Update (6:00 pm PT, Feb. 16): This sale has been extended for bookings through Feb. 19, based on availability.

Look out for eagles, bears and whales while sailing seven nights past Alaska’s icebergs this spring or summer. For $649 per person, sail roundtrip from Seattle on Norwegian Cruise Line. These sailings on other cruise lines cost at least $200 per person more.

Book by Friday and score a $100 onboard credit per cabin and an onboard coupon booket valued at $300. The credit can be used on everything from drinks to shore excursions. 

Sail on either the Norwegian Pearl or the Norwegian Jewel (depending on the departure date) for the following per-person prices:

• $649: May 19; May 25 (over Memorial Day); Sept. 8
• $679: May 26 (over Memorial Day); Aug. 31; Sept. 1 (over Labor Day)
• $699: May 18; June 1, 2; Aug. 24
• $749: June 9, 15; Aug. 17

Itineraries on both ships vary slightly but include cruising through the Inside Passage and visits to Juneau and Ketchikan -- the home to the world's largest collection of totem poles.

Note: Taxes are an additional $180-$192 per person. Deposits have been reduced by 50%. 

Click here for more information on this deal. This is part of a larger Norwegian Cruise Line sale featuring discounts on all sailings including extras such as reduced deposits and onboard credits.