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How to Spend 3 Weeks in Thailand: What to Do, Skip, and Extend

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Last updated on April 30th, 2026 at 08:28 pm

After three weeks in Thailand with my daughter, Julia, I came home with one firm opinion: three weeks is not enough.

Thailand ticks just about every box an artsy traveler can come up with. Beautiful landscapes? Rich culture? Welcoming people?

Yes, yes, and yes.

Throw in wonderful food, vibrant night markets, and elephants, and you have a country that will easily steal your heart.

No wonder so many of the travelers I met during my three-week journey around Thailand had visited multiple times.

When it comes to planning a trip to Thailand, you can quickly get overwhelmed by all the choices.

• How long should you spend in Bangkok?
• What’s there to see in Chiang Mai?
• Should you go to Khao Sok? (Spoiler alert: Yes).
• How many days should you devote to fun and sun in the south?

The three-week itinerary we developed for our mother-daughter trip will give you a comprehensive introduction to fascinating Thailand.

In this post, I describe the full three-week route we took, how long we spent in each destination, what I’d do differently, and honest notes on what worked.

For each destination, I’ve linked to my detailed posts that provide further, in-depth coverage of my experience, along with practical details about what to see and where to stay.

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Getting to Thailand

We flew from Vancouver on Japan Airlines with a one-night stopover in Tokyo. If you’re coming from North America, I recommend giving yourself a one-night break somewhere en route.

We spent a memorable evening in bustling Shinjuku, where we dined in a small place filled with Japanese business people slurping noodles after a long day at the office, and no other tourists.

Breaking the journey helped mitigate jet lag so we arrived in Bangkok (a six-hour flight from Tokyo) refreshed and ready to start our Thailand adventure.

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3-Week Thailand Itinerary at a Glance

• Bangkok: 4 nights with a day trip to Ayutthaya
• Chiang Mai: 4 nights
• Hill Tribe Villages: 1 night
• Chiang Mai: 1 night
• Khao Sok National Park: 3 nights, including two nights at Our Jungle House near the town of Khao Sok and one night at a lakehouse on Cheow Lan Lake
• Ao Nang / Krabi: 3 nights
• Koh Phi Phi: 2 nights
• Bangkok Airport: 1 night

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Bangkok: Days 1 to 4

Bangkok is a huge city that feels surprisingly accessible. In a four-night, three-day visit, you’ll have time to see some of the highlights and take a day trip to Ayutthaya.

On our first of two full days in Bangkok, we visited the Chatuchak weekend market, toured Jim Thompson House, and took a food tour of Chinatown.

The next day, we took a temple tour in the morning, wandered through some of Bangkok’s stunning malls in the afternoon (they really are tourist attractions), and took in a traditional dinner-theater performance in the evening.

Day 3 was a full-day guided tour to Ayutthaya.

Here’s how we spent our two full days in Bangkok plus a one-day excursion to Ayutthaya.

Day 1: Arrival in Bangkok

We flew from Tokyo to Bangkok’s Suvarnabhumi Airport, arriving mid-afternoon and waiting about two hours to get through border control. The crowds were intense in January, peak tourist season in Thailand.

Once out, we decided to take a taxi to our accommodation in the Silom district of Bangkok. The alternative was to take two trains and a Grab ride (Grab is Thailand’s version of Uber). After flying for six hours and standing in line for two more, we decided the savings weren’t worth the hassle.

The drive from the airport took another two hours thanks to the famously snarled Bangkok traffic. But at a cost of about 1000 Thai baht ($35 USD), the ride was a bargain.

We arrived at our accommodation, dropped our luggage and went in search of food. Our first meal in Bangkok turned out to be one of the best.

Day 2: Market, Jim Thompson House, and Backstreets Bangkok Food tour

We started our first full day with a morning visit to the Chatuchak Weekend Market.

If you’re in Thailand on a weekend, I highly recommend a visit to the market. It’s huge and crowded and full of cool souvenirs. Prices are reasonable, so stock up here.

Next, we took the BTS skytrain to Jim Thompson House and then wandered around the nearby Silom mall before returning to our hotel for an afternoon siesta.

The Jim Thompson House deserves at least two hours of your time. Thompson was an American who revived the Thai silk industry after World War II and created one of the finest private art collections in Southeast Asia before vanishing in the Malaysian jungle in 1967. His house complex is a masterpiece of Thai architecture.

At 5 pm, we headed to Chinatown for the Chef’s Tour Bangkok Backstreets food tour where we sampled eight dishes and learned a lot about Thai cuisine and local history.

Day 3: Temples, Malls, and Evening Theater

The next day began at the river. We booked the Bangkok Temple Tour and River of Kings, a small-group tour that included a visit to the Grand Palace and Wat Pho, and a long-tail boat ride on the Chao Phraya.

This is a not-to-be-missed experience early in your trip. You’ll  get your bearings on Thai Buddhist art and architecture before you head deeper into the country.

In the evening we caught the hop-on, hop-off Blue Flag Chao Phraya Tourist Boat from Sathorn Pier, the main connection point to the BTS Skytrain, to Phra Arthit Pier.

The river in the evening sparkled with floodlit temples and dinner cruises drifting past.

Shortly after walking away from Phra Arthit Pier toward Khao San Road, I fell and badly injured my left arm.

Undeterred, we walked a few blocks to Penthai Theatre to enjoy a traditional Thai dinner and show. If you have any interest in classical Thai dance, this is a polished, accessible introduction.

Day 4: Ayutthaya: Day Trip from Bangkok

Ayutthaya was the capital of the Kingdom of Siam for over four centuries before the Burmese sacked it in 1767. What remains is haunting: headless Buddhas, crumbling prangs, and temple complexes slowly being reclaimed by roots and heat.

We went on a small-group day tour from Bangkok, which is the best way to visit Ayutthaya. The site is too spread out to navigate easily on your own, especially if you only have a day.

This is a UNESCO World Heritage site and not to be skipped if you are interested in history and art.

My post 7 Reasons a Small Group Tour Is the Best Way to Visit Ayutthaya in Thailand provides details.

What I’d do differently

For a first timer’s trip to Thailand, I recommend adding an additional full day for Bangkok’s street art scene and the city’s parks. The temples and museums are extraordinary, but Bangkok has a contemporary art energy that I only glimpsed.

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Chiang Mai: Days 5 to 8

Chiang Mai in northern Thailand is a delight, and well worth as much time as you can accommodate in your Thailand itinerary.

The old city sprawls inside a moat, bristles with temples, and features several night markets and craft workshops. Four nights was not enough. I’d go back for at least five, and use the extra day for more temples, the Saturday or Sunday night market, and a food tour.

Day 5: Fly to Chiang Mai

We took a Grab back to Suvarnabhumi airport and caught a flight north to Chiang Mai. We enjoyed a walk around some of the temples near our hotel and spent the evening at a small night market across from the old town.

Day 6: Sunrise Temple Tour

The Chiang Mai Sunrise Temple Tour started at 4:30 am. Our guide Non, a former monk, drove us and two other people in our small-group tour up the mountain to Doi Suthep before the crowds and the heat, and explained temple art and Buddhist practice in a way that made everything we saw for the rest of the trip make more sense.

This trip was worth every minute despite the early wake-up.

Our first full day in Chiang Mai ended with a visit to a hospital to have my sprained arm examined.

While I would have preferred not visiting a hospital while on vacation, I was pleasantly reassured by the experience. I learned that medical care in Thailand is efficient, thorough and very reasonably priced.

I paid about $130 USD to see two doctors, get medications for a mild fever, and a brace for my injured arm.

Day 7: Temples and a Cooking Class

I spent Day 7 mostly resting in our comfortable apartment while Julia walked around the old town and later in the day went to a cooking class (Grandma’s Cooking Class).

She had a great time, returning after several hours with leftovers which I gratefully devoured.

Day 8: Elephants

I was looking forward for months to this day when we’d come face to face with elephants. We’d researched ethical elephant experiences extensively and settled on Sunshine for Elephants.

With my arm firmly braced and my fever abated, Julia and I climbed onto the minibus for a day that included walking with elephants in the forest and seeing them roaming freely in the Elephant Nature Park.

This full-day experience was, for me, the single best day of the trip. The Elephant Nature Park is an ethical sanctuary, not a performance venue. The elephants roam, bathe, eat, and socialize on their own terms.

We walked among them with guides who knew each animal’s story. I came away with a much clearer understanding of what ethical elephant tourism actually means and why it matters.

To help you choose your own elephant experience, check these posts:

• How to Visit Elephants Ethically in Chiang Mai
• How to See Elephants in Chiang Mai Without Guilt: Sunshine for Elephants Review
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What I’d do differently: Add a day. More temples, more market time, an evening food tour through the old city.

Hill Tribe Adventure: Days 9 and 10

These two days were undoubtedly the most intense and culturally significant of the trip.  Thailand Hill Tribe Holidays took us all the way to the Myanmar border to visit several hill tribe villages where we met and interacted with the locals.

We also learned more about the complicated relationship between  tourism and development, and what it means to visit communities that exist partly outside the mainstream Thai economy.

The post goes into this honestly. If you want travel that stays with you, add a two-day experience with Thailand Hill Tribe Holidays to your Thailand itinerary.

We spent one night in the town of Tha ton in northern Thailand and then, after the second full day of the tour, spent a final night in Chiang Mai.

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Khao Sok National Park: Days 11 to 14

Halfway between Bangkok and the islands of southern Thailand is Khao Sok National Park.

For four days and three nights, we explored ancient rainforests, marveled at limestone karsts rising out of a vast lake, saw snakes wrapped around tree branches, and spent a night on a floating raft house on Cheow Lan Lake.

Day 11: Chiang Mai to Khao Sok

Early on Day 11, we caught a flight from Chiang Mai south to Surat Thani. From there, we were driven to Our Jungle House near the small town of Khao Sok on the edge of Khao Sok National Park.

After arriving, we settled into our home for the first two days of the Khao Sok adventure—a treehouse complete with its own resident gecko.

Read about the four-day experience in my post: A First Timer’s Adventure in Spectacular Khao Sok National Park.

Day 12: River Canoe & Jungle Walk

After a relaxing ride down the river in a canoe propelled by a guide, we wandered around the small town, then spent the evening spotting wildlife on a night jungle tour.

Day 13: Cheow Lan Lake Adventure

A shuttle bus drove us to the lake where we boarded a long-tail boat for one of the most spectacular journeys I’ve ever taken. Our destination was a floating lakehouse where we spent the night.

A sunset tour to watch for wildlife ended a pretty much perfect day.

Day 14: Khao Sok to Ao Nang

We were up at the crack of dawn on Day 14 for a sunrise long-tail boat tour during which we spotted a hornbill.

After a lazy morning at the lake house, we were whisked back across the lake to a transfer that took us to the town of Ao Nang for our final Thailand adventure.

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Ao Nang and the Islands: Days 15 to 19

The Krabi coast is where Thailand delivers on its postcard reputation: limestone cliffs dropping into turquoise water, long-tail boats pulling up to sugar white beaches, and plenty of crowds.

We stayed at Lux Family Villas in Ao Nang for three nights followed by two nights at Erewan Palms Resort on the island of Koh Phi Phi, a ninety-minute ferry ride from Krabi near Ao Nang.

Day 15: Khao Sok to Ao Nang

After arriving at Lux Family Villas on the outskirts of Ao Nang, we took the hotel’s complimentary shuttle down to the beach area. After the solitude of Khao Sok, Ao Nang’s beach scene was sensory overload.

We ate, shopped, watched the sunset, and returned to the villa for a dip in our private pool (unexpected bonus).

Day 16: Boat Trip to Railay Beach

We hopped on one of the many long-tail boats bobbing at the edge of the beach in Ao Nang for the short trip around the peninsula to car-free Railay Beach.

Gamboling monkeys, a lazy monitor lizard, and more sun than advisable made for a memorable day.

Day 17: Boat Trip to the Hong Islands

The full-day boat trip to the Hong Islands took us into scenic coves and to more stunning beaches.

At times, I felt a little bit like a herded cat at each stop. A better idea would be to  book a private long-tail boat tour so you can explore at your own pace. It will cost more than a group tour, but the added value will be worth it.

Day 18: Ferry to Koh Phi Phi

The ferry to Koh Phi Phi departed from the terminal in Krabi and took 90 minutes. We were dropped at the main port where we waited for about an hour for a smaller boat to take us to the Erewan Palms Resort, which is, like many of the resorts on Koh Phi Phi, accessible only by boat.

Day 19: All Day on Koh Phi Phi

Strong winds prevented a planned trip to Maya Bay so we had a relaxing day doing very little apart from taking the boat back to the port area to explore, walk along the beach, and enjoy a spectacular moon rise as a fitting end to our Thailand adventure.

For a full description of our time in southern Thailand, see Ao Nang and Koh Phi Phi: An Honest Guide to Southern Thailand.

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Bangkok and Home: Days 20 and 21

Day 20: Back to Bangkok

It took most of the day to travel from Koh Phi Phi back to Ao Nang on the ferry and from there to Krabi Airport to catch a flight to Bangkok.

Our last night was spent at a lovely hotel close to the airport complete with moonlit waterways (and more than a few mosquitoes).

Day 21: Home to Vancouver via Tokyo

We caught an early-morning flight to Tokyo and from there our flight to Vancouver to greet the January chill, tanned and tired.

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What I’d do differently

If you have less than a week in southern Thailand, as we did, skip Koh Phi Phi entirely and use those two days to further explore Ao Nang. Book a private long-tail boat for the day and explore the coast at your own pace. Spend more time on Railay Beach and explore sea caves.

Koh Phi Phi is gorgeous, but also takes quite a while to reach. We spent most of two days going and coming with only one day to enjoy the island.

 For the full post on southern Thailand, including practical notes on both Ao Nang and Koh Phi Phi: Ao Nang and Koh Phi Phi: An Honest Guide to Southern Thailand.

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Why Thailand Is Worth the Long Haul from North America

What I didn’t expect was how much Thailand rewards travelers in search of arts and culture.

Thai Buddhist art is one of the world’s greatest visual traditions, and it’s everywhere: in the temples of Bangkok and Chiang Mai, in the silk and silverwork of the hill tribe villages, in the way even a modest roadside shrine is constructed with aesthetic care.

The Jim Thompson House alone justifies a Bangkok trip for anyone interested in how cultures borrow from and transform each other.

Three weeks is enough to get a real sense of Thailand and also, not surprisingly, just enough time to make you want to come back for a longer stay.

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Practical Notes

Best time to go

January is ideal. It’s the dry season with manageable temperatures in the north, and the south is at its best. However, it is also high season so expect crowds, especially in the south.

Getting around

Domestic flights between Bangkok, Chiang Mai, and Surat Thani are inexpensive and easy to book. We booked flights on Air Asia and VietJet several months in advance.

Use Grab (the Southeast Asian ride-share app) to get around Bangkok and Chiang Mai. In the south, transfers are typically arranged through your accommodation.

Money

You’ll use cash a lot in Thailand. Carry plenty of baht for markets, restaurants, hill tribe payments, and national park areas. ATMs are widely available in cities.

Language

English is widely spoken in tourist areas. Learn how to say hello and thank you:

• Hello: Sawat dee kah for women and sawat dee khrup for men.
• Thank you: Khob Khun Kha for women and Khob Khun Khrup for men

Use these phrases every chance you get and you’ll be rewarded with even more smiles in a country known as the Land of Smiles.

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Do you have questions about my three-week Thailand itinerary? Drop them in the comments. And if you’re planning a Thailand trip, the individual destination posts provide considerably more detail about each stop.

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