Route
Seattle to Kauai: what the flight costs
In the last 60 days we checked this route 3 times. The typical round trip was $568 per person and the lowest $404, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | $404 |
| Typical (median) | $568 |
| Price checks, 60 days | 3 |
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| Oct 12, 2026 | Nov 14–21, 2026 | $576 | AS | with a stop | 24h 21m | Kiwi.com |
| Oct 12, 2026 | Nov 14–21, 2026 | $404 | United | with a stop | 8h 55m | Google Flights |
| Oct 12, 2026 | Nov 14–21, 2026 | $568 | AS | nonstop | 6h 22m | 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 Seattle to Kauai
What does a round trip from Seattle to Kauai usually cost?
Over the last 60 days the typical price we found was $568 per person, taxes and fees included, across 3 checks; the lowest was $404.
When is the best time to fly from Seattle to Kauai?
Kauai is at its best in April, May, June, September, October and November.
Do I need a passport to fly from Seattle to Kauai?
No, a government photo ID is enough for US citizens.