Low Season is the opposite of peak or high season and is a phrase used to indicate the time of the year that minimal travel traffic occurs to any specific destination. As a result, it’s often used in reference to flight costs and is used as an indicator of how expensive or cheap a particular flight be. 

The general rule of thumb is that flight prices are lower during low season and higher during high season.

International flights experience the most variation in seasonal changes while domestic flights experience less temporal price variation. 

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