If you've been eyeing a world cruise for 2027 or 2028, this is the season to actually compare the fine print on early-booking offers. Every major line dangles something — reduced deposits, onboard credit, free airfare — but the details vary enormously by cruise line, and in at least one case the flashiest promo on a line's homepage doesn't even apply to its world cruise product. Here's what's genuinely live right now, cross-checked against each line's own booking pages.

Of every line we checked, Holland America has the most explicitly world-cruise-targeted incentive. Its 2028 Grand World Voyage (departing Fort Lauderdale) currently carries an early-booking package worth up to $10,700 per stateroom, including up to $2,500 in onboard credit, a $500 air credit, and free Wi-Fi, alongside other unspecified benefits. The companion 2028 Grand Australia & New Zealand Voyage (departing San Diego) carries a similar package worth up to $8,500, with up to $2,000 onboard credit plus the same $500 air credit and free Wi-Fi. Both offers are tied to a booking deadline of June 14, 2027 — so there's real runway here, but the incentive is explicitly the "early" part of early-booking, and it shrinks as that date approaches.

Cunard is currently running a Fall Savings Event offering up to 35% off fares plus a reduced refundable deposit on voyages departing through December 7, 2026, with an added bonus on select Queen Mary 2 and Queen Anne sailings where the 3rd and 4th guests in an Inside, Oceanview, or Balcony stateroom sail free. This is a fleet-wide promotion rather than one built around QM2's world voyage segments specifically — Cunard's full World Voyage typically departs in January, after this promo's stated cutoff — so it's worth calling your travel advisor to ask directly whether it extends to any world-voyage segment bookings rather than assuming it from the marketing page.

Regent Seven Seas' current special offers page lists free round-trip first-class air (plus private chauffeured transfers) on select 2027–2028 sailings, though the named destinations are Alaska, the Caribbean, and Canada & New England rather than the World Cruise product specifically. Separately, Regent's standing Non-Refundable Deposit program knocks 5% off the fare when you're willing to forgo a refundable deposit, and it's stated to be combinable with other current offers. Regent's own 2027 World Cruise page (the 140-night "World of Splendor" and 126-night "Navigate the World" voyages aboard Seven Seas Splendor) doesn't publish specific incentive dollar figures online — for that voyage, pricing and any current promotions come through a direct pricing request rather than a public offer page.

Here's the detail that's easy to miss. Viking Ocean Cruises is currently advertising up to 35% off select itineraries with a $25 deposit, running through September 30, 2026. Read the terms, though, and World Cruise products are explicitly excluded from that $25 deposit structure. If you're pricing out a Viking World Cruise sailing based on a promo banner you saw for a Mediterranean itinerary, you're looking at the wrong deal — worth a direct check with Viking or your advisor on what, if anything, currently applies to the World Cruise lineup itself.

Early-booking language is doing a lot of work across the industry right now, but "early-booking incentive" doesn't automatically mean "applies to the world cruise." Holland America's Grand Voyage bonus is the clearest, most concretely world-cruise-specific deal on the market at the moment; everything else is worth a direct line-by-line confirmation before you assume a fleet-wide promo covers your 100+ night itinerary.

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