Cheap flights from Madrid to Porto
Cheapest current fares: $21 in September 2026, 437 km direct flight in ~31m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Madrid (MAD) to Porto (OPO). Refreshed daily.
Madrid (MAD) → Porto (OPO)
- September 2026 $21
- October 2026 $26
- August 2026 $31
- November 2026 $33
- December 2026 $38
- July 2026 $160
Frequently asked questions
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What is the cheapest month to fly from Madrid to Porto?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Madrid (MAD) to Porto (OPO), with fares starting from $21.
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What is the lowest current fare from MAD to OPO?
The lowest currently-listed fare from Madrid (MAD) to Porto (OPO) is $21 on 2026-09-02.
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How long is the flight from Madrid to Porto?
Direct flights from MAD to OPO cover approximately 437 km (272 miles), with an estimated flight time of 31m. Operating airlines: ET, FR, IB, UX.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.