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 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. 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.Although it might not seem like it just yet for those in the Northeast, JetBlue is ringing in spring with a flash sale. As part of the two-day sale, which JetBlue is calling “The Big Spring Sale,” you can find one-way flights from $33 and round-trip flights from $82. To take advantage, you must book by March 16, 2018, at 11:59pm ET or local time, and travel between March 27 and June 20, 2018. There are blackout dates between May 22-30.Because so many cities are part of this sale, it’ll be best to check out JetBlue’s page in order to find out exactly which ones are included. The best way to find availability is to search Google Flights for the routes and dates and then click through to JetBlue’s website to book. Act quick! These fares won’t last long — they’ll be available through Friday only.Airline: JetBlueRoutes: Domestic and international routesCost: $33+ one-way, $82+ round-trip in economyDates: March 27 — June 20, 2018Booking Link: Orbitz or ExpediaPay With: The Platinum Card from American Express (5x on airfare), Chase Sapphire Reserve, Citi Prestige (5x on airfare) or Chase Sapphire Preferred Card (2x on travel)Here are a few examples of what you can book:Oakland (OAK) to Long Beach (LGB) for $33 one-way:Oakland (OAK) to Long Beach (LGB) for 1,500 TrueBlue points + $5.60 one-way: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.Long Beach (LGB) to Las Vegas (LAS) for $34 one-way:Atlanta (ATL) to Orlando (MCO) for $38 one-way:Orlando (MCO) to Mexico City (MEX) for $81 one-way:Oakland (OAK) to Long Beach (LGB) for $82 round-trip:New York (JFK) to Portland (PWM) for $97 round-trip:New York (EWR) to Fort Lauderdale (FLL) for $107 round-trip:Fort Lauderdale (FLL) to Aguadilla (BQN) for $127 round-trip: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 (5x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.