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 interested in a European adventure without the summer crowds, we have a sale for you! Several airlines are currently offering discounted fares for travel from September 2016 through March 2017. The fares can be found from several major US cities to many European cities. The best deal we found is from San Francisco (SFO) to Istanbul (IST) in November, priced at just $524 round-trip. This would be a great opportunity to put your Google Flights navigational skills to the test, as there are plenty of other deals to be had from a handful of US gateways to many cities in Europe.Airlines: ManyRoutes: US cities to EuropeCost: $524+ round-trip in economyDates: September 2016 - March 2017Booking Link: OrbitzPay With: Premier Rewards Gold Card from American Express, Citi Prestige or Chase Sapphire PreferredHere are some examples of what you can book:San Francisco (SFO) to Istanbul (IST) for $524 round-trip on Air Canada in November (earns 50% elite-qualifying miles on United):San Francisco (SFO) to Istanbul (IST) for $524 round-trip on Air Canada.New York (JFK) to Rome (FCO) for $627 round-trip on Delta in December (earns 8,554 MQMs):New York (JFK) to Rome (FCO) for $627 round-trip on Delta.Chicago (ORD) to Paris (CDG) for $687 round-trip on United in November (earns 8,306 PQMs):Chicago (ORD) to Paris (CDG) for $687 round-trip on United.Los Angeles (LAX) to Madrid (MAD) for $688 round-trip on Iberia in October: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 Madrid (MAD) for $688 round-trip on Iberia.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!