Cheap flights from Bangkok to Seoul from $159 BKK, DMK → GMP, ICN

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 $243 to $325.

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

Could nearby dates be cheaper?

We hold no other 4-night return fares leaving within 3 days of 17 Apr 2027 to compare.

Every date we hold

433 fares on 29 departure dates

Which month looks cheapest?

July 2027 is the cheapest month — from $291.

Found recently, and the cheapest we hold

What have prices looked like?

Over 42 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $29 to $183.

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 19 Nov to compare.

Every date we hold

16 fares on 3 departure dates

Which month looks cheapest?

October 2027 is the cheapest month — from $139.

Return

Fares 180 or more days before departure were typically 8% lower than 0 to 6 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

Not enough history yet: in 42 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.

How much is a return flight from Bangkok to Seoul?

The cheapest return found recently is $299 with Air China, 17 Apr 2027 to 21 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $291 with Thai Vietjet Air, 2 Jul 2027 to 6 Jul 2027, found 5 days ago. The cheapest return fare on each of 29 departure dates is usually $309 to $343.

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

The cheapest one-way found recently is $159 with Eastar Jet, 19 Nov, found 4 days ago. The cheapest one-way we hold, of any age, is $139 with Thai Vietjet Air, 15 Oct 2027, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually $149 to $169.

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

July 2027 is the cheapest month for a return, from $291, 2 Jul 2027 to 6 Jul 2027, found 5 days ago. October 2027 is the cheapest month for a one-way, from $139, 15 Oct 2027, found 7 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 180 or more days before departure were typically 8% lower than 0 to 6 days before departure.

Is there a direct flight from Bangkok to Seoul?

Yes, the cheapest nonstop return found recently is $351 with THAI Airways, 3 Jun 2027 to 6 Jun 2027, found 2 days ago. The cheapest nonstop one-way found recently is $162 with Thai Vietjet Air, 19 Nov, found 4 days ago.

Every nonstop date from Bangkok to Seoul

How long is the flight from Bangkok to Seoul?

The cheapest nonstop one-way found recently, with Thai Vietjet Air on 19 Nov, takes 5 h 20 min from Suvarnabhumi Airport (BKK) to Incheon International Airport (ICN). The cheapest one-way found recently, with Eastar Jet on 19 Nov, takes 19 h 10 min with 1 stop, including a 12 h connection.

Which airlines have the cheapest flights from Bangkok to Seoul?

Between 22 Nov and 11 Oct 2027, Air China has the cheapest return on 15 of the 29 departure dates we hold, Vietnam Airlines on 6 and Thai Vietjet Air on 4. Between 19 Nov and 15 Oct 2027, Eastar Jet has the cheapest one-way on 1 of the 3 departure dates we hold, Hainan Airlines on 1 and Thai Vietjet Air on 1.