Bangkok is Asia's great budget crossroads — two airports, a wall of low-cost carriers, and cheap hops to every corner of the region, if you fly the green season and pick the right airport.
Bangkok has two airports, and the split matters. Suvarnabhumi (BKK) is the big international hub — Thai Airways, the full-service carriers and many long-haul routes; Don Mueang (DMK) is the low-cost fortress, home to Thai AirAsia, Thai Lion and Thai Vietjet, and usually the cheapest for the regional Asian map. Between them, almost nowhere in Asia is more than a cheap, short hop away.
The tracked fares below are real prices aifly has observed leaving Bangkok, cheapest first. The strengths are Southeast Asia (Kuala Lumpur, Da Nang, Penang), the Chinese cities, Japan and Korea, plus the Gulf hubs and the Indian Ocean. Learn the season, pick the airport, set an alert, and book to the target.
When fares from Bangkok actually drop
The cheapest stretch is the green season — roughly May to October, the warm, wetter low season when tourist demand falls and the low-cost carriers slash fares; September is the reliable low point. Avoid the cool-season peak (December to February), Thai New Year (Songkran in April) and the Chinese New Year window, all of which spike fares across the region. On the long-haul and the Japan/Korea routes, the shoulder months either side of the peaks are best.
Lead time matters: book the regional Asian hops 4–8 weeks out and the longer routes (Japan, Australia, the Gulf) around 45–60 days ahead, watching for the AirAsia and Vietjet flash sales, which are frequent and genuinely cheap. A little date flexibility on the budget carriers goes a long way.
Which airlines keep Bangkok cheap
Thai AirAsia is the floor-setter on the regional map — from Don Mueang it blankets Southeast Asia, southern China and India at rock-bottom fares — with Thai Lion and Thai Vietjet piling in. Bangkok Airways covers the boutique regional routes (and includes a lounge and a bag even on cheap fares, unusually), while Thai Airways anchors the full-service long-haul from Suvarnabhumi.
For the Gulf and onward — Muscat, Dubai, Abu Dhabi — the Gulf carriers compete hard and include a bag, and the Indian Ocean routes (Mauritius, Mahé) run on a mix of full-service operators. Bag math: AirAsia, Lion and Vietjet all sell strict no-bag base fares and weigh cabin bags hard — add the checked-bag fee before comparing, especially on a longer trip where Bangkok Airways or a Gulf carrier might come out ahead.
Getting to and from Bangkok's airports
From Suvarnabhumi (BKK), the Airport Rail Link is the smart move — it runs to Phaya Thai (connecting the BTS Skytrain and the city) in about 30 minutes for roughly 45 THB (around €1.20), beating Bangkok’s notorious traffic entirely. From Don Mueang (DMK) there’s no direct city rail; the A1 and A2 express buses run to the BTS at Mo Chit for about 30–50 THB, or a metered taxi (insist on the meter, plus tolls) gets you in.
The trap with Don Mueang is exactly that traffic — a “cheap” AirAsia fare can cost you an hour-plus in a taxi if the buses don’t suit, so factor the transfer. Whichever airport, avoid the unofficial taxi touts at arrivals and use the official metered-taxi rank or the train. The two airports are far apart, so confirm which one your flight uses.
Cheapest destinations from Bangkok right now
Good-price round-trip targets from aifly’s own tracked fares — “good price” means book at or below this; nothing here is invented or scraped from third parties. The live deal page for each route shows the current fare.
| Destination | Good price | Why go |
|---|---|---|
| Kuala Lumpur | €106 | Southeast Asia's most underrated capital — food, skyline and a cheap onward springboard across the region. |
| Danang | €124 incl. bag | Central Vietnam's beach city — gateway to Hoi An's lantern-lit old town and the Marble Mountains. |
| Penang | €129 | Malaysia's food capital — George Town's UNESCO streets, hawker stalls and a deep Peranakan culture. |
| Kolkata | €139 | India's intellectual and culinary capital — grand, chaotic and far less touristed than Delhi or Mumbai. |
| Osaka | €176 | Japan's kitchen — street food, castles and a friendlier, easier entry point than Tokyo for first-timers. |
| Shenzhen | €192 incl. bag | China's tech megacity next to Hong Kong — all skyline, electronics markets and frenetic energy. |
| Kunming | €201 incl. bag | China's 'spring city' in Yunnan — mild year-round and the gateway to the province's stunning landscapes. |
| Guangzhou | €205 incl. bag | South China's trading capital — Cantonese food at its source and a gateway to the Pearl River Delta. |
| Busan | €207 | South Korea's breezy port city — beaches, seafood markets and temples, a relaxed counterpoint to Seoul. |
| Okinawa | €230 | Japan's subtropical island chain — white-sand beaches, reefs and a distinct Ryukyu culture. |
| Perth | €273 | Western Australia's sunny capital — the closest Australian city to Asia and the gateway to the outback coast. |
| Muscat | €287 incl. bag | Oman's handsome, low-rise capital — forts, a grand mosque and the gateway to wadis and desert. |
| Dubai | €384 | The Gulf's showpiece city — beaches, gold souks and the world's busiest international hub for connections. |
| Abu Dhabi | €566 | The UAE capital — the Grand Mosque, Louvre Abu Dhabi and an Etihad hub for onward connections. |
| Mauritius | €784 | The Indian Ocean's lush volcanic island — lagoons, sugarcane hills and some of the planet's best beaches. |
| Mahe | €912 | The Seychelles' main island — granite peaks, jungle and some of the planet's best beaches. |
Frequently asked questions
What's the cheapest month to fly from Bangkok?
The green (low) season, roughly May–October, is cheapest, with September the low point. Avoid the cool-season peak (December–February), Songkran (April) and Chinese New Year, which spike fares across the region.
Which airline is cheapest from Bangkok?
Thai AirAsia is the floor-setter on the regional map (from Don Mueang), with Thai Lion and Thai Vietjet competing. Bangkok Airways is cheap-ish but includes a bag and lounge; Thai Airways anchors the full-service long-haul. Add a checked bag to the LCC fares before comparing.
Which Bangkok airport is cheaper to fly from?
Don Mueang (DMK) is the low-cost fortress (AirAsia, Lion, Vietjet) and usually cheapest for regional Asia; Suvarnabhumi (BKK) carries the full-service and long-haul. Factor that DMK has no direct city rail and traffic-bound transfers.
How do I get from Suvarnabhumi to central Bangkok cheaply?
Take the Airport Rail Link to Phaya Thai (connecting the BTS Skytrain) in about 30 minutes for roughly 45 THB (~€1.20), beating the traffic. From Don Mueang, the A1/A2 buses run to the BTS at Mo Chit for 30–50 THB.
Where can I fly cheaply from Bangkok right now?
The table above lists aifly's tracked good-price targets, cheapest first — Bangkok is strong on Southeast Asia (Kuala Lumpur, Da Nang, Penang), the Chinese cities, Japan and Korea (Osaka, Busan, Okinawa), the Gulf hubs, and the Indian Ocean.
Are the prices on this page guaranteed?
No — they're tracked good-price benchmarks (book at or below). Live fares move daily; the deal page for each route shows the current price. Treat the targets as your buy signal.
Seasons, carriers and airport details verified June 2026 and can change — confirm current conditions before you book.