Dr. Monzer Kahf, a prominent economist and counselor states: This type of Hajj will InShaAllah be accepted. The reason is: an outstanding loan that one already has a plan to pay, in agreement with lender, is not a hindrance for going to Hajj, we may even be obligated to make the Hajj if we have sufficient savings for the trip, even whole under the loan because the loan is not due for payment and we are not paying it out of the present savings. The point that it is an interest loan (even when it is taken out of reasonable family needs in accordance with the known Fatwa in this regard) urges faster payment on our behalf but because, as a mortgage, it is of a long nature, it does not require making faster payment to the extent that hinders other obligations and normal spending.”
Allah Almighty knows best.