I would say you can claim the airfare and $50/100 per night lodging. If there is an exclusion for overseas travel, I am not aware of one. According to the IRS:
Payments for transportation primarily for and essential to medical
care that qualify as medical expenses, such as payments of the actual
fare for a taxi, bus, train, ambulance, or for transportation by personal
car, the amount of your actual out-of-pocket expenses such as for
gas and oil, or the amount of the standard mileage rate for medical
expenses, plus the cost of tolls and parking.
Transportation expenses you can't include.
You can't include in medical expenses the cost of transportation in the following situations.
-
Going to and from work, even if your condition requires an unusual means of transportation.
-
Travel for purely personal reasons to another city for an operation or other medical care.
-
Travel that is merely for the general improvement of one's health.
-
The costs of operating a specially equipped car for other than medical reasons.
You
can include in medical expenses amounts you pay for transportation to
another city if the trip is primarily for, and essential
to, receiving medical services. You may be able
to include up to $50 for each night for each person. You can include
lodging
for a person traveling with the person receiving
the medical care. For example, if a parent is traveling with a sick
child,
up to $100 per night can be included as a
medical expense for lodging. Meals aren't included.
You can't include in medical expenses a trip or vacation taken merely for a change in environment, improvement of morale,
or general improvement of health, even if the trip is made on the advice of a doctor.
