1-888-595-2181 Passengers can cancel their flight tickets within 24 hours of booking. After this period, passengers will not be able to get a refund of their tickets, as all the scheduled flights of the Jet2.com airlines are non-refundable. Jet2 Cancellation Policy allows passengers to cancel their flight in the case of an emergency or in the case of uncertain mishaps. Any passengers who know they cannot catch up on their flight can prefer to choose among the two following options: Just visit our holidayglobes.