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.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 or Expedia, which allows you to cancel flights without penalty by 11pm Eastern Time within one day of booking. However, if you’re using the American Express Platinum Card, you’ll need to book directly with the airline or through Amex Travel portal to get 5x MR points. Remember: Fares may disappear quickly, so book right away and take advantage of Orbitz or Expedia’s courtesy cancellation if you’re unable to get the time away from work or family.Fly from all over the US to several European cities with tickets starting at just $261 round-trip on Norwegian. Most of these deals are valid for departures from October 2017 through March 2018, but exact availability will depend on which specific route you’re flying. Many of the low-cost carrier’s US gateways are included in this sale, including Boston (BOS), Fort Lauderdale (FLL), Los Angeles (LAX), New York (EWR and JFK) and Oakland (OAK).Norwegian’s economy product is comfy on the 787.To search for these low fares, we recommend using Google Flights and then book through Norwegian’s website for the lowest price. Some may require you to book separate tickets on different versions of the carrier’s website, but Google Flights will indicate when that is necessary as it’s not in all cases.Airline: NorwegianRoute: EWR/FLL/JFK/LAX/OAK to ARN/BCN/CPH/FCO/LGW/OSLCost: $261+ round-trip in economyDates: November 2017 - March 2018Booking Link: NorwegianPay With: The Platinum Card from American Express (5x on airfare), Chase Sapphire Reserve, Citi Prestige (3x on airfare) or Chase Sapphire Preferred (2x on travel)Here are a few examples of what you can book:New York (JFK) to Stockholm (ARN) for $261 round-trip in December:New York (JFK) to Copenhagen (CPH) for $292 round-trip in November: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 Oslo (OSL) for $310 round-trip in October:Los Angeles (LAX) to Copenhagen (CPH) for $327 round-trip in December:Fort Lauderdale (FLL) to Barcelona (BCN) for $333 round-trip in November:Oakland (OAK) to London (LGW) for $339 round-trip in November:New York (JFK) to London (LGW) for $345 round-trip in October:New York (JFK) to Paris (CDG) for $359 round-trip in November:Seattle (SEA) to London (LGW) for $372 round-trip in December:Newark (EWR) to Barcelona (BCN) for $383 round-trip in November:Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as the American Express Platinum Card (5x on flights booked directly with airlines or American Express Travel), Chase Sapphire Reserve, 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, let us know in the comments below.