Thailand

Thailand is Southeast Asia's most visited country and a major aviation hub connecting Asia, Europe, and Oceania. The country offers everything from beach resorts to ancient temples to modern megacity experiences—all at prices that attract millions of travelers annually.

Bangkok has two airports: Suvarnabhumi (BKK), the main international hub, and Don Mueang (DMK), the low-cost carrier base. This dual-airport system confuses many first-time visitors—always confirm which airport your flight uses.

Thai Airways operates from Suvarnabhumi as the flag carrier, but Thailand's aviation story is increasingly about low-cost carriers. Thai AirAsia and Thai Lion Air have made domestic and regional travel remarkably affordable.

Bangkok's Two Airports

Critical: Bangkok has two major airports that are 35 km apart (1-2 hours by road in traffic). Always verify which airport you're using:

Airport	Code	Role	Airlines
Suvarnabhumi	BKK	Main international hub	Thai Airways, most full-service carriers
Don Mueang	DMK	Low-cost hub	AirAsia, Nok Air, Thai Lion Air

Suvarnabhumi (BKK) — Thailand's primary airport, opened 2006. Modern single terminal with two concourses. Thai Airways hub with extensive international connections. Airport Rail Link runs to city center (30 min to Phaya Thai, connecting to BTS Skytrain).

Don Mueang (DMK) — Bangkok's original airport, now dedicated to low-cost carriers. Two terminals: T1 (international LCCs) and T2 (domestic). Connected to city by SRT Red Line commuter rail (30 min to Bang Sue). No direct rail link to BKK—transfer between airports takes 1-2 hours.

Connecting between BKK and DMK: Free shuttle bus operates between airports (allow 2+ hours during traffic). Not recommended for same-day connections with different airlines.

Beach Destinations

Airport	Code	Destination	Notes
Phuket	HKT	Phuket	Thailand's busiest resort airport
Samui	USM	Koh Samui	Bangkok Airways monopoly, premium prices
Krabi	KBV	Krabi, Ao Nang, Koh Lanta	Southern Andaman coast
Surat Thani	URT	Koh Samui, Koh Phangan	Ferry connection required
U-Tapao	UTP	Pattaya	Growing LCC alternative

Phuket (HKT) — Thailand's second-busiest airport with extensive international connections, especially from Europe, Middle East, and Australia. Single international terminal, domestic terminal nearby.

Samui (USM) — Privately owned by Bangkok Airways (built and operated by the airline). Only Bangkok Airways flies here. Beautiful open-air terminal, but flights expensive. Alternative: fly to Surat Thani + ferry.

Northern Thailand

Airport	Code	City	Role
Chiang Mai	CNX	Chiang Mai	Northern hub, international connections
Chiang Rai	CEI	Chiang Rai	Golden Triangle access
Mae Hong Son	HGN	Mae Hong Son	Scenic small airport

Chiang Mai (CNX) — Northern Thailand's main gateway. International flights from regional Asian cities plus domestic connections. Modern terminal, 15 minutes from city center.

Flag Carrier

Thai Airways (TG) — Thailand's flag carrier and Star Alliance member. Hub at Suvarnabhumi. Long-haul network to Europe, Australia, Asia, and the US (seasonal). Known for service quality but has faced financial challenges.

Major Low-Cost Carriers

LCCs dominate Thai domestic travel:

• Thai AirAsia (FD) — Largest LCC, Don Mueang base. Extensive domestic and regional network. Part of AirAsia group.
• Thai AirAsia X (XJ) — Long-haul low-cost arm. Don Mueang to Japan, Korea, Australia.
• Thai Lion Air (SL) — Don Mueang base. Indonesian-owned, domestic and regional.
• Thai Vietjet (VZ) — Suvarnabhumi base. Domestic and regional, Vietnamese-owned.
• Nok Air (DD) — Don Mueang hub. Domestic network, Thai-owned.

Full-Service Carriers

• Bangkok Airways (PG) — Boutique carrier based at Suvarnabhumi. Operates Samui airport. Regional network plus domestic. Good service, included bags/meals.
• Thai Smile (WE) — Thai Airways' regional subsidiary. Suvarnabhumi base. Better than LCCs, cheaper than Thai Airways.

International Airlines

Major carriers serving Thailand:

• Singapore Airlines, Cathay Pacific, EVA Air — Regional connections
• Emirates, Qatar Airways, Etihad — Middle East hubs
• Lufthansa, British Airways, Air France — European routes
• Korean Air, JAL, ANA — Northeast Asian connections
• Qantas, Jetstar — Australia routes

Visa-Free Access (Extended 2024)

Thailand significantly extended visa-free stays in 2024:

60 days visa-free for citizens of:

• USA, Canada, UK, EU/Schengen countries, Australia, New Zealand
• Japan, South Korea, Hong Kong, Singapore, Malaysia
• Brazil, Argentina, and many others (93 countries total)

30 days visa-free for some nationalities including India, China, Taiwan.

Visa on Arrival

Available for some nationalities not eligible for visa-free:

• Cost: 2,000 THB (~$55)
• Duration: 15 days
• Requirements: Passport, return ticket, accommodation, cash (10,000 THB individual / 20,000 THB family)
• Long queues common—apply online via Thailand E-Visa if available

TM6 Form (Abolished)

Thailand has eliminated the arrival/departure card (TM6) for air travelers. No more paper forms on the plane.

Extensions

Visa-free stays can be extended:

• 30-day extension: 1,900 THB at Immigration Bureau
• Apply at any Immigration office before visa expires

Passport Requirements

• Valid for at least 6 months
• At least 1 blank page for entry stamp
• Proof of onward travel may be requested

Official information: mfa.go.th

Domestic Flights

Flying is the fastest way to cover Thailand's distances:

Route	Flight Time	Frequency	Notes
Bangkok ↔ Phuket	1h 20m	30+/day	Heavy competition, cheap fares
Bangkok ↔ Chiang Mai	1h 15m	30+/day	Best flight deals in Thailand
Bangkok ↔ Samui	1h 10m	15+/day	Bangkok Airways only (expensive)
Bangkok ↔ Krabi	1h 25m	15+/day	Good LCC coverage
Chiang Mai ↔ Phuket	2h 00m	5+/day	Avoids Bangkok transfer

Booking tips:

• LCC fares from 500-1,500 THB ($15-45) if booked early
• Thai AirAsia often cheapest
• Bangkok Airways includes bags/meals but costs 2-3x more
• Always check which Bangkok airport (BKK vs DMK)

Trains

Thailand's rail network is slow but scenic:

• Bangkok-Chiang Mai: Overnight sleeper (12-14 hours), day trains available
• Bangkok-Surat Thani: Overnight sleeper for Samui/Phangan ferry connection
• Bangkok-Nong Khai: Northeast route, connects to Laos

Note: No high-speed rail yet (China-Thai project under construction). Trains are comfortable but much slower than flying.

Buses

Extensive long-distance bus network:

• VIP buses: 24 seats, reclines flat, recommended for overnight
• First Class: 32 seats, good comfort
• Government bus terminal in each major city
• Popular routes: Bangkok-Pattaya, Bangkok-Hua Hin, Bangkok-Chiang Mai

Ferries

Essential for island access:

From	To	Time	Notes
Surat Thani (Don Sak)	Koh Samui	1.5-2h	Multiple operators
Surat Thani	Koh Phangan	2-2.5h	Via Samui or direct
Phuket/Krabi	Koh Phi Phi	1.5-2h	Speedboat or ferry
Krabi	Koh Lanta	2h	Multiple departures

Combined tickets: Bus/train + ferry packages available from Bangkok

Local Transport

• BTS/MRT (Bangkok): Skytrain and Metro, efficient for central areas
• Grab: Southeast Asian Uber alternative, essential throughout Thailand
• Songthaews: Shared pickup trucks, local routes
• Tuk-tuks: Negotiate price before boarding, tourist premium
• Motorbike taxis: Fast but risky, for adventurous travelers

High Season (November-February)

Cool and dry—Thailand's best weather. Peak tourist season with highest prices and crowds. Book flights and hotels well ahead, especially December-January.

Hot Season (March-May)

Hottest months (35-40°C), especially April. Songkran (Thai New Year) in April brings water festivals and domestic travel surge. Good for beaches if you can handle heat.

Rainy Season (June-October)

Monsoon season. Afternoon downpours common but usually brief. Lower prices, fewer tourists. Good for:

• Northern Thailand (Chiang Mai receives less rain)
• Bangkok city exploration
• Diving on Gulf coast (Koh Samui, Phangan—opposite monsoon)

Regional Variations

Region	Best Time	Rainy Season
Bangkok/Central	Nov-Feb	May-Oct
Phuket/Andaman Coast	Nov-Apr	May-Oct (heavy)
Koh Samui/Gulf Coast	Dec-Aug	Sep-Nov (different monsoon)
Chiang Mai/North	Nov-Feb	Jun-Oct
Isan (Northeast)	Nov-Feb	May-Oct

Note: Gulf islands (Samui, Phangan, Tao) have opposite weather to Andaman coast—good when Phuket is rainy.

Cities

City	Airport	Known For
Bangkok	BKK/DMK	Temples, food, shopping, nightlife
Chiang Mai	CNX	Old Town, temples, trekking
Pattaya	UTP/BKK	Beaches, nightlife, golf
Chiang Rai	CEI	White Temple, Golden Triangle
Ayutthaya	BKK (1.5h)	Ancient ruins, UNESCO site

Beach Destinations

Destination	Airport	Character
Phuket	HKT	Largest resort island, varied beaches
Koh Samui	USM	Upscale resorts, palm-fringed beaches
Koh Phangan	USM (+ ferry)	Full Moon Party, quieter beaches
Koh Tao	USM (+ ferry)	Diving, backpacker vibe
Krabi/Ao Nang	KBV	Dramatic limestone, island-hopping
Koh Phi Phi	KBV/HKT (+ ferry)	Stunning scenery, party scene
Koh Lipe	HKT/Hat Yai (+ boat)	Remote, crystal waters

Islands Guide

Andaman Coast (West): Phuket, Phi Phi, Krabi, Lanta, Lipe. Best Nov-Apr.

Gulf Coast (East): Samui, Phangan, Tao. Best Dec-Aug (opposite season).

For diving: Koh Tao (cheapest certification), Similan Islands (liveaboards, Oct-May)

Money

• Currency: Thai Baht (THB, ฿)
• Exchange rate: Roughly 35 THB = $1 USD
• Cash: Still widely used, especially outside Bangkok
• Cards: Accepted at malls, hotels, tourist restaurants. Visa/Mastercard preferred
• ATMs: Everywhere, but charge 220 THB ($6) per foreign withdrawal. Withdraw large amounts
• Exchange: SuperRich and other licensed exchangers offer better rates than banks/airports

Connectivity

• Mobile: AIS, DTAC, TrueMove
• Tourist SIM: Available at airports, 7-Eleven. 300-500 THB for 7-15 days unlimited data
• eSIM: Airalo, Holafly work well
• WiFi: Good in hotels, cafes, malls. Many restaurants have WiFi

Electrical

• Voltage: 220V, 50Hz
• Plug types: A, B, C, O (mixed system)
• Adapters: Most outlets accept US (Type A/B) and European (Type C) plugs. Bring universal adapter to be safe

Health

• No required vaccinations for most travelers
• Recommended: Hepatitis A, typhoid if eating street food extensively
• Mosquitoes: Use repellent, especially at dawn/dusk. Dengue exists
• Water: Drink bottled water only (cheap, everywhere)
• Pharmacies: Boots and local pharmacies can provide most medications

Safety

Generally very safe for tourists:

• Petty theft exists in tourist areas—standard precautions
• Scams: Gem scams, tuk-tuk commission schemes, jet ski damage claims
• Traffic: Biggest danger. Be extremely careful crossing roads
• Full Moon Party: Drink spiking occurs—watch your drinks

Cultural Notes

• Monarchy: Extremely revered. Never disrespect the King or royal family (serious crime)
• Temples: Remove shoes, cover shoulders and knees
• Feet: Considered lowest part of body—don't point with feet, don't step over people
• Head: Don't touch people's heads (sacred)
• Wai: Traditional greeting—palms together, slight bow. Respond when greeted this way

Useful Apps

• Grab: Ride-hailing and food delivery (essential)
• Google Maps: Works well, includes BTS/MRT
• LINE: Popular messaging app in Thailand
• ViaBus: Bangkok bus routes
• Eatigo: Restaurant reservations with discounts

• Tourism: Tourism Authority of Thailand
• Visa: Thai MFA Visa Information
• E-Visa: thaievisa.go.th
• Suvarnabhumi Airport: suvarnabhumiairport.com
• Don Mueang Airport: donmueangairport.com
• Thai Airways: thaiairways.com
• Immigration: immigration.go.th