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Cheap flights from Harlingen, TX to Montreal Pierre Elliott Trudeau Intl Airport from C$ 573

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YUL
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 October 2025.

Round-trip from

C$ 942

One-way from

C$ 573
United Airlines
  • United Airlines
  • 7/4-8/4
  • 4 total stops
  • 25h 26m total
  • Harlingen to Montreal
Search Deals
Delta
  • Delta
  • 8/11
  • 2 total stops
  • 15h 57m total
  • Harlingen to Montreal
Search Deals

Find 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 October 2025.

Sat 27/128:11 p.m.HRL - YUL
1 stop18h 03mAmerican Airlines
Wed 7/13:52 p.m.YUL - HRL
2 stops19h 44mAmerican Airlines
Deal found 26/10C$ 959
Sat 22/115:00 p.m.HRL - YUL
2 stops13h 45mUnited Airlines
Wed 26/118:00 p.m.YUL - HRL
2 stops20h 59mUnited Airlines
Deal found 28/10C$ 1,112
Sat 22/113:39 p.m.HRL - YUL
1 stop7h 03mDelta
Wed 26/117:10 a.m.YUL - HRL
1 stop8h 33mDelta
Deal found 28/10C$ 1,129
Sat 22/114:08 p.m.HRL - YUL
1 stop21h 56mAmerican Airlines
Wed 26/112:29 p.m.YUL - HRL
2 stops20h 14mAmerican Airlines
Deal found 27/10C$ 1,143
Thu 11/125:00 p.m.HRL - YUL
2 stops21h 57mUnited Airlines
Thu 18/129:25 a.m.YUL - HRL
2 stops13h 34mUnited Airlines
Deal found 27/10C$ 1,144
Thu 18/125:00 a.m.HRL - YUL
2 stops13h 48mUnited Airlines
Tue 23/126:00 a.m.YUL - HRL
2 stops14h 36mUnited Airlines
Deal found 29/10C$ 1,150
Thu 11/1211:28 a.m.HRL - YUL
2 stops26h 26mMultiple Airlines
Thu 18/127:10 a.m.YUL - HRL
1 stop28h 43mMultiple Airlines
Deal found 27/10C$ 1,209
Thu 18/128:11 p.m.HRL - YUL
1 stop17h 55mAmerican Airlines
Tue 23/124:00 p.m.YUL - HRL
1 stop23h 18mAmerican Airlines
Deal found 27/10C$ 1,339
Thu 11/123:41 p.m.HRL - YUL
1 stop7h 06mWestJet
Thu 18/127:10 a.m.YUL - HRL
1 stop8h 36mWestJet
Deal found 27/10C$ 1,347

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 October 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

Tue 7/4

5:15 a.m.-5:42 p.m.

2 stops11h 27m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:45 a.m.-9:44 p.m.

2 stops12h 59m

C$ 942

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 27/12

8:11 p.m.-3:14 p.m.

1 stop18h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

3:52 p.m.-10:36 a.m.

2 stops19h 44m

C$ 959

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 7/4

5:50 a.m.-2:49 p.m.

1 stop7h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

12:30 p.m.-11:59 p.m.

2 stops12h 29m

C$ 1,082

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 22/11

5:00 p.m.-7:45 a.m.

2 stops13h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

8:00 p.m.-3:59 p.m.

2 stops20h 59m

C$ 1,112

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 27/12

9:55 a.m.-11:19 p.m.

3 stops36h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

3:10 p.m.-10:24 a.m.

2 stops20h 14m

C$ 1,129

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 22/11

3:39 p.m.-11:42 p.m.

1 stop7h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

7:10 a.m.-2:43 p.m.

1 stop8h 33m

C$ 1,129

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 22/11

4:08 p.m.-3:04 p.m.

1 stop21h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

2:29 p.m.-9:43 a.m.

2 stops20h 14m

C$ 1,143

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 8/11

3:39 p.m.-8:36 a.m.

2 stops15h 57m

C$ 573

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 8/11

3:39 p.m.-11:21 p.m.

1 stop6h 42m

C$ 655

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 8/11

7:00 a.m.-8:05 p.m.

2 stops12h 05m

C$ 669

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 16 results
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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, Texas to Montreal Pierre Elliott Trudeau Intl Airport?

    United Airlines and American Airlines can get you from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport in just under 11h 27m. Your travel time can differ by up to 6h 36m. Airlines will cover a distance of 3011 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Harlingen, Texas to Montreal Pierre Elliott Trudeau Intl Airport are Delta (C$ 573), WestJet (C$ 655), and United Airlines (C$ 669).

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

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