Update: Some offers mentioned below are no longer available. View the current offers here.Want to see the latest flight deals as soon as they’re published? Follow The Points Guy on Facebook and Twitter, and subscribe to text message alerts from our deals feed, @tpg_alerts.Flights to the island of Puerto Rico just dropped as low as $122 round-trip.The best part? Some of these deals are available as soon as next weekend. Even better, these fares are available from East Coast cities where you won’t see them often.These deals are available on American, JetBlue and United. For the first two airlines, your carry-on will be free of charge. If you take advantage of the United deal, you’ll have to pay extra for a carry-on as it’s a basic economy fare.Scott’s Cheap Flights also found availability from other U.S. cities to San Juan (SJU), Aguadilla (BQN) and Ponce (PSE).Sign up for TPG’s free daily email newsletter for more travel stories and tips delivered each morning to your inbox!To search, head to Google Flights and enter your origin and destination cities. Scroll through the calendar function to find dates and prices that work for you. Finally, click through to book directly with the airline or through an OTA like Priceline, Orbitz or Expedia.Airline: American, JetBlue and UnitedRoutes: MIA/EWR/BOS/MCO/PHL to SJUCost: $122+ round-tripTravel Dates: February - May 2020Pay With: The Platinum Card® from American Express (5x on flights booked directly with airlines or American Express Travel), Citi Prestige® Card (5x on airfare), Chase Sapphire Reserve, American Express® Gold Card (3x on flights booked directly with airlines or American Express Travel), Citi Premier® Card (3x on airfare) or Chase Sapphire Preferred Card (2x on travel)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.The information for the Citi Prestige has been collected independently by The Points Guy. The card details on this page have not been reviewed or provided by the card issuer.Here are a few examples of what you can book:Miami (MIA) to San Juan (SJU) for $122 round-trip on American:Newark (EWR) to San Juan (SJU) for $125 round-trip on United:Boston (BOS) to San Juan (SJU) for $125 round-trip on JetBlue:Orlando (MCO) to San Juan (SJU) for $178 round-trip on JetBlue:Philadelphia (PHL) to San Juan (SJU) for $232 round-trip on JetBlue:Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases to pay the taxes and fees, such as the The Platinum Card® from American Express (5x on flights booked directly with airlines or American Express Travel), Citi Prestige® Card (5x on airfare), Chase Sapphire Reserve, American Express® Gold Card (3x on flights booked directly with airlines or American Express Travel), Citi Premier® Card (3x on airfare) or Chase Sapphire Preferred Card (2x on travel). Check out this post for more on maximizing airfare purchases.