Flights from San Francisco to Kauai Island
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From $275 · Prices update daily
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The quick answer
Flights from San Francisco to Kauai Island start around $275 round-trip. Airlines on this route include: United Airlines, Alaska Airlines (direct flights available). Cheapest month: September; peak: August (about +25%).
Price calendar — next 60 days
★ Cheapest: $275 on Tue, Sep 1 · Direct · AS
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — San Francisco to Kauai Island
Month-by-month lowest fares. Green = cheapest dates.
United States essentials
🇺🇸 Domestic flight — no passport required
Domestic flight — no passport required for US citizens. Bring REAL ID for security.
Full Kauai Island visa guide →🆘 Emergency
911
💱 Currency
US Dollar ($)
🕐 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 San Francisco 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 San Francisco 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
San Francisco to Kauai Island — frequently asked
How much is a flight from San Francisco to Kauai Island?+
Fares start around $275 round-trip, ranging up to about $424 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly San Francisco to Kauai Island?+
September typically has the lowest fares, while August is the most expensive (around +25%).
Are there direct flights from San Francisco to Kauai Island?+
Yes — direct flights are available on this route. Connecting itineraries are often cheaper.
Which airlines fly from San Francisco to Kauai Island?+
Carriers on this route include United Airlines, Alaska Airlines. Compare them side by side in the search above.
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