$231+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIH
Mar 16 — Mar 231
1 adult, Economy
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Find cheap flights from Washington, D.C. to Kaua'i with Cheapflights
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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 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 February 14, 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 February 14, 2026.
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:30 am
DCA
- LIH
1 stop13h 44m
American Airlines
Tue 3/179:30 pm
LIH
- DCA
1 stop12h 29m
American Airlines
Deal found 2/12![American Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:20 pm
IAD
- LIH
1 stop23h 27m
Multiple Airlines
Mon 3/168:52 am
LIH
- IAD
2 stops26h 35m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:59 am
DCA
- LIH
2 stops17h 29m
Multiple Airlines
Tue 3/173:50 pm
LIH
- DCA
1 stop23h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
IAD
- LIH
1 stop20h 29m
Multiple Airlines
Wed 4/226:40 pm
LIH
- IAD
2 stops17h 01m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1011:00 am
DCA
- LIH
2 stops16h 57m
United Airlines
Tue 3/177:40 pm
LIH
- DCA
2 stops13h 52m
United Airlines
Deal found 2/11![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:15 am
BWI
- LIH
2 stops17h 27m
United Airlines
Mon 6/11:17 pm
LIH
- BWI
1 stop11h 53m
United Airlines
Deal found 2/13![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/66:30 am
DCA
- LIH
2 stops18h 10m
Delta
Sun 5/109:40 pm
LIH
- DCA
1 stop11h 45m
Delta
Deal found 2/11![Delta logo]()
$476
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1012:35 pm
IAD
- LIH
1 stop15h 22m
United Airlines
Tue 3/177:40 pm
LIH
- IAD
2 stops14h 29m
United Airlines
Deal found 2/11![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/108:02 am
BWI
- LIH
2 stops19h 55m
United Airlines
Tue 3/171:25 pm
LIH
- BWI
1 stop11h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:59 am
DCA
- LIH
2 stops18h 27m
Alaska Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$498
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:59 am
DCA
- LIH
1 stop32h 33m
Multiple Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
IAD
- LIH
1 stop20h 29m
Alaska Airlines
Wed 4/221:36 pm
LIH
- IAD
1 stop22h 05m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$500
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 February 14, 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 February 14, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:20 pm
IAD
- LIH
1 stop23h 27m
Multiple Airlines
Mon 3/168:52 am
LIH
- IAD
2 stops26h 35m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:30 am
DCA
- LIH
2 stops17h 27m
United Airlines
Tue 3/177:40 pm
LIH
- DCA
2 stops13h 52m
United Airlines
Deal found 2/12![United Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/66:30 am
DCA
- LIH
2 stops18h 10m
Delta
Sun 5/109:40 pm
LIH
- DCA
1 stop11h 45m
Delta
Deal found 2/11![Delta logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:59 am
DCA
- LIH
2 stops18h 27m
Alaska Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 8/1011:51 am
IAD
- LIH
2 stops13h 15m
American Airlines
Tue 8/189:41 pm
LIH
- IAD
2 stops13h 33m
American Airlines
Deal found 2/10![American Airlines logo]()
$579
This Expedia deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/108:59 am
DCA
- LIH
2 stops17h 29m
Multiple Airlines
Tue 3/173:50 pm
LIH
- DCA
1 stop23h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/108:02 am
BWI
- LIH
2 stops19h 55m
United Airlines
Tue 3/171:25 pm
LIH
- BWI
1 stop11h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
IAD
- LIH
1 stop20h 29m
Multiple Airlines
Wed 4/226:40 pm
LIH
- IAD
2 stops17h 01m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/94:40 pm
DCA
- LIH
1 stop31h 00m
Delta
Tue 3/178:19 pm
LIH
- DCA
1 stop13h 04m
Delta
Deal found 2/11![Delta logo]()
$502
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 am
IAD
- LIH
1 stop20h 16m
Alaska Airlines
Wed 5/610:26 pm
LIH
- IAD
1 stop25h 24m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:00 am
IAD
- LIH
1 stop16h 40m
Delta
Mon 3/1610:05 pm
LIH
- IAD
2 stops12h 47m
Delta
Deal found 2/12![Delta logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:59 am
DCA
- LIH
1 stop32h 33m
Multiple Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:36 pm
IAD
- LIH
1 stop13h 21m
United Airlines
Wed 3/181:15 pm
LIH
- IAD
1 stop12h 14m
United Airlines
Deal found 2/12![United Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/296:00 am
BWI
- LIH
2 stops18h 40m
Delta
Wed 5/68:20 pm
LIH
- BWI
2 stops15h 59m
Delta
Deal found 2/11![Delta logo]()
$532
This Travelocity deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:04 am
BWI
- LIH
1 stop20h 22m
Alaska Airlines
Wed 4/2910:26 pm
LIH
- BWI
1 stop13h 50m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$586
This Travelocity deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:59 am
DCA
- LIH
2 stops18h 22m
Multiple Airlines
Wed 4/291:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 2/266:00 am
BWI
- LIH
2 stops17h 46m
Delta
Mon 3/29:20 pm
LIH
- BWI
2 stops14h 18m
Delta
Deal found 2/11![Delta logo]()
$537
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/159:59 am
DCA
- LIH
2 stops18h 22m
Multiple Airlines
Wed 4/221:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/297:04 am
BWI
- LIH
1 stop20h 22m
Multiple Airlines
Wed 5/66:40 pm
LIH
- BWI
2 stops17h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/67:00 am
IAD
- LIH
1 stop16h 40m
Delta
Sun 5/108:31 pm
LIH
- IAD
2 stops15h 49m
Delta
Deal found 2/11![Delta logo]()
$603
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:00 am
IAD
- LIH
2 stops17h 29m
Multiple Airlines
Sat 5/912:16 pm
LIH
- IAD
2 stops23h 25m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$573
Last-minute flights from Washington, D.C. to Kaua'iDiscover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated February 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 2/266:00 am
BWI
- LIH
2 stops16h 14m
American Airlines
Mon 3/210:30 pm
LIH
- BWI
2 stops17h 46m
American Airlines
Deal found 2/11![American Airlines logo]()
$527
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:20 pm
IAD
- LIH
1 stop23h 27m
Multiple Airlines
Mon 3/168:52 am
LIH
- IAD
2 stops26h 35m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/94:40 pm
DCA
- LIH
1 stop31h 00m
Delta
Tue 3/178:19 pm
LIH
- DCA
1 stop13h 04m
Delta
Deal found 2/11![Delta logo]()
$502
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:00 am
IAD
- LIH
1 stop16h 40m
Delta
Mon 3/1610:05 pm
LIH
- IAD
2 stops12h 47m
Delta
Deal found 2/12![Delta logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/96:20 pm
IAD
- LIH
1 stop23h 27m
Alaska Airlines
Mon 3/163:50 pm
LIH
- IAD
2 stops19h 37m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:30 am
DCA
- LIH
1 stop13h 44m
American Airlines
Tue 3/179:30 pm
LIH
- DCA
1 stop12h 29m
American Airlines
Deal found 2/12![American Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:59 am
DCA
- LIH
2 stops17h 29m
Multiple Airlines
Tue 3/173:50 pm
LIH
- DCA
1 stop23h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1011:00 am
DCA
- LIH
2 stops16h 57m
United Airlines
Tue 3/177:40 pm
LIH
- DCA
2 stops13h 52m
United Airlines
Deal found 2/11![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1012:35 pm
IAD
- LIH
1 stop15h 22m
United Airlines
Tue 3/177:40 pm
LIH
- IAD
2 stops14h 29m
United Airlines
Deal found 2/11![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/108:02 am
BWI
- LIH
2 stops19h 55m
United Airlines
Tue 3/171:25 pm
LIH
- BWI
1 stop11h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$489
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:05 am
IAD
- LIH
2 stops16h 57m
Multiple Airlines
Tue 3/176:32 pm
LIH
- IAD
2 stops16h 50m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/1711:00 am
DCA
- LIH
2 stops16h 57m
United Airlines
Mon 3/231:25 pm
LIH
- DCA
2 stops14h 29m
United Airlines
Deal found 2/10![United Airlines logo]()
$515
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 February 14, 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 February 14, 2026.
This Southwest deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:35 pm
DCA
- LIH
2 stops21h 35m
Southwest
Deal found 2/14![Southwest logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:25 pm
IAD
- LIH
3 stops37h 52m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 pm
DCA
- LIH
3 stops26h 08m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 pm
DCA
- LIH
3 stops32h 30m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$248
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:46 pm
BWI
- LIH
2 stops24h 44m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
BWI
- LIH
1 stop14h 04m
United Airlines
Deal found 2/12![United Airlines logo]()
$318
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
DCA
- LIH
2 stops21h 22m
Hawaiian Airlines
Deal found 2/12![Hawaiian Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:20 pm
IAD
- LIH
1 stop23h 27m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:00 pm
DCA
- LIH
3 stops35h 28m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:30 am
DCA
- LIH
1 stop13h 44m
American Airlines
Deal found 2/12![American Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
IAD
- LIH
2 stops18h 49m
Delta
Deal found 2/12![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/297:10 am
IAD
- LIH
1 stop17h 56m
Delta
Deal found 2/11![Delta logo]()
$346
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 February 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $440 (American Airlines) |
One-way from | $231 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $673 |
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 February 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Kaua'i that are best for you.
Fly from
Washington, D.C.
Fly to
Kaua'i
Route
Depart
Return
Price
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Mon 3/9
6:20 pm-11:47 am
1 stop23h 27m
Lihue
Mon 3/16
8:52 am-5:27 pm
2 stops26h 35m
$445
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Tue 3/10
8:59 am-8:28 pm
2 stops17h 29m
Lihue
Tue 3/17
3:50 pm-9:00 pm
1 stop23h 10m
$445
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Wed 4/15
7:00 am-9:29 pm
1 stop20h 29m
Lihue
Wed 4/22
6:40 pm-5:41 pm
2 stops17h 01m
$446
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Tue 3/10
10:30 am-9:57 pm
2 stops17h 27m
Lihue
Tue 3/17
7:40 pm-3:32 pm
2 stops13h 52m
$451
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 5/6
6:30 am-6:40 pm
2 stops18h 10m
Lihue
Sun 5/10
9:40 pm-3:25 pm
1 stop11h 45m
$476
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Tue 3/10
8:02 am-9:57 pm
2 stops19h 55m
Lihue
Tue 3/17
1:25 pm-7:19 am
1 stop11h 54m
$489
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 4/29
8:59 am-9:26 pm
2 stops18h 27m
Lihue
Wed 5/6
1:36 pm-9:00 pm
1 stop25h 24m
$498
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 4/29
9:59 am-12:32 pm
1 stop32h 33m
Lihue
Wed 5/6
1:36 pm-9:00 pm
1 stop25h 24m
$499
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Mon 3/9
4:40 pm-5:40 pm
1 stop31h 00m
Lihue
Tue 3/17
8:19 pm-3:23 pm
1 stop13h 04m
$502
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Wed 4/29
7:10 am-9:26 pm
1 stop20h 16m
Lihue
Wed 5/6
10:26 pm-5:50 am
1 stop25h 24m
$504
Showing 1-10 of 46 results
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.
IAD-LIH
DCA-LIH
BWI-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
IAD-LIH
DCA-LIH
BWI-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 $247). Flying from Washington, D.C. to Kaua'i in March is currently the most expensive (average of $706). 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.
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 February 14, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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
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Washington, D.C. and Kaua'i flights
Browse other Washington, D.C. and Kaua'i flight options. Last updated on February 14, 2026.
Popular flight searches
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Washington, D.C. to Kaua'i flights
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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 February 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$545 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$678 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$499 | Average$867 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$540 | Average$750 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$628 | Average$813 | FlexibilityNo cancel fee | On-time63% |