No, you would not be able to purchase cancellation coverage for a “return” trip only. Unfortunately, travel insurance policies must be purchased prior to the start of your trip from your place of residence. In addition, most policies require that you insure your trip from the time you depart your home until your return.

Related articles:

• May I purchase travel insurance for a one way trip?
• If my return home is delayed beyond my scheduled return date, does my travel insurance remain in force until my return?
• Does travel insurance require that I cover my entire trip length?
• Should I consider extending my return date to accomodate any unforseen delays in my return home?
• I would like to purchase a cancellation policy for an amount less than my trip costs. May I self insure for a portion of the trip?