The Caribbean’s tourism season is about to heat up.

But if you’re planning a new getaway to the islands right now, the good news is that there are some deals to be found, particularly on your flight.

That’s where Fareness comes in.

It’s a new travel web site that is the first to show the lowest fares and best travel dates within a wide range of possible travel dates to multiple destinations with a single, one-second search.

Fareness has compiled a list of the best options from 10 different U.S. cities, with four destinations generally coming out on top in the affordability department: Nassau, Bahamas; Grand Cayman, Cayman Islands; St Lucia and Montego Bay, Jamaica.

Here’s what they found, based on current prices (cheapest flight in bold)

Atlanta to

Bahamas (4 Day Round-trip) Leaving 12/3 $591

Grand Cayman (5 Day Round-trip) Leaving 12/21 $778

St. Lucia (4 Day Round-trip) Leaving 12/2 $696

Jamaica (5 Day Round-trip) Leaving 11/30 or 12/7 $422

Boston

Bahamas (4 Day Round-trip) Leaving 12/3, 12/4, 12/5 $371 or (5 Day Round Trip 12/3, 12/4, 12/5 $371

Grand Cayman (4 Day Round-trip) Leaving 12/4 $449 or (5 Day Round-trip) Leaving 12/3 $449

St. Lucia (4 Day Round-trip) Leaving 12/3 $610 or (5 Day Round-trip) Leaving 12/2 $505

Jamaica (4 Day Round-trip) Leaving 12/5 $470 or (5 Day Round-trip) Leaving 11/3 $502

Charlotte

Bahamas (4 Day Round-trip) Leaving 12/22 $598

Grand Cayman (5 Day Round-trip) Leaving 12/7 $804

St. Lucia (4 Day Round-trip) Leaving 12/12 $669 or (5 Day Round-trip) Leaving 12/2 $505

Jamaica (4 Day Round-trip) Leaving 12/5 $470 or (5 Day Round-trip) Leaving 12/5 $470

Chicago

Bahamas (4 Day Round-trip) Leaving 12/6 $427 or (5 Day Round-trip) Leaving 12/5 $427

Grand Cayman (4 Day Round-trip) Leaving 12/9 $511 (5 Day Round-trip) Leaving Leaving 12/14 $511

St. Lucia (4 Day Round-trip) Leaving 12/3 $662

Jamaica (4 Day Round-trip) Leaving 12/3 $441(5 Day Round-trip) Leaving 12/3 $441

Dallas Fort Worth

Bahamas (4 Day Round-trip) Leaving 12/9 $654 or (5 Day Round-trip) Leaving 12/2 $653

Grand Cayman (4 Day Round-trip) Leaving 12/7 $741 or (5 Day Round-trip) Leaving 12/14 $739

St. Lucia (4 Day Round-trip) Leaving 12/2 $888 or (5 Day Round-trip) Leaving 12/13 $888

Jamaica (4 Day Round-trip) Leaving 12/4 $522 or (5 Day Round-trip) Leaving12/7 $522

The Half Moon resort in Montego Bay, Jamaica.

Los Angeles

Bahamas 4 Day Round-trip) Leaving 12/1, 12/2, 12/3, 12/4, 12/5, 12/6 $471 or (5 Day Round-trip) Leaving 12/1, 12/2, 12/3, 12/4, 12/5 $471

Grand Cayman (5 Day Round-trip) Leaving 12/3 $606

St. Lucia (5 Day Round-trip) Leaving 12/2 $660

Jamaica (4 Day Round-trip) Leaving 12/4 $604

Miami

Bahamas (4 Day Round-trip) Leaving 12/2 and 12/3 $242 or (5 Day Round-trip) Leaving 12/7, 12/8 $242

Grand Cayman (4 Day Round-trip) Leaving 12/2 $206 or (5 Day Round-trip) Leaving 12/2 $206

St. Lucia (4 Day Round-trip) Leaving 12/8 $803 or (5 Day Round-trip) Leaving 12/8 $803

Jamaica (5 Day Round-trip) Leaving 11/25 $308

Seven Mile Beach in Grand Cayman.

Denver

Bahamas (4 Day Round-trip) Leaving 12/2 $391 or (5 Day Round-trip) Leaving 12/2 $391

Grand Cayman (4 Day Round-trip) Leaving 12/4 $491 or (5 Day Round-trip) Leaving 12/11 $491

St. Lucia (4 Day Round-trip) Leaving 11/28 $604

Jamaica (4 Day Round-trip) Leaving 12/3 or 12/4 $482 or (5 Day Round-trip) Leaving 12/5 $482

St Lucia.

New York

Bahamas (4 Day Round-trip) Leaving 12/2 $351 or (5 Day Round-trip) Leaving 12/9 $351

Grand Cayman (4 Day Round-trip) Leaving 12/12 $331 or (5 Day Round-trip) Leaving 12/11 $331

St. Lucia (5 Day Round-trip) Leaving 12/3 $577

Jamaica (4 Day Round-trip) Leaving 12/5 $429 or (5 Day Round-trip) Leaving 12/5 $429

Philadelphia

Bahamas (4 Day Round-trip) Leaving 12/2 $373

Grand Cayman (4 Day Round-trip) Leaving 12/9 $710 or (5 Day Round-trip) Leaving 12/2 $710

St. Lucia (4 Day Round-trip) Leaving 12/3 $600 or (5 Day Round-trip) Leaving 11/25 $598

Jamaica (4 Day Round-trip) Leaving 12/5 $521

For more info, visit Fareness.