$182+ Cheap flights from Louisville (SDF) to Washington
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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Washington 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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Cheapest flights from Louisville to WashingtonExplore the most affordable flight options available from Louisville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
Explore the most affordable flight options available from Louisville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:05 am -
1 stop7h 45m
Sat 10/311:00 pm -
1 stop6h 47m
Deal found 9/24![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 9/25. 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 10/211:59 pm -
1 stop8h 05m
Wed 10/2811:50 pm -
1 stop9h 07m
Deal found 9/25![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/218:00 am -
2 stops9h 17m
Wed 10/2810:50 am -
1 stop7h 02m
Deal found 9/25![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/25. 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 12/21:25 pm -
1 stop10h 15m
Sat 12/512:51 pm -
1 stop8h 08m
Deal found 9/25![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Mon 11/92:11 pm -
1 stop9h 45m
Fri 11/137:00 am -
1 stop7h 02m
Deal found 9/22![United Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/108:00 am -
2 stops9h 39m
Fri 11/137:00 am -
1 stop7h 02m
Deal found 9/26![United Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/237:27 pm -
1 stop7h 43m
Fri 10/3011:59 pm -
1 stop9h 02m
Deal found 9/23![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/236:00 pm -
1 stop7h 32m
Thu 12/311:02 pm -
1 stop6h 28m
Deal found 9/25![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 9/22. 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 11/94:05 pm -
2 stops10h 00m
Thu 11/1212:15 am -
1 stop6h 50m
Deal found 9/22![Southwest logo]()
$392
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:25 pm -
1 stop9h 33m
Thu 12/315:10 am -
1 stop6h 52m
Deal found 9/24![American Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:50 pm -
1 stop7h 50m
Thu 10/298:40 pm -
2 stops10h 30m
Deal found 9/24![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:20 pm -
1 stop9h 05m
Wed 12/307:00 am -
1 stop7h 20m
Deal found 9/24![United Airlines logo]()
$401
Best flights from Louisville to WashingtonDiscover carefully curated flight deals from Louisville to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from Louisville to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/247:25 am -
1 stop8h 23m
Wed 10/287:00 am -
1 stop8h 32m
Deal found 9/22![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/25. 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 12/27:41 am -
2 stops14h 18m
Sat 12/59:33 am -
2 stops10h 32m
Deal found 9/25![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 9/22. 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 11/94:05 pm -
2 stops10h 00m
Thu 11/1212:15 am -
1 stop6h 50m
Deal found 9/22![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:10 pm -
1 stop7h 53m
Sat 10/315:05 am -
2 stops10h 27m
Deal found 9/24![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/310:37 am -
2 stops10h 20m
Fri 11/610:56 pm -
1 stop7h 42m
Deal found 9/27![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 9/27. 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 11/33:50 pm -
2 stops9h 55m
Fri 11/67:55 pm -
2 stops11h 20m
Deal found 9/27![Southwest logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/236:00 pm -
1 stop7h 32m
Thu 12/311:02 pm -
1 stop6h 28m
Deal found 9/25![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 9/26. 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 11/102:05 pm -
2 stops11h 45m
Fri 11/139:10 am -
2 stops10h 05m
Deal found 9/26![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:57 pm -
1 stop8h 10m
Wed 11/45:05 am -
2 stops8h 57m
Deal found 9/24![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 9/25. 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 11/268:55 am -
2 stops12h 50m
Mon 11/3012:15 am -
2 stops9h 00m
Deal found 9/25![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:35 am -
2 stops10h 25m
Tue 3/25:40 am -
2 stops8h 45m
Deal found 9/24![Southwest logo]()
$478
This Delta deal was found by Cheapflights users on 9/26. 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 10/95:38 pm -
2 stops9h 21m
Mon 10/125:19 pm -
2 stops12h 38m
Deal found 9/26![Delta logo]()
$664
This United Airlines deal was found by Cheapflights users on 9/26. 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 12/85:40 pm -
1 stop7h 35m
Wed 12/97:00 am -
1 stop8h 17m
Deal found 9/26![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/26. 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 10/306:00 am -
2 stops8h 41m
Fri 10/305:19 pm -
2 stops14h 02m
Deal found 9/26![Delta logo]()
$1,038
This Delta deal was found by Cheapflights users on 9/26. 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 10/77:00 am -
2 stops10h 50m
Thu 10/85:20 am -
2 stops10h 50m
Deal found 9/26![Delta logo]()
$1,152
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/78:00 am -
1 stop7h 54m
Thu 10/85:05 am -
1 stop6h 35m
Deal found 9/26![United Airlines logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/95:15 am -
3 stops18h 25m
Mon 10/1212:59 pm -
1 stop6h 33m
Deal found 9/26![United Airlines logo]()
$1,198
Last-minute flights from Louisville to WashingtonDiscover last-minute flight deals from Louisville to Washington. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Washington. Data last updated September 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/165:15 am -
1 stop9h 24m
Sun 10/255:00 am -
1 stop6h 22m
Deal found 9/22![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 9/25. 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 10/211:59 pm -
1 stop8h 05m
Wed 10/2811:50 pm -
1 stop9h 07m
Deal found 9/25![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/218:00 am -
2 stops9h 17m
Wed 10/2810:50 am -
1 stop7h 02m
Deal found 9/25![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:50 pm -
1 stop7h 50m
Thu 10/298:40 pm -
2 stops10h 30m
Deal found 9/24![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/237:27 pm -
1 stop7h 43m
Fri 10/3011:59 pm -
1 stop9h 02m
Deal found 9/23![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 9/22. 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 10/245:05 pm -
1 stop7h 35m
Wed 10/286:15 am -
2 stops11h 00m
Deal found 9/22![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 9/25. 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 10/266:39 pm -
1 stop8h 20m
Fri 10/3010:35 pm -
1 stop8h 46m
Deal found 9/25![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 9/25. 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 10/266:39 pm -
1 stop8h 20m
Sun 11/111:45 am -
1 stop9h 14m
Deal found 9/25![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/272:10 pm -
2 stops10h 09m
Sun 11/15:05 am -
1 stop6h 17m
Deal found 9/25![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:05 am -
1 stop7h 45m
Sat 10/311:00 pm -
1 stop6h 47m
Deal found 9/24![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 9/26. 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 10/306:35 am -
1 stop12h 55m
Fri 10/309:15 pm -
2 stops10h 25m
Deal found 9/26![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 9/25. 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 10/307:05 am -
1 stop8h 17m
Sun 11/11:40 pm -
1 stop7h 19m
Deal found 9/25![Delta logo]()
$427
One-way flights from Louisville to WashingtonSearch for one-way flight options from Louisville to Washington. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
Search for one-way flight options from Louisville to Washington. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Mon 10/195:04 am -
1 stop7h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/208:00 am -
2 stops9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:04 am -
1 stop9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:39 am -
3 stops58h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:36 pm -
2 stops10h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 9/26. 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 11/275:02 am -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/229:43 pm -
2 stops20h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 9/23. 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 10/196:15 pm -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$225
This deal was found by Cheapflights users on 9/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/13:20 pm -
1 stop8h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/73:36 pm -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/26. 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 10/76:00 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Delta logo]()
$402
Find flight deals from Louisville to Washington
Keep the following information in mind while searching for Louisville to Washington flight deals. Data was last updated September 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (Delta) |
One-way from | $182 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $486 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Washington 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 27, 2026.
Use the filters below to find and compare flights from Louisville to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Tue 1/26
6:36 am-10:55 am
1 stop7h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Sat 10/17
1:25 pm-10:36 pm
1 stop12h 11m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Tue 10/20
3:36 pm-9:15 pm
1 stop8h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Wed 10/14
9:04 am-3:51 pm
1 stop9h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Tue 1/26
8:30 am-5:05 pm
2 stops11h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Wed 10/21
8:00 am-2:17 pm
2 stops9h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Sat 10/24
3:36 pm-11:26 pm
2 stops10h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
LouisvilleSeattle
SDF Louisville Intl - SEA Seattle/Tacoma Intl
SDFSEA
Louisville Intl
Fri 10/16
9:04 am-3:51 pm
1 stop9h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
LouisvilleSpokane
SDF Louisville Intl - GEG Spokane
SDFGEG
Louisville Intl
Fri 1/1
3:20 pm-8:51 pm
1 stop8h 31m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
LouisvilleSpokane
SDF Louisville Intl - GEG Spokane
SDFGEG
Louisville Intl
Wed 10/14
6:00 am-11:50 am
1 stop8h 50m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Louisville to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Louisville with our price prediction graph.
SDF-SEA
SDF-GEG
SDF-PAE
SDF-PSC
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
SDF-USWA
SDF-SEA
SDF-GEG
SDF-PAE
SDF-PSC
What is the cheapest month to book a flight from Louisville to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Louisville to State of Washington (average of $299). Flying from Louisville to State of Washington in June is currently the most expensive (average of $578). 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.
How much does it cost to fly round-trip from Louisville to State of Washington?
Airfare is typical for this route at the moment.
Louisville to State of Washington flights typically cost between $336 and $608 in October.The cheapest round-trip price found within the last 5 days was $363 on Delta (Oct 21-Oct 28).
How far ahead should I book a flight from Louisville to State of Washington?
The price you pay for your flight from Louisville to State of Washington 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.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 27, 2026.
Read through reviews of airlines operating flights from Louisville to Washington, such as Southwest,Alaska Airlines, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Related info for your journey
Find useful and relevant information for your journey from Louisville to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Louisville to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Washington by cabin class
Find flights from Louisville to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Washington flights
Browse other Louisville and Washington flight options. Last updated on September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Louisville to Washington flights
Consider these flights traveling from Louisville to Washington.
Top 5 airlines flying from Louisville to Washington
Discover the top 5 airlines that operate flights from Louisville to Washington. 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$187 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$557 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$303 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$372 | Average$507 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$430 | Average$767 | FlexibilityNo cancel fee | On-time75% |