Frontier Airlines will launch new routes from Seattle Paine Field to Denver, Las Vegas, and Phoenix, starting June 2. The ultra-low-cost carrier will also introduce its first-ever service to Puerto Plata, Dominican Republic, significantly enhancing its network footprint. - https://hype.aero/coverage/routes/?story=24851af0-e4e0-4d9c-aab9-c594540eb8a7