Quick answer
The smoothest India, Nepal, and Bhutan sequence usually starts with North India, continues to Nepal, and ends with Bhutan or returns through Delhi depending on flight availability.
Why sequence matters
Flight days, visa rules, altitude, and festival dates can make or break the route.
Classic sequence
Delhi, Agra, Jaipur, Varanasi or North India, then Kathmandu/Pokhara, then Paro/Thimphu/Punakha.
What to avoid
Do not add too many one-night stops. South Asia combinations need breathing room between flights and mountain roads.
Common questions
How many days do I need for India, Nepal, and Bhutan?
Sixteen days is the practical minimum. Three weeks is better for comfort and depth.
Should Bhutan come first or last?
Bhutan often works well at the end because the pace is quieter, but flight schedules should decide the final sequence.