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SeaPort Airlines Airline Profile

SeaPort Airlines information, codes and useful links

SeaPort Airlines logo
SeaPort Airlines profile
SeaPort Airlines logo with name
Overview

Marketing name: SeaPort Airlines

Legal name: Air Excursions, LLC dba SeaPort Air (division of Alaska Seaplanes)

Year established: 2024

Region: North America

Base country: United States

Base city: Seattle

Base airport: Seattle-Tacoma International Airport

Details

Airline IATA code: X4

Airline category: Scheduled

Airline type: Full service carrier

Alliance: —

Operating status: Active

Useful links

Official Website: visit website

Baggage policy: visit website

We publish profile updates on a scheduled cycle, so recent changes may take up to three months to appear here. For the latest available SeaPort Airlines data, use our Airline Database API.

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SeaPort Airlines overview and services

Air Excursions, LLC dba SeaPort Air (division of Alaska Seaplanes) publicly known as SeaPort Airlines is a currently operating North American scheduled full-service carrier with a base at Seattle-Tacoma International Airport, in Seattle, United States.

This airline's IATA code is X4. Founded 1 last year, the airline is one of the most recent airline companies.

The most recent info regarding SeaPort Airlines baggage policy (last updated 2026) is available on the airline's official website via the link in the menu on the left.