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Cheap flights from Harlingen, TX to Montreal Pierre Elliott Trudeau Intl Airport from C$ 432

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Find 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 11 September 2025.

Fri 24/102:50 p.m.HRL - YUL
2 stops18h 00mAmerican Airlines
Fri 31/102:35 p.m.YUL - HRL
2 stops20h 03mAmerican Airlines
Deal found 9/9C$ 899
Fri 24/103:39 p.m.HRL - YUL
1 stop6h 42mDelta
Fri 31/107:00 a.m.YUL - HRL
1 stop8h 43mDelta
Deal found 9/9C$ 992
Sun 14/96:19 p.m.HRL - YUL
1 stop19h 30mAmerican Airlines
Mon 29/64:05 p.m.YUL - HRL
1 stop18h 30mAmerican Airlines
Deal found 10/9C$ 1,431
Sun 14/97:00 a.m.HRL - YUL
2 stops27h 45mUnited Airlines
Mon 29/66:30 a.m.YUL - HRL
2 stops10h 04mUnited Airlines
Deal found 10/9C$ 1,451

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 629,999 searches. Data last updated 11 September 2025.
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

Mon 20/10

5:00 a.m.-6:25 p.m.

2 stops12h 25m

C$ 432

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Mon 20/10

5:23 a.m.-2:49 p.m.

1 stop8h 26m

C$ 528

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 19/10

5:23 a.m.-2:49 p.m.

1 stop8h 26m

C$ 564

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 19/10

11:53 a.m.-5:55 p.m.

3 stops53h 02m

C$ 622

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Mon 20/10

10:11 a.m.-9:02 a.m.

3 stops21h 51m

C$ 791

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Harlingen, you will be flying from Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 5.9 km from the centre of Harlingen. There are 0 flights from Valley Intl to Montreal Pierre Elliott Trudeau Intl per day from 0 different airlines.

  • 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.

  • What is the cheapest month to book a flight from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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 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
Dorval
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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