Oakland (OAK) to Seattle (SEA)

672mi
1,082 km584 nm

Flight time

≈ 2h 09m

Bearing

360° N

Oakland (OAK) to Seattle (SEA) is 672 miles (1,082 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: OAK → SEAOAKSEA

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What actually flies OAKSEA

Filed traffic data

In May 2026, Alaska Airlines operated the most departures, one of 4 carriers flying nonstop OAK–SEA; the Embraer E175 was the most common aircraft at 29% of departures; flights ran 78% full.

Departures

353

May 2026

Seats

48,588

both directions

Passengers

37,773

both directions

Load factor

77.7%

RPM ÷ ASM

Who flies OAK–SEA?

Alaska Airlines operated the most nonstop OAK–SEA departures in May 2026 (124), one of 4 carriers on the route.

  • AS

    Alaska Airlines

    124 departures · 21,800 seats

    75.9%

    Load

  • WN

    Southwest Airlines

    124 departures · 18,812 seats

    76.3%

    Load

  • QX

    Horizon Air

    104 departures · 7,904 seats

    86.4%

    Load

  • DL

    Delta Air Lines

    1 departures · 72 seats

    55.6%

    Load

What plane flies OAK–SEA?

In May 2026, the Embraer E175 flew 29% of OAK–SEA departures — more than any other aircraft type.

How has OAK–SEA traffic changed?

Nonstop OAK–SEA departures fell from 559 in June 2025 to 353 in May 2026.

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

  • June 2025

    559 departures · 63,678 passengers

    83.1%

    Load

  • July 2025

    581 departures · 67,196 passengers

    84.4%

    Load

  • August 2025

    544 departures · 64,330 passengers

    89.1%

    Load

  • September 2025

    512 departures · 53,384 passengers

    79.0%

    Load

  • October 2025

    450 departures · 48,016 passengers

    76.6%

    Load

  • November 2025

    379 departures · 40,410 passengers

    76.4%

    Load

  • December 2025

    366 departures · 42,305 passengers

    81.1%

    Load

  • January 2026

    332 departures · 34,544 passengers

    73.9%

    Load

  • February 2026

    319 departures · 34,634 passengers

    76.7%

    Load

  • March 2026

    301 departures · 31,441 passengers

    75.2%

    Load

  • April 2026

    306 departures · 32,488 passengers

    80.2%

    Load

  • May 2026

    353 departures · 37,773 passengers

    77.7%

    Load

By direction

Each direction is filed separately — they rarely match.

OAKSEA

81.5% full

177 departures · 19,619 passengers

SEAOAK

74.0% full

176 departures · 18,154 passengers

Nonstop OAK–SEA traffic has been filed since 2025.

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

The airports

OAK

US

San Francisco Bay Oakland International Airport

Coordinates

37.72°N, 122.22°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 Oakland (OAK) from Seattle (SEA)?

OAK to SEA is 672 miles (1,082 km / 584 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from OAK to SEA?

A nonstop covers the 672-mile great-circle distance in roughly 2h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies OAK–SEA?

In May 2026, the Embraer E175 flew the largest share of departures (29.5%), followed by the Boeing 737-700 (21.5%).

What mileage do I earn flying OAK–SEA?

Distance-based programs credit off the 672-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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