Washington, DC to Kauai: what the flight costs
In the last 60 days we checked this route 7 times. The typical return was £694 per person and the lowest £526, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £526 |
| Typical (median) | £694 |
| Price checks, 60 days | 7 |
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Trips we picked on this route
Just found · from Washington, DCLowest in 30 daysWorth it, if
Kauai
14 – 21 Nov 2026 · 7 nights
- Fare $264 below the typical fare on this route, 27% under
- Poipu base on the sunnier south shore, highs 79–81°F
- Snorkel with turtles at Poipu Beach; all three hotels are in Poipu
£2,650 for two · 7 nights · flights, hotel, taxes & fees
Flights £1,052 + hotel £1,597, taxes in · a checked bag each adds about £106
Alaska. Operated by Alaska as Hawaiian Airlines · with a stop · 30h 33m
The catch: The flight out has one stop and takes 30h 33m, and resort fees plus a checked bag, about $140 for two, aren't in the total.
Worth it if you want a slow week of beaches and hikes on the south shore; skip it if a 30-hour travel day would sour the trip.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 14 Oct 2026 | 14 – 21 Nov 2026 | £678 | AS | with a stop | 30h 33m | Kiwi.com |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £755 | AS | with a stop | 31h 2m | Kiwi.com |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £526 | Alaska. Operated by Alaska as Hawaiian Airlines | with a stop | 30h 33m | Google Flights |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £694 | AS | with a stop | 30h 33m | Kiwi.com |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £822 | AS | with a stop | 31h 2m | Kiwi.com |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £526 | Alaska. Operated by Alaska as Hawaiian Airlines | with a stop | 30h 33m | Google Flights |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £755 | 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 return from Washington, DC to Kauai usually cost?
Over the last 60 days the typical price we found was £694 per person, taxes and fees included, across 7 checks; the lowest was £526.
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 passport needed for travellers from the United States: a government photo ID is enough for Kauai.
Prices converted from US dollars at the rate of 15 Oct 2026.