# Flights from Belfast (BFS) to Porto (OPO)

1 direct, 37 routes with 1 stop, 3688 with 2 stops. Straight-line distance 1504 km.

## Direct

Ryanair, Ryanair UK flies direct, about 1503 km.

## Shortest routes

- BFS → OPO · 1503 km · about 150 min · 0 stops
- BFS → BRS → OPO · 1649 km · about 290 min · 1 stop
- BFS → LPL → OPO · 1679 km · about 285 min · 1 stop
- BFS → MAN → OPO · 1726 km · about 300 min · 1 stop
- BFS → BHX → OPO · 1737 km · about 300 min · 1 stop
- BFS → LBA → OPO · 1807 km · about 305 min · 1 stop
- BFS → GLA → OPO · 1830 km · about 300 min · 1 stop
- BFS → LTN → OPO · 1838 km · about 310 min · 1 stop

## How to query this

- JSON: https://travel.buy-it.gr/api/v1/routes/BFS/OPO
- This page: https://travel.buy-it.gr/api/v1/routes/BFS/OPO.md
- HTML, English: https://travel.buy-it.gr/en/flights/BFS-OPO
- All routes: https://travel.buy-it.gr/api/search?from=BFS&to=OPO&maxStops=2
- Operating days for one leg: https://travel.buy-it.gr/api/leg?from=BFS&to=OPO
- Price a path on one date: https://travel.buy-it.gr/api/price?path=BFS,OPO&date=2026-10-09

Replace airport codes in any of those URLs. `path` is comma-separated IATA codes, 2 to 5 airports. `date` is YYYY-MM-DD. `carriers` is optional, legs joined by `|` and airlines inside a leg joined by `.`, for example `FR|LO`.

The first flight must leave on `date`. Each following flight may leave that same day or the next day, and must depart at least 90 minutes after the previous flight lands. A response with `partial: true` on a calendar lists days a source has seen. It does not prove the other days are empty.

No API key. Responses are JSON unless the URL ends in `.md`. Prices are euros. `total: null` means no fare was found for the first flight on that date.