Honolulu, Oahu (HNL) to Seattle (SEA)

2,677mi
4,308 km2,326 nm

Flight time

≈ 6h 09m

Bearing

39° NE

Honolulu, Oahu (HNL) to Seattle (SEA) is 2,677 miles (4,308 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: HNL → SEAHNLSEA

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What actually flies HNL–SEA

Filed traffic data

In June 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop HNL–SEA; the Airbus A321neo was the most common aircraft at 37% of departures; flights ran 87% full.

Departures

473

June 2026

Seats

105,980

both directions

Passengers

92,694

both directions

Load factor

87.5%

RPM ÷ ASM

Who flies HNL–SEA?

Alaska Airlines operated the most nonstop HNL–SEA departures in June 2026 (353), one of 2 carriers on the route.

  • AS

    Alaska Airlines

    353 departures · 82,701 seats

    86.9%

    Load

  • DL

    Delta Air Lines

    120 departures · 23,279 seats

    89.5%

    Load

What plane flies HNL–SEA?

In June 2026, the Airbus A321neo flew 37% of HNL–SEA departures — more than any other aircraft type.

How has HNL–SEA traffic changed?

Nonstop HNL–SEA departures fell from 485 in July 2025 to 473 in June 2026.

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

  • July 2025

    485 departures · 97,956 passengers

    91.1%

    Load

  • August 2025

    495 departures · 98,529 passengers

    89.7%

    Load

  • September 2025

    479 departures · 84,026 passengers

    78.2%

    Load

  • October 2025

    490 departures · 91,145 passengers

    82.2%

    Load

  • November 2025

    466 departures · 82,627 passengers

    76.9%

    Load

  • December 2025

    503 departures · 93,726 passengers

    79.6%

    Load

  • January 2026

    499 departures · 90,857 passengers

    78.0%

    Load

  • February 2026

    457 departures · 81,847 passengers

    77.6%

    Load

  • March 2026

    518 departures · 96,457 passengers

    81.0%

    Load

  • April 2026

    485 departures · 87,166 passengers

    77.4%

    Load

  • May 2026

    494 departures · 93,188 passengers

    81.3%

    Load

  • June 2026

    473 departures · 92,694 passengers

    87.5%

    Load

By direction

Each direction is filed separately — they rarely match.

HNL → SEA

86.6% full

237 departures · 46,022 passengers

SEA → HNL

88.3% full

236 departures · 46,672 passengers

Nonstop HNL–SEA traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).

The airports

HNL

US

Daniel K. Inouye International Airport

Coordinates

21.32°N, 157.93°W

Hemisphere

N · W

SEA

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°W

Hemisphere

N · W

Frequently asked

How far is Honolulu, Oahu (HNL) from Seattle (SEA)?

HNL to SEA is 2,677 miles (4,308 km / 2,326 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from HNL to SEA?

A nonstop covers the 2,677-mile great-circle distance in roughly 6h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies HNL–SEA?

In June 2026, the Airbus A321neo flew the largest share of departures (36.6%), followed by the Airbus A330-200 (25.6%).

What mileage do I earn flying HNL–SEA?

Distance-based programs credit off the 2,677-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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