Weight loss surgery that changes how much you eat and absorb
Gastric bypass creates a small stomach pouch and connects it directly to the small intestine, so you feel full on smaller meals and absorb fewer calories. It is a permanent change that needs lifelong vitamin supplements and regular blood tests. A bariatric surgeon and a specialist team assess your weight history, health and readiness for these changes to decide whether it is suitable.
When comparing gastric bypass clinics in Thailand, consider who performs the operation, which type of bypass is proposed and why, and how follow-up is organised after the operation. Flymedi helps you compare clinic options, with coordinators supporting enquiries as you plan your treatment journey.
Figures are ranges, not promises. Suitability needs an individual assessment by a doctor.
Each clinic sets its own price, so check what the price includes before comparing two of them.








Bangkok, Thailand · 15 clinic reviews
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Bangkok, Thailand
Speaks EN · TH




Bangkok, Thailand
Speaks EN · TH








Clinics are scored and ordered by Flymedi. How ranking works.
Patients treated through Flymedi, in their own words. Nothing loads or plays until you press play.
Deborah McElroy
Gastric bypass surgery
Spoken in EnglishSource: YouTube
Imre Fulop
Gastric bypass surgery
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Louren
Gastric sleeve
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Jacqueline Davies
Gastric sleeve
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Noel
Gastric sleeve
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Kimberley Pattern
Gastric sleeve
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Pam Gibson
Gastric sleeve
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Lee
Gastric sleeve
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Alex
Septoplasty
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Laura
Dental implants
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Clinics are scored from patient reviews and ordered by Flymedi. The facts behind each position are listed below. How ranking works.
| Rank | Clinic | FlymediScore | Lead doctor | Experience | From | Why it is ranked here |
|---|---|---|---|---|---|---|
| 1 | Asia Cosmetic Hospital | 9.5 | 1 doctor | Not listed | Price on request | 10 clinic reviews. |
| 2 | Kamol Cosmetic Hospital | 9.5 | 1 doctor | Not listed | Price on request | Most reviewed on this page (15 reviews). |
| 3 | Phyathai 2 International Hospital | Not listed | Nutthiwut Wattanaraksakul | 30 years | €18,400Treatment only | No reviews yet; ordered by listing priority. |
| 4 | Rattinan Medical Center | Not listed | Suthipong Treeratana | 31 years | €16,300Treatment only | Lowest listed price on this page. |
| 5 | Yanhee Hospital Health & Beauty | Not listed | 1 doctor | Not listed | Price on request | No reviews yet; ordered by listing priority. |
| 6 | Masterpiece Hospital | 9.5 | 1 doctor | Not listed | Price on request | 10 clinic reviews. |
Gastric bypass surgery is a well-established bariatric procedure that creates a small stomach pouch and reroutes part of the small intestine to help patients achieve significant, long-term weight loss. This procedure is intended for individuals with a BMI of 40+ or those with a BMI of 35-39.9 who suffer from obesity-related health conditions like diabetes, high blood pressure, or sleep apnea. Thailand has become a popular destination for international gastric bypass patients seeking good care at affordable prices, with experienced bariatric surgeons, JCI-accredited hospitals, and minimal waiting times compared to Western countries.
Thailand offers a strong combination of medical expertise and cost savings. The gastric bypass surgery cost in Thailand ranges from €8,000 to €14,000, a considerable saving compared to the US, UK, or Australia without compromising quality. Hospitals in Bangkok, Phuket, and Chiang Mai feature internationally trained surgeons with extensive experience in Roux-en-Y gastric bypass and mini gastric bypass procedures.
Patients benefit from comprehensive all-inclusive packages covering surgery, hospital stay, pre-operative tests, and recovery accommodation. Most patients lose a large part of their excess body weight within 18 months and see improvements in obesity-related conditions.
Thai hospitals offer both traditional Roux-en-Y and mini gastric bypass options, performed using advanced laparoscopic techniques for faster recovery. Most patients stay 2-3 days in hospital and 10-14 days total in Thailand for initial recovery and follow-up appointments.
Ready to take the next step? Scroll down to explore our clinics for gastric bypass surgery in Thailand.
For some individuals, traditional weight loss methods like diet and exercise may not be enough to achieve significant and lasting results. With global obesity rates nearly tripling since 1975, according to the World Health Organization, more people are seeking effective solutions. This has led to a rise in weight-related health conditions such as type 2 diabetes, heart disease, and high blood pressure. As a result, many are turning to modern medical treatments like bariatric surgery. For those seeking good care at an affordable price, traveling for gastric bypass surgery in Thailand has become an increasingly popular and viable option.
Choosing Thailand for your weight loss surgery journey offers a unique combination of medical excellence, affordability, and a serene recovery environment. You can access top-tier healthcare without the long waiting lists or prohibitive costs found in many Western countries.
When you choose Thailand for your procedure, you are not compromising on quality. The country is home to internationally accredited hospitals, particularly in cities like Bangkok and Phuket, that are equipped with modern technology. Surgeons in Thailand are highly skilled, often with credentials from international universities and years of specialized experience in bariatric surgery. The standard of care you will receive is comparable to what you would find in the UK, US, or Europe.
In many healthcare systems, doctor-patient interaction can feel rushed. In Thailand's leading hospitals, the focus is on you. Bariatric surgeons and their support teams take the time to understand your concerns, answer your questions, and provide personalized care. You can expect to be treated with respect and compassion throughout your journey, from the initial consultation to your post-operative follow-up appointments.
Safety is a primary concern for anyone considering surgery abroad. You will find that many hospitals offering gastric bypass in Thailand are accredited by renowned international bodies like the Joint Commission International (JCI). This accreditation reflects their commitment to international standards of safety and quality. Surgeons are highly experienced, ensuring your procedure is performed with precision and care.
In countries like the UK or Canada, the waiting time for bariatric surgery can span months or even years. In Thailand, this waiting period is significantly reduced. You can often schedule your procedure in a matter of weeks, allowing you to begin your weight loss journey sooner and take control of your health without unnecessary delays.
One of the most significant advantages of choosing Thailand is the affordability. The gastric bypass surgery cost in Thailand is considerably lower than in many Western nations. On average, you can expect the price to range from €8,000 to €14,000. This lower cost is not a reflection of lower quality but is due to the country's economic structure and lower operational expenses for medical facilities.
Many bariatric clinics in Thailand offer all-inclusive gastric bypass packages designed for international patients. While the specifics can vary, these packages typically include:
These comprehensive packages provide transparency and peace of mind, allowing you to focus completely on your recovery.
Gastric bypass surgery is a life-changing procedure and is not suitable for everyone. You are likely an ideal candidate for this weight loss surgery in Thailand if you meet the following criteria:
Taking the step to have surgery abroad requires careful planning. Here are the essential steps to ensure a smooth and successful experience.
Gastric bypass surgery, also known as Roux-en-Y gastric bypass, is a type of bariatric surgery designed to help you achieve significant and sustainable weight loss. The procedure works by altering your digestive system in two ways: first, it reduces the size of your stomach, which restricts the amount of food you can eat at one time. Second, it reroutes a portion of your small intestine, which limits the number of calories and nutrients your body can absorb. This combination makes it one of the most effective forms of obesity surgery in Thailand and worldwide.
Understanding the recovery process is key to preparing for your life after surgery. Your recovery from gastric bypass in Thailand will be a gradual process, and it's important to follow your surgeon's instructions carefully.
The procedure is typically performed laparoscopically, which involves small incisions and results in a faster recovery. Here is a step-by-step overview of what you can expect.
Your journey begins with a thorough consultation with your bariatric surgeon. During this meeting, you will discuss your medical history, weight loss goals, and the specifics of the procedure. Your surgeon will perform a physical examination and may order pre-operative tests to ensure you are a suitable candidate. This is the perfect time to ask any questions you have about the gastric bypass Thailand cost and the procedure itself.
In the weeks leading up to your surgery, you will be required to follow a specific pre-operative diet. This low-calorie, high-protein diet helps reduce the size of your liver, making the surgery safer and technically easier for the surgeon. You will also be instructed to stop taking certain medications, like blood thinners, and to cease smoking and alcohol consumption.
On the day of the procedure, you will be placed under general anesthesia. The surgeon will make several small incisions in your abdomen. Using specialized laparoscopic tools, the surgeon will first create a small stomach pouch, about the size of an egg, by stapling off the top portion of your stomach. Next, they will divide the small intestine and attach the lower part directly to the new stomach pouch. This rerouting bypasses the rest of the stomach and the upper portion of the small intestine.
After the surgery, you will spend 2-3 days in the hospital for monitoring. Your first follow-up appointment will typically occur within a week, before you are cleared to travel home. Your surgical team in Thailand will provide a detailed plan for long-term follow-up, which may include virtual consultations and coordination with your local doctor. Consistent follow-up is crucial for monitoring your nutritional health and weight loss progress.
The gastric bypass surgery cost Thailand offers significant savings without sacrificing quality. Here is a general comparison of average prices for the procedure in different countries.
Note: Prices are estimates and can vary based on the clinic, surgeon, and specifics of the package.
Like any major surgery, gastric bypass carries potential risks and side effects. It is important to discuss these with your surgeon. Possible side effects include:
Patients who commit to the necessary lifestyle changes typically lose a large part of their excess body weight within the first 12 to 18 months; the American Society for Metabolic and Bariatric Surgery publishes outcome data if you want the figures. Beyond weight loss, the surgery often leads to the significant improvement or resolution of obesity-related conditions like type 2 diabetes, hypertension, and sleep apnea.
Proper preparation is vital for a successful outcome. Your surgical team will provide detailed instructions, but general guidelines include:
Answers from the medical content team, reviewed by the medical reviewer named on this page.
The gastric bypass surgery price in Thailand typically ranges from €8,000 to €14,000, which is significantly more affordable than in the US, UK, or Australia.
It is generally safe at an accredited hospital. Thailand is home to numerous JCI-accredited hospitals with highly experienced surgeons and modern technology, ensuring patient safety and high standards of care.
Outcomes at accredited Thai hospitals are comparable to those at bariatric centres elsewhere. Patients typically lose a large part of their excess body weight and see improvements in obesity-related health issues; your surgeon can discuss what to expect in your case.
Research surgeons affiliated with internationally accredited hospitals in cities like Bangkok or Phuket. Look for board certifications, extensive experience, and positive patient reviews.
Most all-inclusive packages cover the surgery, hospital stay, surgeon's fees, pre-operative tests, airport transfers, and hotel accommodation for recovery.
Gastric bypass creates a small stomach pouch and reroutes the intestine, leading to both restriction and malabsorption. A gastric sleeve only removes a large portion of the stomach to restrict food intake. Your surgeon will help you decide which is better for you.
A mini gastric bypass is a simpler, quicker version of the traditional procedure with one fewer intestinal connection. It offers similar weight loss results but may have a slightly different risk profile, particularly regarding bile reflux.
You will stay in the hospital for 2-3 days and will need to remain in Thailand for about 10-14 days for initial recovery and follow-up. Full recovery takes several weeks.
Yes, many expert surgeons in Thailand perform revision bariatric surgery for patients who have had previous weight loss procedures with unsatisfactory results or complications.
It is typically a high-protein, low-calorie liquid or soft food diet for 2-3 weeks before surgery to reduce the size of your liver.
Yes, due to the changes in nutrient absorption, you will need to take daily vitamin and mineral supplements for the rest of your life to prevent deficiencies.
Yes, but it is recommended to wait at least 12-18 months after surgery before trying to conceive to ensure your weight is stable and your body is receiving adequate nutrition.
Both countries are well-established medical tourism destinations. Thailand is known for its hospitality and its JCI-accredited hospitals. Turkey is geographically closer for Europeans and often has lower prices. The choice depends on your personal preference, budget, and travel convenience.
Pros include significant cost savings, high-quality medical care, minimal waiting times, and a beautiful recovery destination. The main con is the distance and travel time for patients from North America or Europe.
Some hospitals and medical tourism agencies offer payment plans or financing options to help you manage the cost of the procedure. Inquire directly with your chosen provider.
Written by Kubilay Aydeger, Expert Medical Content Writer at Flymedi. Medically reviewed by Assoc. Prof. Muhammed Zübeyr Üçüncü. Content updated 3 September 2026. Next scheduled review 3 September 2027.
This page is general information, not personal medical advice. It does not diagnose you and it does not replace an individual assessment by a doctor who has examined you.
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