Cheap flights from Seoul to Bangkok

One-way fares from $131 · SEL → BKK · prices found by travellers in the last 48 hours

Cheapest fare
$131

Thai Vietjet Air · Mon, Mar 8

Cheapest month
March

from $131

Direct flights
Yes

Jin Air and Thai Vietjet Air

Flight time
5h 50m

3,720 km

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Cheapest month to fly from Seoul to Bangkok

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $152
  2. December 2026 $152
  3. January 2027 $177
  4. February 2027 $166
  5. March 2027 Cheapest $131
  6. April 2027 $131
  7. May 2027 $134
  8. June 2027 $136
  9. July 2027 $134

Cheapest dates in March 2027

The lowest fares we've seen for each day, cheapest first.

Thai Vietjet Air
Depart12:10 Mon, Mar 8ICN → BKK 6h 10m · Direct
$131one way, per person
View deal
Thai Vietjet Air
Depart10:10 Sun, Mar 28ICN → BKK 5h 50m · Direct
$131one way, per person
View deal
Thai Vietjet Air
Depart12:10 Sat, Mar 6ICN → BKK 6h 10m · Direct
$134one way, per person
View deal
Thai Vietjet Air
Depart12:10 Wed, Mar 3ICN → BKK 6h 10m · Direct
$135one way, per person
View deal
Thai Vietjet Air
Depart12:10 Thu, Mar 25ICN → BKK 6h 10m · Direct
$135one way, per person
View deal
Vietnam Airlines
Depart23:55 Tue, Mar 23ICN → BKK 6h 55m · 1 stop
$154one way, per person
View deal
Vietnam Airlines
Depart23:55 Wed, Mar 17ICN → BKK 6h 55m · 1 stop
$155one way, per person
View deal
Vietnam Airlines
Depart23:55 Fri, Mar 26ICN → BKK 6h 55m · 1 stop
$158one way, per person
View deal
See every date in March 2027 →

Plan the rest of your trip to Bangkok

Where to stay, what to do and getting around, from our travel partners.

About flights from Seoul to Bangkok

Seoul (SEL) and Bangkok (BKK) are about 3,720 km apart. Direct flights take around 5h 50m, and recent direct fares were with Jin Air and Thai Vietjet Air. Over the next few months, one-way fares start from $131, and March 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Seoul to Bangkok?

The cheapest one-way fare we've seen recently is $131 with Thai Vietjet Air, departing Monday, March 8, 2027. Over the coming months, the lowest fare in each month ranges from $131 to $177.

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

March 2027 currently has the lowest fares, from $131 one way.

Are there direct flights from Seoul to Bangkok?

Yes. Recent direct fares were with Jin Air and Thai Vietjet Air.

How long is the flight from Seoul to Bangkok?

A direct flight takes about 5h 50m. Seoul and Bangkok are around 3,720 km apart.

Which airlines fly from Seoul to Bangkok?

Recent fares on this route were with Vietnam Airlines, Shandong Airlines, Jin Air and Thai Vietjet Air.

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