$100+ Cheap flights from Louisville (SDF) to District of Columbia
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to District of Columbia 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to District of Columbia
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Cheapest flights from Louisville to District of ColumbiaExplore the most affordable flight options available from Louisville to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Louisville to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 11/233:00 pm -
1 stop4h 29m
Fri 11/276:10 am -
1 stop3h 49m
Deal found 8/18![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 11/235:40 pm -
1 stop5h 41m
Fri 11/276:00 am -
1 stop3h 59m
Deal found 8/18![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/19. 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 9/301:15 pm -
2 stops8h 50m
Fri 10/23:25 pm -
2 stops7h 05m
Deal found 8/19![Southwest logo]()
$238
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/811:10 am -
Nonstop1h 48m
Sat 9/127:33 pm -
Nonstop1h 54m
Deal found 8/19![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/810:05 am -
Nonstop1h 42m
Sat 9/1212:50 pm -
Nonstop1h 47m
Deal found 8/19![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 8/17. 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 9/257:10 pm -
1 stop4h 45m
Tue 9/298:00 am -
2 stops7h 15m
Deal found 8/17![Southwest logo]()
$242
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/96:00 am -
Nonstop1h 35m
Mon 10/128:35 am -
Nonstop1h 43m
Deal found 8/21![United Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 11/1911:08 am -
1 stop6h 11m
Mon 11/233:42 pm -
Nonstop2h 08m
Deal found 8/17![American Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/1110:05 am -
Nonstop1h 42m
Sun 9/138:35 am -
Nonstop1h 43m
Deal found 8/19![United Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 8/18. 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 11/126:00 am -
1 stop6h 59m
Sun 11/156:10 am -
1 stop3h 49m
Deal found 8/18![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 8/18. 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 10/310:32 am -
1 stop5h 58m
Sun 10/116:05 am -
1 stop3h 54m
Deal found 8/18![Delta logo]()
$244
This Southwest deal was found by Cheapflights users on 8/19. 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 9/187:10 pm -
1 stop4h 45m
Fri 9/256:55 am -
1 stop6h 10m
Deal found 8/19![Southwest logo]()
$247
Best flights from Louisville to District of ColumbiaDiscover carefully curated flight deals from Louisville to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Louisville to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 10/310:32 am -
1 stop5h 58m
Sun 10/116:05 am -
1 stop3h 54m
Deal found 8/19![Delta logo]()
$244
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/212:20 pm -
Nonstop1h 34m
Mon 1/251:00 pm -
Nonstop1h 47m
Deal found 8/17![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 8/20. 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 9/247:10 pm -
1 stop4h 45m
Mon 9/286:05 am -
2 stops7h 00m
Deal found 8/20![Southwest logo]()
$291
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 12/2311:35 am -
Nonstop1h 39m
Mon 12/287:58 pm -
Nonstop1h 59m
Deal found 8/16![American Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 8/18. 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 11/202:50 pm -
1 stop5h 59m
Thu 11/266:59 am -
1 stop7h 14m
Deal found 8/18![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 8/21. 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 11/1910:39 am -
1 stop5h 56m
Mon 11/236:00 am -
1 stop5h 56m
Deal found 8/21![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/46:00 am -
Nonstop1h 35m
Sat 9/512:50 pm -
Nonstop1h 47m
Deal found 8/18![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sun 11/15:35 pm -
1 stop5h 20m
Tue 11/36:10 am -
1 stop4h 20m
Deal found 8/17![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 8/18. 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 11/2510:13 am -
1 stop5h 44m
Thu 11/2611:10 am -
1 stop5h 44m
Deal found 8/18![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 1/75:30 am -
2 stops10h 49m
Mon 1/111:00 pm -
Nonstop1h 47m
Deal found 8/20![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 9/126:00 am -
1 stop4h 03m
Sun 9/136:10 am -
1 stop3h 42m
Deal found 8/17![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:55 am -
Nonstop1h 38m
Mon 11/235:35 pm -
Nonstop1h 55m
Deal found 8/17![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 10/225:57 pm -
1 stop5h 50m
Wed 10/289:32 am -
1 stop4h 21m
Deal found 8/17![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/96:00 am -
Nonstop1h 35m
Mon 10/125:50 pm -
1 stop5h 51m
Deal found 8/18![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 8/21. 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 11/205:58 pm -
1 stop4h 22m
Sat 11/216:30 pm -
1 stop5h 35m
Deal found 8/21![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 8/20. 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 9/177:55 pm -
1 stop4h 46m
Sat 9/266:10 am -
1 stop3h 42m
Deal found 8/20![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 8/315:50 pm -
1 stop5h 58m
Thu 9/106:10 am -
1 stop3h 42m
Deal found 8/20![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 9/235:55 pm -
1 stop4h 45m
Sun 9/276:00 am -
1 stop4h 19m
Deal found 8/16![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 8/21. 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 9/95:50 pm -
1 stop5h 24m
Sun 9/136:10 am -
1 stop3h 42m
Deal found 8/21![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/21. 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 9/101:15 pm -
1 stop3h 56m
Sun 9/136:10 am -
1 stop3h 42m
Deal found 8/21![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/21. 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 9/46:00 am -
1 stop5h 27m
Mon 9/76:20 am -
1 stop4h 45m
Deal found 8/21![Delta logo]()
$309
Last-minute flights from Louisville to District of ColumbiaDiscover last-minute flight deals from Louisville to District of Columbia. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to District of Columbia. Data last updated August 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
Nonstop1h 35m
Mon 9/78:35 am -
Nonstop1h 43m
Deal found 8/17![United Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/410:05 am -
Nonstop1h 42m
Tue 9/86:25 pm -
Nonstop1h 44m
Deal found 8/18![United Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/811:10 am -
Nonstop1h 48m
Sat 9/127:33 pm -
Nonstop1h 54m
Deal found 8/19![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/810:05 am -
Nonstop1h 42m
Sat 9/1212:50 pm -
Nonstop1h 47m
Deal found 8/19![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/1110:05 am -
Nonstop1h 42m
Sun 9/138:35 am -
Nonstop1h 43m
Deal found 8/19![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/156:20 am -
1 stop4h 29m
Tue 9/227:33 pm -
Nonstop1h 54m
Deal found 8/16![American Airlines logo]()
$244
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/176:18 am -
1 stop4h 31m
Tue 9/227:33 pm -
Nonstop1h 54m
Deal found 8/17![American Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 8/19. 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 9/187:10 pm -
1 stop4h 45m
Fri 9/256:55 am -
1 stop6h 10m
Deal found 8/19![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/186:00 am -
Nonstop1h 44m
Sun 9/205:00 pm -
1 stop5h 33m
Deal found 8/18![American Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 8/18. 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 9/2310:32 am -
1 stop5h 58m
Sun 9/276:10 am -
1 stop3h 42m
Deal found 8/18![Delta logo]()
$244
This Southwest deal was found by Cheapflights users on 8/17. 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 9/257:10 pm -
1 stop4h 45m
Tue 9/298:00 am -
2 stops7h 15m
Deal found 8/17![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 8/19. 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 9/301:15 pm -
2 stops8h 50m
Fri 10/23:25 pm -
2 stops7h 05m
Deal found 8/19![Southwest logo]()
$238
One-way flights from Louisville to District of ColumbiaSearch for one-way flight options from Louisville to District of Columbia. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Louisville to District of Columbia. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/18. 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 40m
Deal found 8/18![Southwest logo]()
$100
This Southwest deal was found by Cheapflights users on 8/19. 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 9/156:45 pm -
1 stop4h 20m
Deal found 8/19![Southwest logo]()
$105
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/161:15 pm -
1 stop5h 55m
Deal found 8/17![Southwest logo]()
$114
This Southwest deal was found by Cheapflights users on 8/18. 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 9/112:15 pm -
1 stop5h 35m
Deal found 8/18![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:56 am -
2 stops13h 14m
Deal found 8/17![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:50 pm -
1 stop26h 04m
Deal found 8/18![Allegiant Air logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:56 am -
2 stops13h 14m
Deal found 8/18![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:09 pm -
1 stop15h 54m
Deal found 8/17![Multiple Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 8/20. 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 9/147:10 pm -
1 stop4h 45m
Deal found 8/20![Southwest logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:25 am -
2 stops29h 48m
Deal found 8/21![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:10 pm -
1 stop24h 01m
Deal found 8/19![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:55 pm -
2 stops21h 18m
Deal found 8/17![Multiple Airlines logo]()
$146
Find flight deals from Louisville to District of Columbia
Keep the following information in mind while searching for Louisville to District of Columbia flight deals. Data was last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Delta) |
One-way from | $100 (Southwest) |
Popular in | June |
Cheapest in | November |
Average price | $299 |
Good round-trip deal | $259 or less |
Good one-way deal | $248 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to District of Columbia 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 August 22, 2026.
Use the filters below to find and compare flights from Louisville to District of Columbia that are best for you.
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Cheapest round-trip
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Sat 10/3
10:32 am-4:30 pm
1 stop5h 58m
Washington, D.C. Dulles Intl
Sun 10/11
6:05 am-9:59 am
1 stop3h 54m
$244
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Fri 11/20
2:50 pm-8:49 pm
1 stop5h 59m
Washington, D.C. Reagan-National
Thu 11/26
6:59 am-2:13 pm
1 stop7h 14m
$253
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Thu 11/19
10:39 am-4:35 pm
1 stop5h 56m
Washington, D.C. Reagan-National
Mon 11/23
6:00 am-11:56 am
1 stop5h 56m
$253
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Wed 11/25
10:13 am-3:57 pm
1 stop5h 44m
Washington, D.C. Dulles Intl
Thu 11/26
11:10 am-4:54 pm
1 stop5h 44m
$253
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Sat 9/12
6:00 am-10:03 am
1 stop4h 03m
Washington, D.C. Dulles Intl
Sun 9/13
6:10 am-9:52 am
1 stop3h 42m
$253
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Thu 10/22
5:57 pm-11:47 pm
1 stop5h 50m
Washington, D.C. Reagan-National
Wed 10/28
9:32 am-1:53 pm
1 stop4h 21m
$254
Quickest round-trip
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Thu 1/21
2:20 pm-3:54 pm
Nonstop1h 34m
Washington, D.C. Dulles Intl
Mon 1/25
1:00 pm-2:47 pm
Nonstop1h 47m
$277
LouisvilleWashington, D.C.
SDF Louisville Intl - DCA Washington, D.C. Reagan-National
SDFDCA
Louisville Intl
Fri 11/20
5:58 pm-10:20 pm
1 stop4h 22m
Washington, D.C. Reagan-National
Sat 11/21
6:30 pm-12:05 am
1 stop5h 35m
$279
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Thu 9/17
7:55 pm-12:41 am
1 stop4h 46m
Washington, D.C. Dulles Intl
Sat 9/26
6:10 am-9:52 am
1 stop3h 42m
$284
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Fri 9/4
6:00 am-7:35 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Sat 9/5
12:50 pm-2:37 pm
Nonstop1h 47m
$289
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Louisville to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Louisville with our price prediction graph.
SDF-DCA
SDF-IAD
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 District of Columbia
SDF-USDC
SDF-DCA
SDF-IAD
What is the cheapest month to book a flight from Louisville to District of Columbia?
Currently, November is the cheapest month in which you can book a flight from Louisville to District of Columbia (average of $264). Flying from Louisville to District of Columbia in June is currently the most expensive (average of $332). 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 DC?
Find hourly flight availability from Louisville to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 22, 2026.
It’s optimal to fly from Louisville to District of Columbia in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Louisville to District of Columbia
Explore weekly flight availability from Louisville to District of Columbia. 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 August 22, 2026.
The most flights from SDF to USDC are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Louisville to District of Columbia?
Airfare is typical for this route at the moment.
Louisville to District of Columbia flights typically cost between $228 and $334 in September.The cheapest round-trip price found within the last 5 days was $239 on United Airlines (Sep 8-Sep 12).
How far ahead should I book a flight from Louisville to District of Columbia?
The best time to book flights from Louisville to District of Columbia is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Louisville to District of Columbia?
Use this chart to determine the cheapest time to fly round-trip from Louisville to District of Columbia. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Louisville to District of Columbia flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated August 22, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Louisville to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Louisville to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Louisville to District of Columbia
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Complete your trip
Complete your trip to District of Columbia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to District of Columbia by cabin class
Find flights from Louisville to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and District of Columbia flights
Browse other Louisville and District of Columbia flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Louisville to District of Columbia flights
Consider these flights traveling from Louisville to District of Columbia.
Top 4 airlines flying from Louisville to District of Columbia
Discover the top 4 airlines that operate flights from Louisville to District of Columbia. 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$299 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$281 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$396 | FlexibilityNo cancel fee | On-time63% |