Private company

SeaPort Airlines

Logo: Official website, Non-free logo, via Wikipedia3

American commuter airline

SeaPort Airlines is an American airline with daily commuter flights between Seattle and Portland, Oregon, and between Seattle and Spokane, Washington. The airline, which is a sister company of regional airline Alaska Seaplanes, is a division of Kalinin Holdings, Inc., a closely held family business headquartered in Juneau, Alaska, that owns a group of commuter airlines and tourism operations. SeaPort returned on May 20, 2025 under a new leadership team to Pacific Northwest skies following the previous company's closure in 2016.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2008Founded1

SeaPort Airlines is an American airline with daily commuter flights between Seattle and Portland, Oregon, and between Seattle and Spokane, Washington. The airline, which is a sister company of regional airline Alaska Seaplanes, is a division of Kalinin Holdings, Inc., a closely held family business headquartered in Juneau, Alaska, that owns a group of commuter airlines and tourism operations. SeaPort returned on May 20, 2025 under a new leadership team to Pacific Northwest skies following the previous company's closure in 2016.2

Corporate structure

SeaPort Airlines sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Products and brands

Fleet

SeaPort operates a fleet of Pilatus PC-12, operated under the Air Excursion certificate, configured to seat nine passengers.

Destinations

As of March 2026, SeaPort services the following destinations:

From Wikipedia’s article on SeaPort Airlines, shared under CC BY-SA 4.0.4

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. 2016Dissolved Dissolved1
  2. 2008Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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