Cheap flights from Portland to Calgary from $104

The month of May is, on average, the cheapest month to fly to Calgary from Portland, with most prices found around $223. If you aren’t able to travel during the month of May, then book flights to Calgary from Portland during September instead. Flights to Calgary in September, while not as cheap as those in May, still average around $226.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as $287. 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 $421. 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 $331 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 $343 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 $213 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.

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

As of March 2026, prices for Portland to Calgary flights are approximately 20% more expensive when compared to flights at the same time last year.

Air Canada and Delta are the most popular carriers operating from Portland to Calgary

Air Canada, WestJet and Delta are the top three most popular airlines that fly to Calgary from Portland according to our data. Air Canada is the first choice among our users, with 42% 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.