Direct (nonstop) flights from Kauai Island to San Francisco

2 airlines fly nonstop from Lihue (LIH) to San Francisco International (SFO). It's 2,446 miles (3,937 km), about 5h 15m in the air. Operated by Alaska Airlines, United Airlines.

LIH
Lihue
🇺🇸 Kauai Island, USA
SFO
San Francisco International
🇺🇸 San Francisco, USA
Flight Time
5h 15m
Distance
2,446 mi
3,937 km
CO₂/pax
413 kg
−36 kg vs. layover
Airlines
2
Alaska Airlines +1
Time Diff
+3h
Operated by Alaska Airlines Alaska Airlines United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
LIH → SFO
Flight Time
5h 15m
Distance
2,446 mi
United Airlines UA United Airlines
Route
LIH → SFO
Flight Time
5h 15m
Distance
2,446 mi

Alternative Routes

Other ways to fly from Kauai Island to San Francisco with one stop · direct emits 413 kg CO₂ per passenger

LIH HNL (Honolulu) SFO
Leg 1: 38m (102 mi) Leg 2: 5h 9m (2,397 mi) Total: ~5h 47m 🍃 449 kg CO₂ (+9% vs. direct)
Leg 1
LIH → HNL
38m · 102 mi
View LIH to HNL flights →
Leg 2
HNL → SFO
5h 9m · 2,397 mi
View HNL to SFO flights →
LIH OGG (Kahului) SFO
Leg 1: 49m (201 mi) Leg 2: 5h 2m (2,338 mi) Total: ~5h 51m 🍃 457 kg CO₂ (+11% vs. direct)
Leg 1
LIH → OGG
49m · 201 mi
View LIH to OGG flights →
Leg 2
OGG → SFO
5h 2m · 2,338 mi
View OGG to SFO flights →
LIH KOA (Kailua-Kona) SFO
Leg 1: 52m (263 mi) Leg 2: 5h 8m (2,366 mi) Total: ~6h 🍃 474 kg CO₂ (+15% vs. direct)
Leg 1
LIH → KOA
52m · 263 mi
View LIH to KOA flights →
Leg 2
KOA → SFO
5h 8m · 2,366 mi
View KOA to SFO flights →
LIH SMF (Sacramento) SFO
Leg 1: 5h 15m (2,508 mi) Leg 2: 1h 7m (86 mi) Total: ~6h 22m 🍃 425 kg CO₂ (+3% vs. direct)
Leg 1
LIH → SMF
5h 15m · 2,508 mi
View LIH to SMF flights →
Leg 2
SMF → SFO
1h 7m · 86 mi
View SMF to SFO flights →
LIH LAX (Los Angeles) SFO
Leg 1: 5h 37m (2,615 mi) Leg 2: 1h 29m (337 mi) Total: ~7h 6m 🍃 487 kg CO₂ (+18% vs. direct)
Leg 1
LIH → LAX
5h 37m · 2,615 mi
View LIH to LAX flights →
Leg 2
LAX → SFO
1h 29m · 337 mi
View LAX to SFO flights →

Frequently Asked Questions

How long is the direct flight from Kauai Island to San Francisco?

A nonstop flight from Kauai Island (LIH) to San Francisco (SFO) takes approximately 5 hours and 15 minutes. The distance is 2,446 miles (3,937 km).

Which airlines fly nonstop from Kauai Island to San Francisco?

2 airlines: Alaska Airlines, United Airlines.

Is there a nonstop flight from Kauai Island to San Francisco?

Yes. 2 airlines: Alaska Airlines, United Airlines.

How far is Kauai Island from San Francisco?

The flight distance from Kauai Island to San Francisco is 2,446 miles (3,937 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Kauai Island to San Francisco?

At 5h 15m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Kauai Island to San Francisco?

Roughly 413 kg CO2 per passenger one-way. That's about the same as driving 2,065 km.

Is the return flight from San Francisco to Kauai Island also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Kauai Island to San Francisco?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Lihue for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.