Cheap flights from Portland to Calgary from C$ 141

The cheapest month to fly to Calgary from Portland is in October. Flight prices, which tend to average around C$ 360, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Calgary from Portland during September instead. Flights to Calgary in September, while not as cheap as those in October, still average around C$ 454.

The cheapest day to depart on your flight to Calgary is on a Tuesday when prices can be found for as low as C$ 389. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 551.

Fly from Portland to Calgary for the best Portland - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 552 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Portland for as low as C$ 416 on momondo.

There is only 1 cabin class available to choose from on Portland to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Portland to Calgary.

The number of flights available between Portland and Calgary is 2 per day as of July 2026. The most frequent departure time is 2:00p.m., with 100% of daily flights leaving in the afternoon.

As of July 2026, there are 14 flights per week flying from Portland to Calgary. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.