Cheap flights from Portland to Calgary from C$ 113

The cheapest month to fly to Calgary from Portland is in September. Flight prices, which tend to average around C$ 315, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Calgary from Portland during October instead. Flights to Calgary in October, while not as cheap as those in September, still average around C$ 334.

The cheapest day to depart on your flight to Calgary is on a Tuesday when prices can be found for as low as C$ 376. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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$ 623.

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$ 488 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$ 338 on momondo.

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 1 per day as of May 2026. The most frequent departure time is 2:00p.m., with 100% of daily flights leaving in the afternoon.

As of May 2026, there are 8 flights per week flying from Portland to Calgary. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.