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Cheap flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport from C$ 691

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YUL
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Harlingen to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 29 July 2026.

Tue 1/95:18 p.m.
HRL
-
YUL
2 stops16h 22m
United Airlines
Sat 5/94:55 p.m.
YUL
-
HRL
2 stops21h 29m
United Airlines
Deal found 27/7C$ 691
Tue 29/95:05 a.m.
HRL
-
YUL
2 stops11h 25m
United Airlines
Fri 2/106:00 a.m.
YUL
-
HRL
2 stops14h 44m
United Airlines
Deal found 26/7C$ 835

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 29 July 2026.

Round-trip from

C$ 691
United Airlines
  • United Airlines
  • 1/9-5/9
  • 4 total stops
  • 37h 51m total
  • Harlingen to Montreal
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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 629,999 searches. Data last updated 29 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 1/9

5:18 p.m.-10:40 a.m.

2 stops16h 22m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

4:55 p.m.-1:24 p.m.

2 stops21h 29m

C$ 691
Quickest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 29/9

5:05 a.m.-5:30 p.m.

2 stops11h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

6:00 a.m.-7:44 p.m.

2 stops14h 44m

C$ 835

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Sorted by cheapest first

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.

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

    There are many flights that can get you from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport in 16h 22m. Fly via United Airlines to get the fastest option. The distance between Harlingen and Montreal Pierre Elliott Trudeau Intl Airport is about 3011 km.

  • 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

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
Dorval
Trois-Rivières
Laval
Brossard
Cornwall
Longueuil
Sherbrooke
Montebello
Boucherville
Magog
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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Can Cheapflights notify me if prices for flights from Harlingen to Pierre Elliott Trudeau Intl become cheaper?

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