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.Ready for summer? Delta has cheap flights to Cartagena, Colombia on the country’s Caribbean coast for travel this spring. Tickets start from $288 round-trip for flyers originating in Baltimore (BWI), Boston (BOS), New York (LGA). You might also be able to find competitive prices on JetBlue or Star Alliance member Avianca, but these deals cost a bit more with less flexible dates.Airline: DeltaRoutes: BOS, BWI, LGA to CTGCost: $288-$316+ round-trip in economyDates: April 2016 through June 2016Elite Mileage Earning: At least 4,538 medallion-qualifying milesFare Class: VBooking 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:Baltimore (BWI) to Cartagena (CTG) for $288 on Delta (earns 4,538 MQMs):Baltimore (BWI) to Cartagena (CTG) for $288 on Delta.Boston (BOS) to Cartagena (CTG) for $304 on Delta (earns 5,278 MQMs):Boston (BOS) to Cartagena (CTG) for $304 on Delta.New York (LGA) to Cartagena (CTG) for $316 on Delta (earns 4,908 MQMs):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 (LGA) to Cartagena (CTG) for $316 on Delta.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.H/T: The Flight DealIf you’re able to score one of these tickets, please share the good news in the comments below!