• Highlights
  • Fine Print
  • Facilities
  • Location

About the Experience

Indulge in the best experience of authentic Japanese Spa with Let’s Relax Onsen Thonglor Bangkok! Feel the rejuvenating effects of the best Japanese bath in Bangkok at Let’s Relax Onsen and Spa Thonglor. This is a perfect onsen and spa experience for anyone looking to get away from the hustle of Bangkok and into an idyllic relaxing hot spring paradise. Book now to get special package rate with us.


  • Book your preferred time effortlessly to enjoy the best treatments at Let’s Relax Onsen
  • Received ‘Thailand’s Most Popular Day Spa‘ award and was featured in ‘Lonely Planet’
  • Experience 5 different types of Onsen baths enriched with powerful luxurious minerals
  • Nourish your body and revitalize yourself in their delightful spa treatments

What to Expect

Escape to a blissful environment on Sukhumvit of onsen baths in Bangkok, which are inspired by traditional Japanese bathing experience. Let’s Relax Onsen ans Spa Thonglor has created a Bangkok onsen experience featuring wide options of mineral bathtubs, sauna, steam, Hot Stone bed Bath and Cool Down Room. And an extended menu of massage and spa treatments that will pamper and indulge your mind and body.

visit let's relax onsen

▲ Marvel at the boutique design highlighting local signature and take advantage of hygienic facility

changing room let;s relax thonglor

▲ Professional masseuses and top of the line spa services will give you the rejuvenation you need

Let's Relax Spa THailand Bangkok

▲ Choose from a variety of spa packages and treatments that fit you

man enjoy onsen in bangkok by dealsee

▲ Receive top quality spa & onsen treatments in a clean and comfy environment

Enjoy with Let’s Relax Onsen Thonglor Bangkok

Located on the fifth floor of Grande Centre Point Hotel, Thonglor. Let’s Relax Onsen and Spa provides a hot bath enriched with powerful luxurious minerals that continuously protect, heal, and rejuvenate the body at the high level. This will keep your body and mind refreshed, relaxed and clean. Experience the best onsen in Bangkok for yourself now

Trust in Let’s Relax
  • Over 20 years experience in the Spa industry
  • Served more than 800,000 customers per year
  • Available in major tourist destinations
  • Recommended by many local and international travelers and media
  • Fully experienced & well-trained therapists
  • Always use natural spa products

Let’s Relax Onsen Thonglor Bangkok is ideal place for a perfect break with Japanese spa atmosphere. Just give in to the expertise of the spa’s professional therapists and feel your worries and troubles are gone.

In case you’re searching Most Awarded Spa Experience in Bangkok , Dealsee truly believe Let’s Relax Onsen and Spa Bangkok is perfect option for you to try.

Any Questions About Experience of  Let’s Relax Onsen Thonglor Bangkok?

Contact Us! We provide quick reply to our customers.








E-Ticket valid 30 days after purchasing

Booking Procedure

Please contact Dealsee via hotline or email at least one day in advance and mention Dealsee voucher number and preferred time.

Partner Details

You will receive confirmation of your booking instantly via email. In case you do not receive an email from us, please check your Spam folder or let us know via email or phone.

How to Use

Confirm with us Let’s Relax Spa preferred time and present E-Voucher upon arrival

Let’s Relax Onsen & Spa in Bangkok Cancellation Policy

Once ticket confirmed it’s Non-refundable


Person who appear intoxicated can be refused for service. In this case, no refunds will be return.

  • Thonglor

Telephone: +66 20428045 / E-mail: lrthonglor@siamwellnessgroup.com


Let’s Relax Onsen and Spa, Thonglor Road, Khlong Tan Nuea, Watthana, Bangkok, Thailand


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