Sailing from Vancouver, the vessel called at destinations such as Sitka, Juneau, Tracy Arm Fjord and Ketchikan.
During their stay, agents took part in whale-watching experiences as well as a lumberjack show and a session with British alpinist Kenton Cool.
The line said agents have until 31 July to register their Cunard fare bookings as well as any Alaska early saver fare, saver fare and net rate bookings with the Shine Rewards Club if they want to win a spot onboard Queen Elizabeth for next year.
