Today only, Aug 24, 2016,JetBlue is offering 20% off all domestic flights and 15% off international flights for travel from September 7, 2016 to November 9, 2016, excluding all Friday and Sunday flights and October 1-10. See full terms and conditions here. To get the discount, use the coupon code: FALL2016 at checkout. Flight must originate in a US JetBlue city (including Puerto Rico). Taxes and fees are additional.