Spring is here and with it are a new crop of cruise deals. Look out for free flights, savings on fares and those ever-present perks (meaning spending money, free booze and other bonus amenities that make your sailing shine).

Check out the latest deals from your favorite cruise lines so you can plan your last-minute summer getaway or upcoming family vacation with confidence.

Norwegian's Free to Explore Deal

What it is: Norwegian's new promotion includes your choice of a Premium Beverage Package, specialty dining package, 250 minutes of free internet or the third and fourth guests to a cabin sail free. Passengers booked in studio and inside cabins have their choice of one perk; two perks for those booked in oceanview balcony and mini-suite rooms; Concierge, Haven and suite guests receive up to all five offers. Guests booked in a balcony cabin or higher category qualify for $50 in shore excursion credit per port.

Plus, the first and second passenger to a cabin can take advantage of free or reduced airfare on select sailings beginning in August 2019 when you let Norwegian Cruise Line book your flights.

Eligible voyages include: Sailings more than three nights fleetwide

Valid: Extended through May 17, 2019

Save $3,650 Per Person on Paul Gauguin South Pacific Sailings

What it is: During Paul Gauguin Cruises' two-week sale, save up to $7,300 per couple on cruises to Tahiti and other dreamy South Pacific destinations. Roundtrip airfare, transfers, drinks, gratuities and more are included in your fare.

Eligible voyages include: A selection of seven- to 10-night sailings throughout 2019 and 2020.

Valid: Through May 18, 2019

Celebrity Offers Sail Now Savings

What it is: Save up to $200 per cabin when you book a 2019 Celebrity cruise by mid-May. Combine your bonus with "Sail Your Way" or "Edge Free Upgrade" and Kids Sail Free offers for an even greater value.

Eligible voyages include: Select sailings four nights or longer to Alaska, Bermuda, the Caribbean and more destinations, departing from June 16, 2019 through December 31, 2019 (exclusions, like the Galapagos and repositioning cruises, apply).

Valid: Extended through May 22, 2019

Save 20% + OBC With Cunard's Spring Savings Event

What it is: This spring, Cunard Line is offering 20 percent off fares plus up to $1,000 in onboard credit per stateroom. Plus, past guests won't pay gratuities, anad those staying in Grills Suites receive included drinks and gratuities.

Eligible voyages include: A variety of sailings from transatlantics to the Caribbean, Asia, Africa, Middle East, Canada/New England and more.

Valid: Through May 30, 2019

Royal Caribbean's BOGO Half Off Sale

What it is: Book soon and save 50 percent on the second passenger in a cabin on a selection of upcoming Royal Caribbean sailings.

Eligible voyages include: Thousands of departures including short sailings that include the revamped CocoCay private island departing on or after June 1, 2019.

Valid: Extended through May 31, 2019

Discounts on Viking River Cruises + Reduced or Free Air

What it is: Cruise at a reduced rate on Europe's most famous rivers. Plus, fly from $499 per person

Eligible voyages include: Basel to Amsterdam; Paris to Prague; and Paris to Zurich

Valid: Through May 31, 2019

Emerald Waterways Offers Up to $3,000 Per Person in Savings on 2019 Europe Itineraries

What it is: Guests booking select sailings for the remainder of 2019 on the Rhine, Danube and Rhone with Emerald, will receive a discount of $1,500 per person on sailings of seven to 13 days, and up to $3,000 off per person on sailings of more than 14 nights.

Eligible voyages include: A wide range of Europe sailings departing now through the end of 2019 to Prague, Lyon, Munich and more.

Valid: Through May 31, 2019

Sail Bahamas Paradise from $59/Night + Kids Sail Free

What it is: Book a sailing to Grand Bahama Island anytime August through December for only $59 per person, per night in any stateroom. Plus, just in time for summer, children age 16 and under can sail for free on any sailing May 31 through September 1, 2019 (based on double occupancy) when booked by May 31.

Eligible voyages include: The low rates of $59 per night apply to select interior and oceanview staterooms.

Valid: Through May 31, 2019

Hurtigruten Offers Free Flights to Antarctica for New Expedition Ship

What it is: Get to the Seventh Continent to board a Hurtigruten cruise with free roundtrip air (coach class) from New York (JFK), Los Angeles, or Miami to Santiago. (Other gateways are available at an additional cost.)

Eligible voyages include: Three unique Antarctica itineraries—and five different departure dates— in 2019. All itineraries are aboard MS Roald Amundsen, a hybrid electric-powered expedition ship.

Valid: Etended through May 31, 2019

$500 Off U River Cruises' Theme Sailings This Summer

What it is: Save $500 on river cruise bookings including brand-new themed cruises through Germany this summer, when you book by the end of May. Cruises include "U in Drag" on July 6, featuring onboard entertainment from Rue Paul’s Drag Race, and "Tattoo on U" on August 17, offering tattoos onboard from renowned tattoo artists. Theme cruise packages include open bar throughout the cruise, three daily meals, select shore excursions, complimentary Wi-Fi, onboard local hosts and onboard programming. Prices start from $1,916 per person for a studio triple or $2,399 per person for a studio with the discount.

Eligible voyages include: Select departures of 8-day itineraries through Central Europe this summer.

Valid: Through May 31, 2019

MSC Cruises Offers Free Drinks & Wi-Fi on Ships in the Caribbean

What it is: Set sail in the he Eastern/Western Caribbean or to Canada/New England on MSC Seaside, MSC Divina, MSC Meraviglia or MSC Armonia and receive unlimited drinks for the duration of your cruise. Book any stateroom category with the Bella, Fantastica, or Wellness Experiences and receive the Drinks On Us package (valued at $250 per person). Plus, for a limited time, receive a standard internet package, as well. Sailings start from $519 per person.

Eligible voyages include: Select sailings aboard MSC Seaside, MSC Meraviglia, MSC Divina and MSC Armonia

Valid: Through May 31, 2019

Free Air on Select Silversea Sailings to the Caribbean

What it is: When booking your next Silversea cruise, expect free roundtrip air on Caribbean cruises, plus transfers.

Eligible voyages include: Voyages on various itineraries throughout 2019

Valid: Through May 31, 2019

Half Off, OBC + Free Internet on Azamara Club Cruises

What it is: This wave season Azamara is offering half off second passenger cruise fare during their "Share & Save" promo. Plus, receive up to $500 in onboard credit on select voyages and passengers booked in Club Oceanview rooms and above qualify for free Wi-Fi.

Eligible voyages include: A variety of 2019 and 2020 sailings across all ships

Valid: Through May 31, 2019

Save Hundreds With Holland America's Early Booking Bonuses

What it is: Book a Holland America cruise for spring 2020 through spring 2021 and enjoy perks totaling up to $1,200, including a signature beverage package, dinner in Pinnacle Grill, free or reduced fare for third and fourth cabin occupants and half off deposits. Suite guests will also receive up to $200 in onboard credit.

Eligible voyages include: A variety of cruises -- including Alaska Land + Sea Voyages -- from May 2020 through April 2021

Valid: Through May 31, 2019

Princess Cruises Offers Up to $500 in OBC + Free Gratuities
What it is: Your next Princess cruise could come with prepaid tips and up to $500 in onboard spending money per cabin when you book your sailing soon. Plus, save up to 30 percent on select cruise fares and only pay half the deposit.
Eligible voyages include: A selection of sailings worldwide to Alaska, Japan, the Panama Canal and more.
Valid: Through June 4, 2019

Save on Your Next UnCruise Alaska Adventure

What it is: Save up to $1,200 per couple ($600/person) per week on select 2019 Alaska cruises.Plus, the solo supplement is waived on all Legacy Alaska departures in 2019.

Eligible voyages include: 2019 Alaska sailings aboard S.S. Legacy or Safari Endeavour, Commander cabin category only -- free single supplement applies only to Legacy sailings. Save $600 per couple ($300/person) on select 2019 Alaska cruises on UnCruise's Wilderness ships. Excludes Navigator cabin category.

Valid: Extended through June 14, 2019

Holland America Offers up to $750 in Onboard Perks

What it is: Book a Holland America cruise through end of June and receive up to $300 OBC per person, depending on the length of cruise and cabin category. In addition to onboard credit, suite bookings will also receive a Signature Beverage Card per cabin, as well as a Signature Dining Package that includes a complimentary dinner at both Pinnacle Grill and Canaletto.

Eligible voyages include: Select sailings departing between fall 2019 and spring 2020. Destinations include the Caribbean, Cuba, Hawaii, the Panama Canal, Asia and more.

Valid: Through June 30, 2019

Regent Seven Seas Offers $500 in Onboard Credit for Select Europe Voyages

What it is: Book your dream cruise through Europe departing this summer or fall and receive up to $500 in spending money onboard, while availability lasts.

Eligible voyages include: Select sailings to Europe, July through November 2019

Valid: Ongoing, while availability lasts

Lindblad Offers Half Off or Free Kids' Fares in Alaska

What it is: When two adults pay full fare to sail select Alaska itineraries in 2019, the first child (categorized as age 22 or under) sails for half off, while the fourth passenger 22 years or younger sails for free.

Eligible voyages include: Lindblad's 2019 "Exploring Alaska's Coastal Wilderness" departures, May through September.

Valid: For a limited time only

Save Up to $2,000 on Pearl Seas' Cuba Cruises

What it is: Pearl Seas Cruises is offering up to $2,000 on their cultural voyages to Cuba.

Eligible voyages include: Select 2019 sailings to Cuba

Valid: Depending on availability

Ponant Offers Up to 30% Off Select Departures to South America, the Med & More

What it is: Select Ponant sailings are up to 30 percent off, including Central and South America in 2019, and the Mediterranean in 2020. Additional incentives available for early bookings.

Eligible voyages include: A variety of available itineraries through 2019/2020 including the 14-day Chilean Fjords & Patagonia sailing on Le Boreal and the October 11th Canary Islands and Cape Verde cruise in 2020.

Valid: Depending on availability

Variety Cruises Discounts Exotic Destinations By Up to 50%

What it is: Variety Cruises is now offering discounts of up to 50 percent per person (double occupancy) or a 10 percent or waived single supplement on select summer 2019 itineraries and departures.

Eligible voyages include: Bali and the Indonesian Islands, the Adriatic Sea, Spain & Portugal, Seychelles, Iceland and more sailings with departures this summer.

Valid: Depending on availability

Avalon Waterways' Suite Life Sales Event

What it is: Save $1,000 per couple on select 2020 Europe river cruises with Avalon this summer.

Eligible voyages include: Select itineraries and departures throughout 2020 including Amsterdam, Nuremburg, Budapest and Paris.

Valid: Through August 27, 2019

Save 15% on CroisiEurope 2020 European Cruises

What it is: Book a Croisi sailing in Europe by the end of the summer and save on 2020 river voyages to the Rhine, Danube, Loire, Elbe and more.

Eligible voyages include: Nearly 200 sailing in Europe in 2020

Valid: Through August 31, 2019

Save on Quark Expeditions' Voyages to the North Pole

What it is: Earn a free transfer package valued at $1,995 plus 10 percent savings on early bookings to the North Pole with Quark if you pay by June 15, 2019. Plus, save up to $2,000 on cabins plus complimentary air on select departures of Quark Expeditions' Arctic cruises in 2019.

Eligible voyages include: The 14-day Ultimate Arctic Adventure expedition in June/July 2020. Other promotion applies to various Arctic (Spitsbergen) departures June through September 2019

Valid: Most packages valid through September 23, 2019