The best time to explore the city is during drier autumn season (October and November). Visiting Guadalajara during this time helps you to avoid the summer rains, cool nights of winters and warm days of spring season.
Advance booking is the best way to get cheap flight to Guadalajara. Book 4 to 6 week in advance to grab cheap flights. Airlines such as Aeromexico, US Airways, American Airline, Delta Airlines and United Airlines offers great discounts on airline tickets. From the airport to city take taxi or Bus.