Traveling on short notice and on a budget requires careful planning. Here's a breakdown of considerations for Bhutan, Nepal, and Myanmar, with a focus on cost-effectiveness:

General Budget Travel Tips:

• Flexibility: Being flexible with your travel dates and times can help you find cheaper flights and accommodations. Consider traveling during the off-season to avoid peak prices.
• Local Transportation: Utilize local buses and public transportation whenever possible. Avoid relying solely on taxis, as they can be expensive.
• Accommodation: Opt for budget-friendly guesthouses or hostels instead of luxury hotels. Consider staying slightly outside of the main tourist areas, where prices tend to be lower.
• Food: Eat at local restaurants and street food stalls to save money on meals. Avoid tourist traps, where prices are often inflated.

Country-Specific Considerations:

• Nepal: Cheapest Option: Nepal generally offers the most budget-friendly options. Travel: Flights to Kathmandu are often relatively affordable, especially from nearby Indian cities. Local buses are a very cheap way to get around. Accommodation: Kathmandu and Pokhara have numerous budget guesthouses and hostels. Activities: Hiking and exploring the cities can be done on a budget. Short notice: Nepal is the most flexible of the three locations, for short notice travel.
• Bhutan: Costly Option: Bhutan is the most expensive of the three due to its high-value, low-impact tourism policy. Travel: Flights to Paro can be expensive. The daily tourist tariff adds to the overall cost. Constraints: Bhutan has strict tourism regulations, and independent travel is limited. This often means you'll need to book through a tour operator, which adds to the expense. Short notice: Bhutan is the hardest of the three locations to travel to on short notice, due to permit requirements.
• Myanmar: Mid-Range: Myanmar can be budget-friendly, but costs can vary depending on the region. Travel: Flights to Yangon or Mandalay can be found at reasonable prices. Local buses and trains are available for intercity travel. Accommodation: Guesthouses and budget hotels are available in most tourist areas. Current events: It is very important to check current travel advisories for Myanmar, due to political instability. Short notice: Depending on the region of Myanmar you wish to travel to, short notice travel can be difficult.

Recommendations for a Short-Notice Trip:

• Given your short timeframe, Nepal is likely the most feasible and budget-friendly option.
• Focus on exploring Kathmandu and potentially taking a short trip to Pokhara.
• Book flights and accommodations online in advance to secure better deals.
• When considering any of these locations, it is very important to check for current travel advisories.

I hope this helps.