ONESIAM x GRAB “Exclusive for International Tourist Only”

1 January 2025 – 31 December 2025

Make every day marvelous when getting to ONESIAM.

Special privileges for new users of Just Grab/Grab Car and Grab Premium/SUV users.

When traveling to Siam Paragon, Siam Center, Siam Discovery, ICONSIAM and Siam Premium Outlets Bangkok will receive

  • Transport promo
    • New users who apply ‘ONESIAMNEW’ get 25% off cap. 100 THB. Limit 2 times per user and Limit 100 rights per day for Just Grab/Grab Car, OR
    • All users who apply ‘ONESIAM’ get 25% off cap. 200 THB. Limit 2 times per user and Limit 100 rights per day for Grab Car Premium/Grab DriveYourCar, OR
    • All users (Airport ride) who apply ‘ONESIAM30’ get 30% off cap. 100 THB. Limit 3 times per user and Limit 300 rights per day for Grab Premium/ SUV.

Apply for ONESIAM Global Visitor Card. The only card you need for tourist promotions at Bangkok’s 6 premier malls ( Siam Paragon, Siam Center, Siam Discovery, ICONSIAM, and Siam Premium Outlets Bangkok ) Click here!

Access to Exclusive Global Visitor Discounts and Services 

  • Up to 80% discount in shopping 
  • Up to 5% discount in Gourmet Market,Paragon Department store, Discovery Selection, and Siam Takashimaya 
  • Up to 6% Vat refund
  • Touirst Promotions from 200+ participanting brands 
  • More exclusive privileges from partners
  • Free Wi-Fi

Terms and conditions for using discount codes from Grab.

  • ONESIAMNEW
    Enjoy! 25% cap. 100 THB off when having a comfortable ride with JustGrab/GrabCar
  1. New Users apply code ‘ONESIAMNEW’ and receive 25% cap. 100 THB on JustGrab/GrabCar service, limit 2 times per user.
  2. The promotion code is valid from 1 January 2025 to 31 December 2025.
  3. Limited 100 rights per day
  4. The promotion applies to JustGrab and GrabCar when going to/from ‘Siam Discovery,’ ‘Siam Center’, ‘Siam Paragon’, ‘ICONSIAM’, ‘Siam Premium Outlets’.
  5. Promotional offers cannot be combined with any other Grab promotions and cannot be changed or transferred to cash or other rewards.
  6. When using a discount for a ride, the consumer agrees to pay the remaining balance. If the discount amount exceeds the service fee, the difference cannot be converted into cash or used as a discount for future rides.
  7. Grab reserves the right to suspend service or promotion usage due to system errors or consumer account suspension without prior notice or compensation.
  8. Grab reserves the right to modify any terms and conditions of the co-marketing activity without prior notification. In the event of any dispute, Grab’s decision shall be deemed final.
  • ONESIAM
    Enjoy! 25% cap. 200 THB off when having a comfortable ride with GrabCar Premium/Grab DriveYourCar.
  1. All Users who apply code ‘ONESIAM’ Receive 25% cap. 200 THB on GrabCar Premium service, limit 2 times per user.
  2. The promotion code is valid from 1 January 2025 to 31 December 2025.
  3. Limited 100 rights per day.
  4. The promotion is applicable for GrabCar Premium and Grab DriveYourCar, when going to/from ‘Siam Discovery,’ ‘Siam Center’, ‘Siam Paragon’, ‘ICONSIAM’, ‘Siam Premium Outlets’.
  5. Promotional offers cannot be combined with any other Grab promotions and cannot be changed or transferred to be cash or other rewards.
  6. When using a discount for a ride, the consumer agrees to pay the remaining balance. If the discount amount exceeds the service fee, the difference cannot be converted into cash or used as a discount for future rides.
  7. Grab reserves the right to suspend service or promotion usage due to system errors or consumer account suspension without prior notice or compensation.
  8. Grab reserves the right to modify any terms and conditions of the co-marketing activity without prior notification. In the event of any dispute, Grab’s decision shall be deemed final.
  • ONESIAM30
    Enjoy! 30% cap. 100 THB off when having a comfortable airport ride with GrabCar Premium/Grab SUV.
  1. All Users who apply code ‘ONESIAM30’ Receive 30% cap. 100 THB on GrabCar Premium and Grab SUV service, limit 3 times per user.
  2. The promotion code is valid from 1 January 2025 to 31 December 2025.
  3. Limited 300 rights per day.
  4. The promotion is applicable for GrabCar Premium and Grab SUV, when going to/from ‘Airport’ in Bangkok. 
  5. Promotional offers cannot be combined with any other Grab promotions and cannot be changed or transferred to be cash or other rewards.
  6. When using a discount for a ride, the consumer agrees to pay the remaining balance. If the discount amount exceeds the service fee, the difference cannot be converted into cash or used as a discount for future rides.
  7. Grab reserves the right to suspend service or promotion usage due to system errors or consumer account suspension without prior notice or compensation.
  8. Grab reserves the right to modify any terms and conditions of the co-marketing activity without prior notification. In the event of any dispute, Grab’s decision shall be deemed final.

If you need any help with your promotion code, click https://help.grab.com/hc/th/115005941707.