SEL - BKK

฿4,155 Find Cheap Flights from Seoul to Bangkok Suvarnabhumi Airport – Compare and Save

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Everything you should know

Cheapest return flight
฿8,782
Typical prices: ฿7,514-฿12,460
Thai Vietjet Air
Mon 5/3Wed 30/5
ICN - BKK • Direct
Cheapest one-way flight
฿4,155
Typical prices: ฿3,716-฿6,952
Thai Vietjet Air
Thu 29/3
ICN - BKK • Direct
Direct flights
You can fly direct with Korean Air, Thai Airways, and others. Average duration is 6h 07m.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 14% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg ฿7,154 (return)
Shortest trip • 9h 14m (one-way)
Insights
Insights
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We hope you enjoy your trip to Bangkok Suvarnabhumi Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seoul to Suvarnabhumi (SEL-BKK)

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

Recent return flight deals from Seoul to Suvarnabhumi

Fri 5 Mar - Sun 30 May
Thai Vietjet Air Logo
12:10 - 16:20ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 10mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,782Thai Vietjet Air
16 hours ago
Fri 5 Mar - Sun 30 May
Thai Vietjet Air Logo
12:10 - 16:20ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 10mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,816Thai Vietjet Air
14 hours ago
Fri 9 Apr - Tue 20 Apr
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,816Thai Vietjet Air
3+ days ago
Wed 21 Apr - Sun 25 Apr
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,816Thai Vietjet Air
1 day ago
Wed 21 Apr - Sat 24 Apr
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,816Thai Vietjet Air
8 hours ago
Thu 22 Apr - Sat 24 Apr
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,816Thai Vietjet Air
8 hours ago
Thu 22 Apr - Sun 25 Apr
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,850Thai Vietjet Air
5 hours ago
Sun 25 Apr - Wed 19 May
Thai Vietjet Air Logo
10:10 - 14:00ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mdirect
Thai Vietjet Air Logo
01:25 - 09:00BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mdirect
฿8,850Thai Vietjet Air
15 hours ago
Fri 19 Feb - Tue 23 Feb
Thai Airways Logo
17:00 - 20:55ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 55mdirect
Thai Airways Logo
08:00 - 15:25BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 25mdirect
฿12,329Thai Airways
1 day ago
Thu 18 Feb - Fri 19 Feb
Thai Airways Logo
10:50 - 14:45ICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 55mdirect
Thai Airways Logo
08:00 - 15:25BKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 25mdirect
฿12,329Thai Airways
1 day ago
Booking Insights

Price, demand, and travel trends for Seoul to Bangkok Suvarnabhumi Airport flights

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

How much is a return flight from Seoul to Bangkok Suvarnabhumi Airport?

Return flights from Seoul to Bangkok Suvarnabhumi Airport typically range from ฿7,514 to ฿12,460. The lowest price found in the past 5 days was ฿8,782 on Thai Vietjet Air.

What is the cheapest Seoul to Bangkok Suvarnabhumi Airport flight route?

Seoul Gimpo Intl Airport (GMP) to Bangkok Suvarnabhumi Airport (BKK) is the cheapest Seoul to Bangkok Suvarnabhumi Airport route, averaging ฿7,367 return. Other Seoul to Bangkok Suvarnabhumi Airport routes average ฿9,736, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Seoul to Bangkok Suvarnabhumi Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Seoul to Bangkok Suvarnabhumi Airport. It's 4% cheaper than the average day, while Thursday is the most expensive, with prices 4% higher.

What is the cheapest month to fly from Seoul to Bangkok Suvarnabhumi Airport?

•March is the cheapest month to fly from Seoul to Bangkok Suvarnabhumi Airport at ฿7,026 return.
•June (฿11,822) and July (฿11,552) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 68% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seoul to Bangkok Suvarnabhumi Airport the cheapest?

Flights from Seoul to Bangkok Suvarnabhumi Airport are cheapest 6 weeks before departure. Booking in this window typically costs about 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Seoul to Bangkok Suvarnabhumi Airport flights

Low season

May

Cheapest flight

฿4,155
Beat the crowds with an average 40% drop in travellers.
The most popular month to fly with an average 37% increase in travellers.
One-way flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport

When to book flights from Seoul to Suvarnabhumi

Are your dates flexible? Find out the best times to travel from Seoul to Suvarnabhumi 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 Suvarnabhumi Airport flight questions, answered

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

  • What are the earliest and latest flights from Seoul to Bangkok Suvarnabhumi Airport?

    These are the earliest and latest flight times available from Seoul to Bangkok Suvarnabhumi Airport:

    • Earliest: departs at 07:10 and lands at 13:17
    • Latest: departs at 20:15 and lands at 02:22.

    The flight takes about 6h 07m.

  • Which cabin classes can I book on flights from Seoul to Bangkok Suvarnabhumi Airport?

    Three cabin classes are available on flights from Seoul to Bangkok Suvarnabhumi Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Seoul to Bangkok Suvarnabhumi Airport?

    A direct flight from Seoul to Bangkok Suvarnabhumi Airport takes 6h 07m, covering 5,967 km.

  • Do I need a passport to fly from Seoul to Bangkok Suvarnabhumi 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 Suvarnabhumi Airport flight?

    Return flights from Seoul to Bangkok Suvarnabhumi Airport range from ฿7,514 to ฿12,460, with an average of ฿9,735 over the past 12 months. Anything below ฿7,514 counts as a good deal.

  • How expensive are last-minute Seoul to Bangkok Suvarnabhumi Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 3% above the ฿9,735 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 Suvarnabhumi Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿7,154 return via Hanoi Noibai (HAN), compared with ฿9,800 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿511–฿3,377 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • How are flight departures from Seoul to Bangkok Suvarnabhumi Airport spread across the day?

    Evening is the busiest departure period on Seoul to Bangkok Suvarnabhumi Airport flights, with 64% leaving in that window. Morning departures account for 29%, Afternoon flights for 7%, and Night flights for 0%.

  • Which airlines offer Wi-Fi on Seoul to Bangkok Suvarnabhumi Airport flights?

    Asiana Airlines is the only airline on the Seoul to Bangkok Suvarnabhumi Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Seoul to Bangkok Suvarnabhumi Airport looking right now?

    One-way fares from Seoul to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about ฿4,584, which is 11% below the typical average for this route.

  • Which airports can I use when flying from Seoul to Bangkok Suvarnabhumi Airport?

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

  • Which airports do connecting flights from Seoul to Bangkok Suvarnabhumi Airport pass through?

    One-stop flights from Seoul to Bangkok Suvarnabhumi Airport most commonly connect through:

    • Hanoi Noibai (HAN) – 19% of one-stop connections
    • Da Nang (DAD) – 15% of one-stop connections
    • Hong Kong Intl (HKG) – 15% of one-stop connections
    • Qingdao Jiaodong Intl (TAO) – 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 8% on flights from Seoul to Bangkok Suvarnabhumi Airport. Saturday is the cheapest departure day at ฿9,424 return on average, while Thursday is the most expensive at ฿10,167, a difference of ฿743.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Seoul to Bangkok Suvarnabhumi Airport?

    9 airlines operate flights between Seoul and Bangkok Suvarnabhumi Airport. The airlines offering direct flights on this route include:

    • Korean Air
    • Thai Airways
    • Asiana Airlines
    • Eastar Jet
    • Trinity Airways (Formerly T'way Air)
    • Thai Vietjet Air

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

    Flying via Guangzhou Baiyun (CAN) gives the shortest average 1-stop total travel time of 9h 14m, compared to 9h 15m via Hong Kong Intl (HKG) and 9h 57m via Shanghai Pu Dong (PVG).

  • What is the time difference between Seoul and Bangkok Suvarnabhumi Airport?

    Bangkok Suvarnabhumi 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 Suvarnabhumi Airport?

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

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

    Among airlines operating Seoul to Bangkok Suvarnabhumi Airport flights:

    • Thai Vietjet Air: offers free seat selection
    • AIR PREMIA: offers free seat selection
    • Jeju Air: offers free seat selection
    • Thai Airways: offers free seat selection
    • Asiana Airlines: 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 Suvarnabhumi Airport flights?

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

    • Thai Vietjet Air: a cabin bag and a checked bag in Economy class
    • AIR PREMIA: a cabin bag and a checked bag in Economy class
    • Jeju Air: a cabin bag and a checked bag in Economy class

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

  • Which cities near Bangkok Suvarnabhumi (BKK) can I connect to after deplaning from my Seoul to Bangkok?

    Nearby cities include Pattaya, southeast of Bangkok, which is served by intercity coaches from Bangkok Suvarnabhumi Airport (BKK). Taxis, private transfers, buses and trains are also available to and from BKK for onward travel.

  • Can I rent a car after deplaning from Seoul to Bangkok at Bangkok Suvarnabhumi (BKK)?

    Yes. Bangkok Suvarnabhumi Airport (BKK) has at least 11 onsite car rental options in its terminals.

  • Can I comfortably fly from Seoul to Bangkok with my furry friend?

    Yes, travelers can bring a pet on this route with Jeju Air. A limited number of domestic dogs and cats are allowed on some of the airline's aircraft and routes, including Seoul to Bangkok. Under the airline's pet policy, animals must travel in a carrier stored under the seat in front of the passenger, not in the cargo hold.

Your guide to booking Seoul to Bangkok Suvarnabhumi 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 Saturday departure and avoid flying on Thursday. On this route, Saturday flights average ฿9,424, which is about ฿743 less than Thursday fares (7% 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 13% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seoul to Bangkok Suvarnabhumi Airport trip for March. Fares historically average ฿7,026 return in that month – typically ฿4,796 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Hanoi Noibai Airport (HAN) can be cheaper than flying direct. The cheapest stopover option averages ฿7,154 return on this route – about ฿2,645 less than direct flights (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 Suvarnabhumi Airport.

    • Regency Bangkok Suvarnabhumi Airpor
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
  • If you're traveling from Seoul to Bangkok's Don Mueang district, consider flying into Don Mueang International Airport (DMK) instead of Bangkok Suvarnabhumi (BKK). The airport is about 15 miles north of Downtown Bangkok.
  • Bangkok Suvarnabhumi (BKK) is Bangkok's main airport, but if you're traveling from Seoul (SEL) to Bangkok for business, consider flying into Don Mueang International Airport (DMK) instead. DMK is closer to downtown, which can make it easier to reach corporate offices.

More options for your flight from Seoul to Suvarnabhumi

Complete your trip to Bangkok with a hotel stay or car hire