On Ultra Lite fares, a 15kg checked bag costs JPY 5,000 online and JPY 7,000 at the airport, one way on Japan routes. On Standard and Basic Lite fares, each extra 5kg costs JPY 4,000 online, up to 24 hours before departure. (Aero K's official baggage fee page, checked on 12 October 2026.)
Aero K checked bag fees
Japan routes, one way.
| What you pay for | Price, one way |
|---|---|
| Extra 5kg (Standard / Basic Lite), online in advance | JPY 4,000 |
| Checked bag 15kg (Ultra Lite), online in advance | JPY 5,000 |
| Checked bag 30kg (Ultra Lite), online in advance | JPY 10,000 |
| Excess weight per kg (Standard / Basic Lite), airport counter | JPY 1,200 |
| Checked bag 15kg (Ultra Lite), airport counter | JPY 7,000 |
| Extra bag (6th-10th item), airport counter | JPY 4,000 |
| Checked, 1st bag, boarding gate | JPY 5,000 |
| Checked, 2nd bag, boarding gate | JPY 10,000 |
How much does a checked bag cost for a round trip on Aero K?
Our sum of Aero K's one-way prices. Aero K lists one-way prices only.
| Route | 15kg both ways, online | 15kg both ways, airport | 30kg both ways, online |
|---|---|---|---|
| Northeast Asia routes (incl. Japan) | 10,000 | 14,000 | 20,000 |
Calculated by japan-japan.com from the one-way prices on Aero K's official page (checked on 12 October 2026).
Is it cheaper to add a bag online or at the airport?
Yes, buying online in advance is cheaper: the airport counter costs JPY 2,000 more.
- Online in advanceJPY 5,000
- Airport counterJPY 7,000
- Airport counter
- JPY 2,000 more than online
Frequently asked questions
How much is a checked bag on Aero K?
On Ultra Lite fares, a 15kg checked bag costs JPY 5,000 online and JPY 7,000 at the airport, one way on Japan routes. On Standard and Basic Lite fares, each extra 5kg costs JPY 4,000 online, up to 24 hours before departure.
Is it cheaper to buy Aero K baggage online?
Yes. At the airport it costs JPY 2,000 more than buying online.
How much is a checked bag on Aero K for a round trip?
Adding up Aero K's one-way prices, 15kg both ways, online costs JPY 10,000 for a round trip.
Which flights each price covers
- Northeast Asia routes (incl. Japan)
- South Korea – Japan (Narita, Kansai, Fukuoka, Okinawa, Kitakyushu), China, Taiwan
Aero K baggage purchase rules
- Rule
- Checked baggage cannot exceed 32kg per piece and must be packaged separately if it exceeds 32kg
- Rule
- Advance purchase, cancellation and refund of checked baggage available up to 24 hours before departure; not allowed within 24 hours before departure
- Rule
- Each checked bag at the gate can weigh up to 15kg; up to two bags can be checked in at the gate
In the airline's own words
Aero KThe weight of checked baggage cannot exceed 32kg and it must be packaged separately if the weight exceeds 32kg.
Official page
Aero KAdvance purchases, cancellations, and refunds of checked baggage are available up to 24 hours before departure. Cancellations and refunds are prohibited within 24 hours before departure.
Official page