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Cheap flights from Bangkok to Incheon Intl Airport from ฿4,357

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ICN
10 May — 17 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 10 April 2026.

Thu 9/701:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Tue 18/812:10
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 9/4฿7,465
Thu 9/701:10
BKK
-
ICN
Nonstop5h 45m
Multiple Airlines
Mon 13/719:55
ICN
-
BKK
Nonstop5h 50m
Multiple Airlines
Deal found 10/4฿7,914
Sun 7/602:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sat 13/612:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 7/4฿8,298
Sat 18/402:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia X
Wed 22/411:55
ICN
-
DMK
Nonstop5h 40m
Thai AirAsia X
Deal found 8/4฿8,362
Wed 1/700:45
BKK
-
ICN
Nonstop5h 40m
Multiple Airlines
Thu 9/712:15
ICN
-
BKK
1 stop15h 35m
Multiple Airlines
Deal found 6/4฿8,362
Sun 7/602:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Tue 9/612:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 7/4฿8,458
Wed 30/903:15
DMK
-
ICN
Nonstop5h 40m
Thai Lion Air
Sun 4/1013:30
ICN
-
DMK
Nonstop5h 40m
Thai Lion Air
Deal found 6/4฿8,491
Wed 1/702:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sun 5/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 9/4฿8,523
Tue 21/403:15
DMK
-
ICN
Nonstop5h 40m
Multiple Airlines
Sun 26/411:55
ICN
-
DMK
Nonstop5h 40m
Multiple Airlines
Deal found 8/4฿8,555
Wed 1/702:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sat 4/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 7/4฿8,587
Sat 30/515:55
BKK
-
ICN
2 stops17h 00m
Multiple Airlines
Wed 3/622:15
ICN
-
BKK
1 stop29h 10m
Multiple Airlines
Deal found 8/4฿8,587
Thu 2/702:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Fri 10/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 5/4฿8,619

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 10 April 2026.

Round-trip from

฿7,465

One-way from

฿4,357

Popular in

December

Cheapest in

September

Average price

฿10,958
Thai Vietjet Air
  • Thai Vietjet Air
  • 9/7-18/8
  • Nonstop
  • 11h 35m total
  • Bangkok to Incheon
Search Deals
Jeju Air
  • Jeju Air
  • 11/6
  • 2 total stops
  • 14h 20m total
  • Bangkok to Incheon
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿22,476 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿8,570 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 10 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

Tue 12/5

07:50-10:55

2 stops25h 05m

Incheon Intl

Mon 18/5

11:55-04:05

2 stops18h 10m

฿10,861

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 11/6

15:55-10:55

2 stops17h 00m

Incheon Intl

Tue 16/6

20:15-19:50

2 stops25h 35m

฿10,893

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 25/5

07:50-10:55

2 stops25h 05m

Incheon Intl

Thu 28/5

11:55-00:40

2 stops14h 45m

฿11,022

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 10/9

02:45-10:35

Nonstop5h 50m

Incheon Intl

Thu 17/9

12:05-15:50

Nonstop5h 45m

฿11,118

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 21/8

02:45-10:35

Nonstop5h 50m

Incheon Intl

Tue 15/9

12:05-15:50

Nonstop5h 45m

฿11,342

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 20/8

02:45-10:35

Nonstop5h 50m

Incheon Intl

Mon 14/9

12:05-15:50

Nonstop5h 45m

฿11,342
Fastest return journey

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 1/6

22:45-06:15

Nonstop5h 30m

Incheon Intl

Mon 13/7

17:15-21:10

Nonstop5h 55m

฿12,207

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 27/5

22:15-05:50

1 stop29h 35m

Incheon Intl

Sat 30/5

18:05-10:50

1 stop18h 45m

฿12,239

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sat 5/9

19:05-05:50

1 stop8h 45m

Incheon Intl

Tue 8/9

11:05-17:05

1 stop8h 00m

฿12,495

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 9/7

18:05-22:35

1 stop26h 30m

Incheon Intl

Mon 13/7

11:05-17:05

1 stop8h 00m

฿12,624

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 37 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 3 April 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 ฿2,852). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿6,056). 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 10 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 10 April 2026.

The most flights from TH1 to ICN are scheduled on a Thursday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 121 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 10 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
1,205 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
1,205 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
1,205 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
396 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
121 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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 ฿12,207. 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 ฿2,136 on this airline. Additional options worth looking into are Vietnam Airlines and Jeju Air, starting at ฿2,620 and ฿2,801 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 ฿2,028. Users have also found prices from ฿2,844 and ฿3,630 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: Eastar Jet (98%), เคนย่าแอร์เวย์ (95%), EL AL( 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 ฿27,979, our data shows the cheapest flight currently is ฿6,699. When looking at the most popular route, (Bangkok Suvarnabhumi - Incheon Intl), you can expect to pay ฿8,747 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 ฿2,852). Flying from Bangkok to Incheon Intl Airport in February is currently the most expensive (average of ฿6,056). 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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,136Average฿7,496FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest฿2,620Average฿8,977FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jeju AirCheapest฿2,801Average฿8,656FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Eastar JetCheapest฿3,208Average฿9,816FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,481Average฿7,346FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Thai Vietjet AirCheapest฿3,621Average฿7,573FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
AIR PREMIACheapest฿4,027Average฿10,415FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Thai AirAsiaCheapest฿5,198Average฿10,150FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Asiana AirlinesCheapest฿6,000Average฿13,302FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿6,118Average฿17,107FlexibilityNo 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?

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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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