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Cheap flights from Seoul to Bangkok

One-way from $116, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Mar 7Any priceMon, Mar 8$132Tue, Mar 9Any priceWed, Mar 10$116Thu, Mar 11Any priceFri, Mar 12Any priceSat, Mar 13Any priceSun, Mar 14Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$116
Thai Vietjet Air, flight VZ 851Found 4 days ago, 1 adult
Check live price
12:10pmSeoulWed, Mar 10
Travel time 6h 10m, nonstopICNBKK
4:20pmBangkokWed, Mar 10
$123
Thai Vietjet Air, flight VZ 851Found yesterday, 1 adult
Check live price
10:10amSeoulThu, Apr 22
Travel time 5h 50m, nonstopICNBKK
2:00pmBangkokThu, Apr 22
$124
Thai Vietjet Air, flight VZ 851Found 2 days ago, 1 adult
Check live price
10:10amSeoulFri, Apr 9
Travel time 5h 50m, nonstopICNBKK
2:00pmBangkokFri, Apr 9
$129
Thai Vietjet Air, flight VZ 851Found 2 days ago, 1 adult
Check live price
10:10amSeoulSat, Apr 3
Travel time 5h 50m, nonstopICNBKK
2:00pmBangkokSat, Apr 3
$130
Thai Vietjet Air, flight VZ 851Found 2 days ago, 1 adult
Check live price
10:10amSeoulThu, Apr 8
Travel time 5h 50m, nonstopICNBKK
2:00pmBangkokThu, Apr 8

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ThailandTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Bangkok, booked ahead at a fixed price.
    See options
  • Things to do in BangkokPopular tours from $13.36 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Thailand from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$16726$13927$16528$15529$13930$17431$153

November 2026

MoTuWeThFrSaSu1$1372$1623$1694$1585$1476$1457$1618$1559$15010$15511$16412$16713$16514$15515$15416$15217$15318$16219$17220$16921$14522$15423$15524$14325$15226$14727$15528$15329$15130$154

December 2026

MoTuWeThFrSaSu1$1542$1683$1744$1825$1446$1667–8$1549$18210$15411$15312$15913$17014$15415$15416$15417$15418$19019$18520$19221$18622$18623$1852425262728293031
$150 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 1, $137.

Lowest fares by month

In the fares found this week, March 2027 has the lowest: from $116 one-way, against $183 in January 2027. Pick a month to see its cheapest date.

  1. Oct$139
  2. Nov$137
  3. Dec$144
  4. Jan$183
  5. Feb$166
  6. Mar$116
  7. Apr$123
  8. May$136
  9. Jun$132
  10. Jul$133
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200OctNovDecJanFeb$116MarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$139Mon, Oct 261 stop
November$137Sun, Nov 11 stop
December$144Sat, Dec 51 stop
January 2027$183Thu, Jan 281 stop
February 2027$166Mon, Feb 22Nonstop
March 2027$116Wed, Mar 10Nonstop
April 2027$123Thu, Apr 22Nonstop
May 2027$136Sun, May 23Nonstop
June 2027$132Wed, Jun 30Nonstop
July 2027$133Thu, Jul 1Nonstop
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Bangkok. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$139$137$144$183$166$116$123$136$132$133––
High °C33°33°32°33°34°35°36°35°34°34°33°33°
Low °C25°25°23°23°25°26°27°27°26°26°26°25°
Precipitation mm289451224215193217199190227336

Source: Bangkok on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

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

In the fares found this week, March 2027 has the lowest: from $116 one-way, against $183 in January 2027.

What is the weather in Bangkok in March 2027?

In March 2027, the cheapest month to fly, the average daily high in Bangkok is 35 °C and the low 26 °C.

Are there direct flights from Seoul to Bangkok?

Yes. Recent fares include nonstop flights with Thai Vietjet Air, Trinity Airways, Jeju Air, Air Premia, Jin Air and Eastar Jet.

How long is the flight from Seoul to Bangkok?

A nonstop flight takes about 5h 50m. The distance is 2,277 mi.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of $160. Friday is the priciest at about $174.

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