Sorry, but they aren't deductible.  A casualty loss deduction is limited to property losses, specifically the decline in value of the property due to the casualty. Ancillary costs are not deductible. Non-deductible ancillary costs would include items such as -

• evacuation and temporary lodging,
• generators,
• improvements to prevent future casualties
• clean up costs except to measure the decline in value,
• rental cars after an auto accident, etc.

What about airfare being deductible due to Hurricane Irma and governor calling state of emergency?

To amend the Internal Revenue Code of 1986 to allow individuals either a credit against income tax or a deduction for expenses paid or incurred by reason of a voluntary or mandatory evacuation. ... This Act may be cited as the “Evacuees Tax Relief Act of 2011”.

<a rel="nofollow" target="_blank" href="https://www.congress.gov/bill/112th-congress/house-bill/2080/text">https://www.congress.gov/bill/112...>