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.With spring upon us, it’s the perfect time to enjoy the warm weather and take a trip to San Juan. Multiple carriers, including American, JetBlue and United, are offering round-trip fares from New York (EWR and JFK) and Boston (BOS) to San Juan (SJU) from as low as $220. The fares appear to last from April until May 2016 and many itineraries include nonstop service.Airlines: American, JetBlue and UnitedRoutes: BOS, EWR, JFK to SJUCost: $220-231+ round-trip in economyDates: April 2016 through May 2016Elite Mileage Earning: At least 3,195 elite-qualifying miles or 3,216 premier-qualifying milesFare Class: O (AA), G (UA)Booking 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:New York (JFK) to San Juan (SJU) for $220 on American Airlines (earns 3,195 EQMs):New York (JFK) to San Juan (SJU) for $220 on American Airlines.Newark (EWR) to San Juan (SJU) for $220 on United Airlines (earns 3,216 EQMs):Newark (EWR) to San Juan (SJU) for $220 on United Airlines.Boston (BOS) to San Juan (SJU) for $231 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.Boston (BOS) to San Juan (SJU) for $231 on JetBlue.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!