Day 4: National Parks Promo Code Sale from Alaska Airlines

Tracy Stewart, April 08, 2010
Fares from Washington DC, District of Columbia:

    Save on summer travel to America's National Parks with Alaska Airlines' new promo code offer. Look for new destinations to be featured throughout the week. Today's deals? 15% Off flights to/from Yellowstone (via Bozeman) and Grand Teton (via Idaho Falls).

    Just enter promo code EC6489 at time of purchase. This offer expires tonight, at 11:59pm.