Find Cheap Flights from Seoul Incheon Airport to Southeast Asia – Compare and Save

The cheapest ticket to Southeast Asia from Incheon Intl Airport found in the last 5 days was to Da Nang, at ฿4,936 return. The most popular route is from Incheon Intl Airport (ICN) to Bangkok Don Mueang Intl Airport (DMK), and the cheapest return airline ticket found on this route in the last 5 days was ฿4,939.

The cheapest time of day to fly to Southeast Asia is generally in the evening, when retur flights cost ฿6,408 on average. Morning departures are around 51% more expensive than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally at night, which is peak travel time and where the average cost of a ticket is ฿11,752.

No, with an average price for the route of ฿17,747, prices are generally cheapest when you fly direct.

The cheapest month for flights from Incheon Intl Airport to Southeast Asia is September, when tickets cost ฿8,066 (return) on average. On the other hand, the most expensive months are February and July, when the average cost of return tickets is ฿10,935 and ฿10,665 respectively.

If your flying dates are flexible, you should consider flying to Southeast Asia on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from Seoul Incheon Airport to Southeast Asia. For your return ticket, we recommend flying on a Friday and avoiding Mondays for the best deals.

To get a below-average price on a flight from Incheon Intl Airport to Southeast Asia, you should book around 2 weeks before departure, which saves you about 13% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

There is just one airline that flies from Incheon Intl Airport to Southeast Asia direct and that is Thai Airways. The best return deal found from Thai Airways for the route is to Bangkok Suvarnabhumi Airport (BKK) and costs ฿11,492.

Incheon Intl Airport and Southeast Asia are connected by different airlines. The airlines that fly that route the most regularly are Korean Air (270 flights per week), Asiana Airlines (243 flights per week), and เดลต้า (147 flights per week).

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest route to Southeast Asia from Incheon Intl Airport is to Bangkok, which takes 5h 50m.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Incheon Intl Airport to Southeast Asia departs at 07:10, landing in Bangkok at 11:05.

If you prefer to fly at night, the last flight from Incheon Intl Airport to Southeast Asia sets off at 20:15 and lands in Bangkok at 00:20.