Cheap flights from Sydney to Bangkok from $266 SYD, WSI → BKK, DMK

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $412 to $554.

At $1,232, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold 17-night return fares on 1 other departure date within 3 days of 17 Dec, and it is not cheaper.

Every date we hold

380 fares on 19 departure dates

Which month looks cheapest?

May 2027 is the cheapest month — from $526.

Found recently, and the cheapest we hold

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $219 to $307.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 27 Jul 2027 to compare.

Every date we hold

91 fares on 6 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $257.

Return

The cheapest fares were 7 to 13 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 60 to 89 days before departure were typically 10% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (48 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Sydney to Bangkok?

The cheapest return found recently is $1,232 with China Eastern, 17 Dec to 3 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $526 with Vietjet, 9 May 2027 to 22 May 2027, found 7 days ago. The cheapest return fare on each of 19 departure dates is usually $647 to $1,217.

How much is a one-way flight from Sydney to Bangkok?

The cheapest one-way found recently is $266 with Scoot, 27 Jul 2027, found 3 days ago. The cheapest one-way we hold, of any age, is $257 with Scoot, 19 Jan 2027, found 4 days ago. The cheapest one-way fare on each of 6 departure dates is usually $266 to $289.

What is the cheapest month to fly from Sydney to Bangkok?

May 2027 is the cheapest month for a return, from $526, 9 May 2027 to 22 May 2027, found 7 days ago. January 2027 is the cheapest month for a one-way, from $257, 19 Jan 2027, found 4 days ago.

How far ahead should I book a flight from Sydney to Bangkok?

In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 7 to 13 days before departure. In 48 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 10% lower than 0 to 6 days before departure.

Is there a direct flight from Sydney to Bangkok?

Yes, the cheapest nonstop return found recently is $1,913 with THAI Airways, 16 Dec to 3 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $468 with Bangkok Airways, 27 Jul 2027, found 3 days ago.

Every nonstop date from Sydney to Bangkok

How long is the flight from Sydney to Bangkok?

The cheapest nonstop one-way found recently, with Bangkok Airways on 27 Jul 2027, takes 9 h 50 min from Sydney (Kingsford Smith) Airport (SYD) to Suvarnabhumi Airport (BKK). The cheapest one-way found recently, with Scoot on 27 Jul 2027, takes 14 h 30 min with 1 stop.

Which airlines have the cheapest flights from Sydney to Bangkok?

Between 13 Nov and 23 Jun 2027, China Eastern has the cheapest return on 8 of the 19 departure dates we hold, Scoot on 4 and Hainan Airlines on 2. Between 19 Jan 2027 and 28 Oct 2027, Scoot has the cheapest one-way on 3 of the 6 departure dates we hold, Vietjet on 2 and Hainan Airlines on 1.