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New Direct Flights to Mammoth Mountain and Sun Valley

Get your winter ski vacation off to a flying start with Horizon Air. With fares starting at $49 now's the time to dust off your boots and hit the slopes.

Direct service to Mammoth Mountain and Sun Valley is now in service and the snow is great.

Check out our partners, Visit Idaho, Sun Valley Resort, and Sun Valley CVB for great information on Idaho winter activities and deals.

To view the sale fares from your city, select a city from the scrolling list below.

Seats are limited and may not be available on all flights on all days so book now for the best selection of flights. Additional restrictions apply, see below for details.

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Fare Rules: Mammoth travel is valid between December 17, 2009, and April 11, 2010. Sun Valley travel is valid between December 19, 2009, and March 21, 2010. Tickets must be purchased within 24 hours of making your reservation and at least 7 days prior to your departure. Prices shown between Los Angeles and Sun Valley are valid for travel Monday through Friday, all other fares shown are good for travel on Tuesdays, Wednesdays, and Saturdays. Travel between Mammoth and Los Angeles, Reno, or San Jose must be nonstop. Travel between Mammoth and Portland or Seattle must be direct. Travel between Sun Valley and Boise or Los Angeles must be nonstop.
Terms and Conditions: Seats are limited and may not be available on all flights or all days. Charges apply to checked baggage. These fares may be purchased at alaskaair.com or horizonair.com provided the itinerary is no more than eight segments long (a ground segment constitutes one leg of your itinerary). These fares are nonrefundable and are only available on Alaska Airlines and/or Horizon Air. Changes made through an Alaska Airlines/Horizon Air Reservation Call Center or Airport Ticket Counter incur a $100 per person change fee plus applicable fees and any difference in fare. Changes made at alaskaair.com incur a $75 per person change fee plus applicable fees and any difference in fare. Fares are subject to change without notice. Traveler is responsible for the following taxes and fees, as applicable: Airport Passenger Facility Charges of up to $9 (amount depends on itinerary), Federal Segment Tax of $3.70 per segment (take-off and landing), U.S. Security Fee of $2.50 per enplanement. All taxes and fees shown are based on one way travel and may be doubled if traveling round trip. All fares, taxes, and fees are in U.S. dollars and are subject to change without notice, and other restrictions apply. Some markets may not operate daily service.