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฿3,166+ Cheap flights to Seoul

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
16 Jun — 23 Jun1
1 adult

Flights to Seoul in 2025

Find the latest flights to Seoul in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 11 June 2025.

Return from

฿5,744

One-way from

฿3,166

Popular in

December

Cheapest in

June

Average price

฿7,931
Thai AirAsia X
  • Thai AirAsia X
  • 6/9-12/9
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Thai AirAsia X
  • Thai AirAsia X
  • 2/7
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Highest demand for flights based on searches. 13% potential increase in price (฿47,625 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (฿10,211 potential savings vs. average return price).
Average for return flights in June 2025

Find flight deals to Seoul

Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 11 June 2025.

Sat 6/902:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 12/911:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 11/6฿5,744
Sun 21/915:45BKK - ICN
1 stop12h 00mMultiple Airlines
Wed 24/910:05ICN - BKK
1 stop10h 00mMultiple Airlines
Deal found 10/6฿5,810
Mon 30/602:45DMK - ICN
Nonstop5h 35mMultiple Airlines
Tue 1/722:45ICN - DMK
1 stop15h 00mMultiple Airlines
Deal found 10/6฿6,626
Tue 8/702:50BKK - ICN
1 stop15h 55mShandong Airlines
Fri 11/711:45ICN - BKK
1 stop15h 40mShandong Airlines
Deal found 11/6฿7,050
Tue 16/922:20BKK - ICN
Nonstop5h 45mAir Busan
Sun 21/917:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 11/6฿7,442
Thu 26/601:30BKK - ICN
1 stop18h 00mไห่หนานแอร์ไลน์
Mon 30/622:35ICN - BKK
1 stop21h 40mไห่หนานแอร์ไลน์
Deal found 10/6฿7,474
Thu 3/714:00BKK - ICN
1 stop15h 55mVietJet Air
Wed 9/711:05ICN - BKK
1 stop27h 55mVietJet Air
Deal found 10/6฿7,703
Wed 25/622:55BKK - GMP
1 stop8h 10mMultiple Airlines
Tue 1/715:20GMP - BKK
2 stops11h 45mMultiple Airlines
Deal found 11/6฿7,833
Wed 9/700:05BKK - ICN
Nonstop5h 35mT'way Air
Mon 14/718:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 10/6฿8,127
Tue 17/601:10BKK - GMP
1 stop29h 10mJeju Air
Mon 23/619:40GMP - BKK
1 stop30h 30mJeju Air
Deal found 9/6฿8,454
Sun 27/723:00DMK - ICN
1 stop22h 45mCebu Pacific
Thu 31/701:15ICN - DMK
1 stop22h 45mCebu Pacific
Deal found 9/6฿9,139
Fri 12/921:05BKK - ICN
1 stop7h 35mVietnam Airlines
Tue 16/910:35ICN - BKK
1 stop9h 55mVietnam Airlines
Deal found 11/6฿9,270

Cheapflights Fare Finder

Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 11 June 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 6/9

02:45-10:20

Nonstop5h 35m

Incheon Intl

Fri 12/9

11:35-15:45

Nonstop6h 10m

฿5,744

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 21/9

15:45-05:45

1 stop12h 00m

Incheon Intl

Wed 24/9

10:05-18:05

1 stop10h 00m

฿5,810

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 27/6

02:45-10:20

Nonstop5h 35m

Incheon Intl

Mon 30/6

22:45-11:45

1 stop15h 00m

฿6,593

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 8/7

02:50-20:45

1 stop15h 55m

Incheon Intl

Fri 11/7

11:45-01:25

1 stop15h 40m

฿7,050

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 22/6

01:30-21:30

1 stop18h 00m

Incheon Intl

Mon 30/6

22:35-00:20

1 stop27h 45m

฿7,115

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 16/9

22:20-06:05

Nonstop5h 45m

Incheon Intl

Sun 21/9

17:15-21:20

Nonstop6h 05m

฿7,442

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 6/7

13:50-05:45

1 stop13h 55m

Incheon Intl

Mon 14/7

06:25-13:00

1 stop8h 35m

฿7,507

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Wed 25/6

22:55-09:05

1 stop8h 10m

Seoul Gimpo Intl

Tue 1/7

15:20-01:05

2 stops11h 45m

฿7,833

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 4/7

00:05-07:40

Nonstop5h 35m

Incheon Intl

Sat 11/10

18:00-22:35

Nonstop6h 35m

฿7,899

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 10/9

00:55-08:25

Nonstop5h 30m

Incheon Intl

Wed 17/9

19:55-23:45

Nonstop5h 50m

฿8,649

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 51 results
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Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Seoul

When is the best time to book a flight to Seoul?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seoul. Price data was last updated on 9 June 2025.

The price you pay for your flight to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Seoul?

On average, a flight from Bangkok to Seoul takes 9 hours 20 minutes. Flights to Seoul from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Seoul

The most flights from Bangkok to Seoul are scheduled on a Wednesday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from Bangkok to Seoul are Vietnam Airlines, Eastar Jet and Jin Air.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 mm per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 11 June 2025.
Read through reviews of airlines servicing Seoul, such as EVA Air, AIR PREMIA and ไห่หนานแอร์ไลน์. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
AIR PREMIA
8.2
Very Good

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

FAQs about flying to Seoul

  • Can I find cheaper flights to Seoul if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seoul on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seoul?

    Based on reviews from Cheapflights users, Vietnam Airlines is rated the highest out of the airlines that fly to Seoul.

  • What is the cheapest airport to fly to in Seoul?

    Incheon Intl is currently the cheapest airport to fly to in Seoul. One-way flights to Incheon Intl typically cost ฿2,823, while return flights cost around ฿2,372.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿73, however they can be found for as little as ฿73.

  • Where does the fastest flight to Seoul depart from?

    For those looking to save time traveling to Seoul, Bangkok offers the quickest one-way flight (5 hours 15 minutes).

  • Does Incheon Intl have rental cars?

    Yes. Those touching down at Incheon Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Incheon Intl?

    Yes. Incheon Intl has hotels nearby for those requiring accommodations. Darakhyu Incheon Airport Terminal 2 Capsule Hotel by Walkerhill is the closest property to Incheon Intl (0.0 km away from Incheon Intl).

See more FAQs

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