On your own: Porto → Bilbao
For a trip of about 7 days in November 2026, the best price we have seen is $502 CAD for Montreal → Porto, plus $549 CAD for Bilbao → Montreal, $1051 CAD in total.
That is $355 CAD more than the round trip to Bilbao: the price of adventure, with no retracing your steps.
By road, expect about 693 km (about 8 h of driving) between Porto and Bilbao.
Open jaw or round trip?
A round trip brings you back to where you landed; the open jaw has you travel between the two cities.
Open jaw or round trip, month by month: Porto and Bilbao
In our scans, the open jaw between Porto and Bilbao costs $384 more on average (54%) than the best round trip to either city. The gap is smallest in January ($350 more): it is the price of landing in one city and flying home from another.
| Month | Open jaw | Porto round trip | Bilbao round trip | Versus best round trip |
|---|---|---|---|---|
| November | $1051 | $727 | $696 | $355 more |
| December | $1051 | $831 | $696 | $355 more |
| January | $1051 | $727 | $701 | $350 more |
| February | $1051 | $727 | $701 | $350 more |
| March | $1237 | $727 | - | $510 more |
For each month: the best open-jaw price (two one-way flights, stays of 7 to 7 days) and the best round trip to each of the two cities (stays of 3 to 11 days, depending on the lengths we scan). Only our latest scans are used.
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Frequently asked questions: Porto → Bilbao
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 Bilbao instead of returning to where you landed.
How much is a flight from Montreal into Porto, home from Bilbao?
For about 7 days, the best price we have seen is $1051 CAD: $502 CAD to fly into Porto and $549 CAD to fly home from Bilbao.
Is it cheaper than a round trip to Porto or Bilbao?
That is $355 CAD more than the round trip to Bilbao: the price of adventure, with no retracing your steps.
How do I get from Porto to Bilbao?
By road it is about 693 km (about 8 h of driving) from Porto to Bilbao. 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.