Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bangkok to Incheon Intl Airport from ฿4,765

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ICN
19 Jun — 26 Jun1
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 83 days in advance, depart on a Friday or Sunday and return on a Friday

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 20 May 2026.

Thu 9/701:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Tue 6/1008:35
ICN
-
BKK
1 stop18h 50m
Multiple Airlines
Deal found 18/5฿10,150
Sun 20/902:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Thu 1/1012:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 16/5฿10,183
Thu 21/518:10
BKK
-
ICN
1 stop25h 25m
Multiple Airlines
Thu 28/514:00
ICN
-
BKK
1 stop13h 50m
Multiple Airlines
Deal found 15/5฿10,183
Tue 1/902:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sun 13/912:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 16/5฿10,216
Fri 12/605:05
BKK
-
ICN
1 stop10h 20m
Multiple Airlines
Mon 31/812:10
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 15/5฿10,216
Wed 2/902:45
DMK
-
ICN
Nonstop5h 50m
Multiple Airlines
Sat 24/1013:30
ICN
-
DMK
Nonstop5h 40m
Multiple Airlines
Deal found 15/5฿10,248
Fri 12/605:05
BKK
-
ICN
1 stop10h 20m
Multiple Airlines
Wed 2/912:10
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 15/5฿10,248
Fri 12/602:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Wed 1/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 17/5฿10,281
Sat 23/519:10
BKK
-
ICN
2 stops17h 45m
Multiple Airlines
Tue 26/511:45
ICN
-
BKK
1 stop15h 40m
Multiple Airlines
Deal found 16/5฿10,281
Wed 1/702:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Tue 7/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 17/5฿10,313
Sun 22/1102:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia
Fri 4/1211:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia
Deal found 17/5฿10,346
Tue 2/609:50
BKK
-
ICN
2 stops33h 15m
China Eastern
Wed 10/612:15
ICN
-
BKK
1 stop14h 55m
China Eastern
Deal found 16/5฿10,346

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 20 May 2026.

Round-trip from

฿10,150

One-way from

฿4,765

Popular in

December

Cheapest in

September

Average price

฿10,738
Shandong Airlines
  • Shandong Airlines
  • 9/7-6/10
  • 1 total stop
  • 24h 35m total
  • Bangkok to Incheon
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 28/8
  • Nonstop
  • 5h 35m total
  • Bangkok to Incheon
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿14,072 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,860 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 20 May 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

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 3/6

05:05-20:45

1 stop13h 40m

Incheon Intl

Sun 7/6

15:55-04:05

2 stops14h 10m

฿11,293

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 5/6

16:50-14:55

2 stops20h 05m

Incheon Intl

Tue 9/6

11:55-12:30

2 stops26h 35m

฿11,554
Fastest return journey

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 3/9

22:45-06:15

Nonstop5h 30m

Incheon Intl

Sun 20/9

17:15-21:10

Nonstop5h 55m

฿11,847

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 11/9

15:45-06:00

1 stop12h 15m

Incheon Intl

Mon 14/9

12:10-16:00

Nonstop5h 50m

฿11,847

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 4/9

22:45-06:15

Nonstop5h 30m

Incheon Intl

Sun 20/9

17:15-21:10

Nonstop5h 55m

฿11,847

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 2/7

21:55-14:55

2 stops15h 00m

Incheon Intl

Sun 5/7

11:55-00:40

2 stops14h 45m

฿11,978

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 9/6

19:10-14:55

2 stops17h 45m

Incheon Intl

Tue 16/6

08:30-22:15

3 stops15h 45m

฿11,978

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 30/6

00:45-08:25

Nonstop5h 40m

Incheon Intl

Mon 6/7

19:55-23:45

Nonstop5h 50m

฿12,141

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 2/7

02:10-13:30

1 stop9h 20m

Incheon Intl

Mon 6/7

07:45-01:25

1 stop19h 40m

฿12,435

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sat 30/5

20:50-22:45

1 stop23h 55m

Incheon Intl

Thu 4/6

12:55-12:30

1 stop25h 35m

฿12,500

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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

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

Currently, May is the cheapest month in which you can book a flight from Bangkok to Incheon Intl Airport (average of ฿1,860). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿5,255). 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 20 May 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 20 May 2026.

The most flights from TH1 to ICN are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost for a return flight from Bangkok to Incheon Intl Airport?

How often are flights from Bangkok to Incheon delayed?

About 23% of weekly flights between Bangkok and Incheon have experienced delays in the past year, with the average delay time being 117 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, AIR PREMIA have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

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 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 20 May 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
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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
8.0
Very Good
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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
7.9
Good
401 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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
124 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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 30m. China Eastern provides one of the quickest options available for as low as ฿11,847. 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 ฿2,176 on this airline. Additional options worth looking into are Vietnam Airlines and Jeju Air, starting at ฿2,669 and ฿2,853 round-trip. These flights start at 76% 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 ฿2,124. Users have also found prices from ฿2,897 and ฿3,545 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 (97%), ฮาวายเอี้ยนแอร์ไลน์ (96%), เคนย่าแอร์เวย์( 95%).

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

    While on average a flight from Bangkok to Incheon Intl Airport is generally ฿26,787, our data shows the cheapest flight currently is ฿5,555. When looking at the most popular route, (Bangkok Suvarnabhumi - Incheon Intl), you can expect to pay ฿9,008 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, May is the cheapest month in which you can book a flight from Bangkok to Incheon Intl Airport (average of ฿1,860). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿5,255). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,176Average฿8,149FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest฿2,669Average฿9,144FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jeju AirCheapest฿2,853Average฿8,817FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Eastar JetCheapest฿3,268Average฿9,999FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,546Average฿7,452FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Thai Vietjet AirCheapest฿3,689Average฿7,715FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
AIR PREMIACheapest฿5,584Average฿11,492FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Thai Lion AirCheapest฿5,588Average฿9,726FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Asiana AirlinesCheapest฿6,112Average฿13,550FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿6,232Average฿17,392FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.