$166+ Cheap flights from Portland (PDX) to Montreal (YMQ)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YMQ
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montreal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Montreal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to MontrealExplore the most affordable flight options available from Portland to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Portland to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Flightnetwork deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:30 pm -
2 stops12h 40m
Fri 10/238:15 am -
2 stops13h 56m
Deal found 9/15![Air Canada logo]()
$330
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
1 stop13h 35m
Sun 10/47:15 am -
1 stop9h 35m
Deal found 9/15![WestJet logo]()
$345
This Flighttix deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:30 pm -
2 stops12h 40m
Sun 10/47:15 am -
1 stop9h 35m
Deal found 9/15![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:33 pm -
1 stop9h 43m
Wed 10/2111:23 am -
1 stop13h 04m
Deal found 9/15![United Airlines logo]()
$370
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:00 am -
1 stop7h 43m
Mon 11/27:30 am -
1 stop10h 11m
Deal found 9/15![Air Canada logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:30 pm -
1 stop8h 10m
Fri 10/166:35 pm -
1 stop8h 59m
Deal found 9/14![United Airlines logo]()
$389
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:20 pm -
2 stops12h 50m
Mon 11/27:30 am -
1 stop10h 11m
Deal found 9/15![Air Canada logo]()
$391
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 am -
2 stops13h 17m
Mon 11/167:30 am -
1 stop10h 11m
Deal found 9/14![Multiple Airlines logo]()
$394
Best flights from Portland to MontrealDiscover carefully curated flight deals from Portland to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Portland to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 pm -
2 stops14h 15m
Tue 10/206:00 am -
1 stop7h 41m
Deal found 9/16![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:33 pm -
1 stop9h 43m
Wed 10/2111:23 am -
1 stop13h 04m
Deal found 9/18![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:00 pm -
2 stops14h 15m
Tue 11/107:00 am -
2 stops16h 04m
Deal found 9/16![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:27 pm -
1 stop17h 13m
Tue 10/209:45 am -
1 stop15h 38m
Deal found 9/19![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:54 am -
1 stop8h 33m
Sun 9/2712:48 pm -
1 stop12h 11m
Deal found 9/15![Delta logo]()
$441
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:33 pm -
2 stops12h 07m
Fri 10/236:35 pm -
1 stop8h 59m
Deal found 9/16![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:50 am -
2 stops12h 16m
Wed 10/212:20 pm -
1 stop8h 50m
Deal found 9/18![United Airlines logo]()
$451
Last-minute flights from Portland to MontrealDiscover last-minute flight deals from Portland to Montreal. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montreal. Data last updated September 20, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
1 stop13h 35m
Sun 10/47:15 am -
1 stop9h 35m
Deal found 9/15![WestJet logo]()
$345
This Flighttix deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:30 pm -
2 stops12h 40m
Sun 10/47:15 am -
1 stop9h 35m
Deal found 9/15![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:30 pm -
1 stop8h 10m
Fri 10/166:35 pm -
1 stop8h 59m
Deal found 9/14![United Airlines logo]()
$389
This Flightnetwork deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:30 pm -
2 stops12h 40m
Fri 10/238:15 am -
2 stops13h 56m
Deal found 9/15![Air Canada logo]()
$330
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:33 pm -
1 stop9h 43m
Fri 10/238:15 am -
2 stops13h 56m
Deal found 9/15![Multiple Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:33 pm -
1 stop9h 43m
Wed 10/2111:23 am -
1 stop13h 04m
Deal found 9/15![United Airlines logo]()
$370
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:00 am -
1 stop7h 43m
Mon 11/27:30 am -
1 stop10h 11m
Deal found 9/15![Air Canada logo]()
$386
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:20 pm -
2 stops12h 50m
Mon 11/27:30 am -
1 stop10h 11m
Deal found 9/15![Air Canada logo]()
$391
One-way flights from Portland to MontrealSearch for one-way flight options from Portland to Montreal. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Portland to Montreal. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:00 am -
1 stop7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$166
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:58 am -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$171
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:00 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$193
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:49 pm -
2 stops10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$203
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:00 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air Canada logo]()
$217
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:26 pm -
2 stops15h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:55 pm -
2 stops13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$251
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:10 am -
3 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$304
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
3 stops47h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$331
Find flight deals from Portland to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $330 (Flightnetwork) |
One-way from | $166 (Air Canada) |
Popular in | December |
Cheapest in | January |
Average price | $497 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Portland to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Thu 10/29
11:00 pm-4:15 pm
2 stops14h 15m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$176
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Tue 9/29
5:00 am-10:06 pm
2 stops14h 06m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$176
Quickest round-trip
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Wed 11/4
10:00 am-8:30 pm
1 stop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$193
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Tue 11/3
10:00 am-8:30 pm
1 stop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$193
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Sat 11/7
11:09 pm-3:28 pm
2 stops13h 19m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$203
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Wed 12/9
7:00 am-10:53 pm
2 stops12h 53m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$203
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Tue 12/8
11:59 am-11:33 pm
2 stops8h 34m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$203
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Tue 11/3
11:49 pm-1:44 pm
2 stops10h 55m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$203
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Thu 10/29
7:05 am-7:28 pm
1 stop9h 23m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$215
PortlandMontreal
PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl
PDXYUL
Portland
Sun 11/8
7:00 am-7:35 pm
1 stop9h 35m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$215
Showing 1-10 of 19 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Portland-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Montreal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from Portland with our price prediction graph.
PDX-YMQ
PDX-YUL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montreal
PDX-YMQ
PDX-YUL
What is the cheapest month to book a flight from Portland to Montreal?
Currently, January is the cheapest month in which you can book a flight from Portland to Montreal (average of $313). Flying from Portland to Montreal in December is currently the most expensive (average of $674). 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.
How much does it cost to fly round-trip from Portland to Montreal?
Airfare is below average for this route at the moment.
Portland to Montreal flights typically cost between $430 and $598 in October.The cheapest round-trip price found within the last 5 days was $330 on Air Canada (Oct 15-Oct 23).
How far ahead should I book a flight from Portland to Montreal?
The best time to book flights from Portland to Montreal is 83 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.
Reviews of airlines servicing Montreal
Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated September 20, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada from Portland to Montreal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Portland to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Portland to Montreal
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Complete your trip
Complete your trip to Montreal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Montreal by cabin class
Find flights from Portland to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Portland and Montreal flights
Browse other Portland and Montreal flight options. Last updated on September 20, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Montreal
Discover the top 4 airlines that operate flights from Portland to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$487 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$195 | Average$625 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$324 | Average$577 | FlexibilityNo cancel fee | On-time71% |