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Pierre Elliott Trudeau Intl

$332+ Cheap flights from Harlingen, TX (HRL) to Pierre Elliott Trudeau Intl (YUL)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YUL
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Harlingen to Pierre Elliott Trudeau Intl

Cheapest flights from Harlingen to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Harlingen to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 4/285:18 pm
HRL
-
YUL
2 stops16h 22m
United Airlines
Wed 4/294:55 pm
YUL
-
HRL
2 stops19h 28m
United Airlines
Deal found 2/3$632
This Delta deal was found by Cheapflights users on 2/3. 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 3/174:04 pm
HRL
-
YUL
1 stop6h 36m
Delta
Sun 3/227:00 am
YUL
-
HRL
1 stop9h 09m
Delta
Deal found 2/3$734
This Delta deal was found by Cheapflights users on 2/3. 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 3/174:04 pm
HRL
-
YUL
1 stop6h 36m
Delta
Mon 3/236:00 am
YUL
-
HRL
2 stops10h 09m
Delta
Deal found 2/3$782
This Air Canada deal was found by Cheapflights users on 1/31. 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 4/287:00 am
HRL
-
YUL
1 stop8h 42m
Air Canada
Wed 4/2912:15 pm
YUL
-
HRL
2 stops10h 44m
Air Canada
Deal found 1/31$824
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/128:06 pm
HRL
-
YUL
2 stops15h 18m
American Airlines
Mon 2/163:45 pm
YUL
-
HRL
2 stops19h 27m
American Airlines
Deal found 2/2$854
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/175:25 pm
HRL
-
YUL
2 stops18h 21m
United Airlines
Mon 3/238:25 am
YUL
-
HRL
2 stops12h 31m
United Airlines
Deal found 2/3$862
This Air Canada deal was found by Cheapflights users on 2/2. 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 2/129:20 am
HRL
-
YUL
1 stop6h 30m
Air Canada
Tue 2/1711:10 am
YUL
-
HRL
2 stops11h 49m
Air Canada
Deal found 2/2$884
This WestJet deal was found by Cheapflights users on 2/3. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:02 pm
HRL
-
YUL
1 stop6h 24m
WestJet
Wed 4/297:00 am
YUL
-
HRL
1 stop9h 05m
WestJet
Deal found 2/3$919

Find flight deals from Harlingen to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Pierre Elliott Trudeau Intl (YUL). 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(United Airlines)

One-way from

$332
(American Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Montreal Pierre Elliott Trudeau Intl flights.
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From Harlingen Valley Intl to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Harlingen Valley Intl to Montreal Pierre Elliott Trudeau Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Pierre Elliott Trudeau Intl 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 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Harlingen

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 4/28

5:18 pm-10:40 am

2 stops16h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

4:55 pm-11:23 am

2 stops19h 28m

$632

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Wed 3/18

4:04 pm-11:40 pm

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

7:00 am-3:09 pm

1 stop9h 09m

$734

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 3/17

4:04 pm-11:40 pm

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

7:00 am-3:09 pm

1 stop9h 09m

$734

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 3/17

4:04 pm-11:40 pm

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

6:00 am-3:09 pm

2 stops10h 09m

$782

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 4/28

7:00 am-4:42 pm

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

12:15 pm-9:59 pm

2 stops10h 44m

$824

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Thu 3/19

8:06 pm-1:45 pm

2 stops16h 39m

$332

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Thu 3/19

5:25 pm-4:50 pm

1 stop22h 25m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

  • Most accurate provider: When it comes to deals on Harlingen, Texas-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Montreal Pierre Elliott Trudeau Intl Airport 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 Harlingen, Texas-Montreal Pierre Elliott Trudeau Intl Airport 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 Harlingen to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Harlingen 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.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Pierre Elliott Trudeau Intl. 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 from for flights from Harlingen to Montreal Pierre Elliott Trudeau Intl?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Valley Intl to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Harlingen Valley Intl to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport?

    United Airlines and Delta can get you from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport in just under 6h 36m. Your travel time can differ by up to 9h 46m. There are 1871 mi between Harlingen, Texas and Montreal Pierre Elliott Trudeau Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Harlingen to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Harlingen to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Harlingen to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Harlingen to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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