Thailand Visa RequirementsFor United Kingdom passport holders

UK citizens can enter Thailand visa-free for up to 60 days per visit. No visa application is required. Your British passport is sufficient at the border.

TDAC is mandatory: Since 1 May 2025, all travellers entering Thailand, including visa-exempt UK citizens, must complete a Thailand Digital Arrival Card (TDAC) online before arrival. The TDAC must be submitted through the official portal at tdac.immigration.go.th within 72 hours before your flight, land crossing, or sea entry. It is free of charge. Failure to complete the TDAC before arrival can result in delays at immigration.

60-day stay reducing to 30 days from April 2026: Thailand's Cabinet approved reducing the visa-free allowance from 60 days back to 30 days for UK citizens and 92 other nationalities, effective April 2026. If you are travelling after April 2026, verify the current stay allowance before booking.

Extension: While in Thailand, you can extend your stay once by 30 days at any Thai Immigration office for a fee of 1,900 THB. A second extension (maximum 7 days) is possible but strictly limited. Land and sea border entries are subject to a limit of 2 visa-exempt entries per calendar year.

Passport validity: Your passport must be valid for at least 6 months from your date of entry. One blank page required for the entry stamp.

Multiple airlines operate between the UK and Bangkok:

Non-stop: Thai Airways operates direct flights from London Heathrow (LHR) to Bangkok Suvarnabhumi (BKK). EVA Air also operates LHR to BKK non-stop. Flight time is approximately 11 hours 30 minutes. Norse Atlantic launched a low-cost London Gatwick (LGW) to Bangkok service in October 2025, operating around 4 flights per week from approximately £295 return.

Via connecting hubs: Qatar Airways (via Doha), Emirates (via Dubai), Etihad (via Abu Dhabi), and Turkish Airlines (via Istanbul) all operate popular one-stop services. Approximately 64 flights per week from London airports to Bangkok in total.

Airports: Bangkok has two airports. Most UK international flights land at Suvarnabhumi (BKK). Don Mueang (DMK) handles budget and some domestic services. Confirm your arrival airport when booking onward connections.

Thai ATMs are widely available but charge a foreign card fee of 220 to 250 THB (approximately £5) per withdrawal. This fee applies regardless of your UK bank.

DCC scam: Thai ATMs frequently prompt you to pay in GBP rather than THB, claiming to "protect" you from exchange rate uncertainty. Always choose THB. Accepting GBP conversion adds a hidden markup of 5 to 7% on top of the ATM fee.

Recommended approach: Use a Wise or Revolut card. Wise offers £200 per month in fee-free ATM withdrawals at the mid-market exchange rate. Revolut has no-fee withdrawals within monthly plan limits. Both eliminate your UK bank's foreign transaction fee.

Cash is still widely used at markets, street food stalls, tuk-tuks, temple entries, and smaller guesthouses. Carry a moderate amount of THB at all times even if you primarily pay by card in larger restaurants and hotels.

Currency: Thai Baht (THB). Exchange at airport exchange desks, banks, or licensed exchange booths (SuperRich and similar exchange chains in Bangkok offer excellent rates).

TDAC reminder: Complete your Thailand Digital Arrival Card at tdac.immigration.go.th within 72 hours before departure. This is the single most important pre-departure step for Thailand in 2025-2026.

Weather: November to February is the peak tourist season: dry, cooler (25 to 30°C), and ideal for most of Thailand. March to May is extremely hot (35 to 40°C). June to October is monsoon season with heavy and frequent rain, especially on the Andaman coast (Phuket, Krabi). The Gulf coast (Koh Samui, Koh Phangan) has its own monsoon pattern, peaking October to November.

Transport: The Grab app (equivalent to Uber) is the most reliable way to get around Bangkok and major cities at fixed prices; always preferable to negotiating with tuk-tuk or taxi drivers. Bangkok's BTS Skytrain and MRT metro cover central areas efficiently. A Rabbit Card (BTS) or stored-value card makes metro travel easier.

SIM cards: Available at both Bangkok airports from AIS, DTAC, and True Move H. Tourist SIMs with unlimited data for 15 to 30 days cost approximately £8 to £12. Highly recommended on arrival.

Dress code: Modest dress (shoulders and knees covered) is required at temples. Carry a light scarf or wrap for unexpected temple visits. Shoes must be removed before entering temples and some businesses.

Safety: Thailand is generally safe for tourists. Standard precautions apply regarding drink spiking in entertainment areas, gem scams (avoid approaching you near tourist sites), and transport overcharging.