Cheap flights from Bangkok to Seoul
One-way fares from $126, found recently by travellers. Plus what 5 days in Seoul costs once you land.
Cheapest dates we found
- 4 Sep2027BKK → ICNThai VietJet · Non-stop · 5h 35m$126one way
- 28 Oct2026DMK → ICNThai AirAsia · 1 stop · 6h 10m$135one way
- 19 Oct2026DMK → ICNThai AirAsia · 1 stop · 6h 15m$137one way
- 20 Oct2026DMK → ICNThai AirAsia · 1 stop · 6h 15m$138one way
- 29 Oct2026DMK → ICNThai AirAsia · 1 stop · 6h 15m$138one way
- 18 Oct2026DMK → ICNThai AirAsia · 1 stop · 6h 15m$139one way
- 26 Apr2027BKK → ICNThai VietJet · Non-stop · 5h 35m$140one way
- 27 Apr2027BKK → ICNThai VietJet · Non-stop · 5h 35m$140one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Lowest fare by month
Lowest one-way fare seen for each month. Months with no price had no recent searches.
Airlines on this route
Recent cheap fares were with Thai VietJet, Thai AirAsia, T'way Air. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Seoul
April to May (spring) and September to November (autumn). Summers are hot and humid; winters are very cold.
Money-saving tips for Seoul
- Get a T-money card for the subway and buses; transfers within 30 minutes are discounted.
- Eat at markets like Gwangjang and in basement food courts of department stores.
- Many palaces are free if you wear hanbok (traditional dress), which you can rent nearby.
Questions
How much is a flight from Bangkok to Seoul?
The cheapest one-way fare we found recently was $126 with Thai VietJet on 4 Sep 2027. Most of the fares we saw were between $126 and $140 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from Bangkok to Seoul?
The quickest flight in our recent results took 5h 20m non-stop.
Are there direct flights from Bangkok to Seoul?
Yes. Thai VietJet, T'way Air had non-stop fares in our recent results, from $126.
What is the cheapest month to fly from Bangkok to Seoul?
In our recent results, September had the lowest fare ($126 one way). This is based on prices other travellers found, not a forecast.
How much money do I need for 5 days in Seoul?
About $280 for one backpacker, or $1,220 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $252 per person for a return flight from Bangkok.
More flights from Bangkok
- Return: Seoul → Bangkok
- Bangkok → Hong Kong
- Bangkok → Taipei
- Bangkok → Tokyo
- Bangkok → Osaka
- All flights from Bangkok
Fly to Seoul from
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Hanoi
- Ho Chi Minh City
- Da Nang
- Siem Reap
- Hong Kong
- Taipei
- Tokyo
- Osaka
- Jakarta
- Manila
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.