Phase 1

This section does not cite any sources. (September 2016)

In Phase 1, the airport had a capacity of 30 million passengers annually, and a cargo capacity of 1,700,000 tonnes (1,673,151 long tons; 1,873,929 short tons) annually.^{[citation needed]} In this phase, a passenger terminal with a floor space of 496,000 square metres (5,338,900 sq ft), two parallel runways, a control tower, an administrative building, a transportation Centre (the Integrated Transportation Centre, designed by Terry Farrell and Partners and Samoo Architects & Engineers), an integrated operations Centre, three cargo terminals, international business Centre, and a government office building were constructed.^{[citation needed]}

Phase 2

Phase 2 construction began in 2002, and was originally expected to be completed in December 2008. However, in an attempt to have the airport ready for the 2008 Beijing Olympics, which took place in August 2008, the schedule was modified, and Phase 2 construction was completed on 20 June 2008. During this construction phase, a third parallel 4,000-metre-long (13,123 ft 4 in) runway and a 13-hectare (32.1-acre) cargo terminal area was added. A 16.5-hectare (40.8-acre) concourse connected to the main passenger building via two parallel 870-metre-long (2,854 ft 4 in) underground passageways were added, with a Mitsubishi Crystal Mover shuttle train APM shuttling passengers between the concourse and the main terminal.^[18]

Many long-distance foreign carriers were moved to the new concourse, with Korean Air and Asiana Airlines continuing to use the existing terminal.^{[citation needed]}

Phase 3

The South Korean government invested ₩4 trillion until 2017 to expand Incheon International Airport. The second passenger terminal was constructed in the northern field of the airport, and its existing cargo terminal and other infrastructures were expanded. The terminals are connected by the underground "Starline" train. Also, a Landside Connecting system (Bus shuttle) is used for airport employees and departing passengers who don't come to the right terminal. After completion, Incheon International Airport can handle 62 million passengers and 5,800,000 tonnes (5,708,398 long tons; 6,393,406 short tons) of cargo a year, up from the previous capacity of 44 million passengers and 4,500,000 tonnes (4,428,929 long tons; 4,960,401 short tons). Construction began in 2011 and was completed in 2017. The terminal opened on 18 January 2018. Incheon's expansion also includes adding more aprons to park planes and extending a railway line to the city center of Seoul about 70 kilometres (43 mi) away from the airport. The airport also signed an agreement to build a resort called "Inspire" which includes 6-star hotels, theme parks, and a casino.^[19]

Phase 4

Between 2017 and 2024, a fourth construction phase at the airport is taking place. There will be an expansion of Terminal 2, the building of a fourth runway and additional apron and car parking facilities.^[20] Following completion of the works, it is expected that the hourly flight capacity of the airport will increase from 90 to 107.^[21]

There are long-term plans for a fifth runway and a third terminal.^[22]

Terminal 1

Terminal 1 (measuring 496,000 square metres (5,338,900 sq ft)) is the largest airport terminal in the area in South Korea. Terminal 1 was designed by Curtis W. Fentress, FAIA, RIBA of Fentress Architects. It is 1,060 metres (3,480 ft) long, 149 metres (489 ft) wide, and 33 metres (108 ft) high. Its construction cost was 5.632 trillion South Korean Won.^[23] The terminal has 44 boarding ports (all of which can accommodate the Airbus A380), 50 customs inspection ports, 2 biological quarantine counters, 6 stationary and 14 portable passenger quarantine counters, 120 arrival passport inspection counters, 8 arrival security ports, 28 departure security ports, 252 check-in counters, and 120 departure passport inspection counters. In 2015, an automatic check-in counter lane was introduced, which people travelling via Korean Air, Asiana Airlines and China Southern Airlines can use. Instead of having airport staff at the counter, there is a machine where travellers input their flight information, scan their passports, receive their flight tickets and lastly, load the luggage onto the conveyor. This system was planned to be introduced in Terminal 2, but in May 2015 Incheon Airport used one of the counter islands for the unmanned luggage handling system.^[24]

In December 2023, a Oneworld-branded and operated lounges opened in Incheon Airport Terminal 1 to serve passengers flying on seven of the alliance's 13 member carriers who serve the airport: American Airlines, Cathay Pacific, Finnair, Malaysia Airlines, Qantas, Qatar Airways, and SriLankan Airlines.^[25] It is the first in a series of planned lounges under development by the alliance.^[26]

Midfield Concourse

The passenger concourse was completed at the end of May 2008. It is connected to Terminal 1 by two parallel 870-metre-long (2,850 ft) underground passageways equipped with IATs (Intra Airport Transit). It has 30 gates and six lounges.^[27]

Terminal 2

A new passenger terminal, designed by Gensler, opened on 18 January 2018, and Korean Air, KLM, Delta Air Lines, and Air France flights were relocated from Terminal 1 to Terminal 2. Other SkyTeam members such as Aeromexico, China Airlines, Garuda Indonesia, XiamenAir, Czech Airlines and Aeroflot started serving the Terminal 2 on 28 October 2018. From 1 July 2023, Jin Air, the subsidiary of Korean Air will operate at Terminal 2.^[28] And the rest of the SkyTeam members, such as Vietnam Airlines, China Eastern Airlines, Shanghai Airlines and Saudia, will be relocated to Terminal 2 after the Phase 4 construction work is completed.^[29]

Passenger

¹: Aeromexico's flight from Mexico City to Seoul–Incheon operates via Monterrey but the flight from Seoul–Incheon to Mexico City is non-stop.

Cargo

Public transport

Car

The airport provides a short-term parking lot for 4,000 cars and a long-term parking lot for 6,000 cars. Shuttle services connect the long-term parking lot to the passenger terminal and the cargo terminal. Car rental is located near the long-term parking lot. A link to the mainland is provided by the toll Yeongjong Bridge and an expressway. A second expressway on the Incheon Bridge also connects the island to central Incheon.

Top destinations

Annual traffic

Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org.

Annual passenger traffic at ICN airport. See Wikidata query.