My father is 83 years old and an Indian citizen. He is going to visit me in the US for 6 months. He will be in Dubai for a total of 1 month before he travels to the US.
The best policy for someone in their 80's is Safe Travels USA Comprehensive. This policy offers international coverage and has the highest policy maximum of all the comprehensive insurance policies available for those 80 and above.
Insurance rates are regulated by law. You can't find the same insurance plan for a lower price anywhere else