$222+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIH
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
BWI
- LIH
2 stops17h 12m
Delta
Tue 9/159:26 pm
LIH
- BWI
2 stops17h 25m
Delta
Deal found 3/30![Delta logo]()
$489
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:59 am
DCA
- LIH
1 stop35h 25m
Alaska Airlines
Thu 5/73:04 pm
LIH
- DCA
1 stop23h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$503
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:59 am
DCA
- LIH
2 stops17h 30m
Multiple Airlines
Thu 4/303:04 pm
LIH
- DCA
1 stop23h 56m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
IAD
- LIH
1 stop16h 40m
Delta
Wed 5/68:20 pm
LIH
- IAD
2 stops16h 33m
Delta
Deal found 3/30![Delta logo]()
$510
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/275:00 am
DCA
- LIH
2 stops16h 15m
American Airlines
Thu 4/302:12 pm
LIH
- DCA
2 stops14h 51m
American Airlines
Deal found 3/30![American Airlines logo]()
$515
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:34 pm
BWI
- LIH
1 stop24h 37m
Multiple Airlines
Tue 9/157:28 pm
LIH
- BWI
2 stops14h 06m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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
DCA
- LIH
2 stops18h 40m
Delta
Wed 5/69:25 pm
LIH
- DCA
2 stops18h 35m
Delta
Deal found 3/31![Delta logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 10/196:11 pm
BWI
- LIH
2 stops24h 53m
Multiple Airlines
Mon 11/28:38 pm
LIH
- BWI
2 stops15h 33m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$539
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:59 am
DCA
- LIH
2 stops16h 22m
Multiple Airlines
Fri 5/11:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 4/266:15 am
IAD
- LIH
2 stops15h 32m
United Airlines
Mon 5/41:13 pm
LIH
- IAD
1 stop11h 49m
United Airlines
Deal found 3/28![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 3/28. 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.
Sun 4/267:20 am
IAD
- LIH
2 stops17h 20m
Delta
Mon 5/49:25 pm
LIH
- IAD
2 stops17h 27m
Delta
Deal found 3/28![Delta logo]()
$545
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:59 am
DCA
- LIH
2 stops16h 22m
Multiple Airlines
Thu 5/75:10 pm
LIH
- DCA
2 stops20h 50m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$545
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/28. 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.
Sun 4/267:20 am
IAD
- LIH
2 stops17h 20m
Delta
Mon 5/49:25 pm
LIH
- IAD
2 stops17h 27m
Delta
Deal found 3/28![Delta logo]()
$545
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/78:00 am
BWI
- LIH
1 stop13h 47m
United Airlines
Tue 4/217:35 pm
LIH
- BWI
2 stops15h 58m
United Airlines
Deal found 3/30![United Airlines logo]()
$571
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 4/159:59 am
DCA
- LIH
1 stop31h 01m
Multiple Airlines
Wed 4/221:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$651
This Southwest deal was found by Cheapflights users on 3/29. 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.
Mon 4/139:40 am
BWI
- LIH
2 stops17h 45m
Southwest
Fri 4/178:10 pm
LIH
- BWI
1 stop14h 00m
Southwest
Deal found 3/29![Southwest logo]()
$683
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 3/27![Alaska Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 4/268:25 am
IAD
- LIH
1 stop13h 22m
United Airlines
Mon 5/41:13 pm
LIH
- IAD
1 stop12h 22m
United Airlines
Deal found 3/28![United Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:08 am
BWI
- LIH
2 stops17h 32m
Delta
Mon 4/278:20 pm
LIH
- BWI
2 stops15h 57m
Delta
Deal found 3/30![Delta logo]()
$578
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/166:15 am
IAD
- LIH
2 stops15h 32m
United Airlines
Mon 4/2712:55 pm
LIH
- IAD
1 stop11h 42m
United Airlines
Deal found 3/30![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 am
DCA
- LIH
2 stops17h 02m
Delta
Tue 9/159:45 pm
LIH
- DCA
2 stops19h 06m
Delta
Deal found 3/30![Delta logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:59 am
DCA
- LIH
2 stops29h 12m
Multiple Airlines
Wed 4/291:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$692
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:40 am
BWI
- LIH
2 stops15h 30m
Southwest
Sat 4/188:10 pm
LIH
- BWI
1 stop11h 55m
Southwest
Deal found 3/30![Southwest logo]()
$696
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 4/68:00 am
BWI
- LIH
1 stop13h 47m
United Airlines
Wed 4/1512:55 pm
LIH
- BWI
2 stops14h 44m
United Airlines
Deal found 3/29![United Airlines logo]()
$603
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:04 am
BWI
- LIH
1 stop20h 22m
Alaska Airlines
Thu 4/3010:26 pm
LIH
- BWI
1 stop13h 50m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:18 am
IAD
- LIH
2 stops17h 32m
Delta
Tue 4/219:25 pm
LIH
- IAD
2 stops14h 32m
Delta
Deal found 3/30![Delta logo]()
$640
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/78:22 am
BWI
- LIH
1 stop13h 25m
United Airlines
Mon 5/117:35 pm
LIH
- BWI
1 stop13h 31m
United Airlines
Deal found 3/27![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 3/27. 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 5/74:50 pm
DCA
- LIH
1 stop30h 50m
Delta
Sun 5/109:55 pm
LIH
- DCA
2 stops17h 50m
Delta
Deal found 3/27![Delta logo]()
$669
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/78:25 am
IAD
- LIH
1 stop13h 22m
United Airlines
Mon 5/117:35 pm
LIH
- IAD
2 stops14h 23m
United Airlines
Deal found 3/27![United Airlines logo]()
$653
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:20 am
IAD
- LIH
2 stops16h 20m
Delta
Thu 4/309:25 pm
LIH
- IAD
2 stops17h 40m
Delta
Deal found 3/31![Delta logo]()
$682
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 9/266:10 am
DCA
- LIH
2 stops17h 02m
Delta
Sun 10/49:45 pm
LIH
- DCA
1 stop11h 55m
Delta
Deal found 3/27![Delta logo]()
$708
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:05 pm
DCA
- LIH
2 stops22h 33m
United Airlines
Wed 4/297:35 pm
LIH
- DCA
2 stops14h 03m
United Airlines
Deal found 3/27![United Airlines logo]()
$722
This Delta deal was found by Cheapflights users on 3/29. 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.
Wed 4/157:15 am
BWI
- LIH
2 stops17h 25m
Delta
Wed 4/228:20 pm
LIH
- BWI
2 stops15h 57m
Delta
Deal found 3/29![Delta logo]()
$731
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/1510:10 pm
IAD
- LIH
1 stop19h 13m
United Airlines
Wed 4/2212:55 pm
LIH
- IAD
1 stop11h 42m
United Airlines
Deal found 4/1![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 3/28. 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.
Mon 6/297:00 am
IAD
- LIH
1 stop18h 01m
Delta
Mon 7/139:55 pm
LIH
- IAD
1 stop20h 04m
Delta
Deal found 3/28![Delta logo]()
$741
This Delta deal was found by Cheapflights users on 3/28. 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.
Wed 6/106:19 am
BWI
- LIH
2 stops18h 42m
Delta
Thu 6/189:55 pm
LIH
- BWI
2 stops17h 33m
Delta
Deal found 3/28![Delta logo]()
$755
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/231:10 pm
IAD
- LIH
1 stop13h 04m
United Airlines
Mon 6/11:01 pm
LIH
- IAD
1 stop12h 32m
United Airlines
Deal found 3/30![United Airlines logo]()
$867
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/156:00 am
IAD
- LIH
2 stops17h 40m
Delta
Wed 4/228:20 pm
LIH
- IAD
2 stops13h 55m
Delta
Deal found 4/1![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 3/28. 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.
Mon 6/297:00 am
IAD
- LIH
1 stop18h 01m
Delta
Thu 7/169:55 pm
LIH
- IAD
1 stop20h 04m
Delta
Deal found 3/28![Delta logo]()
$769
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
IAD
- LIH
2 stops19h 06m
Delta
Mon 6/19:55 pm
LIH
- IAD
2 stops19h 37m
Delta
Deal found 3/30![Delta logo]()
$845
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:17 am
BWI
- LIH
2 stops18h 49m
Delta
Mon 5/258:40 pm
LIH
- BWI
2 stops15h 24m
Delta
Deal found 3/30![Delta logo]()
$855
Last-minute flights from Washington, D.C. to Kaua'iDiscover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated April 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/78:00 am
BWI
- LIH
1 stop13h 47m
United Airlines
Tue 4/217:35 pm
LIH
- BWI
1 stop13h 36m
United Airlines
Deal found 3/30![United Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/165:05 am
BWI
- LIH
2 stops16h 10m
American Airlines
Mon 4/279:30 pm
LIH
- BWI
2 stops14h 30m
American Airlines
Deal found 3/31![American Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 4/266:15 am
IAD
- LIH
2 stops15h 32m
United Airlines
Mon 5/41:13 pm
LIH
- IAD
1 stop11h 49m
United Airlines
Deal found 3/28![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 3/28. 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.
Sun 4/267:20 am
IAD
- LIH
2 stops17h 20m
Delta
Mon 5/49:25 pm
LIH
- IAD
2 stops17h 27m
Delta
Deal found 3/28![Delta logo]()
$545
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:59 am
DCA
- LIH
2 stops17h 30m
Multiple Airlines
Thu 4/303:04 pm
LIH
- DCA
1 stop23h 56m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/275:00 am
DCA
- LIH
2 stops16h 15m
American Airlines
Thu 4/302:12 pm
LIH
- DCA
2 stops14h 51m
American Airlines
Deal found 3/30![American Airlines logo]()
$515
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:59 am
DCA
- LIH
2 stops16h 22m
Multiple Airlines
Fri 5/11:36 pm
LIH
- DCA
1 stop25h 24m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/275:00 am
DCA
- LIH
2 stops16h 15m
American Airlines
Fri 5/12:12 pm
LIH
- DCA
2 stops14h 51m
American Airlines
Deal found 3/31![American Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
IAD
- LIH
1 stop16h 40m
Delta
Wed 5/68:20 pm
LIH
- IAD
2 stops16h 33m
Delta
Deal found 3/30![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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
DCA
- LIH
2 stops18h 40m
Delta
Wed 5/69:25 pm
LIH
- DCA
2 stops18h 35m
Delta
Deal found 3/31![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/296:03 am
BWI
- LIH
2 stops18h 37m
Delta
Wed 5/68:20 pm
LIH
- BWI
2 stops15h 44m
Delta
Deal found 3/31![Delta logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 3/27![Multiple Airlines logo]()
$565
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:17 am
BWI
- LIH
2 stops18h 49m
Delta
Deal found 3/31![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 3/28. 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.
Tue 4/287:00 am
IAD
- LIH
1 stop16h 40m
Delta
Deal found 3/28![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/286:59 pm
DCA
- LIH
1 stop20h 45m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/912:40 pm
IAD
- LIH
1 stop13h 43m
United Airlines
Deal found 3/31![United Airlines logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:59 am
DCA
- LIH
2 stops17h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:30 am
IAD
- LIH
2 stops17h 36m
Delta
Deal found 3/31![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/98:30 am
DCA
- LIH
2 stops17h 53m
United Airlines
Deal found 3/31![United Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 3/27. 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 5/66:08 am
BWI
- LIH
2 stops18h 32m
Delta
Deal found 3/27![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
IAD
- LIH
2 stops18h 40m
Delta
Deal found 3/30![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/211:05 am
DCA
- LIH
2 stops15h 18m
United Airlines
Deal found 3/30![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Thu 8/207:29 am
DCA
- LIH
1 stop12h 27m
American Airlines
Deal found 3/29![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/76:00 am
BWI
- LIH
2 stops15h 47m
United Airlines
Deal found 3/31![United Airlines logo]()
$299
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 April 1, 2026.
Round-trip from | $489 (Delta) |
|---|---|
One-way from | $222 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $742 |
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 April 1, 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
Sun 4/26
7:20 am-6:40 pm
2 stops17h 20m
Lihue
Mon 5/4
9:25 pm-8:52 pm
2 stops17h 27m
$545
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Tue 4/7
8:00 am-3:47 pm
1 stop13h 47m
Lihue
Tue 4/21
7:35 pm-5:33 pm
2 stops15h 58m
$571
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Sun 4/26
8:25 am-3:47 pm
1 stop13h 22m
Lihue
Mon 5/4
1:13 pm-7:35 am
1 stop12h 22m
$576
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Sun 4/26
6:08 am-5:40 pm
2 stops17h 32m
Lihue
Mon 4/27
8:20 pm-6:17 pm
2 stops15h 57m
$578
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Thu 4/16
6:15 am-3:47 pm
2 stops15h 32m
Lihue
Mon 4/27
12:55 pm-6:37 am
1 stop11h 42m
$599
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 9/9
6:10 am-5:12 pm
2 stops17h 02m
Lihue
Tue 9/15
9:45 pm-10:51 pm
2 stops19h 06m
$599
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Mon 4/6
8:00 am-3:47 pm
1 stop13h 47m
Lihue
Wed 4/15
12:55 pm-9:39 am
2 stops14h 44m
$603
BaltimoreLihue
BWI - LIH
BWILIH
Baltimore/Washington
Thu 5/7
8:22 am-3:47 pm
1 stop13h 25m
Lihue
Mon 5/11
7:35 pm-3:06 pm
1 stop13h 31m
$606
Washington, D.C.Lihue
IAD - LIH
IADLIH
Washington, D.C. Dulles Intl
Tue 4/7
7:18 am-6:50 pm
2 stops17h 32m
Lihue
Tue 4/21
9:25 pm-5:57 pm
2 stops14h 32m
$640
Washington, D.C.Lihue
DCA - LIH
DCALIH
Washington, D.C. Reagan-National
Wed 4/15
9:59 am-11:00 am
1 stop31h 01m
Lihue
Wed 4/22
1:36 pm-9:00 pm
1 stop25h 24m
$651
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Kaua'i
Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Washington, D.C. with our price prediction graph.
BWI-LIH
DCA-LIH
IAD-LIH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Kaua'i
WAS-zzFUS
BWI-LIH
DCA-LIH
IAD-LIH
What is the cheapest month to book a flight from Washington, D.C. to Kaua'i?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $247). Flying from Washington, D.C. to Kaua'i in March is currently the most expensive (average of $676). 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 April 1, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, 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
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Washington, D.C. to Kaua'i
See prices for flight routes from nearby airports that may be better suited for you.
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
Find flights from Washington, D.C. to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Kaua'i flights
Browse other Washington, D.C. and Kaua'i flight options. Last updated on April 1, 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 April 1, 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$887 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$540 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$628 | Average$933 | FlexibilityNo cancel fee | On-time63% |