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.Star Alliance partner Turkish Airlines is running a huge sale on flights from a variety of US cities to European destinations like Milan (MXP), Paris (CDG) and Prague (PRG), among others. Since these flights are operated by Turkish Airlines, you’ll have a connection in Istanbul en route to your final destination, but there are some fantastic deals to be had with a ton of flexibility. Travel dates are available from now through the end of April with round-trip tickets starting around $500. The deal is available from quite a few cities around the US, including Chicago (ORD), Los Angeles (LAX), New York (JFK) and more.Airline: Turkish AirlinesRoutes: JFK, LAX, ORD and more to EuropeCost: $508-$615+ round-trip in economyDates: January 2016 through April 2016Booking 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:Chicago (ORD) to Prague (PRG) for $508 on Turkish Airlines:Chicago (ORD) to Prague (PRG) for $508 on Turkish Airlines.New York (JFK) to Milan (MXP) for $517 on Turkish Airlines:New York (JFK) to Milan (MXP) for $517 on Turkish Airlines.Los Angeles (LAX) to Paris (CDG) for $615 on Turkish Airlines: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.Los Angeles (LAX) to Paris (CDG) for $615 on Turkish Airlines.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: Thrifty TravelerIf you’re able to score one of these tickets, please share the good news in the comments below!