
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $411 (Delta) | 
| One-way from | $138 (American Airlines) | 
| Popular in | March | 
| Cheapest in | August | 
| Average price | $477 | 
Fly from
Fly to
Route
Depart
Return
Price
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Wed 11/19
12:35 am-5:21 pm
2 stops13h 46m
Montreal Pierre Elliott Trudeau Intl
Sun 11/23
7:10 am-12:48 pm
1 stop8h 38m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Wed 11/19
12:35 am-5:21 pm
2 stops13h 46m
Montreal Pierre Elliott Trudeau Intl
Mon 11/24
12:45 pm-10:21 pm
1 stop12h 36m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Wed 11/19
12:35 am-5:21 pm
2 stops13h 46m
Montreal Pierre Elliott Trudeau Intl
Tue 11/25
12:50 pm-10:05 pm
1 stop12h 15m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Thu 11/13
11:59 pm-3:05 pm
1 stop12h 06m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Thu 11/13
10:10 pm-3:55 pm
2 stops14h 45m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Sun 11/23
10:10 pm-3:55 pm
2 stops14h 45m
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Sat 11/22
7:00 pm-10:23 am
2 stops12h 23m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | 
The best time to book flights from Portland to Montreal is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Portland to Montreal (average of $176). Flying from Portland to Montreal in April is currently the most expensive (average of $423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the evening, when flights are generally more expensive, you can save up to 13% on flights from Portland to Montreal by exploring options for tickets in the afternoon.
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$171 | Average$733 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$220 | Average$507 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$315 | Average$549 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$524 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$324 | Average$555 | FlexibilityNo cancel fee | On-time71% |