SEL - DMK

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Everything you should know

Direct flights
Not available
There are currently no direct flights between Seoul and Bangkok Don Mueang Intl Airport. You'll need to take a connecting flight to reach the destination.
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Insights
Top routes
ICN - DMK
Cheapest • 68% average savings
GMP - DMK
Most popular
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Insights
When to book
6 weeks
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 23% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 23% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Phuket City (HKT)
Cheapest • Avg ฿11,735 (return)
Phu Quoc Duong Dang (PQC)
Shortest trip • 10h 45m (one-way)
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Insights
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We hope you enjoy your trip to Bangkok Don Mueang Intl Airport!
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Flight Deals

Cheap Flights from Seoul to Don Mueang Intl (SEL-DMK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seoul to Don Mueang Intl

Multiple Airlines Logo
SEL  Seoul All airports-DMK Bangkok Don Mueang Intl
5952 kmmulti-stop
Multiple Airlines Logo
DMK  Bangkok Don Mueang Intl-SEL Seoul All airports
5952 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Seoul to Bangkok Don Mueang Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Seoul to Bangkok Don Mueang Intl Airport flight route?

Incheon Intl Airport (ICN) to Bangkok Don Mueang Intl Airport (DMK) is the cheapest Seoul to Bangkok Don Mueang Intl Airport route, averaging ฿8,402 return. Other Seoul to Bangkok Don Mueang Intl Airport routes average ฿43,700, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Seoul to Bangkok Don Mueang Intl Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Seoul to Bangkok Don Mueang Intl Airport. It's 10% cheaper than the average day, while Thursday is the most expensive, with prices 5% higher.

What is the cheapest month to fly from Seoul to Bangkok Don Mueang Intl Airport?

•March is the cheapest month to fly from Seoul to Bangkok Don Mueang Intl Airport at ฿6,446 return.
•April (฿10,665) and June (฿9,349) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seoul to Bangkok Don Mueang Intl Airport the cheapest?

Flights from Seoul to Bangkok Don Mueang Intl Airport are cheapest 6 weeks before departure. Booking in this window typically costs about 23% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Seoul to Bangkok Don Mueang Intl Airport flights

Low season

August
Beat the crowds with an average 69% drop in travellers.
The most popular month to fly with an average 101% increase in travellers.

When to book flights from Seoul to Don Mueang Intl

Are your dates flexible? Find out the best times to travel from Seoul to Don Mueang Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Seoul to Bangkok Don Mueang Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Seoul to Bangkok Don Mueang Intl Airport?

    A direct flight from Seoul to Bangkok Don Mueang Intl Airport takes 00m, covering 5,952 km.

  • Do I need a passport to fly from Seoul to Bangkok Don Mueang Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seoul to Bangkok Don Mueang Intl Airport flight?

    Return flights from Seoul to Bangkok Don Mueang Intl Airport range from ฿6,659 to ฿10,589, with an average of ฿8,404 over the past 12 months. Anything below ฿6,659 counts as a good deal.

  • How expensive are last-minute Seoul to Bangkok Don Mueang Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the ฿8,404 route average. Book 6 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Seoul to Bangkok Don Mueang Intl Airport?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿8,398 return, compared with ฿11,735 via a stopover through Phuket City (HKT).

  • What is the standard checked bag allowance on flights from Seoul to Bangkok Don Mueang Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿1,088–฿3,375 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which airports can I use when flying from Seoul to Bangkok Don Mueang Intl Airport?

    Flights from Seoul to Bangkok Don Mueang Intl Airport may depart from several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN). Flights usually arrive at Bangkok Don Mueang Intl (DMK).

  • Which airports do connecting flights from Seoul to Bangkok Don Mueang Intl Airport pass through?

    One-stop flights from Seoul to Bangkok Don Mueang Intl Airport most commonly connect through:

    • Phuket City (HKT) – 33% of one-stop connections
    • Kaohsiung City (KHH) – 33% of one-stop connections
    • Phu Quoc Duong Dang (PQC) – 33% of one-stop connections

  • Can I save money by using flexible dates for flights from Seoul to Bangkok Don Mueang Intl Airport?

    Yes. Flexible dates can save you up to 15% on flights from Seoul to Bangkok Don Mueang Intl Airport. Tuesday is the cheapest departure day at ฿7,594 return on average, while Thursday is the most expensive at ฿8,876, a difference of ฿1,282.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Seoul to Bangkok Don Mueang Intl Airport?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 10h 22m, compared to 10h 45m via Phu Quoc Duong Dang (PQC) and 11h 04m via Kaohsiung City (KHH).

  • What is the time difference between Seoul and Bangkok Don Mueang Intl Airport?

    Bangkok Don Mueang Intl Airport is 2 hours behind Seoul (Indochina Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Bangkok Don Mueang Intl Airport?

    Some of the most popular sights in Bangkok Don Mueang Intl Airport are Victory Monument, Pratunam, and Siam Square. These are among the most viewed places in Bangkok Don Mueang Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Seoul to Bangkok Don Mueang Intl Airport flights?

    Among airlines operating Seoul to Bangkok Don Mueang Intl Airport flights:

    • Thai AirAsia: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Seoul to Bangkok Don Mueang Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Thai AirAsia: a cabin bag and a checked bag in Economy class
    • Thai Lion Air: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Seoul to Bangkok Don Mueang Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Thursday. On this route, Tuesday flights average ฿7,594, which is about ฿1,282 less than Thursday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 23% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seoul to Bangkok Don Mueang Intl Airport trip for March. Fares historically average ฿6,446 return in that month – typically ฿4,219 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Don Mueang Intl Airport.

    • Amari Don Muang Airport Bangkok
    • The Royal Bee Apart Hotel

More options for your flight from Seoul to Don Mueang Intl

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