- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Seoul to Bangkok (ICN-BKK)
Prices were available within the past 7 days and start at $74 for one-way flights and $146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Incheon Intl. |
Destination airport | Suvarnabhumi Intl. |
Airlines serving | Air China, Air Macau Company, Air Premia, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Hainan Airlines, Hong Kong Airlines, Japan Airlines, Jeju Air, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Thai Airways International, Vietnam Airlines, Xiamen Airlines |
Roundtrip price | $145 |
Distance | 2277 mi |
Seoul to Bangkok Flights
The cheapest times to fly from Seoul to Bangkok
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Bangkok are during the month of May. You can find some of the cheapest flights from Seoul to Bangkok with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seoul to Bangkok
Sunday is one of the best days to book for cheap flights from Seoul to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Seoul to Bangkok
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $74 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently asked questions
Explore a world of travel with Expedia
Flights
- Alaska Airlines
- Air Canada
- Asiana Airlines
- Delta
- Cathay Pacific
- China Eastern Airlines
- China Airlines
- Philippine Airlines
- Hawaiian Airlines
- Korean Air
- United
- Air China
- American Airlines
- China Southern Airlines
- EVA Airways
- Japan Airlines
- Flights to Ko Chang
- Flights to Krabi
- Flights to Choeng Thale
- Flights to Takua Pa
- Flights to Patong
- Flights to Ko Pha-ngan
- Flights to Kamala
- Flights to Karon
- Flights to Ko Yao
- Flights to Phuket
- Flights to Rawai
- Flights to Wichit
- Flights to Ko Phi Phi
- Flights to Pattaya
- Flights to Koh Tao
- Flights to Chiang Mai
- Flights to Bangkok
- Flights to Koh Samui
- Flights to Hua Hin
- Flights to Ko Lanta
- Korean Air Seoul (ICN) to New York (JFK) flights
- Korean Air Seoul (ICN) to Honolulu (HNL) flights
- EVA Airways Los Angeles (LAX) to Bangkok (BKK) flights
- Philippine Airlines Manila (MNL) to Bangkok (BKK) flights
- EVA Airways Seattle (SEA) to Bangkok (BKK) flights
- Asiana Airlines Seoul (ICN) to Tokyo (NRT) flights
- Asiana Airlines Seoul (ICN) to Los Angeles (LAX) flights
- Flights from Seoul (ICN) to Denpasar (DPS)
- Flights from Seoul (ICN) to Taipei (TPE)
- Flights from Seoul (ICN) to New York (JFK)
- Flights from Seoul (ICN) to Sapporo (CTS)
- Flights from Seoul (ICN) to New York (LGA)
- Flights from Seoul (ICN) to Newark Liberty Intl. Airport (EWR)
- Flights from Seoul (ICN) to Honolulu (HNL)
- Flights from Bangkok (BKK) to Chiang Mai (CNX)
- Flights from Seoul (ICN) to Manila (MNL)
- Flights from Seoul (ICN) to Da Nang (DAD)
- Flights from Seoul (ICN) to Hong Kong (HKG)
- Flights from Newark Liberty Intl. Airport (EWR) to Bangkok (BKK)
- Flights from Detroit (DTW) to Bangkok (BKK)
- Flights from Phnom Penh (PNH) to Bangkok (BKK)
- Flights from Tokyo (NRT) to Bangkok (BKK)
- Flights from Seattle (SEA) to Bangkok (BKK)
- Flights from Chicago (ORD) to Bangkok (BKK)
- Flights from New York (LGA) to Bangkok (BKK)
- Flights from Portland (PDX) to Bangkok (BKK)
- Flights from Phoenix (PHX) to Bangkok (BKK)
- Flights from Male (MLE) to Bangkok (BKK)
- Flights from Phuket (HKT) to Bangkok (BKK)
- Flights from Tampa (TPA) to Bangkok (BKK)
- Flights from Washington (DCA) to Bangkok (BKK)
- Flights from Boston (BOS) to Bangkok (BKK)
- Flights from Dhaka (DAC) to Bangkok (BKK)
- Flights from Minneapolis (MSP) to Bangkok (BKK)
- Flights from Salt Lake City (SLC) to Bangkok (BKK)
- Flights from Los Angeles (LAX) to Bangkok (BKK)
- Flights from Dallas (DFW) to Bangkok (BKK)
- Flights from Atlanta (ATL) to Bangkok (BKK)
- Flights from Yangon (RGN) to Bangkok (BKK)
- Flights from New York (JFK) to Bangkok (BKK)
- Flights from Miami (MIA) to Bangkok (BKK)
- Flights from San Francisco (SFO) to Bangkok (BKK)
- Flights from Orlando (MCO) to Bangkok (BKK)
- Flights from Houston (IAH) to Bangkok (BKK)
- Flights from Washington (IAD) to Bangkok (BKK)
- Flights from Denver (DEN) to Bangkok (BKK)
- Flights from Manila (MNL) to Bangkok (BKK)
- Flights from Seoul (ICN) to Tokyo (NRT)
- Flights from Bangkok (BKK) to Krabi (KBV)
- Flights from Bangkok (BKK) to Phuket (HKT)
- Flights from Bangkok (BKK) to Los Angeles (LAX)
- Flights from Seoul (ICN) to Los Angeles (LAX)
- Flights from Muan Intl.
- Flights from Wonju
- Flights from Daegu Intl.
- Flights from Gunsan
- Flights from Gwangju Intl.
- Flights from Cheongju Intl.
- Flights from Sacheon
- Flights from Yangyang Intl.
- Flights from Gimpo Intl.
- Flights from Gangneung