Cheap Flights from Seoul to Bangkok — $87

The route Seoul — Bangkok is served by many carriers — 12 in total, including T'way Air, Jeju Air, Eastar Jet, Thai Vietjet Air, Jin Air, Perimeter Aviation Ltd., Thai AirAsia, Vietnam Airlines, Shandong Airlines, Hong Kong Express Airways, China Eastern Airlines, and VietjetAir. This gives passengers wide opportunities: from finding the lowest fare (from $87) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

Seoul is served mainly by two airports with distinct roles. Incheon International (ICN) is the city’s principal international hub, handling most long-haul and premium carriers and often perceived as pricier for transfers and amenities; it sits roughly 48 km west of downtown and is linked by the AREX express and all-stop trains (about 43–60 minutes, fares typically mid-range), airport buses (60–90 minutes, fares vary), and taxis (60+ minutes, higher fares). Gimpo (GMP) functions as a domestic and short-haul international gateway favored by budget and regional airlines; it’s much closer at about 15 km, reachable by AREX or subway in 20–30 minutes for modest fares, buses and short taxi rides. Pros: Incheon offers extensive facilities and global connectivity; Gimpo is convenient for quick city access. Cons: Incheon’s distance can add travel time and cost, while Gimpo has fewer long-haul options and potentially smaller lounge services.

Suvarnabhumi Airport (BKK) is Bangkok’s main international gateway and a major Southeast Asian hub, typically handling most long-haul and full-service carriers while also serving some low-cost airlines. It sits about 30–35 km east of central Bangkok; road transfer by taxi or airport limo usually takes 30–60 minutes depending on traffic, with fares commonly in a moderate range relative to local standards. The Airport Rail Link connects to the city center in roughly 25–35 minutes at affordable fares, and buses and ride-hailing are widely available. Pros: modern facilities, ample international connections and frequent services; cons: can be crowded and subject to heavy road traffic for surface transfers. Don Mueang International Airport (DMK) functions as Bangkok’s budget and domestic-focused airport, typically hosting many low-cost carriers and regional flights. It’s located about 20–25 km north of central Bangkok; taxi or ride-share trips usually take 30–50 minutes depending on congestion, with fares generally lower than longer-distance transfers. There are public buses and shuttle services linking to the city and to Suvarnabhumi, and transfer times can vary. Pros: often cheaper fares and quicker turnaround for domestic trips; cons: fewer long-haul options and more basic passenger amenities compared with the main international hub.

In different months, ticket prices from Seoul to Bangkok vary: minimum — $103 (July 2026), maximum — $176 (June 2027). Typically, the flight costs $115–$128.