BKK - ICN

$139 Find Cheap Flights from Bangkok to Incheon - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$266
Typical prices: $245-$390
Thai Vietjet Air, Vietnam Airlines
Wed 10/3Wed 10/10
BKK - ICN • Non-stop
Cheapest non-stop
$268
Typical prices: $245-$394
Thai Vietjet Air, AIR PREMIA
Wed 8/29Tue 9/4
BKK - ICN • Non-stop
Advice from real travelers
Asiana Economy Smartium adds 4 inches of legroom; 777 9-seat rows feel roomier.
Korean Air economy includes complimentary meals; pick an aisle seat for comfort.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Korean Air, Thai Airways and others. Average duration is 5h 30m.
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $248 (round-trip)
Shortest trip • 8h 47m (one-way)
Insights
Insights
Start a new search
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We hope you love your trip to Incheon Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Bangkok to Incheon Intl (BKK-ICN)

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

Recent round-trip flight deals from Bangkok to Incheon Intl

Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
2:25 am - 10:00 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mnonstop
Multiple Airlines Logo
12:30 am - 5:05 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
18h 35m1 stop Da Nang
$266Multiple Airlines
Tue, Sep 22 - Sat, Sep 26
Multiple Airlines Logo
7:30 pm - 6:40 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
9h 10m1 stop Ho Chi Minh City
Multiple Airlines Logo
7:55 pm - 11:45 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mnonstop
$268Multiple Airlines
Sat, Sep 5 - Tue, Oct 6
Thai Vietjet Air Logo
2:25 am - 10:00 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mnonstop
Thai Vietjet Air Logo
12:10 pm - 4:00 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mnonstop
$270Thai Vietjet Air
Sat, Aug 29 - Sun, Sep 6
Thai Vietjet Air Logo
2:25 am - 10:00 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mnonstop
Thai Vietjet Air Logo
12:10 pm - 4:00 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
5h 50mnonstop
$272Thai Vietjet Air
Wed, Sep 2 - Tue, Sep 8
Jeju Air Logo
1:10 am - 8:55 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 45mnonstop
Jeju Air Logo
8:05 pm - 12:10 amICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 05mnonstop
$273Jeju Air
Mon, Sep 7 - Sat, Sep 12
T'way Air Logo
12:05 am - 7:40 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mnonstop
T'way Air Logo
6:00 pm - 10:05 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 05mnonstop
$274T'way Air
Fri, Sep 4 - Sun, Sep 13
T'way Air Logo
12:05 am - 7:40 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 35mnonstop
T'way Air Logo
6:00 pm - 10:05 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 05mnonstop
$277T'way Air
Thu, Oct 1 - Sat, Oct 10
Jeju Air Logo
1:10 am - 8:55 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 45mnonstop
Jeju Air Logo
8:05 pm - 12:10 amICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 05mnonstop
$296Jeju Air
Wed, Sep 2 - Thu, Sep 10
Asiana Airlines Logo
1:35 am - 8:55 amBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 20mnonstop
Asiana Airlines Logo
7:35 pm - 11:35 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 00mnonstop
$314Asiana Airlines
Thu, Sep 3 - Tue, Sep 8
Asiana Airlines Logo
11:45 am - 7:25 pmBKK  Bangkok Suvarnabhumi-ICN Incheon Intl
5h 40mnonstop
Asiana Airlines Logo
7:35 pm - 11:35 pmICN  Incheon Intl-BKK Bangkok Suvarnabhumi
6h 00mnonstop
$314Asiana Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport with more confidence.

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

Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Incheon Intl Airport, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Incheon Intl Airport at $232 round-trip.
  • April ($377) and May ($367) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 62% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Bangkok Suvarnabhumi Airport to Incheon Intl Airport the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport are cheapest 3 weeks before departure. Booking in this window typically costs about 16% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Bangkok to Incheon Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Asiana Airlines

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Robert Schrader

Robert Schrader

Expert on Korean Air and ICN

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Duncan Madden

Duncan Madden

Expert on BKK

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Key details for Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights

Low season

February

Cheapest flight

$139
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Bangkok Suvarnabhumi Airport to Incheon Intl Airport

When to book flights from Bangkok to Incheon Intl

Are your dates flexible? Find out the best times to travel from Bangkok to Incheon Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Bangkok to Incheon Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Bangkok to Incheon Intl 
Verified travelerFlew with Asiana AirlinesJun 2025
Do not check a suitcase take a carry on
Verified travelerFlew with Hawaiian AirlinesSep 2024
I will not fly to ICN and transfer to Hawaiian again. Both Asiana and KAL are good flights to ICN. And their lounges are both good. But if flying onward, stay with Asiana or KAL connections. ICN doesn’t do terminal connections well.
ArthurFlew with DeltaJul 2024
Make sure to select an aisle seat. Korean Aur flight attendants are. very nice and try to help . My overhearing light was broken !

Your Bangkok Suvarnabhumi Airport to Incheon Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Among airlines operating Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights:

    • Thai Vietjet Air: offers free seat selection
    • Thai Airways: offers free seat selection
    • Asiana Airlines: offers free seat selection
    • Korean Air: offers extra legroom; offers free seat selection

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

  • What airlines are available from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    9 airlines operate flights between Bangkok Suvarnabhumi Airport and Incheon Intl Airport. The airlines offering nonstop flights on this route include:
    • Korean Air
    • Thai Airways
    • Asiana Airlines
    • T'way Air
    • Jeju Air
    • Thai Vietjet Air

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

    Flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Incheon Intl (ICN).

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights?

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

    • AIR PREMIA: a cabin bag and a checked bag in Economy Class
    • Thai Vietjet Air: a cabin bag and a checked bag in Economy Class
    • Thai Airways: a cabin bag and a checked bag in Economy Class

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

  • What cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Ho Chi Minh City (SGN), compared to $313 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $15–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by T'way Air and Jeju Air. Other aircraft seen on the route include Boeing 737 variants.

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

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

    • Hong Kong Intl (HKG) - 48% of one-stop connections
    • Hanoi Noibai (HAN) - 21% of one-stop connections
    • Ho Chi Minh City (SGN) - 8% of one-stop connections
    • Guangzhou Baiyun (CAN) - 6% of one-stop connections

    Hong Kong Intl (HKG) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 16% on the Bangkok Suvarnabhumi Airport to Incheon Intl Airport route. Tuesday is the cheapest departure day at $290 round-trip on average, while Sunday is the most expensive at $344, a difference of $54. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to Incheon Intl Airport route, 26% of flights were delayed in the past 3 months, with delays averaging 2 hours 3 minutes.

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

    Night is the busiest departure period on Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights, with 76% of flights leaving in that window. Morning departures account for 24%, afternoon flights for 0%, and evening flights for 0%.

  • What popular places can I visit in Incheon Intl Airport?

    Some of the most popular sights in Incheon Intl Airport are Unseo Station, Incheon International Airport Terminal 1 Station and Songdo Convensia. These are among the most viewed places in Incheon Intl Airport on KAYAK.

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

    A nonstop flight from Bangkok Suvarnabhumi Airport to Incheon Intl Airport takes 5h 30m, covering 2,276 miles.

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

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

    • Earliest: departs at 12:05 am and lands at 5:35 am
    • Latest: departs at 11:55 pm and lands at 5:25 am.

    The flight takes about 5h 30m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 0% above the route average of $311. Book 3 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Incheon 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 are flight prices from Bangkok Suvarnabhumi Airport to Incheon Intl Airport looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Incheon Intl Airport are currently lower than usual. Average one-way flight prices are about $153, which is 19% below the typical average for this route.

  • How does AIR PREMIA’s on-time performance compare to other airlines on Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights?

    AIR PREMIA is slightly above the route average for timely arrivals, while Air Busan has a lower on-time arrival rate. On-time arrival rates on Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights are:

    • AIR PREMIA: 94% on time
    • Air Busan: 91% on time
    • Thai Airways: 87% on time

    Overall, flights on this route are on time 74% of the time on average.

  • How do delay rates compare for morning and evening flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Bangkok Suvarnabhumi Airport to Incheon Intl Airport?

    Flying via Beijing Capital (PEK) gives the shortest average 1-stop total travel time at 8h 47m, compared with 9h 03m via Da Nang (DAD) and 9h 50m via Guangzhou Baiyun (CAN).

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

    Incheon Intl Airport is 2 hours ahead of Bangkok Suvarnabhumi Airport (Korean Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Incheon Intl Airport (ICN)?

    Incheon Intl Airport (ICN) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include:
    · WECAR
    · Wheego
    · Yesaway
    · Alamo
    · Enterprise Rent-A-Car

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to Incheon Intl Airport flight?

    Round-trip flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport range from $245 to $390, with an average of $311 over the past 12 months. Anything below $245 counts as a good deal.

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

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

Your guide to booking Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $290 - about $54 less than Sunday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 16% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Incheon Intl Airport trip for September. Fares historically average $232 round-trip in that month - typically $145 less than the most expensive month, which is April (based on the last 12 months).
  • If arriving on time is high on your priority list, AIR PREMIA is the strongest pick on this route. 94% of AIR PREMIA flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 74%. When flights on this route do arrive late, the average delay is 2 hours 3 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Ho Chi Minh City Airport (SGN) can be cheaper than flying direct. The cheapest layover option averages $248 round-trip on this route - about $65 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 Incheon Intl Airport.
    - Grand Hyatt Incheon
    - Best Western Premier Incheon Airport
    - Hotel Hu Incheon Airport

Prefer to fly direct from Bangkok to Incheon?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to Incheon Intl Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to Incheon Intl

Monday

Asiana Airlines,Jeju Air,Jin Air, +6 more

Asiana Airlines,Jeju Air, +7 more

Tuesday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Wednesday

Asiana Airlines,Jeju Air,Jin Air, +5 more

Asiana Airlines,Jeju Air, +6 more

Thursday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Friday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Saturday

Asiana Airlines,Jeju Air,Jin Air, +5 more

Asiana Airlines,Jeju Air, +6 more

Sunday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

See more direct flights

Direct returns

Incheon Intl to Bangkok Suvarnabhumi

Monday

Asiana Airlines,Jeju Air,Jin Air, +6 more

Asiana Airlines,Jeju Air, +7 more

Tuesday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Wednesday

Asiana Airlines,Jeju Air,Jin Air, +5 more

Asiana Airlines,Jeju Air, +6 more

Thursday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Friday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

Saturday

Asiana Airlines,Jeju Air,Jin Air, +5 more

Asiana Airlines,Jeju Air, +6 more

Sunday

AIR PREMIA,Asiana Airlines,Jeju Air, +6 more

AIR PREMIA,Asiana Airlines, +7 more

See more direct flights

Everything you need to know for your flight from Bangkok to Incheon Intl

Information on your arrival and departure airports