Update: Some offers mentioned below are no longer available. View the current offers here.Airfare deals are typically only available on limited dates. We recommend that you use Google Flights to find dates to fly, then book through an online travel agency, such as Orbitz, which allows you to cancel flights without penalty by 11pm Eastern Time within one day of booking. Remember: Fares may disappear quickly, so book right away and take advantage of Orbitz’s courtesy cancellation if you’re unable to travel. Additionally, keep in mind that discounted partner fares may not earn miles with US-based carriers.If you’re looking to spend some time in the sun and sand, check out these great deals to several warm-weather destinations in May. Delta, United and JetBlue are offering discounted fares to San Juan (SJU), Panama City (PTY), Barbados (BGI) and Bermuda (BDA) starting at just $217 round-trip. You can book these flights by heading to Google Flights, searching for the itinerary you want and then ultimately completing the reservation through each airline’s website. If you decide to book one of the JetBlue fares to Barbados or Bermuda, be sure to use the new JetBlue Plus Card, which will earn you an extra 6 points for every dollar spent on JetBlue purchases, plus a free checked bag and other perks.Airlines: Delta, JetBlue and UnitedRoutes: NYC to SJU, PTY, BGI and BDACost: $217-284+ round-trip in economyDates: May 2016Elite Mileage Earning: At least 4,430 elite-qualifying milesFare Class: Delta: X and V; United: GBooking Link: OrbitzPay With: American Express Premier Rewards Gold, Citi Prestige or Chase Sapphire PreferredSearch for your flight here:Here are a few examples of what you can book:Newark (EWR) to San Juan (SJU) for $217 round-trip on Delta (earns 4,584 MQMs):Newark (EWR) to San Juan (SJU) on Delta for $217 round-trip.Newark (EWR) to Panama City (PTY) for $284 round-trip on United (earns 4,430 PQMs):Newark (EWR) to Panama City (PTY) for $284 round-trip on United.New York (JFK) to Bridgetown, Barbados (BGI) for $274 round-trip on JetBlue:Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.New York (JFK) to Bridgetown (BGI) for $274 round-trip on JetBlueNew York (JFK) to Bermuda (BDA) for $266 round-trip on JetBlue:New York (JFK) to Bermuda (BDA) for $266 round-trip.Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as the American Express Premier Rewards Gold or Citi Prestige (3x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.If you’re able to score one of these tickets, please share the good news in the comments below!