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Cheap flights from Montreal to Portland from C$ 260

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PDX
4 Aug — 11 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Portland
Explore the most affordable flight options available from Montreal to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2026.

Tue 13/106:35 p.m.
YUL
-
PDX
1 stop18h 40m
United Airlines
Sat 17/102:27 p.m.
PDX
-
YUL
1 stop17h 13m
United Airlines
Deal found 3/7C$ 436
Sat 22/86:35 p.m.
YUL
-
PDX
1 stop18h 36m
United Airlines
Sat 29/811:02 p.m.
PDX
-
YUL
1 stop15h 28m
United Airlines
Deal found 2/7C$ 440
Wed 9/99:15 a.m.
YUL
-
PDX
1 stop13h 55m
United Airlines
Sat 12/94:07 p.m.
PDX
-
YUL
2 stops15h 33m
United Airlines
Deal found 2/7C$ 441
Sat 22/84:15 p.m.
YUL
-
PDX
1 stop22h 35m
American Airlines
Sat 29/811:58 a.m.
PDX
-
YUL
2 stops24h 31m
American Airlines
Deal found 4/7C$ 443
Wed 30/97:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Wed 7/102:30 p.m.
PDX
-
YUL
2 stops30h 55m
WestJet
Deal found 1/7C$ 446
Wed 30/99:45 a.m.
YUL
-
PDX
2 stops11h 01m
United Airlines
Wed 7/107:02 a.m.
PDX
-
YUL
1 stop7h 28m
United Airlines
Deal found 3/7C$ 450
Sat 22/86:35 p.m.
YUL
-
PDX
1 stop18h 36m
Lufthansa
Sat 29/83:43 p.m.
PDX
-
YUL
1 stop13h 33m
Lufthansa
Deal found 4/7C$ 457
Tue 29/94:15 p.m.
YUL
-
PDX
1 stop10h 13m
American Airlines
Tue 6/1010:55 p.m.
PDX
-
YUL
2 stops13h 32m
American Airlines
Deal found 5/7C$ 460
Sat 8/84:15 p.m.
YUL
-
PDX
1 stop22h 35m
American Airlines
Mon 24/811:34 p.m.
PDX
-
YUL
1 stop14h 16m
American Airlines
Deal found 2/7C$ 461
Thu 13/89:45 a.m.
YUL
-
PDX
1 stop16h 07m
United Airlines
Tue 25/811:02 p.m.
PDX
-
YUL
1 stop15h 28m
United Airlines
Deal found 3/7C$ 463

Find flight deals from Montreal to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Portland (PDX). 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 5 July 2026.

Round-trip from

C$ 436

One-way from

C$ 260

Popular in

January

Cheapest in

December

Average price

C$ 650
United Airlines
  • United Airlines
  • 13/10-17/10
  • 2 total stops
  • 35h 53m total
  • Montreal to Portland
Search Deals
American Airlines
  • American Airlines
  • 5/9
  • 1 total stop
  • 9h 23m total
  • Montreal to Portland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Portland 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 629,999 searches. Data last updated 5 July 2026.
Use the filters below to find and compare flights from Montreal to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:35 p.m.-10:15 a.m.

1 stop18h 40m

Portland

Sat 17/10

2:27 p.m.-10:40 a.m.

1 stop17h 13m

C$ 436

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

12:50 p.m.-11:47 p.m.

2 stops13h 57m

Portland

Sat 17/10

11:30 a.m.-11:27 p.m.

1 stop8h 57m

C$ 440

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

9:15 a.m.-8:10 p.m.

1 stop13h 55m

Portland

Sat 12/9

4:07 p.m.-10:40 a.m.

2 stops15h 33m

C$ 441

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 12/12

12:45 p.m.-9:53 p.m.

1 stop12h 08m

Portland

Tue 15/12

6:15 a.m.-11:51 p.m.

2 stops14h 36m

C$ 441
Quickest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

9:45 a.m.-5:46 p.m.

2 stops11h 01m

Portland

Wed 7/10

7:02 a.m.-5:30 p.m.

1 stop7h 28m

C$ 450

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

9:45 a.m.-10:52 p.m.

1 stop16h 07m

Portland

Mon 21/9

3:30 p.m.-7:10 a.m.

2 stops12h 40m

C$ 519

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

12:44 p.m.-9:47 p.m.

1 stop12h 03m

Portland

Mon 21/9

11:10 p.m.-11:58 a.m.

1 stop9h 48m

C$ 519
Cheapest one-way

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

12:44 p.m.-9:44 p.m.

1 stop12h 00m

C$ 263

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

9:45 a.m.-10:45 p.m.

2 stops16h 00m

C$ 263

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

7:00 a.m.-4:03 p.m.

2 stops12h 03m

C$ 263

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Montreal to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Montreal with our price prediction graph.
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 Montreal to Portland

What is the cheapest month to book a flight from Montreal to Portland?

Currently, December is the cheapest month in which you can book a flight from Montreal to Portland (average of C$ 176). Flying from Montreal to Portland in April is currently the most expensive (average of C$ 494). 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.

Weekly flight availability from Montreal to Portland

Explore weekly flight availability from Montreal to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 July 2026.

The most flights from YMQ to PDX are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Montreal to Portland?

What’s the top layover airport for flights from Montreal to Portland?

Share of one-stop round-trip flights from Montreal to Portland chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 64% of one-stop itineraries from Montreal to Portland on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Portland?

Average round-trip fare for 1-stop flights from Montreal to Portland, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 545.

What’s the fastest layover option from Montreal to Portland?

Shortest average travel time for 1-stop one-way flights from Montreal to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 28m.

Which airport typically offers the quickest layover for flights from Montreal to Portland?

Average layover duration for 1-stop one-way flights from Montreal to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 51m.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 5 July 2026.
Check out reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Montreal to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,452 reviews
Check prices

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews
Check prices

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,937 reviews
Delta
7.8
Good
8,452 reviews
Check prices

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,301 reviews
Delta
7.8
Good
8,452 reviews
Check prices

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from Montreal to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Montreal?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Montreal to Portland. 2 airlines have flights to Portland from Montreal on a regular basis. Booking flights from Montreal to Portland should not be difficult; the airport handles an average of 1 inbound flight from Montreal per day.

  • How long is the flight from Montreal to Portland?

    There are many flights that can get you from Montreal to Portland in 13h 57m. Fly via United Airlines or Delta to get the fastest option. There are 3742 km between Montreal and Portland. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Montreal to Portland round-trip?

    Cheapflights users have booked flights from Montreal to Portland round-trip from C$ 486. Another airline that can offer you cheap pricing is United Airlines. Air Canada is currently priced 17% below the average price you’ll pay for this route.

  • Can I find deals for flights from Montreal to Portland that include hotel bookings?

    Yes. In addition to deals on Montreal to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Portland.

  • Can I find deals for business class flights from Montreal to Portland?

    Yes. Cheapflights offers flight deals from Montreal to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal to Portland?

    Currently, December is the cheapest month in which you can book a flight from Montreal to Portland (average of C$ 176). Flying from Montreal to Portland in April is currently the most expensive (average of C$ 494). 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.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Tillamook
Salem
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Portland flights
Ottawa to Portland flights
Québec City to Portland flights
Québec City to Eugene flights
Pierre Elliott Trudeau Intl to Redmond flights

Top 2 airlines flying from Montreal to Portland

Discover the top 2 airlines that operate flights from Montreal to Portland. 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 629,999 searches. Data last updated 5 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 486AverageC$ 807FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 506AverageC$ 585FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Portland?

Cheapflights helps you search for flights from Montreal to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Montreal to Portland with no change fees?

Yes, we can. To see specific flights from Montreal to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Montreal to Portland become cheaper?

Yes, Cheapflights offers price alerts on Montreal to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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