Frontier Airlines is offering free domestic flights for children 14 or younger, but you have to a member of their Discount Den, which is $59.99 annually.

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The deal also requires that for every free seat, a corresponding adult seat must be purchased. The deal is also only available for select dates:

  • Feb. 12, 13, 19, 20, 26 and 27
  • March 5, 6, 12, 13, 19, 20, 26 and 27
  • April 2, 3, 9, 10, 16, 17, 23, 24 and 30
  • May 1, 4, 7, 8, 11, 14, 15, 18, 21, 22 and 29
  • June 1, 4, 5, 8, 11, 12, 18, 19, 25 and 26
  • July 9, 15, 16, 22, 23, 29 and 30
  • Aug. 5 and 6

(Dates subject to change, please check Frontier’s website for details.)

Lap children do qualify for the offer but should be booked at the time of initial booking as a child instead of a lap child.

The deal is only available on Frontier's booking website, flyfrontier.com.

Other restrictions apply (read more on flyfrontier.com).

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Ceudy Gutierrez reads a book to her 2-year-old son, Matias, at their home in Buford, GA, on Tuesday, Nov. 18, 2025. Ceudy Gutierrez is struggling to make ends meet for herself and her three young kids following her husband’s ICE arrest earlier this fall. (Miguel Martinez/ AJC)

Credit: Miguel Martinez-Jimenez