Save on Alaska Airlines Fares: Best Days to Fly If you’re looking for affordable flights with Alaska Airlines, aim for mid-week days like Tuesday and Wednesday or Saturday. These days usually offer the lowest fares. For booking assistance, contact the Airline Helpline number at 1-888-925-3358. Visit Alaska Airlines’ website or email for further help and bookings. Cheap Alaska Airlines Flights: When to Fly When booking with Alaska Airlines, flying on Tuesdays, Wednesdays, and Saturdays can oft...