Sun Country Airlines announced (08-Mar-2018) plans to launch the following seasonal routes throughout summer 2018, allowing it to offer a total of 50 routes in 2018:
- Austin-Cancun: Three times weekly service to operate from 15-Jun-2018 to 13-Aug-2018;
- Dallas-Las Vegas: Four times weekly service to operate from 07-Jun-2018 to 20-Aug-2018;
- Portland-Orlando: Three times weekly service to operate from 14-Jun-2018 to 19-Aug-2018;
- San Diego-Los Cabos: Twice weekly service to operate from 29-Jun-2018 to 19-Aug-2018;
- Seattle-Anchorage: Five times weekly service to operate from 07-Jun-2018 to 20-Aug-2018;
- Minneapolis St Paul-Santa Rosa/Sonoma County: Twice weekly service to operate from 29-Jun-2018 to 27-Aug-2018;
- Minneapolis St Paul-Austin: Three times weekly service to operate from 15-Jun-2018 to 13-Aug-2018;
- Minneapolis St Paul-Austin-Cancun: Three times weekly service to operate from 15-Jun-2018 to 13-Aug-2018;
- Minneapolis St Paul-San Diego-Los Cabos: Twice weekly service to operate from 29-Jun-2018 to 19-Aug-2018. [more - original PR] [more - original PR - II]