$312+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIH
Mar 11 — Mar 181
1 adult, Economy
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Find cheap flights from Washington, D.C. to Kaua'i with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Kaua'i
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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 9, 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 9, 2026.
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/109:59 am
DCA
- LIH
1 stop32h 40m
Multiple Airlines
Tue 3/173:50 pm
LIH
- DCA
1 stop23h 10m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$439
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/173:50 pm
LIH
- IAD
1 stop19h 32m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/95:00 am
IAD
- LIH
2 stops17h 14m
American Airlines
Mon 3/169:30 pm
LIH
- IAD
2 stops16h 59m
American Airlines
Deal found 2/8![American Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/8![Alaska Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/6![Alaska Airlines logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/167:00 am
IAD
- LIH
1 stop20h 29m
Alaska Airlines
Thu 4/233:04 pm
LIH
- IAD
1 stop20h 37m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/298:00 am
DCA
- LIH
1 stop19h 26m
Alaska Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/299:00 am
IAD
- LIH
1 stop18h 26m
Alaska Airlines
Wed 5/610:26 pm
LIH
- IAD
1 stop13h 54m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$504
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 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 2/8![Multiple Airlines logo]()
$505
This Alaska 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 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 4/225:10 pm
LIH
- IAD
2 stops18h 31m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/287:00 am
IAD
- LIH
1 stop16h 40m
Delta
Sun 5/38:20 pm
LIH
- IAD
2 stops14h 11m
Delta
Deal found 2/8![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/157:00 am
IAD
- LIH
1 stop16h 40m
Delta
Wed 4/228:20 pm
LIH
- IAD
2 stops13h 55m
Delta
Deal found 2/7![Delta logo]()
$510
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 9, 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 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/8![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/2512:40 pm
IAD
- LIH
1 stop13h 43m
United Airlines
Fri 5/11:03 pm
LIH
- IAD
1 stop11h 59m
United Airlines
Deal found 2/8![United Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/225:10 pm
LIH
- IAD
2 stops18h 31m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/157:00 am
IAD
- LIH
1 stop16h 40m
Delta
Wed 4/228:20 pm
LIH
- IAD
2 stops13h 55m
Delta
Deal found 2/7![Delta logo]()
$510
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/106:00 am
BWI
- LIH
2 stops16h 14m
American Airlines
Tue 3/179:30 pm
LIH
- BWI
2 stops14h 43m
American Airlines
Deal found 2/6![American Airlines logo]()
$579
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/169:40 am
BWI
- LIH
2 stops17h 45m
Southwest
Tue 4/218:10 pm
LIH
- BWI
1 stop12h 25m
Southwest
Deal found 2/8![Southwest logo]()
$656
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/299:00 am
IAD
- LIH
1 stop18h 26m
Alaska Airlines
Wed 5/610:26 pm
LIH
- IAD
1 stop13h 54m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/227:55 pm
LIH
- DCA
2 stops19h 05m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/298:00 am
DCA
- LIH
1 stop19h 26m
Alaska Airlines
Wed 5/61:36 pm
LIH
- DCA
1 stop25h 24m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/92:36 pm
IAD
- LIH
1 stop13h 21m
United Airlines
Mon 3/1611:13 pm
LIH
- IAD
1 stop11h 25m
United Airlines
Deal found 2/7![United Airlines logo]()
$564
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/171:33 pm
LIH
- DCA
2 stops25h 27m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$532
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/225:00 am
BWI
- LIH
2 stops16h 39m
American Airlines
Thu 2/2610:30 pm
LIH
- BWI
2 stops14h 48m
American Airlines
Deal found 2/7![American Airlines logo]()
$588
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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
Alaska Airlines
Wed 5/610:26 pm
LIH
- BWI
1 stop13h 50m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/156:08 am
BWI
- LIH
2 stops18h 32m
Delta
Wed 4/228:20 pm
LIH
- BWI
2 stops15h 57m
Delta
Deal found 2/7![Delta logo]()
$634
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/239:59 am
DCA
- LIH
1 stop32h 40m
Multiple Airlines
Fri 2/272:56 pm
LIH
- DCA
1 stop25h 06m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/297:30 am
DCA
- LIH
2 stops17h 51m
United Airlines
Wed 5/65:10 pm
LIH
- DCA
2 stops14h 25m
United Airlines
Deal found 2/7![United Airlines logo]()
$591
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/287:10 am
IAD
- LIH
1 stop20h 16m
Alaska Airlines
Sun 5/33:04 pm
LIH
- IAD
1 stop20h 37m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/108:09 am
BWI
- LIH
2 stops19h 48m
United Airlines
Tue 3/171:25 pm
LIH
- BWI
1 stop11h 54m
United Airlines
Deal found 2/6![United Airlines logo]()
$600
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:05 am
BWI
- LIH
2 stops16h 10m
American Airlines
Wed 4/222:12 pm
LIH
- BWI
2 stops14h 59m
American Airlines
Deal found 2/9![American Airlines logo]()
$660
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/237:05 am
IAD
- LIH
2 stops15h 57m
Multiple Airlines
Fri 2/279:00 pm
LIH
- IAD
2 stops15h 27m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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
Wed 3/182:07 pm
LIH
- DCA
1 stop23h 53m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/236:30 am
BWI
- LIH
2 stops15h 34m
United Airlines
Fri 2/2711:59 pm
LIH
- BWI
1 stop12h 21m
United Airlines
Deal found 2/6![United Airlines logo]()
$630
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/219:59 am
DCA
- LIH
1 stop32h 40m
Multiple Airlines
Wed 2/254:50 pm
LIH
- DCA
1 stop23h 12m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$589
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 5/69:00 pm
LIH
- BWI
2 stops15h 16m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$590
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 9, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated February 9, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/216:20 pm
IAD
- LIH
1 stop24h 36m
Alaska Airlines
Wed 2/254:50 pm
LIH
- IAD
1 stop19h 37m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/227:00 am
DCA
- LIH
1 stop14h 39m
American Airlines
Thu 2/2610:30 pm
LIH
- DCA
1 stop12h 29m
American Airlines
Deal found 2/7![American Airlines logo]()
$574
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/239:59 am
DCA
- LIH
1 stop32h 40m
Multiple Airlines
Fri 2/272:56 pm
LIH
- DCA
1 stop25h 06m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/236:20 pm
IAD
- LIH
1 stop23h 27m
Alaska Airlines
Fri 2/272:56 pm
LIH
- IAD
1 stop21h 31m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$537
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/237:05 am
IAD
- LIH
2 stops15h 57m
Multiple Airlines
Fri 2/279:00 pm
LIH
- IAD
2 stops15h 27m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/235:00 am
DCA
- LIH
2 stops16h 39m
American Airlines
Fri 2/2710:30 pm
LIH
- DCA
2 stops15h 11m
American Airlines
Deal found 2/6![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/95:00 am
IAD
- LIH
2 stops17h 14m
American Airlines
Mon 3/169:30 pm
LIH
- IAD
2 stops16h 59m
American Airlines
Deal found 2/7![American Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/8![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/92:36 pm
IAD
- LIH
1 stop13h 21m
United Airlines
Mon 3/1611:13 pm
LIH
- IAD
1 stop11h 25m
United Airlines
Deal found 2/7![United Airlines logo]()
$564
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/109:59 am
DCA
- LIH
1 stop32h 40m
Multiple Airlines
Tue 3/173:50 pm
LIH
- DCA
1 stop23h 10m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$439
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/173:50 pm
LIH
- IAD
1 stop19h 32m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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
Wed 3/182:07 pm
LIH
- DCA
1 stop23h 53m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$557
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 9, 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 9, 2026.
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/317:00 am
IAD
- LIH
1 stop16h 41m
Delta
Deal found 2/8![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/106:15 am
IAD
- LIH
2 stops19h 38m
United Airlines
Deal found 2/8![United Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/258:00 am
DCA
- LIH
2 stops28h 17m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/315:00 am
IAD
- LIH
2 stops16h 34m
American Airlines
Deal found 2/8![American Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:30 pm
BWI
- LIH
3 stops33h 00m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$328
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/257:00 am
IAD
- LIH
1 stop20h 29m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$354
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/258:00 am
DCA
- LIH
1 stop19h 29m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/317:00 am
IAD
- LIH
2 stops16h 34m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 6/46:00 am
IAD
- LIH
2 stops15h 54m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 7/77:10 am
IAD
- LIH
1 stop18h 10m
Delta
Deal found 2/7![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/255:00 am
IAD
- LIH
2 stops17h 14m
American Airlines
Deal found 2/8![American Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 6/410:10 am
BWI
- LIH
2 stops16h 42m
American Airlines
Deal found 2/6![American Airlines logo]()
$376
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Expedia) |
One-way from | $312 (Delta) |
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 9, 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
3:50 pm-5:27 pm
2 stops19h 37m
$466
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Sat 4/25
12:40 pm-8:23 pm
1 stop13h 43m
Lihue
Fri 5/1
1:03 pm-7:02 am
1 stop11h 59m
$500
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Wed 4/29
9:00 am-9:26 pm
1 stop18h 26m
Lihue
Wed 5/6
10:26 pm-6:20 pm
1 stop13h 54m
$500
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 4/29
8:00 am-9:26 pm
1 stop19h 26m
Lihue
Wed 5/6
1:36 pm-9:00 pm
1 stop25h 24m
$504
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
5:10 pm-5:41 pm
2 stops18h 31m
$506
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Wed 4/15
7:00 am-5:40 pm
1 stop16h 40m
Lihue
Wed 4/22
8:20 pm-4:15 pm
2 stops13h 55m
$510
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 4/15
9:59 am-10:21 pm
2 stops18h 22m
Lihue
Wed 4/22
7:55 pm-9:00 pm
2 stops19h 05m
$511
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Wed 4/29
7:04 am-9:26 pm
1 stop20h 22m
Lihue
Wed 5/6
10:26 pm-6:16 pm
1 stop13h 50m
$511
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Tue 4/28
7:10 am-9:26 pm
1 stop20h 16m
Lihue
Sun 5/3
3:04 pm-5:41 pm
1 stop20h 37m
$512
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
1:33 pm-9:00 pm
2 stops25h 27m
$532
Showing 1-10 of 48 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
BWI-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
IAD-LIH
BWI-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 $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 9, 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.
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Overall
8.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
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 9, 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 9, 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% |