Cheap flights from Portland to Calgary from $169

The month of October is, on average, the cheapest month to fly to Calgary from Portland, with most prices found around $305. If you aren’t able to travel during the month of October, then book flights to Calgary from Portland during August instead. Flights to Calgary in August, while not as cheap as those in October, still average around $346.

The cheapest day to depart on your flight to Calgary is on a Saturday when prices can be found for as low as $316. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to Calgary on a Monday will generally be more expensive and average around $476. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Calgary is in the morning when flights can be purchased for as low as $296. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $365 on average. Flights to Calgary from Portland at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $394 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 $277 on momondo.

There are 4 cabin classes 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.

You could potentially save up to 9% on your flight if you consider stops on a Portland to Calgary flight.

As of October 2026, prices for Portland to Calgary flights are approximately 198% more expensive when compared to flights at the same time last year.

Air Canada, United Airlines, and Alaska Airlines are the most popular carriers operating from Portland to Calgary

WestJet, Air Canada and Delta are the top three most popular airlines that fly to Calgary from Portland according to our data. WestJet is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 4 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Vancouver (YVR) was the most common stop: 94% of momondo users choosing 1-stop flights on this route connected there.

Flights via Vancouver (YVR) offer the lowest average round-trip price of $390.

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 4h 57m.

Vancouver (YVR) has the shortest average layover time for this route: 2h 03m.