| Document And Entity Information | Dec. 17, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Sky Harbour Group Corporation |
| Document, Type | 8-K |
| Document, Period End Date | Dec. 17, 2024 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-39648 |
| Entity, Tax Identification Number | 85-2732947 |
| Entity, Address, Address Line One | 136 Tower Road, Suite 205 |
| Entity, Address, Address Line Two | Westchester County Airport |
| Entity, Address, City or Town | White Plains |
| Entity, Address, State or Province | NY |
| Entity, Address, Postal Zip Code | 10604 |
| City Area Code | 212 |
| Local Phone Number | 554-5990 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | true |
| Entity, Ex Transition Period | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001823587 |
| ClassACommonStockParValue00001PerShare Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | SKYH |
| Security Exchange Name | NYSEAMER |
| WarrantsEachWholeWarrantExercisableForOneShareOfClassACommonStockAtAnExercisePriceOf1150PerShare Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share |
| Trading Symbol | SKYH WS |
| Security Exchange Name | NYSEAMER |
