Your next trip, last seen at €180
When to fly
Explore datesFind the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
- Lowest observed
- €180, departing 31 Dec 2026 (Last checked: 8 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- United Airlines, Alaska Airlines
- Reported fastest flight
- 5h 43m
- Non-stop
- Yes
About this route
Explore the fares we observed from San Francisco to Kauai Island. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,937 km
- Reported fastest flight
- 5h 43m
- Airlines seen
- United Airlines, Alaska Airlines
Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.
A clearer picture of your fare
Airport to city: straight-line distance
- San Francisco International Airport (SFO) → San Francisco, city gazetteer reference point (37.7749, -122.4194): ≈ 18 km.
- Lihue Airport (LIH) → Kauai Island, city gazetteer reference point (21.9811, -159.3711): ≈ 4 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.
Frequently asked
How much is a flight from San Francisco to Kauai Island?
The lowest fare we have observed is €180, found on 8 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from San Francisco to Kauai Island?
In our observations December 2026 is the cheapest month so far, at €180.
Are there direct flights from San Francisco to Kauai Island?
Yes. Published schedules report non-stop flights on this route with United Airlines.
Which airlines fly from San Francisco to Kauai Island?
These are the carriers we have seen on the route: United Airlines, Alaska Airlines.
How long does the flight from San Francisco to Kauai Island take?
The average journey time across the 91 fares we observed is 6h 17m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed San Francisco to Kauai Island fares were non-stop?
88 of the 93 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 14 Oct 2026