The Siam Hotel prices, month by month
Across the next twelve months, a night at The Siam Hotel costs from about €523 in May to €1,093 in June. April and September are nearly as cheap as May. A 109% swing makes timing the biggest factor in what you pay.
Over the year a night here averages €779, about 22.5 times the price of the typical hotel in Bangkok. None of the 1,893 hotels we track in Bangkok costs more.
- Cheapest month
- May €523
- Most expensive month
- June €1,093
- Average night (12 months)
- €779
- Cheapest night found
- €501 (15 May 2027)
- vs. typical hotel in Bangkok
- +2,153%
The Siam Hotel: nightly price by month
- Cheapest month: May, about €523 a night on average
- Most expensive month: June, about €1,093 a night on average
- Lowest price we found: €501 for the night of 15 May 2027
- Saturday nights cost about 12% more than Tuesday nights
Pick a month to check today's price for its cheapest date.
Averages of real one-night prices for two adults on Agoda, a Tuesday and a Saturday in each month, last checked 11 November 2026. In euros; the final price is shown before you book.
Month by month
| Month | Average | Tuesday | Saturday | Lowest | Typical hotel in Bangkok | Difference |
|---|---|---|---|---|---|---|
| December | €707 | €553 | €862 | €553 (15 December) | €34 | +1,979% |
| January | €629 | €576 | €682 | €576 (12 January 2027) | €34 | +1,750% |
| February | €896 | €885 | €907 | €885 (9 February 2027) | €35 | +2,460% |
| March | €576 | €576 | €576 | €576 (9 March 2027) | €34 | +1,594% |
| April | €544 | €544 | €544 | €544 (13 April 2027) | €35 | +1,454% |
| May | €523 | €544 | €501 | €501 (15 May 2027) | €33 | +1,485% |
| June | €1,093 | €1,093 | €1,093 | €1,093 (15 June 2027) | €34 | +3,115% |
| July | €1,093 | €1,093 | €1,093 | €1,093 (13 July 2027) | €35 | +3,023% |
| August | €1,093 | €1,093 | €1,093 | €1,093 (10 August 2027) | €35 | +3,023% |
| September | €544 | €544 | €544 | €544 (14 September 2027) | €35 | +1,454% |
| October | €819 | €544 | €1,093 | €544 (12 October 2027) | €35 | +2,240% |
| November | €834 | – | €834 | €834 (14 November) | €36 | +2,217% |
Average of one-night stays for two adults, in euros. Difference: this hotel against the typical hotel in Bangkok in the same month. –: no price found for that day in that month.
Cheapest dates to stay
The cheapest night we found was €501, checking in on 15 May 2027. Against other hotels in Bangkok, the gap to the typical hotel is smallest in April (+1454%).
Weekend or weekday?
Saturday nights cost about 12% more than Tuesdays here, so staying midweek is the easiest way to save.
Prices at hotels nearby
Hotels within 2.5 km whose prices we also check: what they cost in May and on average across the year.
-
The Siam Hotel ★★★★★€523year avg €779 -
Tara Bangkok Riverside prices by month ★★★★ · 9.0 · 300 m · cheapest in March · compare€81year avg €76 -
The Royal River Hotel prices by month ★★★★ · 8.5 · 560 m · cheapest in December · compare€60year avg €57 -
UMA Residence prices by month ★★★ · 8.5 · 810 m · cheapest in December€19year avg €20 -
Anwari Hotel prices by month ★★★★ · 9.4 · 1.0 km · cheapest in May · compare€17year avg €21 -
The Cozy 77 - No Parking prices by month ★★★ · 9.2 · 1.0 km · cheapest in December€34year avg €35 -
Sawatdee Guesthouse the Original prices by month 8.5 · 1.1 km · cheapest in February€12year avg €13
The Siam Hotel prices: FAQs
When is The Siam Hotel cheapest?
In May, at about €523 a night on average. April and September come close.
What is the most expensive month at The Siam Hotel?
June, July and August, at around €1,093 a night.
What is the price per night at The Siam Hotel?
About €779 on average over the year, from €523 to €1,093 depending on the month. The lowest we found was €501.
Is The Siam Hotel more expensive at weekends?
Yes. A Saturday night costs about 12% more than a Tuesday.
Is The Siam Hotel expensive for Bangkok?
Yes, it is above the local average: €779 a night over the year, about 22.5 times the price of the typical hotel in Bangkok.
Where do these prices come from?
We ask Agoda for the price of a one-night stay for two adults on a Tuesday and a Saturday in each of the next twelve months, and repeat the check every two to three weeks. Monthly figures are averages of those nights, in euros, last checked 11 November 2026. Taxes and fees can differ between booking sites; the final price is always shown before you book.