$256+ 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
Jul 30 — Aug 61
Round-trip
1 adult, Economy
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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 June 30, 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 June 30, 2026.
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:59 am
DCA
- LIH
1 stop30h 37m
Multiple Airlines
Mon 9/1412:35 pm
LIH
- DCA
1 stop25h 25m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/76:30 am
IAD
- LIH
1 stop15h 10m
United Airlines
Mon 9/147:35 pm
LIH
- IAD
1 stop11h 55m
United Airlines
Deal found 6/27![United Airlines logo]()
$512
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:30 am
DCA
- LIH
1 stop30h 40m
Multiple Airlines
Tue 9/87:21 pm
LIH
- DCA
2 stops18h 39m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$517
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:35 pm
IAD
- LIH
1 stop22h 01m
Multiple Airlines
Mon 9/148:45 pm
LIH
- IAD
2 stops15h 29m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 9/216:05 am
DCA
- LIH
2 stops17h 35m
Delta
Wed 9/309:54 pm
LIH
- DCA
1 stop11h 38m
Delta
Deal found 6/29![Delta logo]()
$518
This American Airlines deal was found by Cheapflights users on 6/25. 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 9/27:57 am
IAD
- LIH
2 stops18h 12m
American Airlines
Wed 9/99:40 pm
LIH
- IAD
2 stops17h 03m
American Airlines
Deal found 6/25![American Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/116:30 am
IAD
- LIH
1 stop15h 10m
United Airlines
Thu 9/171:20 pm
LIH
- IAD
1 stop12h 15m
United Airlines
Deal found 6/28![United Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 8/104:19 pm
BWI
- LIH
1 stop24h 49m
Multiple Airlines
Tue 8/2512:47 pm
LIH
- BWI
1 stop11h 43m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$542
This Expedia deal was found by Cheapflights users on 6/25. 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.
Sat 8/224:43 pm
BWI
- LIH
2 stops27h 47m
Multiple Airlines
Wed 8/2611:25 am
LIH
- BWI
1 stop22h 15m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 11/1010:59 am
DCA
- LIH
2 stops24h 42m
Multiple Airlines
Sun 11/153:04 pm
LIH
- DCA
1 stop23h 56m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$547
This Expedia deal was found by Cheapflights users on 6/25. 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.
Sun 11/16:40 pm
IAD
- LIH
1 stop24h 07m
Multiple Airlines
Sat 11/72:24 pm
LIH
- IAD
2 stops22h 16m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 10/216:00 am
DCA
- LIH
2 stops19h 22m
Delta
Sun 10/259:45 pm
LIH
- DCA
1 stop11h 49m
Delta
Deal found 6/27![Delta logo]()
$548
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 June 30, 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 June 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/76:30 am
IAD
- LIH
1 stop15h 10m
United Airlines
Mon 9/147:35 pm
LIH
- IAD
1 stop11h 55m
United Airlines
Deal found 6/27![United Airlines logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 8/206:59 pm
DCA
- LIH
2 stops24h 59m
Multiple Airlines
Wed 9/28:45 pm
LIH
- DCA
2 stops18h 15m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 9/257:00 am
IAD
- LIH
2 stops18h 10m
Delta
Sun 10/48:35 pm
LIH
- IAD
2 stops15h 30m
Delta
Deal found 6/27![Delta logo]()
$583
This Southwest deal was found by Cheapflights users on 6/26. 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.
Thu 8/206:30 am
BWI
- LIH
2 stops15h 40m
Southwest
Wed 9/28:25 pm
LIH
- BWI
2 stops15h 50m
Southwest
Deal found 6/26![Southwest logo]()
$652
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/187:50 am
BWI
- LIH
1 stop12h 50m
Alaska Airlines
Wed 8/1912:47 pm
LIH
- BWI
1 stop11h 43m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 6/25. 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 9/256:05 am
DCA
- LIH
2 stops17h 35m
Delta
Sat 10/39:54 pm
LIH
- DCA
1 stop11h 38m
Delta
Deal found 6/25![Delta logo]()
$598
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/296:59 pm
DCA
- LIH
1 stop20h 43m
Multiple Airlines
Thu 10/112:35 pm
LIH
- DCA
1 stop25h 25m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 8/206:30 am
IAD
- LIH
1 stop15h 10m
United Airlines
Wed 9/21:00 pm
LIH
- IAD
1 stop11h 53m
United Airlines
Deal found 6/26![United Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 9/256:05 am
DCA
- LIH
2 stops17h 35m
Delta
Sun 10/48:35 pm
LIH
- DCA
2 stops14h 53m
Delta
Deal found 6/27![Delta logo]()
$609
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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
Sun 8/308:25 pm
LIH
- BWI
1 stop11h 55m
Southwest
Deal found 6/29![Southwest logo]()
$704
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 8/107:53 pm
IAD
- LIH
2 stops26h 37m
Multiple Airlines
Tue 8/2512:55 pm
LIH
- IAD
2 stops23h 19m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/296:00 am
DCA
- LIH
2 stops15h 40m
United Airlines
Thu 10/112:50 pm
LIH
- DCA
2 stops17h 18m
United Airlines
Deal found 6/28![United Airlines logo]()
$673
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 10/16:05 am
DCA
- LIH
2 stops17h 35m
Delta
Tue 10/139:45 pm
LIH
- DCA
1 stop11h 49m
Delta
Deal found 6/25![Delta logo]()
$614
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/184:19 pm
BWI
- LIH
1 stop25h 01m
Multiple Airlines
Mon 8/249:35 pm
LIH
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$670
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 8/2010:25 am
BWI
- LIH
2 stops15h 19m
United Airlines
Mon 8/241:00 pm
LIH
- BWI
2 stops15h 09m
United Airlines
Deal found 6/25![United Airlines logo]()
$749
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/46:05 am
DCA
- LIH
2 stops17h 36m
Delta
Tue 9/89:54 pm
LIH
- DCA
2 stops17h 47m
Delta
Deal found 6/28![Delta logo]()
$687
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 9/38:31 am
IAD
- LIH
2 stops17h 13m
United Airlines
Thu 9/107:35 pm
LIH
- IAD
1 stop11h 54m
United Airlines
Deal found 6/26![United Airlines logo]()
$751
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/187:50 am
BWI
- LIH
2 stops16h 59m
Multiple Airlines
Wed 8/1912:47 pm
LIH
- BWI
1 stop11h 43m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 6/27. 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.
Thu 7/96:20 am
BWI
- LIH
2 stops17h 21m
Delta
Wed 7/159:55 pm
LIH
- BWI
2 stops17h 31m
Delta
Deal found 6/27![Delta logo]()
$697
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 9/2510:13 pm
IAD
- LIH
1 stop19h 37m
United Airlines
Sun 10/41:05 pm
LIH
- IAD
1 stop11h 24m
United Airlines
Deal found 6/27![United Airlines logo]()
$760
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 8/36:03 am
IAD
- LIH
1 stop21h 22m
Multiple Airlines
Mon 8/102:30 pm
LIH
- IAD
2 stops22h 15m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 6/26. 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.
Mon 8/36:00 am
IAD
- LIH
2 stops19h 16m
Delta
Mon 8/109:55 pm
LIH
- IAD
2 stops19h 26m
Delta
Deal found 6/26![Delta logo]()
$713
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 8/158:30 am
BWI
- LIH
2 stops17h 44m
United Airlines
Wed 8/191:15 pm
LIH
- BWI
2 stops16h 30m
United Airlines
Deal found 6/25![United Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/67:00 am
IAD
- LIH
2 stops18h 16m
Delta
Wed 8/128:41 pm
LIH
- IAD
2 stops13h 57m
Delta
Deal found 6/29![Delta logo]()
$757
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 7/101:10 pm
IAD
- LIH
1 stop13h 04m
United Airlines
Tue 7/1410:00 pm
LIH
- IAD
1 stop12h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$798
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/36:00 am
IAD
- LIH
2 stops17h 39m
Delta
Tue 7/148:31 pm
LIH
- IAD
2 stops15h 33m
Delta
Deal found 6/29![Delta logo]()
$809
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/106:15 am
BWI
- LIH
1 stop13h 01m
United Airlines
Tue 7/2110:44 pm
LIH
- BWI
1 stop13h 13m
United Airlines
Deal found 6/29![United Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/68:30 am
BWI
- LIH
1 stop13h 07m
United Airlines
Thu 8/1310:48 pm
LIH
- BWI
1 stop12h 52m
United Airlines
Deal found 6/27![United Airlines logo]()
$831
Last-minute flights from Washington, D.C. to Kaua'iDiscover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated June 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/37:05 am
BWI
- LIH
2 stops16h 34m
Delta
Mon 7/68:35 pm
LIH
- BWI
2 stops16h 06m
Delta
Deal found 6/28![Delta logo]()
$697
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/66:38 am
BWI
- LIH
1 stop12h 38m
United Airlines
Mon 7/271:01 pm
LIH
- BWI
2 stops14h 26m
United Airlines
Deal found 6/30![United Airlines logo]()
$692
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/66:33 am
IAD
- LIH
2 stops20h 15m
American Airlines
Mon 7/2710:25 pm
LIH
- IAD
2 stops14h 12m
American Airlines
Deal found 6/30![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/67:30 am
BWI
- LIH
2 stops19h 18m
American Airlines
Mon 7/2710:25 pm
LIH
- BWI
2 stops14h 59m
American Airlines
Deal found 6/30![American Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 7/96:38 am
BWI
- LIH
1 stop12h 38m
United Airlines
Thu 7/167:35 pm
LIH
- BWI
1 stop13h 42m
United Airlines
Deal found 6/26![United Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 6/27. 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.
Thu 7/96:20 am
BWI
- LIH
2 stops17h 21m
Delta
Thu 7/169:55 pm
LIH
- BWI
2 stops19h 18m
Delta
Deal found 6/27![Delta logo]()
$747
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/1010:06 am
BWI
- LIH
2 stops16h 42m
American Airlines
Tue 7/2110:25 pm
LIH
- BWI
2 stops14h 59m
American Airlines
Deal found 6/29![American Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/136:30 am
IAD
- LIH
1 stop12h 46m
United Airlines
Mon 7/2710:00 pm
LIH
- IAD
1 stop12h 26m
United Airlines
Deal found 6/30![United Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/231:10 pm
IAD
- LIH
1 stop13h 04m
United Airlines
Thu 7/301:17 pm
LIH
- IAD
1 stop11h 41m
United Airlines
Deal found 6/29![United Airlines logo]()
$714
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/2810:06 am
BWI
- LIH
2 stops16h 42m
American Airlines
Tue 8/410:25 pm
LIH
- BWI
2 stops15h 25m
American Airlines
Deal found 6/28![American Airlines logo]()
$677
This Faresmojo deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:20 am
BWI
- LIH
1 stop12h 25m
JetBlue
Tue 8/48:25 pm
LIH
- BWI
1 stop14h 05m
JetBlue
Deal found 6/28![JetBlue logo]()
$738
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 7/307:30 am
BWI
- LIH
2 stops19h 18m
American Airlines
Thu 8/69:00 pm
LIH
- BWI
2 stops17h 49m
American Airlines
Deal found 6/26![American Airlines logo]()
$636
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 June 30, 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 June 30, 2026.
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 6/29![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 6/26. 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.
Thu 10/297:00 am
IAD
- LIH
2 stops18h 22m
Delta
Deal found 6/26![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 9/214:43 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/308:15 am
IAD
- LIH
1 stop13h 25m
United Airlines
Deal found 6/28![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 9/216:15 am
BWI
- LIH
2 stops17h 25m
Delta
Deal found 6/29![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/37:57 am
IAD
- LIH
2 stops18h 12m
American Airlines
Deal found 6/28![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 8/311:59 am
IAD
- LIH
2 stops14h 49m
American Airlines
Deal found 6/25![American Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 9/217:00 am
IAD
- LIH
2 stops29h 40m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/31:10 pm
IAD
- LIH
1 stop13h 04m
United Airlines
Deal found 6/25![United Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 9/217:15 pm
BWI
- LIH
1 stop25h 27m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/105:40 am
BWI
- LIH
2 stops18h 01m
Delta
Deal found 6/29![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/76:00 am
IAD
- LIH
2 stops17h 41m
Delta
Deal found 6/29![Delta logo]()
$377
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 June 30, 2026.
Round-trip from | $511 (Expedia) |
|---|---|
One-way from | $256 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $897 |
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 June 30, 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
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Mon 9/7
6:30 am-3:40 pm
1 stop15h 10m
Lihue
Mon 9/14
7:35 pm-1:30 pm
1 stop11h 55m
$512
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Thu 8/20
6:59 pm-1:58 pm
2 stops24h 59m
Lihue
Wed 9/2
8:45 pm-9:00 pm
2 stops18h 15m
$553
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Fri 9/25
7:00 am-7:10 pm
2 stops18h 10m
Lihue
Sun 10/4
8:35 pm-6:05 pm
2 stops15h 30m
$583
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Fri 9/25
6:05 am-5:40 pm
2 stops17h 35m
Lihue
Sat 10/3
9:54 pm-3:32 pm
1 stop11h 38m
$598
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Fri 9/25
6:05 am-5:40 pm
2 stops17h 35m
Lihue
Sun 10/4
8:35 pm-5:28 pm
2 stops14h 53m
$609
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Thu 10/1
6:05 am-5:40 pm
2 stops17h 35m
Lihue
Tue 10/13
9:45 pm-3:34 pm
1 stop11h 49m
$614
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Tue 9/29
6:59 pm-9:42 am
1 stop20h 43m
Lihue
Thu 10/1
12:35 pm-8:00 pm
1 stop25h 25m
$635
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Thu 8/20
6:30 am-4:10 pm
2 stops15h 40m
Lihue
Wed 9/2
8:25 pm-6:15 pm
2 stops15h 50m
$652
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Mon 8/10
7:53 pm-4:30 pm
2 stops26h 37m
Lihue
Tue 8/25
12:55 pm-6:14 pm
2 stops23h 19m
$657
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Thu 8/20
6:30 am-3:40 pm
1 stop15h 10m
Lihue
Wed 9/2
1:00 pm-6:53 am
1 stop11h 53m
$663
Showing 1-10 of 46 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
IAD-LIH
DCA-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
IAD-LIH
DCA-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 $228). Flying from Washington, D.C. to Kaua'i in March is currently the most expensive (average of $613). 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 88 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 June 30, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta 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
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
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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Alternative routes for Washington, D.C. to Kaua'i
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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.
Search flights from Washington, D.C. to Kaua'i by cabin class
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Washington, D.C. and Kaua'i flights
Browse other Washington, D.C. and Kaua'i flight options. Last updated on June 30, 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 June 30, 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$876 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$583 | Average$915 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$731 | Average$858 | FlexibilityNo cancel fee | On-time63% |