Alaska Airlines will begin twice-daily flights between Seattle and Salt Lake City next spring, and is offering some introductory fares of $99 each way.

The flights start April 4, 2013, departing Seattle at 7 a.m. and 1.10 p.m. daily. Flights from Salt Lake City to Seattle will be at 11 a.m. and 5.10 p.m.

The $99 tickets much be purchased by Nov. 8 for flights from April 4 to May 31, 2013 — and seats are limited.

Get information/tickets online at alaskaairlines.com. Alaska charges $15 extra if a ticket is bought at the airport or through a reservation call center.

Alaska mileage-plan members can get double miles on the new route (register your number before the flight through Alaska's website) from April 4 through May 31, 2013.