Getting to Thailand — Flights, Routes & Arrival

Thailand is an easy long-haul from the UK if you treat “easy” as a competitive airline market, not a short hop. Bangkok’s Suvarnabhumi (BKK) is the main international door. Don Mueang (DMK) is the low-cost door. They are not interchangeable. Confirm which code is on the ticket before you book the hotel.

Entry is a separate page: Visa & entry. The short version for August 2026: UK 60-day exemption still stamping, 30-day rollback approved not gazetted, TDAC, passport six months.

From the United Kingdom

Direct

British Airways and Thai Airways operate London Heathrow (LHR) to Bangkok Suvarnabhumi (BKK). Flight time: about 11 hours 30 minutes outbound, about 12 hours back.

• British Airways: daily, typically 777. Economy return often lands in a £450–700 band off-peak; business £1,800–3,000 is the sort of range people quote — verify on the booking engine, not this sentence.
• Thai Airways: daily, 787 or A350. Comparable economy; the business cabin is the reason many people pick the star.

One-stop

The cheapest seats are usually one-stop via a Gulf or Istanbul hub:

• Emirates via Dubai (DXB): thick schedule, 2–4 hour layovers typical.
• Qatar via Doha (DOH): Hamad is the pleasant one. Often the least painful premium-economy.
• Etihad via Abu Dhabi (AUH): competitive fares.
• Turkish via Istanbul (IST): useful if you are starting from Manchester, Edinburgh, or Birmingham.
• Singapore Airlines via SIN: premium product; handy if you are continuing to the south.

Scoot (Singapore Airlines’ low-cost arm) has sold London–Singapore connecting toward Bangkok in economy from around £350 return on a good day. No frills. The price is the product.

Booking, without folklore

• Book 6–10 weeks ahead for ordinary economy. Flexible-date search on Skyscanner or Google Flights.
• December–January and July–August can cost 30–60% more. Shoulder months (May, June, September, October) are where the deals live — and where you must pick a coast correctly: When to visit, Which coast.
• A cheap ticket into BKK plus a separate domestic is often less than a through-ticket to Phuket or Chiang Mai. Samui (USM) is the expensive exception because Bangkok Airways owns the airport.

A Type O travel adapter belongs in the personal item. Packing.

Bangkok airports

Airport	Code	Who uses it	City transfer (typical)
Suvarnabhumi	BKK	Long-haul and most full-service	ARL ฿45, ~30 min to BTS Phaya Thai
Don Mueang	DMK	AirAsia, Nok, Thai Lion, some VietJet	Taxi/Grab; allow traffic
BKK ↔ DMK shuttle	—	When you booked the wrong pair	40–90 min; allow 3+ hours for a connection

Samui

~1h

Chiang Mai

~1h15

Phuket

~1h20

Krabi

~1h20

Chiang Rai

~1h30

Suvarnabhumi (BKK)

Primary international airport, about 30 km east of the centre. Currency, SIM kiosks (airside and landside), Wi-Fi, food courts, and the Airport Rail Link.

Into the city:

• Airport Rail Link (ARL): ฿45, about 30 minutes to BTS Phaya Thai. Runs roughly 06:00–midnight. The boring, correct choice.
• Official taxi queue (Level 1): often ฿200–400 to central Bangkok, 40–90 minutes in traffic. Meter. Add ฿50 airport surcharge and tolls (฿25–75). Ignore the laminated tout.
• Grab: often ฿250–500. Designated pickup.
• Pre-booked car: ฿1,000–2,500 if you want the sign with your name.

Don Mueang (DMK)

Older airport, about 24 km north. Budget carriers. If you land international at BKK and “connect” domestic at DMK, that is a city transfer, not a transit corridor. Free shuttle exists. Three hours is the minimum adult allowance.

Regional airports

Thailand’s domestic network is dense. Fares below are from-Bangkok starting points people quote, not a tariff.

Airport	Code	Serves	Typical flight from BKK
Phuket	HKT	Andaman	~1h20, from about ฿1,200
Chiang Mai	CNX	North	~1h15, from about ฿1,000
Ko Samui	USM	Gulf islands	~1h, from about ฿3,000*
Krabi	KBV	Ao Nang, Railay, Lanta	~1h20, from about ฿1,200
Hat Yai	HDY	Deep south	~1h30, from about ฿1,000
Chiang Rai	CEI	Golden Triangle	~1h30, from about ฿1,200
Surat Thani	URT	Budget door to Samui/Phangan	~1h, from about ฿800

\*Samui airport is privately owned by Bangkok Airways, which is why the fare looks like a different country. Budget alternative: fly Surat Thani, then bus/ferry. Koh Samui, Phuket, Krabi, Chiang Mai.

Andaman boats do not care about your connection if the swell is up. Similan season is closed about 16 May–14 October 2026. Which coast.

Overland

Thailand borders Malaysia, Cambodia, Laos, and Myanmar. Official crossings, not a forest path:

• Malaysia: Padang Besar (Perlis–Songkhla) by train or bus is the workhorse. Also Betong, Sungai Kolok, and ferry Langkawi–Satun.
• Cambodia: Aranyaprathet/Poipet (Siem Reap direction) is the busy one. Also Cham Yeam/Hat Lek (Ko Kong).
• Laos: First Friendship Bridge (Nong Khai–Vientiane). Chiang Khong/Huay Xai for the Mekong slow boat. Nakhon Phanom/Tha Khek.
• Myanmar: Mae Sot/Myawaddy is the accessible one when the border is in a mood to be accessible. Mae Sai/Tachileik (Golden Triangle) for day visits when permitted.

Land booths ask for onward tickets and funds more often than BKK. Multiple visa-exemption re-entries at land borders draw discretion. Visa & entry.

Next

Visa & entry, First week, Getting around, When to visit, Money and SIM.