Thu 11/1212:00 pm -
2 stops10h 15m
Deal found 9/16![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 9/17. 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 10/162:50 pm -
1 stop5h 53m
Mon 10/196:10 am -
1 stop5h 00m
Deal found 9/17![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 9/16. 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 10/237:50 pm -
1 stop3h 45m
Mon 10/265:05 pm -
1 stop5h 30m
Deal found 9/16![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/247:05 am -
1 stop4h 24m
Tue 12/19:40 am -
1 stop4h 49m
Deal found 9/15![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 9/295:55 pm -
1 stop5h 49m
Mon 10/57:40 pm -
1 stop4h 19m
Deal found 9/13![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:35 pm -
1 stop5h 20m
Tue 11/36:10 am -
1 stop4h 20m
Deal found 9/13![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:50 pm -
1 stop3h 40m
Mon 10/53:25 pm -
2 stops7h 10m
Deal found 9/13![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 10/163:35 pm -
2 stops7h 20m
Mon 10/193:25 pm -
2 stops7h 10m
Deal found 9/14![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 9/15. 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 11/147:10 am -
2 stops9h 05m
Sun 11/158:25 am -
2 stops6h 40m
Deal found 9/15![Southwest logo]()
$338
Last-minute flights from Louisville to Reagan-NationalDiscover last-minute flight deals from Louisville to Reagan-National. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Reagan-National. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/105:19 pm -
1 stop6h 40m
Wed 10/147:29 pm -
Nonstop2h 01m
Deal found 9/17![American Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 9/17. 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 10/162:50 pm -
1 stop5h 53m
Mon 10/196:10 am -
1 stop5h 00m
Deal found 9/17![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/202:36 pm -
1 stop4h 01m
Sat 10/246:10 am -
1 stop3h 49m
Deal found 9/16![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:50 pm -
1 stop3h 45m
Tue 10/277:25 am -
2 stops7h 55m
Deal found 9/13![Southwest logo]()
$230
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/226:00 am -
Nonstop1h 48m
Sun 10/258:33 am -
Nonstop2h 06m
Deal found 9/16![American Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 9/15. 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 10/223:35 pm -
2 stops7h 20m
Sat 10/246:10 am -
2 stops8h 45m
Deal found 9/15![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 9/15. 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 10/237:50 pm -
1 stop3h 45m
Mon 10/265:05 pm -
1 stop5h 30m
Deal found 9/15![Southwest logo]()
$243
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/234:52 pm -
1 stop5h 07m
Mon 10/267:29 pm -
Nonstop2h 01m
Deal found 9/16![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/296:29 am -
1 stop6h 07m
Mon 11/28:39 am -
Nonstop2h 08m
Deal found 9/15![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/14. 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.
Thu 10/297:50 pm -
1 stop3h 45m
Fri 10/303:25 pm -
2 stops7h 10m
Deal found 9/14![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:15 am -
1 stop5h 40m
Mon 11/212:40 pm -
2 stops9h 30m
Deal found 9/12![Southwest logo]()
$234
One-way flights from Louisville to Reagan-NationalSearch for one-way flight options from Louisville to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Louisville to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/134:00 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$106
This Southwest deal was found by Cheapflights users on 9/14. 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.
Thu 10/227:50 pm -
1 stop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$110
This Southwest deal was found by Cheapflights users on 9/16. 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 11/58:45 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$115
This Southwest deal was found by Cheapflights users on 9/16. 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 12/108:50 am -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 9/17. 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 11/168:50 am -
2 stops7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$120
This Southwest deal was found by Cheapflights users on 9/16. 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 10/157:50 pm -
1 stop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$125
This Southwest deal was found by Cheapflights users on 9/17. 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 10/167:50 pm -
1 stop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 9/15. 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 1/1810:50 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$130
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 11/137:55 pm -
1 stop4h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:10 am -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$160
Find 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Southwest) |
One-way from | $106 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $304 |
Good round-trip deal | $303 or less |
Good one-way deal | $247 or less |
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 7,457,451 searches. Data last updated September 17, 2026.
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
Cheapest round-trip
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Wed 12/16
12:10 pm-5:55 pm
1 stop5h 45m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Tue 10/13
4:00 pm-10:55 pm
2 stops6h 55m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$111
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Wed 11/4
8:50 am-3:40 pm
2 stops6h 50m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$111
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Thu 12/10
8:50 am-2:55 pm
1 stop6h 05m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Mon 11/16
8:50 am-4:20 pm
2 stops7h 30m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
Quickest round-trip
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Wed 9/30
8:45 am-2:00 pm
1 stop5h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$175
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Tue 9/29
1:15 pm-10:10 pm
2 stops8h 55m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$180
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Fri 11/27
8:45 am-3:15 pm
1 stop6h 30m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Sat 11/7
9:10 am-6:10 pm
2 stops9h 00m
Washington, D.C. Reagan-National
Mon 11/9
2:40 pm-9:05 pm
1 stop6h 25m
$226
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Tue 10/20
7:55 am-11:32 am
1 stop3h 37m
Washington, D.C. Reagan-National
Tue 10/27
7:59 am-12:54 pm
1 stop4h 55m
$229
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Louisville to Reagan-National
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 Louisville to Reagan-National in September.
| 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 Louisville-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Washington, D.C. Reagan-National Airport 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 Louisville-Washington, D.C. Reagan-National Airport 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 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.
SDF-DCA
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
Prices
Airlines
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 41 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, January is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Reagan-National Airport (average of $219). Flying from Louisville to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $349). 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 September 17, 2026.
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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% 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 September 12, 2026.
Travelers seeking maximum savings on their Louisville to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 17, 2026.
See what other customers who have flown with Southwest 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.
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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.
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 locationsAlexandria
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo
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Louisville and Reagan-National flights
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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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$290 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$420 | FlexibilityNo cancel fee | On-time63% |