Fred Olsen Cruise Lines is discounting prices on a number of departures this summer.
The cuts range between £150 and £250 and run alongside an offer of up to £250 on board credit on selected cruises.
The summer sale covers sailings from May to September.
Examples include £200 off a four-night break to France from Dover on September 23, down to £399 per person.
An 18-night Mediterranean itinerary from Southampton on June 14 has been reduced to £2,249 from £2,499pp.
A 15-night sailing to Canada from Liverpool on August 9 has seen the price cut to £1,899 from £2,149pp.
A seven-night Norwegian fjords cruises from Liverpool on August 29 now costs £999 from £1,099.
Product and customer service director Clare Ward said: “With travel getting easier, we want everyone to be able to enjoy a well-deserved break in the months ahead.
“The world really is opening up for summer, and we are so excited to be able to share it with our guests again.”