330 days, as with most airlines. Though you can't really book that far in advance due to the schedules not being loaded into the system for most seasonal routes so it reality more like 4-5 months. Try out their new Minneapolis to London Gatwick route, it is awesome! :D|||Why take Sun Country? They are no good. Take an Amtrak train. Go to www.amtrak.com. It is not as slow as you think.|||My guess would be about five months because I just checked their flight schedules and they don't have fares listed beyond 4/29/11.

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