Washington, DC to Kauai: what the flight costs
In the last 60 days we checked this route 6 times. The typical round trip was $962 per person and the lowest $698, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | $698 |
| Typical (median) | $962 |
| Price checks, 60 days | 6 |
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Trips we picked on this route
Just found · from Washington, DCLowest in 30 daysWorth it, if
Kauai
Nov 14–21, 2026 · 7 nights
- $264 per person below the typical fare on this route
- Lowest in 30 days on this route
- Poipu Plantation Vacation Rentals, rated 8 by 156 guests
$3,515 for two · 7 nights · flights, hotel, taxes & fees
Alaska. Operated by Alaska as Hawaiian Airlines · with a stop · 30h 33m
The catch: Not nonstop: a stop on the way, 30h 33m in all.
Worth it if you want sun, sand and a pool; skip it if you want a city to walk.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | Nov 14–21, 2026 | $1,002 | AS | with a stop | 31h 2m | Kiwi.com |
| Oct 14, 2026 | Nov 14–21, 2026 | $698 | Alaska. Operated by Alaska as Hawaiian Airlines | with a stop | 30h 33m | Google Flights |
| Oct 14, 2026 | Nov 14–21, 2026 | $921 | AS | with a stop | 30h 33m | Kiwi.com |
| Oct 14, 2026 | Nov 14–21, 2026 | $1,091 | AS | with a stop | 31h 2m | Kiwi.com |
| Oct 14, 2026 | Nov 14–21, 2026 | $698 | Alaska. Operated by Alaska as Hawaiian Airlines | with a stop | 30h 33m | Google Flights |
| Oct 14, 2026 | Nov 14–21, 2026 | $1,002 | AS | with a stop | 30h 33m | Kiwi.com |
About Kauai
Kauai is the Garden Isle, where the Na Pali cliffs, Waimea Canyon and quiet beaches make it the island for nature and slow days.
Kauai from every city: when to go, where to stay, what to do
Questions about Washington, DC to Kauai
What does a round trip from Washington, DC to Kauai usually cost?
Over the last 60 days the typical price we found was $962 per person, taxes and fees included, across 6 checks; the lowest was $698.
When is the best time to fly from Washington, DC to Kauai?
Kauai is at its best in April, May, June, September, October and November.
Do I need a passport to fly from Washington, DC to Kauai?
No, a government photo ID is enough for US citizens.