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Kailua-Kona (KOA) to San Diego (SAN)

2,553mi
4,108 km2,218 nm

Flight time

≈ 5h 54m

Bearing

61° NE

Kailua-Kona (KOA) to San Diego (SAN) is 2,553 miles (4,108 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: KOA → SANKOASAN

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What actually flies KOASAN

US DOT T-100 · filed data

In April 2026, Alaska Airlines was the only carrier flying nonstop KOA–SAN; the Boeing 737 MAX 9 was the most common aircraft at 63% of departures; flights ran 85% full.

Departures

59

April 2026

Seats

10,451

both directions

Passengers

8,880

both directions

Load factor

85.0%

passengers ÷ seats

Who flies KOA–SAN?

Alaska Airlines was the only carrier to fly nonstop KOA–SAN in April 2026 (59 departures).

  • AS

    Alaska Airlines

    59 departures · 10,451 seats

    85.0%

    Load

What plane flies KOA–SAN?

In April 2026, the Boeing 737 MAX 9 flew 63% of KOA–SAN departures — more than any other aircraft type.

How has KOA–SAN traffic changed?

Nonstop KOA–SAN departures fell from 61 in May 2025 to 59 in April 2026.

Monthly nonstop KOASAN traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • May 2025

    61 departures · 8,276 passengers

    85.3%

    Load

  • June 2025

    60 departures · 8,711 passengers

    91.2%

    Load

  • July 2025

    62 departures · 9,179 passengers

    93.1%

    Load

  • August 2025

    62 departures · 8,526 passengers

    86.2%

    Load

  • September 2025

    59 departures · 7,756 passengers

    82.6%

    Load

  • October 2025

    59 departures · 8,476 passengers

    88.8%

    Load

  • November 2025

    58 departures · 8,749 passengers

    85.9%

    Load

  • December 2025

    58 departures · 8,186 passengers

    80.2%

    Load

  • January 2026

    61 departures · 8,051 passengers

    74.8%

    Load

  • February 2026

    55 departures · 7,497 passengers

    76.7%

    Load

  • March 2026

    60 departures · 9,244 passengers

    86.7%

    Load

  • April 2026

    59 departures · 8,880 passengers

    85.0%

    Load

By direction

The DOT files each direction separately — they rarely match.

SANKOA

83.5% full

30 departures · 4,429 passengers

KOASAN

86.5% full

29 departures · 4,451 passengers

Nonstop KOA–SAN traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

KOA

US

Ellison Onizuka Kona International Airport at Keāhole

Coordinates

19.74°N, 156.05°W

Hemisphere

N · W

SAN

US

San Diego International Airport

Coordinates

32.73°N, 117.19°W

Hemisphere

N · W

Frequently asked

How far is Kailua-Kona (KOA) from San Diego (SAN)?

KOA to SAN is 2,553 miles (4,108 km / 2,218 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from KOA to SAN?

A nonstop covers the 2,553-mile great-circle distance in roughly 5h 54m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies KOA–SAN?

In April 2026, the Boeing 737 MAX 9 flew the largest share of departures (62.7%), followed by the Boeing 737-900ER (32.2%).

What mileage do I earn flying KOA–SAN?

Distance-based programs credit off the 2,553-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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