$133 Cheap Flights from Bangkok (BKK) to Seoul (SEL)

View $133 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Seoul

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Cheap Flights from Bangkok to Seoul (BKK-SEL)

Prices were available within the past 7 days and start at $133 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Fri, Oct 3 - Sat, Oct 18
BKK
Bangkok
ICN
Seoul
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Fri, Oct 3 from Bangkok to Seoul, returning Sat, Oct 18, priced at $231 found 1 hour ago
Asiana Airlines
Fri, Oct 3 - Mon, Oct 13
BKK
Bangkok
ICN
Seoul
$233 Roundtrip, found 7 hours ago
$233
Roundtrip
found 7 hours ago
Select Asiana Airlines flight, departing Fri, Oct 3 from Bangkok to Seoul, returning Mon, Oct 13, priced at $233 found 7 hours ago
T'Way Air
Wed, Sep 3 - Sat, Sep 13
BKK
Bangkok
ICN
Seoul
$234 Roundtrip, found 1 hour ago
$234
Roundtrip
found 1 hour ago
Select T'Way Air flight, departing Wed, Sep 3 from Bangkok to Seoul, returning Sat, Sep 13, priced at $234 found 1 hour ago
Hong Kong Airlines
Fri, Nov 21 - Fri, Dec 5
BKK
Bangkok
ICN
Seoul
$238 Roundtrip, found 9 hours ago
$238
Roundtrip
found 9 hours ago
Select Hong Kong Airlines flight, departing Fri, Nov 21 from Bangkok to Seoul, returning Fri, Dec 5, priced at $238 found 9 hours ago
Shandong Airlines
Sat, Sep 6 - Sat, Sep 13
BKK
Bangkok
ICN
Seoul
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select Shandong Airlines flight, departing Sat, Sep 6 from Bangkok to Seoul, returning Sat, Sep 13, priced at $251 found 1 hour ago
Asiana Airlines
Fri, Oct 3 - Sat, Oct 11
BKK
Bangkok
ICN
Seoul
$251 Roundtrip, found 3 hours ago
$251
Roundtrip
found 3 hours ago
Select Asiana Airlines flight, departing Fri, Oct 3 from Bangkok to Seoul, returning Sat, Oct 11, priced at $251 found 3 hours ago
Air Premia
Mon, Sep 8 - Mon, Sep 15
BKK
Bangkok
ICN
Seoul
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select Air Premia flight, departing Mon, Sep 8 from Bangkok to Seoul, returning Mon, Sep 15, priced at $283 found 1 day ago
Thai Vietjet
Tue, Oct 28 - Fri, Oct 31
BKK
Bangkok
ICN
Seoul
$289 Roundtrip, found 4 hours ago
$289
Roundtrip
found 4 hours ago
Select Thai Vietjet flight, departing Tue, Oct 28 from Bangkok to Seoul, returning Fri, Oct 31, priced at $289 found 4 hours ago
Scoot
Tue, Sep 16 - Mon, Sep 22
BKK
Bangkok
ICN
Seoul
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select Scoot flight, departing Tue, Sep 16 from Bangkok to Seoul, returning Mon, Sep 22, priced at $310 found 3 days ago
Hahn Air Systems
Fri, Oct 24 - Fri, Oct 31
BKK
Bangkok
ICN
Seoul
$327 Roundtrip, found 3 hours ago
$327
Roundtrip
found 3 hours ago
Select Hahn Air Systems flight, departing Fri, Oct 24 from Bangkok to Seoul, returning Fri, Oct 31, priced at $327 found 3 hours ago

Find the cheapest month to fly from Bangkok (BKK) to Seoul (SEL)

September is typically the cheapest month to fly

From $211 - $400 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $234
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $234
Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $416
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $416
Flights from Bangkok (BKK) to Seoul (ICN)
Origin airport
Suvarnabhumi Intl.
Destination airport
Incheon Intl.
Roundtrip price
$230
Distance
2277 mi

Bangkok to Seoul Flights

The cheapest times to fly from Bangkok to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Seoul are during the month of October. You can find some of the cheapest flights from Bangkok to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Seoul

Sunday is one of the best days to book for cheap flights from Bangkok to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $133 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much is a flight from Bangkok Airport to Seoul (SEL-All Airports)?
Start packing your bags, because round-trip journeys from Suvarnabhumi Intl. Airport (BKK) to Seoul (SEL-All Airports) start from $231. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BKK to Seoul (SEL-All Airports)?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Suvarnabhumi Airport to Seoul (SEL-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Suvarnabhumi Airport to Seoul (SEL-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BKK to Seoul (SEL-All Airports)?
The flight distance from Bangkok Airport to Seoul (SEL-All Airports) is 2300 mi. Pack yourself a drink, a few snacks and a few good podcasts. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Seoul (SEL-All Airports)?
You have a wide array of choices when flying from Bangkok Airport to Seoul (SEL-All Airports). Book your seat today with one of these reputable carriers:

  • Korean Air - (KE) with 121 monthly flights
  • Thai Airways International - (TG) with 91 monthly flights
  • Jeju Air - (7C) with 60 monthly flights
  • Thai AirAsia X - (XJ) with 43 monthly flights
  • Jin Air - (LJ) with 30 monthly flights
  • TWay Air - (TW) with 30 monthly flights

Are Suvarnabhumi Airport to Seoul (SEL-All Airports) flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it's no sure thing. While last-minute deals between Bangkok Airport and Seoul (SEL-All Airports) are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers advertise their prices up to a year prior to the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to pounce when the price dips.

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*Available to One Key members.