Cheap flights from San Francisco to Kauai Island from $427 SFO → LIH
San Francisco International Airport (SFO) → Lihue Airport (LIH)
The cheapest return found recently is $427 with United Airlines, 23 Nov – 25 Nov, found today.
- Cheapest return found recently
- $427, 23 Nov to 25 Nov
- Usual return price
- $390 to $410
- Cheapest month to fly
- December 2026, return fares from $387 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $390 to $410.
Cheapest return found recently
$427
23 Nov – 25 Nov · United Airlines
San Francisco International Airport (SFO) → Lihue Airport (LIH)
Leaves 6:44 p.m. · Return leaves 4:45 p.m. · 10 h 58 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$427
23 Nov – 25 Nov · United Airlines
San Francisco International Airport (SFO) → Lihue Airport (LIH)
Leaves 6:44 p.m. · Return leaves 4:45 p.m. · 10 h 58 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$427 23 Nov – 25 Novfound todaySee prices for these dates
$387 2 Dec – 11 Decfound 5 days agoSee prices for these dates
What have prices looked like?
Over 34 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $249 to $765.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 23 Nov to 2 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 23 Nov to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov – 25 Nov | $427 | United Airlines | San Francisco International Airport (SFO) → Lihue Airport (LIH) | out nonstop, back nonstop | found today | See prices for these dates |
| 1 Dec – 8 Dec | $393 | Alaska Airlines | San Francisco International Airport (SFO) → Lihue Airport (LIH) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 2 Dec – 11 Dec | $387 | Alaska Airlines | San Francisco International Airport (SFO) → Lihue Airport (LIH) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $387.
Airlines on the cheapest dates: Alaska Airlines, United Airlines.
Premium cabin fares from San Francisco to Kauai Island
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Nov – 25 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to Kauai Island?
Return
Fares 90 to 179 days before departure were typically 9% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (34 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $351 | $249 | +10% | 10 |
| 30–59 days | $452 | $436 | +42% | 16 |
| 60–89 days | $765 | $468 | +140% | 17 |
| 90–179 days | $319 | $319 | Cheapest seen | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Jose → Kauai Island
67 km from San Francisco
$479
$52 more than flying from San Francisco
2 Dec – 11 Dec · SJC → LIH · out 1 stop, back 1 stop
found today
Oakland → Kauai Island
13 km from San Francisco
$517
$90 more than flying from San Francisco
2 Dec – 11 Dec · OAK → LIH · out 1 stop, back 1 stop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 23 Nov – 25 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Francisco to Kauai Island?
The cheapest return found recently is $427 with United Airlines, 23 Nov to 25 Nov, found today. The cheapest return we hold, of any age, is $387 with Alaska Airlines, 2 Dec to 11 Dec, found 5 days ago. The cheapest return fare on each of 3 departure dates is usually $390 to $410.
What is the cheapest month to fly from San Francisco to Kauai Island?
December 2026 is the cheapest month for a return, from $387, 2 Dec to 11 Dec, found 5 days ago.
How far ahead should I book a flight from San Francisco to Kauai Island?
In 34 days of prices between 24 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 9% lower than 14 to 29 days before departure.
Is there a direct flight from San Francisco to Kauai Island?
Yes, the cheapest nonstop return found recently is $427 with United Airlines, 23 Nov to 25 Nov, found today.
Which airlines have the cheapest flights from San Francisco to Kauai Island?
Between 23 Nov and 2 Dec, Alaska Airlines has the cheapest return on 2 of the 3 departure dates we hold, and United Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work