Alaska Airlines is planning a major premium spending spree. The Seattle-based airline on Tuesday announced a slew of upgrades for its planes and its airport lounges.

For the first time, Alaska will install lie-flat seats on domestic planes. You could start seeing those fancy new suites on key transcontinental routes as soon as 2028.

Also on deck: premium economy. For months, Alaska executives have been dropping hints about the cabin . Now, it's actually coming.

Plus, Hawaiian Airlines' flagship jets are getting a significant upgrade. The older lie-flat seats are out, and much more modern suites are taking their places.

We are also getting new details about new lounges the airline is planning in Seattle, Honolulu and San Diego.

All told, it's a ton of news involving America's fifth-largest airline — and in a lot of ways, it marks the next step in Alaska's evolution after acquiring Hawaiian in 2024.

Let's quickly walk through these changes and what they'll mean for your travel on Alaska and Hawaiian in the coming years.

The biggest surprise announcement on Tuesday was Alaska's plan to outfit dozens of its single-aisle planes with lie-flat seats for the first time.