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Cheap flights from Montreal to Portland from C$ 215

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PDX
14 Jun — 21 Jun1
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 15 May 2026.

Tue 23/66:45 a.m.
YUL
-
PDX
2 stops10h 05m
WestJet
Tue 30/62:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 12/5C$ 429
Sun 16/88:00 p.m.
YUL
-
PDX
1 stop20h 50m
WestJet
Sat 22/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 13/5C$ 432
Thu 27/85:30 p.m.
YUL
-
PDX
1 stop23h 20m
WestJet
Mon 31/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 10/5C$ 439
Sun 16/88:00 p.m.
YUL
-
PDX
1 stop20h 50m
WestJet
Wed 19/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 10/5C$ 451
Sun 16/88:00 p.m.
YUL
-
PDX
1 stop20h 50m
WestJet
Fri 21/82:30 p.m.
PDX
-
YUL
1 stop30h 15m
WestJet
Deal found 11/5C$ 458
Tue 25/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Sat 29/82:30 p.m.
PDX
-
YUL
1 stop30h 15m
WestJet
Deal found 9/5C$ 466
Tue 13/1012:45 p.m.
YUL
-
PDX
1 stop12h 41m
Delta
Sat 17/101:25 p.m.
PDX
-
YUL
1 stop7h 12m
Delta
Deal found 12/5C$ 468
Thu 27/87:30 a.m.
YUL
-
PDX
1 stop10h 21m
Air Canada
Mon 31/83:30 p.m.
PDX
-
YUL
2 stops12h 40m
Air Canada
Deal found 11/5C$ 475

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 15 May 2026.

Round-trip from

C$ 429

One-way from

C$ 215

Popular in

January

Cheapest in

December

Average price

C$ 490
WestJet
  • WestJet
  • 23/6-30/6
  • 3 total stops
  • 23h 40m total
  • Montreal to Portland
Search Deals
WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 9h 35m total
  • Montreal to Portland
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 15 May 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
Quickest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

12:45 p.m.-10:26 p.m.

1 stop12h 41m

Portland

Sat 17/10

1:25 p.m.-11:37 p.m.

1 stop7h 12m

C$ 468

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

6:35 p.m.-10:11 a.m.

1 stop18h 36m

Portland

Wed 19/8

3:43 p.m.-8:16 a.m.

1 stop13h 33m

C$ 481

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

9:15 a.m.-9:24 p.m.

1 stop15h 09m

Portland

Thu 11/6

10:52 p.m.-4:10 p.m.

1 stop14h 18m

C$ 481

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

6:00 a.m.-6:01 p.m.

2 stops15h 01m

Portland

Wed 3/6

5:45 a.m.-11:41 p.m.

2 stops14h 56m

C$ 512

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

12:49 p.m.-10:02 p.m.

1 stop12h 13m

Portland

Sat 30/5

5:45 a.m.-11:13 p.m.

2 stops14h 28m

C$ 512

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

12:47 p.m.-11:44 p.m.

2 stops13h 57m

Portland

Tue 4/8

6:00 a.m.-11:59 p.m.

2 stops14h 59m

C$ 512

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

12:49 p.m.-11:44 p.m.

2 stops13h 55m

Portland

Wed 10/6

7:20 a.m.-11:42 p.m.

2 stops13h 22m

C$ 521

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:30 p.m.-12:02 a.m.

1 stop8h 32m

Portland

Sat 17/10

7:15 p.m.-12:00 p.m.

2 stops13h 45m

C$ 540
Cheapest one-way

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

6:45 a.m.-1:50 p.m.

2 stops10h 05m

C$ 230

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

9:45 a.m.-12:47 a.m.

2 stops18h 02m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 17 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$ 170). Flying from Montreal to Portland in April is currently the most expensive (average of C$ 477). 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 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$ 480.

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 28m.

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 15 May 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
7.9
Good
8,452 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,452 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,717 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,042 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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. 3 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 0 inbound flights 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 12h 41m. Fly via Delta or United Airlines 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$ 420. Other airlines that can offer you cheap pricing are United Airlines, from C$ 421, and American Airlines, from C$ 425. Air Canada is currently priced 23% 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$ 170). Flying from Montreal to Portland in April is currently the most expensive (average of C$ 477). 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
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
Pierre Elliott Trudeau Intl to Redmond flights
Québec City to Eugene flights

Top 3 airlines flying from Montreal to Portland

Discover the top 3 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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 420AverageC$ 755FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 421AverageC$ 566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 425AverageC$ 425FlexibilityNo cancel feeOn-time71%
Search American 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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