# How much is the cheapest flight from Cheongju to Ulsan?

| Field | Value |
|---|---|
| Origin | CJJ (Cheongju, KR) |
| Destination | USN (Ulsan, KR) |
| Cheapest observed fare | EUR 54 |
| Currency | EUR |
| Six-month low | EUR 53 |
| Cheapest observed departure date | 2026-10-28 |
| Movement | no drop recorded |
| Freshness | cached_snapshot |

## The short answer

The lowest fare AplusZ has observed from Cheongju to Ulsan is EUR 54 one way. Over the trailing six months the lowest it reached was EUR 53, on a departure dated 2026-10-28.

## What this does not guarantee

This is a cached snapshot from a recurring fare scan, not a live quote and not a bookable price. Availability, taxes, baggage and seat fees are settled at the airline or agency, not here. Check the live price before booking:

https://aplusz.app/?from=CJJ&to=USN&lang=en&utm_source=route-page

## Machine access

- Fare record: https://aplusz.app/v1/fare?from=CJJ&to=USN
- All destinations from Cheongju: https://aplusz.app/v1/routes?from=CJJ
- Tool server: https://aplusz.app/mcp (tool: find_cheapest_fare)
- Field meanings: https://aplusz.app/llms-full.txt#fields

---

HTML: https://aplusz.app/en/flights/cheongju-to-ulsan
JSON: https://aplusz.app/v1/fare?from=CJJ&to=USN
Tool: https://aplusz.app/mcp
Source: AplusZ fare scan, cached snapshot
Licence: https://aplusz.app/license.xml
Cite as: AplusZ, Cheongju to Ulsan, https://aplusz.app/en/flights/cheongju-to-ulsan