To save on the cost of your flight from Phoenix to Mongolia, book at least 51 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,030 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,035.
Flights from Phoenix to Mongolia lean towards being more expensive in December. Prices are generally better when you fly from Phoenix to Mongolia in April, with the cheapest ticket starting at $728.