Unaccompanied Minor Rules by Airline
Ages, fees and connecting-flight rules for children flying alone on 9 US airlines, from each airline's own page, checked October 2026.
On American, Delta and United the unaccompanied minor service is required for ages 5 to 14 and costs $150 each way; Southwest requires it to age 11 ($100), Alaska and Hawaiian to 12 ($50 nonstop), JetBlue to 13, and Frontier and Allegiant do not let under-15s fly alone (airline pages, 18 October 2026).
Unaccompanied Minor Rules by Airline
Frequently asked
Can a 15 year old fly alone?
Yes, on all nine airlines checked. At 15 a child books as an ordinary passenger on Southwest (as a Young Traveler), Frontier, Allegiant and JetBlue; American, Delta and United offer their unaccompanied minor service as an option up to 17, and Alaska and Hawaiian from 13 to 17.
Can a 12 year old fly alone?
Yes. The service is required at 12 on American, Delta, United, Alaska, Hawaiian and JetBlue; on Southwest a 12 year old flies as a Young Traveler, with no escort and no service fee. Frontier and Allegiant do not accept children under 15 travelling alone, and United's service covers nonstop flights only.
How much is the unaccompanied minor fee?
$150 each way on American (plus tax), Delta, United and JetBlue; $100 one way per child on Southwest ($35 between Hawaiian islands); and $50 per child nonstop or $75 with connections, each way, on Alaska and Hawaiian.
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