A husband should exert every effort to help his wife carry out her religious duties. Therefore, he should not hesitate to accompany her on Hajj if he is able to. If he is unable to go with his wife, then she should understand the situation and look for an alternative.
Responding to this issue, Sheikh Ahmad Kutty, an Islamic scholar said:
The Prophet (peace and blessings be upon him) told a person to accompany his wife on Hajj even at the expense of doing voluntary jihad. Therefore, it is a spousal obligation to accompany her on Hajj if he can.
However, if his circumstances do not allow him to accompany his wife, he is excused, and she should find another alternative such as traveling with a blood relation or a group of trustworthy women.