Cheap Flights from Portland (PDX) to St. Catharines (YCM)

Popular airlines from Portland International Airport (PDX) to St. Catharines, ON (YCM-Niagara District)

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Alternative airports near St. Catharines

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 51 minutes. Flights from $442
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center51 min
Flights from $442

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District) cost?
Lock in a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District)?
The cheapest month to fly from PDX to YCM is , when demand is low. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to YCM flight.
How many flights per day from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District)?
There are no daily direct flights from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PDX to YCM?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District)?
Select a flight from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District) last-minute?
Last-minute fares from PDX to YCM are generally more expensive. To lock in the cheapest rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a PDX to YCM flight and hotel package?
You'll typically save money by securing a PDX to YCM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to St. Catharines, ON (YCM-Niagara District)?
If you booked your PDX to YCM flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Niagara District
Distance
2123 mi

Book with confidence

Book with confidence

Portland to St. Catharines Flights

The cheapest times to fly from Portland to St. Catharines

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to St. Catharines are during the month of . You can find some of the cheapest flights from Portland to St. Catharines with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to St. Catharines

Sunday is one of the best days to book for cheap flights from Portland to St. Catharines: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to St. Catharines

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to St. Catharines in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to St. Catharines flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to St. Catharines airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to St. Catharines Flights

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