Why it matters
When Thailand has a long weekend or festival, we travel too—domestic flights, buses, and beach resorts fill fast. Prices rise, traffic out of Bangkok can double travel time, and immigration at airports gets busier. If your dates overlap a holiday, treat it as peak season even in the “quiet” month on a weather chart.
Overview of culture and timing: Thailand facts overview, monthly guide.
Songkran (Thai New Year, mid-April)
Impact: Nationwide water festival (13–15 April core dates; many cities extend parties). Chiang Mai, Bangkok (Silom/Khao San), and beach towns draw huge crowds. Fun but chaotic—electronics need waterproof protection; respect locals who do not want to be soaked.
- Book accommodation and transport weeks to months ahead.
- Government offices and many banks closed on public holiday days.
- Driving and motorbike riding are especially dangerous—alcohol + water fights.
Full festival context: holidays & festivals — Songkran.
Loy Krathong & Yi Peng (usually November)
Impact: Loy Krathong follows the lunar calendar (often November). Chiang Mai’s Yi Peng sky lantern events attract global visitors—permits, zones, and flight restrictions apply in some years.
- Riverside hotels in Bangkok, Chiang Mai, and Sukhothai sell out early.
- Choose eco-friendly krathong (natural materials); avoid sky lanterns where banned.
- Airports near Chiang Mai may adjust flights during mass lantern releases—check airlines.
Western New Year & Chinese New Year
31 Dec – 2 Jan: Beach destinations and Bangkok countdown events peak; prices highest of the year in many hotels.
Chinese New Year (Jan/Feb, lunar): Strong travel in Bangkok Chinatown, Phuket, and Trang; dragon parades and family reunions—book Chinatown-area hotels early if that is your focus.
Booking tips
- Flights: book early; morning departures on the first holiday travel day are busiest at Don Mueang and Suvarnabhumi.
- Trains: State Railway Thailand sells out on long weekends—see domestic travel.
- Hotels: free cancellation windows help when holiday dates shift.
- Attractions: some temples still open; floating markets may adjust hours—confirm day-of.
- Insurance: covers trip delay if monsoon or crowds disrupt connections—see safety overview.
What closes and what stays open
| Usually closed or limited | Usually open |
|---|---|
| Government offices, immigration (except airport desks on schedule), many bank branches | 7-Eleven, malls, tourist restaurants, Grab, major hospitals |
| Some local markets (vendors travel home) | Tourist temples (modest dress); many museums |
| Alcohol sales in some provinces on specific Buddhist holidays | BTS/MRT in Bangkok (may run later on countdown nights—check announcements) |
Official holiday calendar by year: Thailand public holidays & festivals. For general crowd avoidance, compare best time by activity.
Sources & references
Content reviewed against the sources below on 24 May 2026. Rules, fees, and phone numbers can change—confirm critical details with official agencies before you travel.