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Cheap flights from Bangkok to Incheon Intl Airport from ฿3,646

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ICN
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Incheon Intl are usually found in September or October, booked 73 days in advance, depart on a Thursday or Sunday and return on a Saturday

Cheap flight deals from Bangkok to Incheon Intl

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Incheon Intl
Explore the most affordable flight options available from Bangkok to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Wed 15/403:15
DMK
-
ICN
Nonstop5h 40m
Multiple Airlines
Fri 24/411:55
ICN
-
DMK
Nonstop5h 40m
Multiple Airlines
Deal found 8/3฿6,205
Mon 23/302:20
BKK
-
ICN
1 stop15h 30m
Multiple Airlines
Fri 27/312:10
ICN
-
BKK
Nonstop6h 10m
Multiple Airlines
Deal found 10/3฿6,269
Wed 19/802:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Mon 24/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 13/3฿6,396
Sun 26/402:25
BKK
-
ICN
1 stop18h 15m
Multiple Airlines
Wed 6/519:55
ICN
-
BKK
Nonstop6h 00m
Multiple Airlines
Deal found 10/3฿6,428
Wed 1/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Mon 31/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 8/3฿6,492
Wed 19/802:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Thu 27/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 13/3฿6,556
Wed 15/402:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia X
Wed 22/411:55
ICN
-
DMK
Nonstop5h 40m
Thai AirAsia X
Deal found 9/3฿6,620
Wed 15/403:15
DMK
-
ICN
Nonstop5h 40m
Thai Lion Air
Fri 24/413:30
ICN
-
DMK
Nonstop5h 40m
Thai Lion Air
Deal found 8/3฿6,652
Thu 20/802:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Fri 28/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 13/3฿6,684
Wed 15/403:15
DMK
-
ICN
Nonstop5h 40m
Multiple Airlines
Wed 22/411:55
ICN
-
DMK
Nonstop5h 40m
Multiple Airlines
Deal found 8/3฿6,716
Tue 10/1102:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia
Thu 26/1111:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia
Deal found 8/3฿6,748
Fri 17/402:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia X
Fri 24/411:55
ICN
-
DMK
Nonstop5h 40m
Thai AirAsia X
Deal found 9/3฿6,780

Find flight deals from Bangkok to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

฿6,205

One-way from

฿3,646

Popular in

December

Cheapest in

September

Average price

฿8,060
Thai AirAsia X
  • Thai AirAsia X
  • 15/4-24/4
  • Nonstop
  • 11h 20m total
  • Bangkok to Incheon
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 9/6
  • Nonstop
  • 5h 35m total
  • Bangkok to Incheon
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿26,237 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿8,816 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from Bangkok to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 1/7

03:15-10:55

Nonstop5h 40m

Incheon Intl

Sun 5/7

13:30-17:10

Nonstop5h 40m

฿7,964

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 1/7

02:25-10:00

Nonstop5h 35m

Incheon Intl

Sun 5/7

12:10-16:00

Nonstop5h 50m

฿8,347

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 1/7

02:50-20:45

1 stop15h 55m

Incheon Intl

Sun 5/7

15:30-01:50

1 stop12h 20m

฿8,635

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 1/5

19:30-16:25

1 stop18h 55m

Incheon Intl

Fri 8/5

17:55-13:10

1 stop21h 15m

฿9,051

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 9/6

19:05-05:50

1 stop8h 45m

Incheon Intl

Tue 23/6

18:05-14:45

1 stop22h 40m

฿9,051

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 26/6

19:05-05:50

1 stop8h 45m

Incheon Intl

Sun 19/7

11:05-17:05

1 stop8h 00m

฿9,531

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 2/9

03:15-10:55

Nonstop5h 40m

Incheon Intl

Sat 5/9

13:30-17:10

Nonstop5h 40m

฿10,234

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 23/3

22:25-06:20

Nonstop5h 55m

Incheon Intl

Wed 25/3

17:05-21:25

Nonstop6h 20m

฿10,426

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 26/4

21:05-16:25

1 stop17h 20m

Incheon Intl

Sat 23/5

17:55-10:20

1 stop18h 25m

฿10,874

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 21/4

03:15-10:55

Nonstop5h 40m

Incheon Intl

Wed 29/4

13:30-17:10

Nonstop5h 40m

฿10,938

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Bangkok to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Bangkok 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 from Bangkok to Incheon Intl Airport

How far ahead should I book a flight from Bangkok to Incheon Intl Airport?

Use this chart to determine the optimal time to book a return flight from Bangkok to Incheon Intl. Price data was last updated on 6 March 2026.

The price you pay for your flight from Bangkok to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Bangkok to Incheon Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Bangkok to Incheon Intl Airport (average of ฿2,846). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿6,173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to ICN?

Find hourly flight availability from Bangkok to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 March 2026.

When flying from Bangkok to Incheon Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Bangkok to Incheon Intl Airport

Explore weekly flight availability from Bangkok to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 March 2026.

The most flights from TH1 to ICN are scheduled on a Wednesday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (43 on average).

How often are flights from Bangkok to Incheon delayed?

About 24% of weekly flights between Bangkok and Incheon have experienced delays in the past year, with the average delay time being 124 minutes.

What is the most punctual flight time for Bangkok to Incheon flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Incheon flights?

Over the past year, แอร์เอเชียเอ็กซ์ have had the lowest number of delays on this route, with just 9% of flights being delayed.

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated 13 March 2026.
Read reviews from past customers who have flown with Korean Air,AIR PREMIA, andThai Airways from Bangkok to Incheon Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,202 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.2
Very Good
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Thai Airways
7.8
Good
392 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Thai Vietjet Air
6.6
Okay
119 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bangkok to Incheon Intl Airport?

    A quick flight from Bangkok to Incheon Intl Airport can take about 5h 35m. Thai Lion Air provides one of the quickest options available for as low as ฿8,347. The distance between Bangkok and Incheon Intl Airport is about 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Bangkok to Incheon Intl Airport round-trip?

    Our cheapest airline available from Bangkok to Incheon Intl Airport is T'way Air. Our recent data shows that you can find tickets from as low as ฿2,132 on this airline. Additional options worth looking into are Vietnam Airlines and Jin Air, starting at ฿2,616 and ฿3,035 round-trip. These flights start at 75% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Bangkok to Incheon Intl Airport one-way?

    For one-way options, check prices for Thai Vietjet Air. According to our data, you can fly for as low as ฿2,024. Users have also found prices from ฿2,684 and ฿3,624 on Thai AirAsia X and T'way Air, respectively.

  • What are the most reliable airlines from Bangkok to Incheon Intl Airport?

    Before booking your flight to Incheon Intl Airport from Bangkok, have a look at the most reliable airlines to get you to your destination on time: EL AL (98%), เคนย่าแอร์เวย์ (97%), Air Busan( 97%).

  • What are the cheapest flights from Bangkok to Incheon Intl Airport?

    While on average a flight from Bangkok to Incheon Intl Airport is generally ฿25,602, our data shows the cheapest flight currently is ฿4,079. When looking at the most popular route, (Bangkok Suvarnabhumi - Incheon Intl), you can expect to pay ฿7,612 for that flight.

  • Can I find deals for flights from Bangkok to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Bangkok to Incheon Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Incheon Intl.

  • Can I find deals for business class flights from Bangkok to Incheon Intl?

    Yes. Cheapflights offers flight deals from Bangkok to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok to Incheon Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Bangkok to Incheon Intl Airport (average of ฿2,846). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿6,173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Daejeon

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Alternative routes for Bangkok to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Incheon Intl flights
Phuket City to Incheon Intl flights

Top 10 airlines flying from Bangkok to Incheon Intl

Discover the top 10 airlines that operate flights from Bangkok to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,132Average฿6,937FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest฿2,616Average฿8,621FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿3,035Average฿7,265FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Eastar JetCheapest฿3,202Average฿9,798FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,475Average฿7,441FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Jeju AirCheapest฿3,573Average฿8,672FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai Vietjet AirCheapest฿3,615Average฿7,405FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
AIR PREMIACheapest฿4,266Average฿10,918FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Asiana AirlinesCheapest฿5,989Average฿14,012FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿6,107Average฿16,960FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Incheon Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Incheon Intl from Bangkok today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Incheon Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Incheon Intl.

Can Cheapflights find flights from Bangkok to Incheon Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Incheon Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Bangkok to Incheon Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Incheon Intl from Bangkok today and book when prices fit your budget.

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