Doing the same with our 18 day Marina cruise next March. We booked this in early 2023 with O'Life choosing the House Wine and Beer package with no air, for $366pp per day in an A3 cabin. When they came out with SM our TA was able to change our booking to add it for no additional cost. Today the same A3 cabin is selling for $420pp per day with SM or $972 more than when we booked originally which is a 15% increase. Taking into account not only US but global inflation, that is not much of an increase. We saw Celebrity raise prices in the same time period by 30-40% which is why we left. In the same time we have seen international air fares rise by huge amounts. In 2022 we flew BC to Italy for under $2500pp, last year BC cost us $3800 to Italy.
All travel has gotten more expensive, but it looks like Oceania has been reasonable with their pricing, but no one knows if this will change next week when SM ends.