Originfacts
Low-costAsia · South Korea
Aero K

Aero K

Aero K is a South Korean low-cost airline operating domestic and regional Asian flights, primarily from its Cheongju base.

IATA · RFICAO · FWLCustomer service · +82-1899-2299

About Aero K

Aero K is a privately owned South Korean low-cost carrier founded in 2016. It was initially established under the name K-Air Aviation before adopting the Aero K identity, and it began scheduled passenger operations in 2021 after securing its operating certificate. The airline positions itself as a streamlined alternative to South Korea’s larger network carriers and established budget airlines.

The airline’s primary operating base is Cheongju International Airport, which serves South Korea’s central provinces and provides an alternative to the busier Seoul-area airports. Aero K began with domestic service between Cheongju and Jeju and subsequently developed a regional international network encompassing Japan, Taiwan, Vietnam, the Philippines and Mongolia. Individual routes may operate seasonally or change as demand and regulatory conditions evolve.

Aero K operates aircraft from the Airbus A320 family, a common choice among short-haul low-cost airlines because it supports efficient fleet planning and relatively dense single-aisle seating. Flights are generally sold in a single economy-class cabin. The base fare is designed around transportation rather than bundled extras, so services such as checked baggage, advance seat selection and onboard refreshments may depend on the fare purchased or require an additional payment.

Aero K is not a member of Star Alliance, SkyTeam or Oneworld. It also does not operate a widely established points-based frequent-flyer programme comparable with those offered by South Korea’s major full-service airlines. Travellers should therefore evaluate its fares primarily on schedule, total trip cost and airport convenience rather than alliance connections, mileage earning or reciprocal elite benefits.

A notable strength is Aero K’s focus on Cheongju, which can make regional Asian travel more convenient for passengers living in central South Korea and reduce the need to connect through Seoul. The trade-off is a smaller network and fewer daily frequencies than those available from larger carriers. Disruptions may consequently leave fewer same-day alternatives, while optional fees can narrow the apparent price advantage if baggage and seat selection are added.

Good to know

Flying with Aero K — what to expect

Check Fare Inclusions

Aero K follows a low-cost model, so the cheapest fare may not include checked baggage, seat selection or other optional services. Compare the final price after adding everything required for the journey.

Cheongju Connections

Cheongju is Aero K’s main base and can be convenient for central South Korea, but surface travel from Seoul takes additional time. Leave a generous margin when connecting from rail or intercity transport.

Single Economy Cabin

The airline’s Airbus narrow-body aircraft are configured around economy travel rather than multiple service classes. Travellers wanting a particular seat should review the seat-selection options during booking.

Recheck Seasonal Routes

Some international services may be seasonal or operate only on selected days. Confirm the current timetable directly before arranging hotels, transfers or separate connecting flights.

Limited Recovery Options

Aero K has a smaller fleet and schedule than South Korea’s major airlines. On time-sensitive trips, consider the consequences of a cancellation because alternative same-day Aero K flights may be limited.

Route network

Popular routes operated by Aero K

Notable destinations on Aero K's network.

Aero KRFCheongjudirect
Aero KRFJejudirect
Aero KRFTokyodirect
Aero KRFOsakadirect
Aero KRFFukuokadirect
Aero KRFSapporodirect
Aero KRFTaipeidirect
Aero KRFDa Nangdirect
Aero KRFNha Trangdirect
Aero KRFManiladirect
Aero KRFAngeles Citydirect
Aero KRFUlaanbaatardirect

Destination list is indicative of Aero K's network; see the airline's official route map for its complete, current schedule.

More from South Korea

Other airlines based in South Korea

FAQ

Aero K — frequently asked questions

Quick answers to the details travellers usually check first, from codes and locations to the practical basics that help with planning.

8 common questions

How does Originfacts find low prices on Aero K flights?+
Originfacts compares live fares from hundreds of airlines and travel agencies via its partner Travelpayouts. Originfacts never adds a fee to the prices it displays.
What are the most popular airports for Aero K flights to depart from?+
Cheongju International Airport is Aero K’s principal departure point and the centre of its network. Other operating airports may appear in the schedule, but Cheongju generally offers the broadest selection of its flights.
What is the longest Aero K route?+
Aero K’s longer scheduled sectors typically include services between Cheongju and Vietnamese destinations such as Nha Trang or Da Nang. The precise longest route can change as the airline revises its seasonal network.
What is Aero K's carry-on size allowance?+
Aero K permits cabin baggage subject to its current size, weight and item limits, which can depend on the fare conditions. Check the allowance shown on the booking and the airline’s baggage page before departure, as oversized or overweight items may need to be checked for a fee.
When are Aero K plane tickets cheapest?+
Fares are often lowest when booked early for off-peak travel, particularly outside school holidays, major Korean holidays and popular weekend periods. Compare several dates and include baggage and seat fees when judging the real cost.
How many destinations does Aero K fly to?+
The exact total changes as Aero K adds, suspends or seasonally adjusts routes. Consult the airline’s current booking timetable for the most reliable destination count.
Where does Aero K fly to?+
Aero K serves Jeju within South Korea and regional destinations in markets including Japan, Taiwan, Vietnam, the Philippines and Mongolia. Its timetable can vary by season, so travellers should verify that a route is operating on their intended dates.
What is Aero K's primary hub?+
Aero K’s primary base is Cheongju International Airport in central South Korea. Much of its domestic and international schedule is built around Cheongju.