On your own: Porto → Madrid
For a trip of about 23 days in November 2026, the best price we have seen is $502 CAD for Montreal → Porto, plus $463 CAD for Madrid → Montreal, $965 CAD in total.
By road, expect about 578 km (about 7 h of driving) between Porto and Madrid.
Open jaw or round trip, month by month: Porto and Madrid
In our scans, the open jaw between Porto and Madrid costs $319 more on average (48%) than the best round trip to either city. The gap is smallest in April ($250 more): it is the price of landing in one city and flying home from another.
| Month | Open jaw | Porto round trip | Madrid round trip | Versus best round trip |
|---|---|---|---|---|
| November | $965 | $831 | $642 | $323 more |
| December | $1071 | $887 | $788 | $283 more |
| January | $965 | $727 | $637 | $328 more |
| February | $1046 | $727 | $647 | $399 more |
| March | $966 | $727 | $637 | $329 more |
| April | $966 | $836 | $716 | $250 more |
For each month: the best open-jaw price (two one-way flights, stays of 23 to 23 days) and the best round trip to each of the two cities (stays of 19 to 27 days, depending on the lengths we scan). Only our latest scans are used.
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Frequently asked questions: Porto → Madrid
What is an open-jaw flight?
An open-jaw (or multi-city) flight arrives in one city and leaves from another. Here you arrive in Porto and fly home from Madrid instead of returning to where you landed.
How much is a flight from Montreal into Porto, home from Madrid?
For about 23 days, the best price we have seen is $965 CAD: $502 CAD to fly into Porto and $463 CAD to fly home from Madrid.
How do I get from Porto to Madrid?
By road it is about 578 km (about 7 h of driving) from Porto to Madrid. Train, bus or a rental car are the usual options; that cost is not included in the prices shown.
Are these prices guaranteed?
No. They are the best prices from our latest scan and they change often. Check the final price on Google Flights before you book.