Three weeks in Thailand felt far too short. Dylan and I instantly fell for the country — its people, food, landscapes, and vibrant culture — and wish we had stayed longer.
This post may contain affiliate links. Please see my disclosure page for more information. Last updated April 2023.
Anyone who’s backpacked through Asia will likely call Thailand “the best,” “incredible,” or “a favorite.” We agree. In three weeks we sampled bustling Bangkok, mountainous Chiang Mai, and the relaxed islands of Koh Lanta and Krabi. It’s affordable, diverse, and full of experiences — from street food and markets to temples, beaches, and national parks.
There’s a flood of information online about Thailand’s culture, customs, transport, food, and destinations. This article focuses on how we spent our three weeks and what we found most memorable. We spent five days in Bangkok, ten days in Chiang Mai, six days on Koh Lanta, and one day in Krabi — a balanced taste of city life, northern culture, and island relaxation.
This guide is divided into sections for each destination we visited. At the end I summarize our total costs and how we managed a mid-range travel budget. (Hint: it was easy because we kept spending low.)
Read on for a practical, experience-based three-week Thailand itinerary.
Three Weeks in Thailand: Travel Guide
- Three Weeks in Thailand: Travel Guide
- Thailand & COVID-19
- Three Weeks in Thailand: Bangkok
- About Bangkok
- Where To Stay in Bangkok
- Activities & Things To Do in Bangkok
- Three Weeks in Thailand: Chiang Mai
- About Chiang Mai
- Where To Stay in Chiang Mai
- Entaneer Poshtel – Best Hostel Ever
- Activities & Things To Do in Chiang Mai
- Three Weeks in Thailand: Koh Lanta/Krabi
- About Koh Lanta/Krabi
- Where To Stay in Koh Lanta/Krabi
- Activities & Things To Do in Koh Lanta/Krabi
- Three Weeks in Thailand: Total Costs
- Three Weeks in Thailand: Final Thoughts
- Looking for more New England travel guides?
Thailand & COVID-19
Before traveling, check current travel restrictions, quarantine rules, and vaccination requirements. Official embassy sites and local government pages will have the most up-to-date guidance for arrivals and entry procedures.
Three Weeks in Thailand: Bangkok
About Bangkok
Bangkok is a backpacker magnet and a rite-of-passage stop for many travelers. The city is vast and diverse, mixing modern shopping districts with historic temples, canals, and bustling street life. It’s a place where high-end malls sit alongside traditional markets, and where you can find both hectic nightlife and peaceful shrines.
Where To Stay in Bangkok
We chose an Airbnb with a kitchen in Soi Sukhumvit so we could manage dietary needs and save on meals. It was clean, conveniently located about ten minutes from the SkyTrain, and cost around $40 per night. If you prefer a lively backpacker scene, Khao San Road offers cheap hostels, bars, and a vibrant atmosphere worth visiting even if you don’t stay there.
Activities & Things To Do in Bangkok
Malls
Bangkok’s shopping malls are on another level — multi-story complexes with themed floors, food courts, cinemas, and unique attractions. They’re air-conditioned havens on hot days. MBK and Siam Paragon were two favorites for both shopping and people-watching.
Royal Palace
The Royal Palace is extraordinarily ornate and detailed. It’s best to arrive early to avoid the worst of the heat and crowds. Note: this is a sacred site — dress respectfully with shoulders and knees covered or you may be denied entry.
Chatuchak Weekend Market
Open only on weekends, Chatuchak has thousands of stalls selling food, clothing, crafts, and souvenirs. It’s ideal for sampling street snacks, picking up elephant pants for temple visits, and wandering for hours.
Wat Pho
Wat Pho houses the Reclining Buddha — a massive, intricately detailed statue. The temple complex is rich with history and artistry and pairs well with a Royal Palace visit since they’re nearby.
Three Weeks in Thailand: Chiang Mai
About Chiang Mai
Chiang Mai, in northern Thailand, is calmer and more relaxed than Bangkok. We loved its friendly atmosphere, night markets, and proximity to nature. We planned seven days but extended our stay to ten because it felt so welcoming.
Where To Stay in Chiang Mai
Entaneer Poshtel – Best Hostel Ever
Entaneer Poshtel was one of our favorite hostels on this trip. It’s modern, clean, and run by a welcoming local family. The beds and AC were comfortable, breakfast was good, and the location was close to night markets and restaurants. It’s a great budget-friendly option for Chiang Mai.
Entaneer Poshtel was open as of April 2023; check local booking platforms for current availability.
Activities & Things To Do in Chiang Mai
Night Markets
Chiang Mai’s night markets were a nightly highlight. We sampled local dishes, desserts, and smoothies, browsed crafts, and enjoyed cheap foot massages. Weekend markets are especially large — bring comfortable shoes and plan to get pleasantly lost.
Fruit Smoothies from Pa
Our favorite nightly ritual was fruit smoothies from Pa at Chiang Mai Gate Night Food Market. Fresh, affordable, and delicious — a must-try when you’re in the area.
Temples
Chiang Mai has many temples to explore, including Wat Phrathat Doi Suthep, which sits above the city. We spent time observing ceremonies and learning about Buddhism — a respectful and enriching experience.
Mama Noi Thai Cooking School
A cooking class is one of the most valuable experiences you can take. It teaches local ingredients and techniques, helps with dietary confidence, and is simply fun. We each cooked our own dishes and learned to prepare classics like pad thai — I brought gluten-free sauces to make the dishes safe for my diet.
Day Trip: Elephant Sanctuary
Research is essential. Many operators exploit elephants; avoid riding and choose sanctuaries that prioritize care and rehabilitation. We visited a sanctuary that rescues former working elephants, where interaction focused on feeding, bathing, and observing the animals without riding.
Day Trip to Doi Inthanon National Park
Doi Inthanon offers hikes, waterfalls, and the highest point in Thailand. We joined a small group tour through our hostel and enjoyed guided hikes, lunch, and several scenic stops.
Rajapruek Flower Gardens
These gardens are spectacular: diverse plant exhibits, orchids, and curated landscapes that make a beautiful day trip. There are places to rest and a cafe for refreshments.
Coffee Shops / University Area
The university neighborhood has malls, restaurants, and popular coffee shops. We enjoyed local cafes like RISTR8TO and Thesis Coffee while planning island time and relaxing between activities.
Three Weeks in Thailand: Koh Lanta/Krabi
About Koh Lanta/Krabi
Picking an island felt overwhelming because each has its fans. We wanted a quieter, more relaxed island without lively party scenes, so we chose Koh Lanta. It felt less developed and more peaceful during our visit — a perfect fit for calmer beach days and long walks.
Where To Stay in Koh Lanta/Krabi
An initial Airbnb didn’t meet our expectations, so we moved to Sea Shell Beach Resort (clean, beachfront, and affordable) and later stayed at At Lanta Hostel (communal, modern, and close to dining). For our final night we took a bus to Krabi Town and used a simple hostel overnight before heading home.
Activities & Things To Do in Koh Lanta/Krabi
Beach Life
We spent much of our time on Long Beach, visited Secret Beach and Kantiang Bay, and enjoyed hilltop restaurants with sunset views. Evenings often included live music, fire shows, and relaxed beach bars — perfect for sunset dinners and quiet walks.
Mu Ko Lanta National Park
We walked to the park to save on transport and enjoyed coastal scenery, rock formations, and quiet swims. Be aware of monkeys: they’ll grab food or belongings if given the chance.
Waterfall Hike
Khlong Chak Waterfall is a short, moderate hike through forest to a small waterfall. Water levels vary by season, but the walk is pleasant and accessible.
Volunteer at the Animal Shelter
Lanta Animal Welfare is a local nonprofit that rescues and cares for stray cats and dogs. We spent time learning about their work, playing with animals, and supporting their mission — a meaningful way to connect with the community.
Three Weeks in Thailand: Total Costs
Thailand is ideal for budget-conscious travelers. Dylan and I traveled on a modest plan: hostels, walking, selective excursions, and street food when possible. Budget estimates vary, but for context, a cheap budget for two for three weeks is about $1,002, while a mid-range budget is around $2,726. Our total for three weeks was $1,749 (excluding international flights). Lodging was our largest expense, followed by food, activities, and transport. Domestic flights we took between cities added $296 to our trip.
Three Weeks in Thailand: Final Thoughts
We left wishing we could stay longer. Thailand surprised and delighted us at every turn — from Chiang Mai’s night markets and daily smoothies to Koh Lanta’s tranquil beaches and sunsets. The country’s warmth, flavors, and scenery make it a place we hope to return to soon.
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Have you been to Thailand? Share your experience in the comments below.