RM 324 Find Cheap Flights from Seoul to Southeast Asia – Compare and Save

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Best Southeast Asia Flight Deals from Seoul

Cheapest return prices found by our users on KAYAK in the last 5 days
Kuala Lumpur
Kuala Lumpur1 stopRM 1,164
Kota Kinabalu
Kota KinabaludirectRM 718
Kuching
Kuching1 stopRM 1,200
Penang
Penang1 stopRM 1,099
Langkawi
Langkawi1 stopRM 1,310
Kota Bharu
Kota Bharu1 stopRM 2,210
Johor Bahru
Johor Bahru1 stopRM 1,415
Kuala Lumpur
Kuala Lumpur1 stopRM 1,164
Kota Kinabalu
Kota KinabaludirectRM 718
Kuching
Kuching1 stopRM 1,200
Penang
Penang1 stopRM 1,099
Langkawi
Langkawi1 stopRM 1,310
Kota Bharu
Kota Bharu1 stopRM 2,210
Johor Bahru
Johor Bahru1 stopRM 1,415
Booking Insights

KAYAK's insights & trends for Seoul to Southeast Asia flights

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

What is the cheapest Seoul to Southeast Asia flight route?

The cheapest ticket to Southeast Asia from Seoul found in the last 5 days was to Ho Chi Minh City, at RM 586 return. The most popular route is from Incheon Intl Airport (ICN) to Ho Chi Minh City (SGN), and the cheapest return airline ticket found on this route in the last 5 days was RM 586.

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 morning, when retur flights cost RM 1,187 on average. Morning departures are around 16% cheaper 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 RM 1,876.

Can I save money by flying with a stopover from Seoul to Southeast Asia?

No, with an average price for the route of RM 1,597, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seoul to Southeast Asia?

The cheapest month for flights from Seoul to Southeast Asia is September, when tickets cost RM 888 (return) on average. On the other hand, the most expensive months are July and February, when the average cost of return tickets is RM 1,289 and RM 1,285 respectively.

What’s the cheapest day of the week to fly from Seoul to Southeast Asia?

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

How far in advance should I book a flight from Seoul to Southeast Asia?

To get a below-average price on the flight from Seoul to Southeast Asia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

June

Cheapest flight

RM 324
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly (2% more expensive on average)
Flight from Seoul Incheon Airport to Kota Kinabalu

Flights from Seoul to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Seoul to Southeast Asia 
Kent ThienFlew with Korean Air-Feb 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 Airlines-Jul 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 Seoul 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 Seoul to Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seoul 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 Seoul 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 Seoul 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 Seoul 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 Seoul to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Seoul to Southeast Asia

 
Need help choosing which airline to fly with from Seoul 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.
7.6
Jeju AirOverall score based on 38 reviews
5.9Entertainment
7.6Comfort
8.4Crew
8.0Boarding
6.0Food
Airline reviews

Tightest knee space ever experienced on any budget airline. Crew polite and efficient, take off and arrival on time. Surprised that they did not offer water on flight except as sales product. Questions about Food and entertainment not applicable since neither are offered.

8.0 ExcellentAnonymous, Dec 2025
Read more Jeju Air reviews

Tightest knee space ever experienced on any budget airline. Crew polite and efficient, take off and arrival on time. Surprised that they did not offer water on flight except as sales product. Questions about Food and entertainment not applicable since neither are offered.

At the boarding gate, Jeju airline accepted "carry on" bags for checking in for free due to the "limited cabin space". This is because most passengers were carrying multiple bags that exceed the size and weight limit for carry on items. Rather than inspecting carry-on bags at the counter and requiring excess bags to be checked in for a fee, they allowed freeloading at the boarding gate to to the detriment of those who paid the fee for checked bags. This is totally unfair.

As posred earlier the crew was very accommodating & professional. Thank You Allen

All though you can not help it the kids was loud and unruly, The crew was very accommodating and professional. Thank You Allen.

No priority counter check in for families with young children.

The flight was delayed from GUM to ICN, there was no notification on how delayed the flight would be. Although we received notice, there was no specified time given. The flight was also very uncomfortable.

Flight delayed for one hour last minute change the gate this is something new? Wak all over the airport bit fast bording to flight smd miss my meeting in kuaa lumpur is the year end meeting no internet in flught which is not good Anyway overall is good thanks to the crew on duty Un able to check in on line and choose the seat thatbi wanted and in flight meal too unable to purchase rrally sad Should get priority seat in next booking

Fast Pass but delay at Check-In Counter. Limited Counter when there are alot of ppls Check-In

We were told that flight was delayed by 20 mins, but it left close to an hour late. But they did make it up and arrived early; it's just very difficult to keep waiting when it's a late flight. Food was mediocre.

My flight boarding was interrupted as gate staff said I needed visa in advance for Vietnam....

Premium check in was worth it. Boarding process was a little chaotic. Seats were super cramped and I am less than 80kg and 180cm

Bad experience, delay like no tomorrow. Original schedule departure time at 9:30pm, delayed until 12:05am only depart.

Kayak shares with you the best price! and in my case it was Air Asia flight. Air Asia flight was on time, the boarding was seamless with FACES technology at KLIA2 and the pilot made a great smooth landing upon arrival. Excellent trip!

By the time the “sell “ cart came around to row 17 they were out of several items. This happened both leaving and arriving in Kuala Lumpur. Poor planning.

Crews could have been more friendly and helpful . One specific crew was a bit rude to some passengers

I don’t travel I need my ticket back until now am with so many communication daily to get my refund

More options for your flight to Southeast Asia

Complete your trip to Southeast Asia with a hotel stay or car hire