$244+ Cheap flights from Washington, D.C. (WAS) to Kaua'i
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIH
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Kaua'i with Cheapflights
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Cheapest flights from Washington, D.C. to Kaua'iExplore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Tue 9/1511:25 am
LIH
- BWI
1 stop22h 15m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/211:59 am
BWI
- LIH
2 stops14h 10m
American Airlines
Wed 9/91:25 pm
LIH
- BWI
2 stops14h 42m
American Airlines
Deal found 7/26![American Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 7/22. 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.
Tue 12/86:15 am
BWI
- LIH
2 stops20h 15m
Southwest
Mon 12/149:05 pm
LIH
- BWI
1 stop12h 20m
Southwest
Deal found 7/22![Southwest logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Mon 10/52:17 pm
LIH
- DCA
1 stop23h 43m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
IAD
- LIH
1 stop13h 39m
Alaska Airlines
Tue 9/110:45 am
LIH
- IAD
1 stop25h 29m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$506
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:57 pm
DCA
- LIH
1 stop20h 46m
Alaska Airlines
Wed 10/2110:43 am
LIH
- DCA
1 stop28h 17m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:47 pm
IAD
- LIH
2 stops28h 43m
Multiple Airlines
Tue 9/110:45 am
LIH
- IAD
1 stop25h 29m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$510
This Orbitz deal was found by Cheapflights users on 7/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:57 pm
DCA
- LIH
2 stops23h 13m
Multiple Airlines
Tue 10/2010:43 am
LIH
- DCA
1 stop28h 17m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:25 am
IAD
- LIH
1 stop17h 45m
Delta
Tue 9/159:54 pm
LIH
- IAD
2 stops19h 20m
Delta
Deal found 7/27![Delta logo]()
$512
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:10 am
DCA
- LIH
2 stops17h 29m
Delta
Tue 9/159:54 pm
LIH
- DCA
1 stop11h 38m
Delta
Deal found 7/27![Delta logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:24 pm
IAD
- LIH
2 stops26h 12m
Multiple Airlines
Wed 11/41:27 pm
LIH
- IAD
2 stops23h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/257:00 am
IAD
- LIH
2 stops18h 16m
Delta
Tue 9/18:41 pm
LIH
- IAD
2 stops13h 57m
Delta
Deal found 7/26![Delta logo]()
$517
Best flights from Washington, D.C. to Kaua'iDiscover carefully curated flight deals from Washington, D.C. to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Washington, D.C. to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Mon 10/52:17 pm
LIH
- DCA
1 stop23h 43m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 7/26. 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 9/26:05 am
DCA
- LIH
2 stops17h 36m
Delta
Wed 9/99:54 pm
LIH
- DCA
1 stop11h 38m
Delta
Deal found 7/26![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 9/256:35 am
IAD
- LIH
1 stop15h 05m
United Airlines
Mon 10/51:05 pm
LIH
- IAD
1 stop12h 16m
United Airlines
Deal found 7/23![United Airlines logo]()
$556
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:03 am
IAD
- LIH
1 stop17h 11m
Alaska Airlines
Tue 9/1510:45 am
LIH
- IAD
1 stop25h 29m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$558
This Southwest deal was found by Cheapflights users on 7/24. 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 8/236:30 am
BWI
- LIH
1 stop12h 05m
Southwest
Sun 8/308:25 pm
LIH
- BWI
1 stop11h 55m
Southwest
Deal found 7/24![Southwest logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:47 pm
IAD
- LIH
2 stops28h 43m
Multiple Airlines
Tue 9/110:45 am
LIH
- IAD
1 stop25h 29m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$510
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:15 pm
BWI
- LIH
2 stops22h 54m
Multiple Airlines
Tue 9/152:30 pm
LIH
- BWI
2 stops19h 10m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$537
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:59 am
DCA
- LIH
1 stop30h 37m
Alaska Airlines
Tue 9/293:45 pm
LIH
- DCA
1 stop20h 14m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am
DCA
- LIH
2 stops17h 34m
Delta
Thu 9/249:54 pm
LIH
- DCA
1 stop11h 38m
Delta
Deal found 7/23![Delta logo]()
$611
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/1712:40 pm
IAD
- LIH
1 stop13h 04m
United Airlines
Tue 9/11:15 pm
LIH
- IAD
1 stop12h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:59 pm
DCA
- LIH
2 stops22h 52m
Multiple Airlines
Tue 9/111:25 am
LIH
- DCA
1 stop22h 35m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 am
IAD
- LIH
2 stops17h 29m
Delta
Tue 9/159:54 pm
LIH
- IAD
2 stops16h 20m
Delta
Deal found 7/22![Delta logo]()
$636
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 8/226:30 am
BWI
- LIH
1 stop12h 05m
Southwest
Sat 8/298:25 pm
LIH
- BWI
2 stops14h 10m
Southwest
Deal found 7/23![Southwest logo]()
$722
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 9/288:20 am
DCA
- LIH
2 stops17h 24m
United Airlines
Wed 9/307:35 pm
LIH
- DCA
1 stop13h 35m
United Airlines
Deal found 7/25![United Airlines logo]()
$662
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am
IAD
- LIH
1 stop19h 14m
Alaska Airlines
Mon 9/219:35 pm
LIH
- IAD
1 stop13h 19m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:10 am
BWI
- LIH
2 stops19h 00m
Delta
Wed 9/169:54 pm
LIH
- BWI
2 stops17h 31m
Delta
Deal found 7/23![Delta logo]()
$639
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:35 pm
IAD
- LIH
1 stop22h 01m
Multiple Airlines
Sun 8/305:35 pm
LIH
- IAD
2 stops18h 39m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/51:00 pm
IAD
- LIH
1 stop13h 14m
United Airlines
Sat 9/121:03 pm
LIH
- IAD
1 stop11h 35m
United Airlines
Deal found 7/26![United Airlines logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:47 pm
IAD
- LIH
1 stop21h 49m
Alaska Airlines
Thu 9/249:35 pm
LIH
- IAD
1 stop20h 24m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$706
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Mon 9/219:35 pm
LIH
- BWI
1 stop14h 33m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 am
DCA
- LIH
2 stops17h 34m
Delta
Mon 9/218:45 pm
LIH
- DCA
2 stops15h 52m
Delta
Deal found 7/23![Delta logo]()
$715
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:30 am
IAD
- LIH
1 stop15h 10m
United Airlines
Sat 9/121:03 pm
LIH
- IAD
1 stop11h 35m
United Airlines
Deal found 7/24![United Airlines logo]()
$717
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
IAD
- LIH
1 stop13h 39m
Alaska Airlines
Mon 8/319:35 pm
LIH
- IAD
1 stop13h 09m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$765
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Wed 9/912:47 pm
LIH
- BWI
1 stop11h 43m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:00 am
BWI
- LIH
2 stops17h 58m
Delta
Mon 8/38:41 pm
LIH
- BWI
2 stops17h 09m
Delta
Deal found 7/24![Delta logo]()
$717
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:15 pm
BWI
- LIH
2 stops24h 43m
Multiple Airlines
Sun 8/305:35 pm
LIH
- BWI
2 stops16h 05m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$652
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:59 pm
DCA
- LIH
1 stop20h 43m
Multiple Airlines
Wed 9/3012:35 pm
LIH
- DCA
1 stop25h 25m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$702
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Sun 8/303:45 pm
LIH
- BWI
2 stops17h 55m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$711
Last-minute flights from Washington, D.C. to Kaua'iDiscover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated July 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:59 pm
DCA
- LIH
2 stops22h 52m
Multiple Airlines
Tue 9/111:25 am
LIH
- DCA
1 stop22h 35m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$554
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Sun 8/308:45 pm
LIH
- DCA
2 stops18h 15m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$571
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Sun 8/308:45 pm
LIH
- DCA
2 stops18h 15m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/239:24 am
BWI
- LIH
2 stops16h 45m
American Airlines
Sun 8/309:00 pm
LIH
- BWI
2 stops14h 54m
American Airlines
Deal found 7/24![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/238:15 am
IAD
- LIH
1 stop13h 25m
United Airlines
Sun 8/301:15 pm
LIH
- IAD
1 stop11h 45m
United Airlines
Deal found 7/24![United Airlines logo]()
$566
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:50 am
BWI
- LIH
1 stop12h 49m
Multiple Airlines
Fri 9/411:25 am
LIH
- BWI
1 stop22h 15m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$476
This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Tue 9/111:25 am
LIH
- DCA
1 stop22h 35m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
IAD
- LIH
1 stop13h 39m
Alaska Airlines
Tue 9/110:45 am
LIH
- IAD
1 stop25h 29m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:47 pm
IAD
- LIH
2 stops28h 43m
Multiple Airlines
Tue 9/110:45 am
LIH
- IAD
1 stop25h 29m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/257:29 am
DCA
- LIH
1 stop13h 26m
American Airlines
Tue 9/112:59 pm
LIH
- DCA
2 stops14h 17m
American Airlines
Deal found 7/26![American Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/257:00 am
IAD
- LIH
2 stops18h 16m
Delta
Tue 9/18:41 pm
LIH
- IAD
2 stops13h 57m
Delta
Deal found 7/26![Delta logo]()
$517
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:47 pm
IAD
- LIH
1 stop26h 52m
Multiple Airlines
Fri 9/412:55 pm
LIH
- IAD
2 stops23h 19m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$541
One-way flights from Washington, D.C. to Kaua'iSearch for one-way flight options from Washington, D.C. to Kaua'i. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Washington, D.C. to Kaua'i. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 9/217:25 am
IAD
- LIH
1 stop17h 45m
Delta
Deal found 7/24![Delta logo]()
$253
This Expedia deal was found by Cheapflights users on 7/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:57 pm
DCA
- LIH
1 stop20h 46m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 8/317:00 am
IAD
- LIH
2 stops18h 16m
Delta
Deal found 7/24![Delta logo]()
$259
This Expedia deal was found by Cheapflights users on 7/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:59 am
DCA
- LIH
2 stops16h 58m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$259
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:59 am
DCA
- LIH
2 stops16h 58m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/246:00 am
IAD
- LIH
1 stop12h 25m
American Airlines
Deal found 7/25![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 9/69:07 am
IAD
- LIH
2 stops17h 02m
American Airlines
Deal found 7/25![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
IAD
- LIH
2 stops17h 41m
Delta
Deal found 7/27![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/217:00 am
BWI
- LIH
2 stops18h 44m
United Airlines
Deal found 7/22![United Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 9/96:30 am
BWI
- LIH
1 stop12h 05m
Southwest
Deal found 7/26![Southwest logo]()
$301
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
IAD
- LIH
1 stop13h 39m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$304
Find flight deals from Washington, D.C. to Kaua'i
Keep the following information in mind while searching for Washington, D.C. to Kaua'i flight deals. Data was last updated July 27, 2026.
Round-trip from | $476 (Alaska Airlines) |
|---|---|
One-way from | $244 (Alaska Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $967 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Kaua'i that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Kaua'i that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Sun 9/27
10:59 am-11:36 am
1 stop30h 37m
Lihue
Mon 10/5
2:17 pm-8:00 pm
1 stop23h 43m
$505
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Tue 8/25
5:47 pm-4:30 pm
2 stops28h 43m
Lihue
Tue 9/1
10:45 am-6:14 pm
1 stop25h 29m
$510
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 9/2
6:05 am-5:41 pm
2 stops17h 36m
Lihue
Wed 9/9
9:54 pm-3:32 pm
1 stop11h 38m
$512
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Tue 9/8
7:15 pm-12:09 pm
2 stops22h 54m
Lihue
Tue 9/15
2:30 pm-3:40 pm
2 stops19h 10m
$537
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Mon 8/17
6:59 pm-11:51 am
2 stops22h 52m
Lihue
Tue 9/1
11:25 am-4:00 pm
1 stop22h 35m
$554
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Fri 9/25
6:35 am-3:40 pm
1 stop15h 05m
Lihue
Mon 10/5
1:05 pm-7:21 am
1 stop12h 16m
$556
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Wed 9/9
9:03 am-8:14 pm
1 stop17h 11m
Lihue
Tue 9/15
10:45 am-6:14 pm
1 stop25h 29m
$558
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Fri 9/25
10:59 am-11:36 am
1 stop30h 37m
Lihue
Tue 9/29
3:45 pm-5:59 pm
1 stop20h 14m
$595
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Sun 8/23
7:35 pm-11:36 am
1 stop22h 01m
Lihue
Sun 8/30
5:35 pm-6:14 pm
2 stops18h 39m
$602
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 9/16
6:05 am-5:39 pm
2 stops17h 34m
Lihue
Thu 9/24
9:54 pm-3:32 pm
1 stop11h 38m
$611
Showing 1-10 of 52 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Kaua'i
Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Washington, D.C. with our price prediction graph.
BWI-LIH
DCA-LIH
IAD-LIH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Kaua'i
WAS-zzFUS
BWI-LIH
DCA-LIH
IAD-LIH
What is the cheapest month to book a flight from Washington, D.C. to Kaua'i?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $633). Flying from Washington, D.C. to Kaua'i in December is currently the most expensive (average of $1,184). 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 far ahead should I book a flight from Washington, D.C. to Kaua'i?
The price you pay for your flight from Washington, D.C. to Kaua'i may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Kaua'i
Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated July 27, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Washington, D.C. to Kaua'i. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Kaua'i. 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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Complete your trip
Complete your trip to Kaua'i by adding a car rental and/or hotel reservation to your travel itinerary.
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Washington, D.C. and Kaua'i flights
Browse other Washington, D.C. and Kaua'i flight options. Last updated on July 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Kaua'i flights
Consider these flights traveling from Washington, D.C. to Kaua'i.
Top 5 airlines flying from Washington, D.C. to Kaua'i
Discover the top 5 airlines that operate flights from Washington, D.C. to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$545 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$828 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$494 | Average$888 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$583 | Average$915 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$668 | Average$846 | FlexibilityNo cancel fee | On-time63% |