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.Cheap American flights are back this week with low-priced service between Chicago (ORD), Dallas (DFW) and New York (LGA) from $80 round-trip. Discounted rates are available on any of these routes in both directions, although the lowest-priced fares appear to only be available on Tuesdays and Wednesdays in January and February. Nonetheless, other travel days in this window are still reasonably priced at about $107 round-trip. As you book, be aware that many of these fares do not seem to appear in Google Flights, so you’ll have to search on American’s website to find them.Airline: AmericanRoutes: Flights between ORD, DFW and LGACost: $80-$107+ round-trip in economyDates: January 2016 through February 2016Elite Mileage Earning: At least 1,467 elite-qualifying milesFare Class: OBooking Link: OrbitzPay With: American Express Premier Rewards Gold, Citi Prestige or Chase Sapphire PreferredHere are a few examples of what you can book:New York (LGA) to Chicago (ORD) for $80 on American (earns 1,467 EQMs):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 Chicago (ORD) for $80 on American.Chicago (ORD) to Dallas (DFW) for $80 on American (earns 1,603 EQMs):Chicago (ORD) to Dallas (DFW) for $80 on American.Dallas (DFW) to New York (LGA) for $80 on American (earns 2,778 EQMs):Dallas (DFW) to New York (LGA) for $80 on American.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.If you’re able to score one of these tickets, please share the good news in the comments below!