$100 Find Cheap Flights from Incheon to Southeast Asia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Incheon Intl to Southeast Asia departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to Southeast Asia, as well as popular online travel agencies
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Cheap Flights from Incheon Intl to Southeast Asia

Cheapest return prices found by our users on KAYAK in the last 72 hours
Denpasar
Denpasar1 stop$292
Denpasar
Denpasar1 stop$292

Book Cheap Incheon Intl to Southeast Asia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Incheon Intl to Southeast Asia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Incheon Intl to Southeast Asia

Sat, 13 Sep - Sat, 20 Sep
Vietnam Airlines Logo
18:05 - 10:50ICN-BKK
18h 45m1 stop
Vietnam Airlines Logo
19:05 - 16:35BKK-ICN
19h 30m1 stop
$198Vietnam Airlines
Find Deal
Thu, 28 Aug - Thu, 4 Sep
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
$230AIR PREMIA
Find Deal
Sat, 13 Sep - Thu, 18 Sep
Jeju Air Logo
20:05 - 23:59ICN-BKK
5h 54mdirect
Jeju Air Logo
01:00 - 08:40BKK-ICN
5h 40mdirect
$242Jeju Air
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Sat, 30 Aug - Wed, 3 Sep
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
$247AIR PREMIA
Find Deal
Fri, 22 Aug - Thu, 28 Aug
T'way Air Logo
18:00 - 22:35ICN-BKK
6h 35mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
$259T'way Air
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Fri, 29 Aug - Thu, 11 Sep
Jeju Air Logo
20:05 - 23:59ICN-BKK
5h 54mdirect
Jeju Air Logo
01:00 - 08:40BKK-ICN
5h 40mdirect
$261Jeju Air
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Sun, 10 Aug - Thu, 21 Aug
Jin Air Logo
19:55 - 23:45ICN-BKK
5h 50mdirect
Jin Air Logo
00:55 - 08:25BKK-ICN
5h 30mdirect
$265Jin Air
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Sat, 13 Sep - Fri, 19 Sep
T'way Air Logo
18:00 - 22:35ICN-BKK
6h 35mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
$273T'way Air
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Sat, 13 Sep - Fri, 19 Sep
China Southern Logo
16:45 - 10:20ICN-BKK
19h 35m1 stop
China Southern Logo
03:00 - 21:50BKK-ICN
16h 50m1 stop
$275China Southern
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Tue, 28 Oct - Fri, 31 Oct
Jin Air Logo
17:10 - 21:10ICN-BKK
6h 00mdirect
Jin Air Logo
22:25 - 05:40BKK-ICN
5h 15mdirect
$281Jin Air
Find Deal
Booking Insights

KAYAK's insights & trends for Incheon Intl to Southeast Asia flights

Get data-powered insights and trends into flights from Incheon Intl to Southeast Asia to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Incheon Intl Airport to Southeast Asia flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Incheon Intl Airport to Southeast Asia.

The cheapest ticket to Southeast Asia from Incheon Intl Airport found in the last 72 hours was to Manila, at $102 return. The most popular route is from Incheon Intl Airport (ICN) to Singapore (SIN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $827.

Can I save money by flying with a stopover from Incheon Intl Airport to Southeast Asia?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $1,099, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Incheon Intl Airport to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Incheon Intl Airport to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Incheon Intl Airport to Southeast Asia is November, when tickets cost $529 (return) on average. On the other hand, the most expensive months are October and January, when the average cost of return tickets is $924 and $810 respectively.

How far in advance should I book a flight from Incheon Intl Airport to Southeast Asia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Incheon Intl Airport to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Incheon Intl Airport to Southeast Asia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.


Good to know

Low seasonJune
Cheapest flight$100
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (34% more expensive on average)
Flight from Incheon to Bangkok

Flights from Incheon Intl to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Incheon Intl to Southeast Asia 
Kent ThienFlew with Korean AirICN-SGNFeb 2025
You have to prepare for the waiting time for immigration to Vietnam, it takes 3 hrs to go thru and it is easy to get mad of it
TomFlew with Asiana AirlinesICN-CGKJuly 2024
We spent our long layover in the transit hotel in terminal 1 of Incheon Airport. The room was small, but was also very clean and well kept. I'd highly recommend this hotel if you have a long layover. The price wasn't bad at all.

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from Incheon to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Incheon to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Incheon to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Incheon to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Incheon to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Incheon to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Incheon to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Incheon to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally in the afternoon, when retur flights cost $474 on average. Morning departures are around 2% cheaper than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the evening, which is peak travel time and where the average cost of a ticket is $548.

Top tips for finding cheap flights to Southeast Asia

  • Looking for a cheap flight? 25% of our users found tickets from Incheon to the following destinations at these prices or less: Hanoi $221 one-way - $238 round-trip; Manila $141 one-way - $517 round-trip; Singapore $238 one-way - $1,330 round-trip

Reviews of the top airlines flying from Incheon Intl to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying from Incheon to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Incheon Intl to Southeast Asia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Asiana AirlinesOverall score based on 467 reviews
7.7Entertainment
8.1Comfort
8.6Crew
8.4Boarding
8.0Food
Airline reviews

The aircraft was massive (A-380) and became crowded with 400+ passengers on board.

6.0 GoodAnonymous, July 2025ICN - JFK
Read more Asiana Airlines reviews

The aircraft was massive (A-380) and became crowded with 400+ passengers on board.

The plane hasnt left im stuck in seatle still my flight has been grounded for almost 5 hours

My luggage didn’t arrive with my flight. Flight was delayed by nearly 2 hours while we sat on the plane and I almost missed my connecting flight and subsequently missed the last train from the airport so it took me another 2 hours to get to my destination after arriving, Crew skipped me several times when offering beverages, and I couldn’t get their attention at times because they wouldn’t even make eye contact with me. They didn’t give me a form for disembarking so I had to go to the back of the line after waiting an eternity for immigration. Paid for on flight wi- fi that didn’t work for most of the flight.

Love flying Asiana. Been using it for over a decade now.

Coming back to America was a peaceful flight everyone and everything was perfect

I had a bad experience coming from America to Thailand. On my connecting flight my check in suitcase was not put on the departing aircraft, I received my suitcase 24 hours after arriving in Bangkok and when I open my luggage my hand swelled up. The next morning when I put on an outfit from my suitcase my face swelled up and became numb. My entire vacation was ruined it seems that some kind of chemical was sprayed into suitcase and ruined my clothes and got me sick. The staff at my hotel called the airline and spoke to someone and they told me to file a complaint and gave my a website to do so. I did not file a complaint I felt like it would have fell on death ears. I had to throw away my brand new vacation clothes and suitcase and I had the worst vacation ever due to this happening to me.

The staff was courteous and the flight was very smooth. It was so nice to see the captain greeting the passengers at the end of the flights.

Flight was too cold. I wore a regular cotton tee and it wasn’t enough. It was a night time flight so I would have thought a blanket would be provided to passengers. A 4 hour flight and no options for a meal? I flew Asiana the next day from Seoul to Manilla. Same duration, 4 hours. They give everyone a pillow and blanket and serve a meal. Why is United so cheap and holding back meals and amenities? Also, they promote too much gay stuff and DEI in their advertisements. Please be mindful of other beliefs and don’t shove your gay ideology down my throat.

Staff always with a smile and very helpful with my mom who has mobility issues.

It was amazing. I was not expecting the phenomenal customer service Asiana provides.

Late departure, late arrival, and personal items on laps during takeoff and landing. Departure gate opened on time, but no direction as to whether to board at front or rear of plane based on seat number. Fashionable staff with sunglasses inside the plane and cockpit remained for ten minutes after the boarding complete announcement. For a scheduled 80 minute flight, adjusted to 65 minute as noted on takeoff; the total time on the plane with delays was r more than two hours. No confidence had there been an emergency that anyone would have been able or aware of what to do.

The flight was OK, but you need to warn passengers going to Vietnam that the full first, middle and last name needs to be in the issued visa, At least 5 passengers on that pane did not have that. We all had to pay $298 each to some agent to amend the visa. At least one lady could not and was left behind.

VietJet is a discount airline like EasyJet, Flair or Spirit. I flew 3 flights in 2 weeks and all were Airbus 321's. 2 of the flights left and arrived on time and 1 left and arrived about 45minutes late. Seat pitch in economy is 29" but exit row seats have super-generous leg room. There are no power ports or entertainment of any kind. Food is best purchased on-line before the flight but there is a limited selection available in flight - cash only. The aircraft are clean and the airline is run as well as any other airline that specializes in economy passengers.

Our flight was 3 hours delayed and the airport was hectic as our boarding pass said one gate while the digital screens said another gate. Attendants were clueless and said to watch both! Vietjwt cared more about selling their merch than even providing any water for the 2 hour flight

Cheap flight but more expensive when the airlines demands you pay over 30$ for 1 kilogram overweight ( it is 8,2kg I have for carry on baggage) The flights announcement 2PM, and it departed 4 PM, no announcement for delaying, People says Vietjet is delayJet airlines in their blood.

Vietjet tried to steal extra money from passengers by forcing them to change the name on the ticket that was correctly filled in on an English form online when ticket bought online. I bought the ticket via a foreign website where the language is English, At filling in the passenger's name, it says middle name first, then first name, and last name, That the ticket done and printed. when my wife checked in the staff at the check in counter said that her name was written wrong, she must fill the name in Vietnamese style, writing the Last name first, then middle name, first name comes last, even though her name was not misspelled. At the aiport I asked the Vietjet customer service, if it is written in Vietnamese way, it will be wrong when she travel abroad ? The custom service could not answer. It took over an hour where my wife was thrown like a ball between the check-in counter, to the Vietjet customer service , then to passport control. The cost is 110,000 vnd for change place in vietnamese way, I thought if there are millions of passengers who have done the same mistake, how much money Vietjet raked in every year On the flight, it is not allowed to sit in the empty seats in front or next to me, I sat in the middle in a row where two big men were sitting, I really need to change seats but the crew asked to pay extra to buy the empty seats. It is petty and cruel of Vietjet. There is no other choice than the state-owned airline, then you have no choice but to swallow the bite

Our flight was delayed for about 3hours however the ground crew made it sure that we will not miss our connecting flight from Hanoi to incheon.

If there could be simple free food or snack or some entertainment.

Seat pitch is narrow moreover the agent assigned seat in front of emergency exit window which is not reclined. A terrible 4hr 40min flight from HAN to DPS

Horrible! As an Asian, they look down on their own skin color. Disgusting people and airlines. If you are white, they will worship you

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

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