The cost is $149 per person for a one-week cruise.

We paid about £2,000 each for the one-week cruise including return flights from Copenhagen to Kangerlussuaq, which has been very good value.

Among the best bargains this summer, she said, are one-week cruises from Miami aboard the 150-passenger Windstar.

Princess Cruises charges $34.21 (£21.58) including a 15 per cent gratuity, which is just over £3 a day on a one-week cruise.

"We just had a request from a couple in their 70's who were planning a one-week cruise," she said.

A one-week cruise generally ranges in price from $600 up into the thousands.

Nomade Yachting offers one-week cruises from £5,200 per person.

For a large cruise ship, about 8 tons of solid waste are generated during a one-week cruise.

The Norway is to return to its program of one-week cruises from Miami on Oct. 20.

It is good on any one-week cruise next year; (866) 498-3920 or www.francecruises.com.