Phoenix Sky Harbor is one of three airports to get Frontier Airlines' new flights to this Pacific Northwest city. Here's how to get the cheapest fare.

PHOENIX — Discount carrier Frontier Airlines announced new service between Phoenix and Seattle on Tuesday. The flights connecting Phoenix Sky Harbor International Airport and Seattle Paine Field will be available three times a week beginning June 2. The planes will take off on Mondays, Wednesdays and Fridays.

Frontier Airlines introduced Phoenix-Burbank flights in November ... Aeromexico is weeks away from returning to Phoenix Sky Harbor International Airport for the first time since 2014.

A ground delay was in effect for Phoenix Sky Harbor Airport on March 7, affecting arriving and departing flights mostly from Southwest Airlines.

Sky Harbor International Airport broke all sorts of passenger growth records in 2024. Is that kind of growth sustainable?

From red-eye flights on Southwest to the return of an important international route, here are all the new flights from Phoenix for spring break 2025.