JetBlue is taking 15% off the pre-tax fare on eligible nonstop flights with promo code TREAT15, and you have to book by 11:59 p.m. ET on October 28, 2026. Frequent Miler and Doctor of Credit both report the sale and give the same dates.
Deal Details
The code takes 15% off the pre-tax flight fare on eligible Main or EvenMore fares on nonstop flights. Frequent Miler lists the eligible fare options as Main Base, Main, Main Flex, EvenMore Base, EvenMore and EvenMore Flex, and says the options vary by route and flight.
Travel has to fall between November 2, 2026 and February 10, 2027, and Frequent Miler says Friday and Sunday travel is excluded. The blackout dates are November 19 to 30, 2026, December 17, 2026 to January 4, 2027, and January 18, 2027.
The discount applies to the base fare only, so taxes and fees aren't included. Doctor of Credit adds that it works on cash bookings, not points, and Frequent Miler says it doesn't discount flights booked with TrueBlue points.
What Doesn't Qualify
The terms Frequent Miler lists say the code isn't valid on any of these:
- Mint or BlueFirst fares in any tier
- Transatlantic flights and connecting itineraries
- Award Flights and Cash + Points bookings
- JetBlue Vacations packages
- Partner, codeshare or interline flights, including JetBlue flights when at least one segment is operated by a partner airline
- Baggage fees
The code also can't be combined with other offers or partially redeemed, and it carries no cash value.
How to Take Advantage
- Go to JetBlue's TREAT15 sale page, which Frequent Miler and Doctor of Credit both link as the direct offer.
- Search a nonstop flight for travel between November 2 and February 10 on a day other than Friday or Sunday, and outside the blackout dates.
- Pick a Main or EvenMore fare. Our guide to JetBlue fares explained shows what each fare includes.
- Book on jetblue.com with code TREAT15 by 11:59 p.m. ET on October 28. Frequent Miler says the code works only on new online bookings, with one code per booking.
Who Should Book This
This suits you if you already have a trip planned between November 2, 2026 and February 10, 2027 on a nonstop JetBlue flight and can fly outside the Friday, Sunday and blackout days. If your dates fall in a blackout window, or your trip is transatlantic or needs a connection, the code won't apply, so check your itinerary before you count on the savings.
