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Cheap flights from Bangkok to Incheon Intl Airport from ฿4,665

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ICN
24 May — 31 May1
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 Friday or Sunday and return on a Sunday

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 24 April 2026.

Thu 11/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Sat 4/718:00
ICN
-
BKK
Nonstop6h 05m
Multiple Airlines
Deal found 19/4฿7,839
Thu 11/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Fri 19/621:45
ICN
-
BKK
1 stop30h 05m
Multiple Airlines
Deal found 20/4฿7,871
Thu 11/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Sun 28/620:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Deal found 19/4฿7,936
Thu 11/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Mon 29/617:15
ICN
-
BKK
Nonstop5h 55m
Multiple Airlines
Deal found 19/4฿7,969
Sun 7/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Mon 15/612:10
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 21/4฿8,066
Sun 10/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Fri 15/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 24/4฿8,195
Wed 22/403:15
DMK
-
ICN
Nonstop5h 40m
Thai Lion Air
Wed 6/513:30
ICN
-
DMK
Nonstop5h 40m
Thai Lion Air
Deal found 20/4฿8,228
Thu 25/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Sun 5/716:45
ICN
-
BKK
1 stop11h 05m
Multiple Airlines
Deal found 19/4฿8,293
Sun 26/400:05
BKK
-
ICN
Nonstop5h 35m
Multiple Airlines
Sat 2/512:10
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 22/4฿8,357
Wed 19/802:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Mon 31/812:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 20/4฿8,390
Mon 27/403:15
DMK
-
ICN
Nonstop5h 40m
Thai Lion Air
Wed 6/513:30
ICN
-
DMK
Nonstop5h 40m
Thai Lion Air
Deal found 21/4฿8,454
Thu 11/601:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Tue 30/617:15
ICN
-
BKK
Nonstop5h 55m
Multiple Airlines
Deal found 19/4฿8,454

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 24 April 2026.

Round-trip from

฿7,839

One-way from

฿4,665

Popular in

December

Cheapest in

September

Average price

฿11,208
T'way Air
  • T'way Air
  • 11/6-4/7
  • Nonstop
  • 11h 50m total
  • Bangkok to Incheon
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 22/5
  • Nonstop
  • 5h 50m total
  • Bangkok to Incheon
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿21,028 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿8,514 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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

Fri 12/6

15:55-21:05

2 stops27h 10m

Incheon Intl

Sun 14/6

11:55-12:30

2 stops26h 35m

฿10,916

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 11/5

19:10-14:55

2 stops17h 45m

Incheon Intl

Thu 14/5

06:50-04:05

2 stops23h 15m

฿11,143

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 2/10

18:05-06:00

1 stop9h 55m

Incheon Intl

Sat 10/10

10:35-18:30

1 stop9h 55m

฿11,208
Fastest return journey

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 21/8

22:45-06:15

Nonstop5h 30m

Incheon Intl

Tue 15/9

17:15-21:10

Nonstop5h 55m

฿12,115

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 14/6

22:45-06:15

Nonstop5h 30m

Incheon Intl

Sun 21/6

17:15-21:10

Nonstop5h 55m

฿12,212

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 11/6

22:45-06:15

Nonstop5h 30m

Incheon Intl

Sun 21/6

17:15-21:10

Nonstop5h 55m

฿12,730

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 26/5

22:45-06:15

Nonstop5h 30m

Incheon Intl

Fri 3/7

17:15-21:10

Nonstop5h 55m

฿13,216

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 26/5

22:45-06:15

Nonstop5h 30m

Incheon Intl

Fri 5/6

17:15-21:10

Nonstop5h 55m

฿13,508

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 9/9

00:05-07:40

Nonstop5h 35m

Incheon Intl

Mon 14/9

18:00-22:05

Nonstop6h 05m

฿13,767

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 17/5

02:45-10:35

Nonstop5h 50m

Incheon Intl

Sun 24/5

12:05-15:50

Nonstop5h 45m

฿13,832

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 41 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?

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 71 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, May is the cheapest month in which you can book a flight from Bangkok to Incheon Intl Airport (average of ฿1,846). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿5,474). 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 24 April 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 24 April 2026.

The most flights from TH1 to ICN are scheduled on a Tuesday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 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 118 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.

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 24 April 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
1,212 reviews
Check prices

Overall

8.4

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
1,212 reviews
Korean Air
8.4
Very Good
1,212 reviews
Check prices

Overall

8.4

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
1,212 reviews
Check prices

Overall

8.4

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
1,212 reviews
Check prices

Overall

8.4

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
123 reviews
Korean Air
8.4
Very Good
1,212 reviews
Check prices

Overall

8.4

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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 ฿12,115. 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 ฿2,159 on this airline. Additional options worth looking into are Vietnam Airlines and Jeju Air, starting at ฿2,649 and ฿2,832 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 ฿2,050. Users have also found prices from ฿2,876 and ฿3,670 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: Air Chathams (100%), Air Busan (98%), Eastar Jet( 98%).

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

    While on average a flight from Bangkok to Incheon Intl Airport is generally ฿26,408, our data shows the cheapest flight currently is ฿7,401. When looking at the most popular route, (Bangkok Suvarnabhumi - Incheon Intl), you can expect to pay ฿9,459 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 ฿1,846). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿5,474). 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

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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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,159Average฿7,994FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest฿2,649Average฿9,075FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jeju AirCheapest฿2,832Average฿8,783FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Eastar JetCheapest฿3,243Average฿9,924FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,519Average฿7,412FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Thai Vietjet AirCheapest฿3,661Average฿7,657FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
AIR PREMIACheapest฿4,320Average฿11,015FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Thai AirAsiaCheapest฿5,255Average฿10,474FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest฿5,546Average฿9,653FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Asiana AirlinesCheapest฿6,066Average฿13,962FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

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

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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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