Cheap flights from San Diego to Kauai Island
Cheapest current fares: $209 in September 2026, 4,301 km direct flight in ~5h 4m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Diego (SAN) to Kauai Island (LIH). Refreshed daily.
San Diego (SAN) → Kauai Island (LIH)
- September 2026 $209
Frequently asked questions
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What is the cheapest month to fly from San Diego to Kauai Island?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from San Diego (SAN) to Kauai Island (LIH), with fares starting from $209.
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What is the lowest current fare from SAN to LIH?
The lowest currently-listed fare from San Diego (SAN) to Kauai Island (LIH) is $209 on 2026-09-09.
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How long is the flight from San Diego to Kauai Island?
Direct flights from SAN to LIH cover approximately 4,301 km (2,673 miles), with an estimated flight time of 5h 4m. Operating airlines: AS.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.