# How much is the cheapest flight from Istanbul to Banja Luka?

| Field | Value |
|---|---|
| Origin | IST (Istanbul, TR) |
| Destination | BNX (Banja Luka, BA) |
| Cheapest observed fare | EUR 113 |
| Currency | EUR |
| Six-month low | EUR 73 |
| Cheapest observed departure date | 2026-12-10 |
| Movement | no drop recorded |
| Freshness | cached_snapshot |

## The short answer

The lowest fare AplusZ has observed from Istanbul to Banja Luka is EUR 113 one way. Over the trailing six months the lowest it reached was EUR 73, on a departure dated 2026-12-10.

## 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=IST&to=BNX&lang=en&utm_source=route-page

## Machine access

- Fare record: https://aplusz.app/v1/fare?from=IST&to=BNX
- All destinations from Istanbul: https://aplusz.app/v1/routes?from=IST
- 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/istanbul-to-banja-luka
JSON: https://aplusz.app/v1/fare?from=IST&to=BNX
Tool: https://aplusz.app/mcp
Source: AplusZ fare scan, cached snapshot
Licence: https://aplusz.app/license.xml
Cite as: AplusZ, Istanbul to Banja Luka, https://aplusz.app/en/flights/istanbul-to-banja-luka