How do I select my seat on Allegiant Air? You can choose your seats at check-in, or you can do it beforehand using the 6-letter Sun Country confirmation code that the operator will provide.
Visit Allegiant Air's official website or call (701) 505-2188.
The "manage my travel/check-in" option can be found by selecting the "travel" menu.
You will be taken to the "Welcome to My Trips" page if you select that option.
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