10/10
One of the best hotels I have stayed at. The staff were fantastic!! Nat was the best. He arranged everything we needed!
Bangkok · head to head
The Siam vs Waldorf Astoria Bangkok
Priced on the same night, 2026-10-10: Waldorf Astoria Bangkok is $279 a night less. They are 5.6 km apart.
Book takes you to the exact room at that rate on HotelDupe's booking partner. Confirmation arrives by email; manage or cancel any time from Find your booking.
The honest take
Waldorf Astoria Bangkok is the better book here: cheaper at $352 versus $553, a 9.3 rating from 530 reviews against The Siam's unrated 108, and a stack of dining options including the 55th-floor Bull & Bear. The Siam counters with a riverside setting and a hot tub in every suite, but at that price and with so little review data behind it, it's a harder case to make. Both are five-star, but Waldorf Astoria backs its claims with volume and score.
The look and the feel
The Siam
The Siam sits on the Chao Phraya in the old Dusit area, a boutique property built around a collection of Thai antiques and art deco furniture rather than a standard hotel template. Rooms are individually decorated with working fireplaces and private indoor spa tubs, which is unusual enough to be the whole point of staying there. The pace is quiet and residential compared to the high-rise glamour of central Bangkok, with a riverside pool and a small, intimate restaurant scene rather than a sprawling one.
Travellers who want a quiet, design-led riverside retreat with the novelty of a private spa tub and fireplace in the room.
Waldorf Astoria Bangkok
Waldorf Astoria Bangkok occupies a slender glass tower on Ratchadamri Road facing Lumpini Park, all floor-to-ceiling windows and high ceilings pulling in light most Bangkok hotels keep out. The design leans toward polished, contemporary luxury rather than heritage pastiche, with six restaurants and bars anchored by Bull & Bear's steakhouse views from the 55th floor and Peacock Alley's afternoon tea in the lobby. It's a hotel built for a business and event crowd who want the address and the view as much as the room.
Travellers who want a central, view-driven high-rise with strong dining and proven guest satisfaction at a lower price.
Booking Waldorf Astoria over The Siam means giving up the hot tub and the riverside pool scene, and trading a boutique antique-filled property for a glass tower closer to the city's commercial core.
The Siam is the more characterful place to be, an intimate riverside house of antiques and fireplaces rather than another glass tower, even if Waldorf Astoria makes the stronger practical case.
The numbers
| The Siam | Waldorf Astoria Bangkok | |
|---|---|---|
| Price, same night | $644 | $365 |
| Guest rating | — | 9.3/10 |
| Reviews | 108 | 530 |
| Stars | ★★★★★ | ★★★★★ |
| Facilities on our list | 7 | 7 |
| Distance apart | 5.6 km |
What one has that the other doesn't
Only The Siam has
- Waterfront
Only Waldorf Astoria Bangkok has
- Hot tub
What guests actually say
The Siam
- attentive helpful butlers
- stunning decor and design
- private hotel boat rides
- slow hot water and door access
“I cannot recommend The Siam highly enough.”
Waldorf Astoria Bangkok
- spacious beautiful rooms
- convenient central location
- cleanliness
- slow service and communication
- limited food variety
“The rooms are very spacious and beautiful, and the hotel is conveniently located close to all the main attractions.”
The Siam's guests come away happier, repeatedly praising attentive staff and standout food, while Waldorf Astoria reviews note slow service and limited dining variety.
Rooms & rates, 2026-10-10
The Siam
- Siam SuiteBreakfast Included$638
- Siam Suite(1 King Bed)Breakfast Included$638
- Suite King Size BedBreakfast Included$692
Waldorf Astoria Bangkok
- King Deluxe RoomRoom Only · free cancellation$365
- Run of HouseRoom Only$365
- Run of HouseRoom Only · free cancellation$367
In guests' own words
The Siam
10/10
“Honeymoon approved ”
This Resort was absolutely amazing. The service was outstanding. It was our Honeymoon annd I anm so happy I picked this hotel. Our Butler Zul was so attentive and kind. He anticipated our needs and reserved the hotel boat for us to and from where we wanted to go and we felt so safe. The breakfast was some of the best food my husband and I have had and the afternoon tea was delightful. The pool was wonderful and entir
10/10
“Missing Siam already”
The hotel was amazingly beautiful and well appointed. We stayed in a villa and it was heaven. Our butler was so helpful in making arrangements for the hotel boat to take us to our activities and gave us great recommendations on this to do. We misses him and the rest of the friendly hotel team the minute we left!
Waldorf Astoria Bangkok
5/10
The rooms are very spacious and beautiful, and the hotel is conveniently located close to all the main attractions.
The service was very slow, and communication with the staff was quite difficult. The food options were also limited and lacked variety
About each
The Siam
Luxurious Spa and Recreational Amenities Indulge in massages, body treatments, and facials at the spa. Enjoy the outdoor pool, sauna, and 24-hour fitness center for relaxation. Dining Options and Entertainment Savor Thai cuisine at Chon Restaurant or opt for 24-hour room service. Unwind at the bar/lounge, poolside bar, or coffee shop/cafe. Elegant…
Check-in — · Check-out 12:00 PM
Waldorf Astoria Bangkok
Luxurious Accommodation Waldorf Astoria Bangkok offers 171 spacious rooms and suites with high ceilings and floor-to-ceiling windows, providing plenty of natural light. Each room features an elegant bathroom with luxurious bath amenities, ensuring a comfortable stay. Gourmet Dining Experience With 6 on-site restaurants and bars, including the renowned Bull…
Check-in — · Check-out 12:00 PM
Facilities, in full
The Siam
- Elevator
- Fitness facilities
- Free airport transportation
- Supervised childcare/activities
- ATM/banking
- Shopping on site
- Conference space
- Library
- Free breakfast
- Safe-deposit box at front desk
- Free newspapers in lobby
- Porter/bellhop
- Express check-out
- Limo or town car service available
- Full-service spa
- Internet access in public areas - high speed
Waldorf Astoria Bangkok
- Fitness facilities
- WiFi available
- Free WiFi
- Parking
- Free Parking
- Non-smoking rooms
- Air conditioning
- Fitness center
- Swimming pool
- 24-hour front desk
- Restaurant
- Room service
- Family rooms
- Lift / Elevator
- Laundry
- Luggage storage
Where they are
3/2 Thanon Khao, Vachirapayabal, Bangkok, Bangkok, 10300151 Ratchadamri Road, Lumpini, Pathum Wan
More comparisons in Bangkok
Capella Bangkok vs Four Seasons Hotel Bangkok at Chao Phraya RiverCapella Bangkok vs The SiamCapella Bangkok vs The St. Regis BangkokCapella Bangkok vs The Peninsula BangkokFour Seasons Hotel Bangkok at Chao Phraya River vs The SiamFour Seasons Hotel Bangkok at Chao Phraya River vs The St. Regis BangkokFour Seasons Hotel Bangkok at Chao Phraya River vs The Peninsula BangkokThe Siam vs The St. Regis Bangkok
Rates are live for 2026-10-10, one night, two guests, fetched together so the two are comparable. Facilities and reviews are from each hotel's own listing. The honest take is written by our AI from the listing, the reviews and what is widely known about each hotel. HotelDupe earns a commission if you book, which never changes the verdict. All comparisons