Is $20/day realistic for the whole trip including transport?

Yes, but budget extra for arrival/departure days and occasional splurges. Long bus rides that include accommodation help average costs down. Some travelers do $15/day, others need $25 in expensive areas like Halong Bay.

Which cities are most expensive?

Ho Chi Minh City and Hanoi cost more than smaller cities, but still doable under $20. Hoi An and Da Nang have higher accommodation costs. Rural areas like Mekong Delta and mountain regions are cheapest.

Can I bargain for everything?

Bargain at markets, with xe om drivers, and for tours. Don't bargain at restaurants with posted prices or in convenience stores. Start at 50% of asking price for market goods.

How much cash should I carry?

Carry $200-300 USD and exchange to VND at gold shops (better rates than banks). Many places only take cash. ATMs work but charge fees. Keep small bills - breaking 500,000 VND notes is annoying.

How to Travel Vietnam on Under $20 Per Day

Vietnam is one of Southeast Asia's best budget destinations. Stay in dorms ($3-6), eat street food and local restaurants ($2-4 per meal), use buses and trains for transport ($5-15 between cities), and stick to free activities like walking tours and beaches. You'll easily stay under $20 daily.

Book dorm beds, not private rooms. Hostels charge $3-6 for dorm beds in most cities. Book through Hostelworld or walk-ins work fine. Private rooms jump to $12-20, which kills your budget. Homestays in rural areas like Sapa or Mekong Delta run $8-12 including meals.
Eat where locals eat. Street food costs $1-2 per meal. Pho bo runs 25,000-40,000 VND ($1-1.70). Local restaurants charge $2-4 for full meals. Avoid tourist areas where prices double. Markets have the cheapest fresh fruit and snacks.
Use buses and trains, skip domestic flights. Overnight buses between major cities cost $8-15 and save you a night's accommodation. Day buses are $5-10. Train berths are $12-20 but worth it for longer routes like Hanoi to Ho Chi Minh City. Book at stations, not online.
Walk, cycle, or use local transport in cities. Motorbike taxis (xe om) cost $1-3 for short trips. Rent bicycles for $2-3 daily. Walking is free and cities like Hoi An and Hanoi Old Quarter are compact. Grab bikes work in major cities and cost less than taxis.
Stick to free and cheap activities. Temples are free. Beaches are free. Walking tours run $3-5 tips. Museums charge $1-3. Skip expensive tours - hire motorbikes for $5-8 daily and explore yourself. Halong Bay day trips start at $25, overnight at $35.

Is $20/day realistic for the whole trip including transport?: Yes, but budget extra for arrival/departure days and occasional splurges. Long bus rides that include accommodation help average costs down. Some travelers do $15/day, others need $25 in expensive areas like Halong Bay.
Which cities are most expensive?: Ho Chi Minh City and Hanoi cost more than smaller cities, but still doable under $20. Hoi An and Da Nang have higher accommodation costs. Rural areas like Mekong Delta and mountain regions are cheapest.
Can I bargain for everything?: Bargain at markets, with xe om drivers, and for tours. Don't bargain at restaurants with posted prices or in convenience stores. Start at 50% of asking price for market goods.
How much cash should I carry?: Carry $200-300 USD and exchange to VND at gold shops (better rates than banks). Many places only take cash. ATMs work but charge fees. Keep small bills - breaking 500,000 VND notes is annoying.