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Cheap flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport from $129

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to Bangkok Suvarnabhumi are usually found in May or June, booked 31 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap 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 15 August 2025.

Round-trip from

$166

One-way from

$129

Popular in

January

Cheapest in

May

Average price

$354

Good round-trip deal

$553 or less

Good one-way deal

$129 or less
T'way Air
  • T'way Air
  • 17/9-19/9
  • Nonstop
  • 11h 40m total
  • Incheon to Bangkok
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AIR PREMIA
  • AIR PREMIA
  • 21/8
  • Nonstop
  • 6h 20m total
  • Incheon to Bangkok
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Highest demand for flights based on searches. 26% potential increase in price ($211 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Incheon Intl to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Incheon Intl to Bangkok Suvarnabhumi.
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Find flight deals from Incheon Intl to Suvarnabhumi

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 15 August 2025.

Fri 12/918:00ICN - BKK
Nonstop6h 05mT'way Air
Sun 14/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 15/8$213
Mon 10/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Wed 19/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 15/8$224
Mon 10/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Tue 18/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 14/8$225
Sun 14/918:00ICN - BKK
Nonstop6h 05mT'way Air
Fri 31/1001:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 13/8$228
Sun 28/918:00ICN - BKK
Nonstop6h 05mT'way Air
Wed 5/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 14/8$230
Fri 19/918:00ICN - BKK
Nonstop6h 05mT'way Air
Sun 21/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 15/8$235
Tue 2/918:00ICN - BKK
Nonstop6h 05mT'way Air
Mon 8/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 13/8$236
Wed 10/920:05ICN - BKK
Nonstop5h 54mJeju Air
Sat 13/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/8$239
Fri 12/918:05ICN - BKK
1 stop18h 45mVietnam Airlines
Mon 15/919:05BKK - ICN
1 stop8h 45mVietnam Airlines
Deal found 15/8$245
Sun 31/820:05ICN - BKK
Nonstop5h 54mJeju Air
Wed 3/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/8$255
Sun 31/820:05ICN - BKK
Nonstop5h 54mJeju Air
Sat 6/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 14/8$256
Fri 22/818:00ICN - BKK
Nonstop6h 05mT'way Air
Sun 14/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 13/8$259

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 15 August 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Incheon Intl

Fly to

Suvarnabhumi

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 11/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 13/11

01:30-09:00

Nonstop5h 30m

$225

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 28/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 4/11

01:30-09:00

Nonstop5h 30m

$230

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 29/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 2/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 6/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 14/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 27/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 29/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 9/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 21/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 27/9

00:05-07:40

Nonstop5h 35m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 3/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 6/9

00:05-07:40

Nonstop5h 35m

$236

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 15/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 17/9

00:05-07:40

Nonstop5h 35m

$236

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 21 results
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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?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Suvarnabhumi. Price data was last updated on 8 August 2025.

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 31 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (average of $489). Flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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 15 August 2025.

It’s typically best to fly out from Incheon Intl Airport to Bangkok Suvarnabhumi Airport at midday. Doing so could potentially save you 43% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Incheon Intl Airport to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Incheon Intl to Suvarnabhumi. 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 15 August 2025.

The most flights from ICN to BKK are scheduled on a Wednesday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

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.

  • 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 Oman Air (100%), AIR PREMIA (100%) and Turkish Airlines (98%).

  • 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 $117. On average you can expect to pay $393. The most popular route, (Incheon Intl - Bangkok Suvarnabhumi), can usually be booked for $900.

  • 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (average of $489). Flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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
Ko Lan
Cha-am
Sattahip
Ayutthaya

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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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