3
Airlines
14×
Per week
฿15.9k
From (live)
viaTR
9.3h
Nonstop
Bangkok (BKK) → Sydney (SYD)
Bangkok
Suvarnabhumi Airport
DISTANCE
8 116 km
Sydney
Sydney Kingsford Smith Airport
Flight time is an estimate: great-circle distance with ~8% routing adjustment and ~45 min ground operations. Actual block time depends on the carrier, winds, and specific service (check the airline schedule).
Fare trend — last 8weeks
↑ up 7%Lowest one-way fare from weekly Travelpayouts snapshots. See methodology for how we collect this.
🇦🇺
SYD ·
- Country
- Australia
- Capital
- Canberra
- Currency
- AUD
- Visa (Thai passport)
- ETA / eVisitor required
- Audience
- High — Thai diaspora corridor (US/UK/JP)
When are fares cheapest?
Cheapest one-way fare actually found for each departure month — click a month to search.
Cheapest month to fly Bangkok to Sydney: December 2026, from ฿6,629 one-way.Based on 9 months of tracked fares · updated Aug 2, 2026
Compare carriers on this route
🇹🇭Thai Airways
TG
- Frequency
- 14× / week
- Baggage
- LCC (paid) +10
- Migrant program
- ✓
🇦🇺Qantas
QF
- Frequency
- 14× / week
- Baggage
- LCC (paid)
- Migrant program
- —
🇹🇼EVA Air
BR
- Frequency
- 14× / week
- Baggage
- LCC (paid)
- Migrant program
- —
Bangkok to Sydney is the main air link between Thailand and Australia’s largest city. The route carries holidaymakers in both directions, the substantial Thai community in Sydney and New South Wales visiting home and being visited, students, and business travellers.
Block time is around 9.3 hours on the nonstop services — long enough to plan around, short enough for a comfortable overnight. With around 14 flights a week and three carriers, the route is dependable, and demand swings clearly with the Australian and Thai holiday calendars.
Corridor profile
| Field | Detail |
|---|---|
| Route | Bangkok (BKK) → Sydney (SYD), Australia |
| Direct carriers | Thai Airways, Qantas and EVA Air |
| Frequency | ~14/week |
| Block time | ~9.3h |
| Traveller cluster | C (Thai diaspora / VFR) |
| Market low (cache) | ฿16,663 |
Airlines & baggage
| Airline | Alliance | Baggage | Migrant uplift | Hajj charter |
|---|---|---|---|---|
| Thai Airways (TG) | Star Alliance | 30 kg | +10 kg | yes |
| Qantas (QF) | Oneworld | 30 kg | — | — |
| EVA Air (BR) | Star Alliance | 30 kg | — | — |
Airlines on this route
Three carriers fly BKK-SYD nonstop: Thai Airways, Qantas and EVA Air, all full-service with checked baggage included. The choice comes down to schedule — day versus overnight departures — the cabin, and the frequent-flyer programme you use. With three direct operators competing, comparing them on your travel dates is worthwhile, as fares and timings differ enough to matter on a route of this length.
Monthly market-low pattern (THB)
| Month | Market low |
|---|---|
| 2026-07 | ฿12,515 |
| 2026-08 | ฿8,310 |
| 2026-09 | ฿7,942 |
| 2026-10 | ฿8,169 |
| 2026-11 | ฿7,797 |
| 2026-12 | ฿6,559 |
| 2027-01 | ฿11,348 |
| 2027-02 | ฿10,489 |
| 2027-03 | ฿8,819 |
Fare trends
BKK-SYD fares lift sharply around the Australian school holidays, the year-end period and the Thai breaks. For those peaks, ten to fourteen weeks of lead time is sensible. Outside them, a six-to-ten-week window usually finds a workable economy fare in THB, with the three carriers competing on price. The southern-hemisphere seasons run opposite to Thailand’s, which is worth keeping in mind when planning travel dates.
Seasonality & best time to book
Bangkok–Sydney fares move with demand. The cheapest windows fall outside school holidays, Songkran and New Year; book 4–8 weeks ahead for normal dates. As a migrant-worker corridor, demand rises around contract turnover and long holidays — book early.
About Sydney
Sydney is the largest city of Australia, built around one of the world’s great harbours, with the Opera House and Harbour Bridge as its landmarks and beaches within the city itself. It has a long-established Thai community, with Thai restaurants and businesses woven through several suburbs. For Thai travellers, Sydney is both a destination and a gateway to the rest of Australia. Remember that its seasons are reversed from Thailand’s — the Australian summer falls over the Thai cool season.
FAQ
Which airlines fly Bangkok to Sydney?
The BKK-SYD route is operated by Thai Airways, Qantas and EVA Air. Compare baggage, alliances and fares in the table above.
How long and how often is the BKK-SYD flight?
Block time is ~9.3h, with ~14 flights per week across all carriers.
When is BKK-SYD cheapest to book?
The cheapest fare in our cache is ~฿6,559. Book 4–8 weeks ahead; avoid Songkran, school holidays and peak season to save 15–30%.
Search live fares
Search BKK → SYD on Aviasales →
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