Flights from Seattle to Kauai Island
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From $334 · Prices update daily
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The quick answer
Flights from Seattle to Kauai Island start around $334 round-trip. Main carrier: Alaska Airlines (direct flights available). Cheapest month to fly: October.
Price calendar — next 60 days
★ Cheapest: $334 on Thu, Oct 1 · Direct · AS
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Seattle to Kauai Island
Month-by-month lowest fares. Green = cheapest dates.
United States essentials
🇺🇸 Domestic flight — no passport required
Domestic flight — no passport required for US citizens. Bring REAL ID for security.
Full Kauai Island visa guide →🆘 Emergency
911
💱 Currency
US Dollar ($)
🕐 Time zone
UTC−5 to −10
🗣️ Language
English
🔌 Plugs
Type A/B · 120V
🚗 Driving
Right side
💡 Tipping
Expected — 15–20% at restaurants
📞 Dial code
+1
Entry rules can change — always confirm with official sources before booking.
Stay connected in Kauai Island
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Seattle to Kauai Island trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Kauai Island
Pre-book your ride into Kauai Island. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Seattle to Kauai Island flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Seattle to Kauai Island — frequently asked
How much is a flight from Seattle to Kauai Island?+
Fares start around $334 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Seattle to Kauai Island?+
October typically has the lowest fares.
Are there direct flights from Seattle to Kauai Island?+
Yes — direct flights are available on this route. Connecting itineraries are often cheaper.
Which airlines fly from Seattle to Kauai Island?+
Carriers on this route include Alaska Airlines. Compare them side by side in the search above.
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