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Bangkok: two room nights
Private hostel rooms: THB 1,200–2,500 (≈ US$36–75) nightly in Nomadic Matt’s 2026 guide. Confirm two-person occupancy and taxes.
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THB 2,400–5,000 (≈ US$70–150) for two nights
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Ayutthaya: one room night
Kantary’s 2026 net room tariff includes breakfast, service and VAT. Its east-side address needs rides to the island; availability is unconfirmed.
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THB 2,800 (≈ US$85) for a twin Studio
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Chiang Mai: three room nights
Kantary Hills’ twin Studio Suite, maximum two guests, includes breakfast, service and VAT through 31 October 2026. The Nimman example needs Old City rides.
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THB 9,300 (≈ US$280) for three nights
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Two one-way rail journeys
Planning allowance for two local-train tickets and two reserved northbound seats, including a fee reserve. Check the dated carriage and final fare with SRT.
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THB 2,000 (≈ US$60) for both adults
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Food and non-alcoholic drinks
For both adults across seven days, with four hotel breakfasts included in the room tariffs. Extra snacks or more expensive restaurants can exceed this allowance.
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THB 7,000–9,000 (≈ US$210–270) for two
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Arrival, station and local rides
Covers Bangkok airport arrival, station approaches, an Ayutthaya circuit, Doi Suthep and Chiang Mai airport departure. Allowance only; agree ride prices.
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THB 3,000–4,500 (≈ US$90–135) for two
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Admissions on the main plan
Palace and Wat Pho admission for both adults costs THB 1,600 (≈ US$50). The remaining allowance covers selected Ayutthaya and Chiang Mai sites; extra visits need more.
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THB 2,200 (≈ US$65) for two
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Six-night room subtotal
The three room examples total six nights. These are benchmarks, not a reserved package; island and Old City addresses may cost differently.
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THB 14,500–17,100 (≈ US$430–510) for two
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Chiang Mai: cool-season price
The November–December 2026 twin tariff adds THB 2,700 (≈ US$80) for three nights before holiday surcharges. Rebuild the trip total.
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THB 4,000 (≈ US$120) per room per night