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

Booking with Asiana Airlines 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport with Asiana Airlines?

Currently, the most affordable month to book a Asiana Airlines flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in September, with an average price of ฿9,133. Conversely, traveling with Asiana Airlines from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in October will be the most expensive, with an average cost of ฿15,982. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Asiana Airlines flight availability from Incheon Intl Airport to Bangkok Suvarnabhumi Airport

The most Asiana Airlines flights from ICN to BKK are scheduled on a Monday (4 on average). You will have fewer Asiana Airlines flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

฿9,557+ Asiana Airlines flights from Incheon Intl to Suvarnabhumi

Cheapflights users flying from Seoul to Bangkok on Asiana Airlines typically fly into Bangkok Suvarnabhumi and depart from Incheon Intl. Select your dates above for pricing.

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Cheapest Asiana Airlines flights from Incheon Intl to Suvarnabhumi
Explore the most affordable Asiana Airlines flight options available from Incheon Intl to Suvarnabhumi. Find the lowest fares with prices last updated on 29 May 2026.

Thu 11/619:35

ICN

BKK

Nonstop5h 45m

Asiana Airlines

Sat 13/601:20

BKK

ICN

Nonstop5h 25m

Asiana Airlines

Deal found 26/5฿13,829

Thu 28/519:35

ICN

BKK

Nonstop5h 45m

Asiana Airlines

Tue 2/601:20

BKK

ICN

Nonstop5h 25m

Asiana Airlines

Deal found 24/5฿14,286

Thu 4/619:35

ICN

BKK

Nonstop5h 45m

Asiana Airlines

Wed 10/601:20

BKK

ICN

Nonstop5h 25m

Asiana Airlines

Deal found 26/5฿14,319

Asiana Airlines flights from Incheon Intl to Suvarnabhumi in 2026

One-way from	฿9,557
Return from	฿11,611
Popular in	January
Cheapest in	September
Average price (all airlines)	฿7,795

Asiana Airlines
3/11
Nonstop
5h 55m total
Incheon to Bangkok

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Asiana Airlines
21/10-24/10
Nonstop
11h 20m total
Incheon to Bangkok

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Highest demand for flights from Incheon Intl to Bangkok Suvarnabhumi; 17% potential price increase.

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Best time to find cheap flights from Incheon Intl to Bangkok Suvarnabhumi; 2% potential price drop.

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Average price for all Incheon Intl to Bangkok Suvarnabhumi flights (one-way and round-trip).

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When is the best time to book a flight to Bangkok Suvarnabhumi Airport with Asiana Airlines?

The best time to book a flight to Bangkok Suvarnabhumi Airport with Asiana Airlines is 79 days before departure. On average, fares are higher if you book 76 days before departure.

Which month is the cheapest to fly Economy class from Incheon Intl Airport to Bangkok Suvarnabhumi Airport?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are October and January.

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.

ICN-BKK

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.

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Asiana Airlines flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (ICN - BKK)

Cheapflights users flying from Seoul to Bangkok on Asiana Airlines typically fly into Bangkok Suvarnabhumi and depart from Incheon Intl. Select your dates above for pricing.

Find Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi

Cheapest Asiana Airlines flights from Incheon Intl to SuvarnabhumiExplore the most affordable Asiana Airlines flight options available from Incheon Intl to Suvarnabhumi. Find the lowest fares with prices last updated on 29 May 2026.

Explore the most affordable Asiana Airlines flight options available from Incheon Intl to Suvarnabhumi. Find the lowest fares with prices last updated on 29 May 2026.

Best Asiana Airlines flights from Incheon Intl to SuvarnabhumiDiscover carefully curated Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 May 2026.

Discover carefully curated Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 May 2026.

Direct Asiana Airlines flights from Incheon Intl to SuvarnabhumiExplore direct Asiana Airlines flight options from Incheon Intl to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 May 2026.

Explore direct Asiana Airlines flight options from Incheon Intl to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 May 2026.

Last-minute Asiana Airlines flights from Incheon Intl to SuvarnabhumiDiscover last-minute Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi. Data last updated 29 May 2026 and is based on user searches.

Discover last-minute Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi. Data last updated 29 May 2026 and is based on user searches.

One-way Asiana Airlines flights to SuvarnabhumiSearch for one-way Asiana Airlines flight options to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 29 May 2026.

Search for one-way Asiana Airlines flight options to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 29 May 2026.

Asiana Airlines flights from Incheon Intl to Suvarnabhumi in 2026

Find detailed information about Asiana Airlines flights from Incheon Intl to Suvarnabhumi. Explore the options provided by Asiana Airlines to plan your journey from Incheon Intl to Suvarnabhumi. Data last updated 29 May 2026.

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When is the best time to book a flight to Bangkok Suvarnabhumi Airport with Asiana Airlines?

Which month is the cheapest to fly Economy class from Incheon Intl Airport to Bangkok Suvarnabhumi Airport?

Weekly Asiana Airlines flight availability from Incheon Intl Airport to Bangkok Suvarnabhumi Airport

Rainfall in Suvarnabhumi by month

Temperature in Suvarnabhumi by month

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.

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Other popular destinations in Asia

If Suvarnabhumi is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 29 May 2026.

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Popular flights with Asiana Airlines

Browse through some of the most popular routes that Asiana Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 29 May 2026.

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Cheapest Asiana Airlines flights from Incheon Intl to Suvarnabhumi
Explore the most affordable Asiana Airlines flight options available from Incheon Intl to Suvarnabhumi. Find the lowest fares with prices last updated on 29 May 2026.

Best Asiana Airlines flights from Incheon Intl to Suvarnabhumi
Discover carefully curated Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 May 2026.

Direct Asiana Airlines flights from Incheon Intl to Suvarnabhumi
Explore direct Asiana Airlines flight options from Incheon Intl to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 May 2026.

Last-minute Asiana Airlines flights from Incheon Intl to Suvarnabhumi
Discover last-minute Asiana Airlines flight deals from Incheon Intl to Suvarnabhumi. Data last updated 29 May 2026 and is based on user searches.

One-way Asiana Airlines flights to Suvarnabhumi
Search for one-way Asiana Airlines flight options to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 29 May 2026.