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Cheap flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport from $158

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Bangkok Suvarnabhumi are usually found in September or May, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Incheon Intl to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Suvarnabhumi
Explore the most affordable flight options available from Incheon Intl to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2026.

Thu 7/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Sun 17/501:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 29/4$323
Sat 16/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Sun 17/501:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 30/4$325
Sat 30/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 28/4$327
Thu 28/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 29/4$341
Sun 31/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 30/4$344
Sun 3/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 29/4$345
Sat 23/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 29/4$346
Sat 30/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Thu 4/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 28/4$351
Thu 7/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Wed 3/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 28/4$358
Tue 5/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Sun 17/501:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 26/4$359
Thu 7/520:05
ICN
-
BKK
Nonstop6h 05m
Jeju Air
Thu 14/501:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 29/4$360

Find flight deals from Incheon Intl to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Suvarnabhumi (BKK). 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 1 May 2026.

Round-trip from

$325

One-way from

$158

Popular in

January

Cheapest in

September

Average price

$232

Good one-way deal

$431 or less
Jeju Air
  • Jeju Air
  • 16/5-17/5
  • Nonstop
  • 11h 50m total
  • Incheon to Bangkok
Search Deals
Jeju Air
  • Jeju Air
  • 7/5
  • Nonstop
  • 6h 05m total
  • Incheon to Bangkok
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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Price to beat on a one-way flight from Incheon Intl to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl to Suvarnabhumi 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 647,157 searches. Data last updated 1 May 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 13/6

23:40-01:25

1 stop27h 45m

Bangkok Suvarnabhumi

Fri 19/6

02:25-23:50

1 stop19h 25m

$379

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 29/6

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 1/7

00:45-08:25

Nonstop5h 40m

$408

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 13/9

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 14/9

01:10-08:55

Nonstop5h 45m

$434

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 20/10

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 21/10

01:10-08:55

Nonstop5h 45m

$448

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 21/5

12:00-00:40

2 stops14h 40m

Bangkok Suvarnabhumi

Sun 14/6

07:50-22:45

1 stop12h 55m

$458

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 10/6

13:10-00:40

2 stops13h 30m

Bangkok Suvarnabhumi

Wed 17/6

07:50-22:45

1 stop12h 55m

$460
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 15/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Sun 17/5

22:45-06:15

Nonstop5h 30m

$467

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 24/6

14:30-20:55

1 stop8h 25m

Bangkok Suvarnabhumi

Sun 28/6

21:55-14:55

2 stops15h 00m

$482

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 27/6

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 5/7

01:10-08:55

Nonstop5h 45m

$485

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/7

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 23/7

01:10-08:55

Nonstop5h 45m

$490

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Incheon Intl to Suvarnabhumi

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

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

The price you pay for your flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 Incheon Intl Airport to Bangkok Suvarnabhumi Airport?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (average of $214). Flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $416). 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 ICN to BKK?

Find hourly flight availability from Incheon Intl to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2026.

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

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

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Suvarnabhumi. 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 Incheon Intl Airport to Bangkok Suvarnabhumi Airport?

    Shandong Airlines, Jeju Air, and Jin Air can get you from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in just under 5h 50m. Your travel time can differ by up to 21h 55m. The distance from Incheon Intl Airport to Bangkok Suvarnabhumi Airport is about 3663 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The top 3 most reliable airlines when flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport are Eastar Jet (95%), Air Busan (95%) and Kuwait Airways (95%).

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

    The cheapest flight price from Incheon Intl Airport to Bangkok Suvarnabhumi Airport is $431. On average you can expect to pay $649. The most popular route, (Incheon Intl - Bangkok Suvarnabhumi), can usually be booked for $960.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to Suvarnabhumi 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 Incheon Intl Airport to Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (average of $214). Flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $416). 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Chonburi
Ko Samet
Kanchanaburi
Ko Lan
Cha-am
Ayutthaya

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

Yes! Cheapflights helps users easily find flights from Incheon Intl to Suvarnabhumi with no change fees.

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

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

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