We've scanned every flight from Portland Oregon to Toronto to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 29 / Apr / 2025. If that day's no good for you, try searching by month to see some alternative dates.
You can use the filters on your search to see more flights and find cheaper rates – Toronto has more than one airport. So if you don't need to fly into Toronto Lester B. Pearson International Airport, it's worth checking your other options.
Keep your eye out for flights
If you're planning on going to Toronto during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.