Cheap Flights from Chicago to Seoul — $701

In different months, ticket prices from Chicago to Seoul vary: minimum — $721 (May 2026), maximum — $794 (April 2027). Typically, the flight costs $758–$794.

Chicago is served mainly by two commercial airports. O’Hare International (ORD) is the city’s primary international hub and a major United and American Airlines gateway; it typically handles more long‑haul and connecting flights and can be pricier but offers wide routings. It sits about 17–20 miles northwest of downtown; travelers usually reach the Loop by Blue Line rail (35–50 minutes, moderate fare) or taxis/rideshares (40–60 minutes, higher cost). Pros: extensive flight choices and frequent service; cons: large layout and potential for delays and longer transfer times. Midway International (MDW) functions as the budget/domestic alternative, favored by low‑cost and leisure carriers such as Southwest. Located roughly 10–12 miles southwest of downtown, Midway is often quicker to reach — CTA Orange Line rail takes about 25–35 minutes with modest fares, while a taxi or rideshare is typically 25–40 minutes and may cost less than from O’Hare. Pros: easier navigation and shorter ground travel; cons: fewer international connections and more limited late‑night options. Both airports offer shuttle services, rental cars and airport shuttles; which is best can depend on ticket price, schedule and proximity to your destination.

Seoul is served primarily by two airports with distinct roles. Incheon International (ICN) is the major international hub handling most long-haul and premium carriers; it’s typically seen as a full-service airport with extensive amenities about 48 km west of central Seoul, reachable in roughly 45–60 minutes by express train (AREX) or 60–90 minutes by car depending on traffic, with fares often in the mid-range for rail and higher for taxis. Gimpo (GMP) functions more as a domestic and short-haul gateway used by budget and legacy carriers for regional flights; it’s much closer, around 15 km from downtown, usually a 20–30 minute drive or 20–25 minute subway trip with lower fares. Pros: ICN offers greater international connectivity and comfort, while Gimpo provides quicker access to the city; cons: ICN can involve longer transfers and travel time to downtown, whereas Gimpo has fewer long-haul options.

The route Chicago — Seoul is served by many carriers — 4 in total, including Korean Air, Eva Air, Alaska Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $701) 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.