Kauai Island to San Francisco flights

Routavio compares airline fares from several flight booking sites. Search Kauai Island to San Francisco to see the lowest price before you book.

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Fare seen

€134Seen on 13 Sep 2026

Last checked

15 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €134

Lowest observed

30 Oct 2026

One way

Cheapest observed day · Last checked: 13 Sep 2026

When to fly

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Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: United Airlines, Alaska Airlines, Delta Air Lines
Reported fastest flight: 5h 13m
Non-stop: Yes

Short answer

Routavio has seen United Airlines fares from Kauai Island to San Francisco, non-stop. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €134 on 13 Sep 2026.

About this route

Explore the fares we observed from Kauai Island to San Francisco. Prices move often, so pick your dates to see the latest options.

Route distance: 3,937 km
Reported fastest flight: 5h 13m
Airlines seen: United Airlines, Alaska Airlines, Delta Air Lines

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Lihue Airport (LIH) → Kauai Island, city gazetteer reference point (21.9811, -159.3711): ≈ 4 km.
San Francisco International Airport (SFO) → San Francisco, city gazetteer reference point (37.7749, -122.4194): ≈ 18 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.