Find flights
When to book
FAQs

Cheap flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport from C$ 887

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YUL
30 May — 6 Jun1
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 30 April 2026.

Tue 12/57:00 a.m.
HRL
-
YUL
2 stops14h 06m
United Airlines
Wed 13/59:45 a.m.
YUL
-
HRL
2 stops13h 14m
United Airlines
Deal found 27/4C$ 887
Tue 12/57:00 a.m.
HRL
-
YUL
1 stop6h 52m
Air Canada
Wed 13/58:10 a.m.
YUL
-
HRL
2 stops12h 50m
Air Canada
Deal found 25/4C$ 982
Sun 14/65:10 a.m.
HRL
-
YUL
2 stops13h 35m
United Airlines
Sun 21/66:00 a.m.
YUL
-
HRL
2 stops14h 49m
United Airlines
Deal found 29/4C$ 1,084
Sun 14/66:00 a.m.
HRL
-
YUL
1 stop7h 44m
American Airlines
Sun 21/67:50 a.m.
YUL
-
HRL
2 stops17h 24m
American Airlines
Deal found 29/4C$ 1,099

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 30 April 2026.

Round-trip from

C$ 887
United Airlines
  • United Airlines
  • 12/5-13/5
  • 4 total stops
  • 25h 02m total
  • Harlingen to Montreal
Search Deals

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 30 April 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 12/5

7:00 a.m.-9:26 p.m.

2 stops13h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

11:23 a.m.-9:59 p.m.

2 stops11h 36m

C$ 887
Quickest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 12/5

7:00 a.m.-2:52 p.m.

1 stop6h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

8:10 a.m.-8:00 p.m.

2 stops12h 50m

C$ 982

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 14/6

5:10 a.m.-7:45 p.m.

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 21/6

6:00 a.m.-7:49 p.m.

2 stops14h 49m

C$ 1,084

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 14/6

6:00 a.m.-2:44 p.m.

1 stop7h 44m

Montreal Pierre Elliott Trudeau Intl

Sun 21/6

7:50 a.m.-12:14 a.m.

2 stops17h 24m

C$ 1,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 6h 52m. Fly via United Airlines or Air Canada to get the fastest option. The distance between Harlingen and Montreal Pierre Elliott Trudeau Intl Airport is about 3011 km. This flight may include one or multiple 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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Harlingen to Pierre Elliott Trudeau Intl?

When you search for this flight from Harlingen to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Harlingen to Pierre Elliott Trudeau Intl?

Cheapflights helps you find that perfect flight to Pierre Elliott Trudeau Intl from Harlingen by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Harlingen to Pierre Elliott Trudeau Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Harlingen to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Harlingen to Pierre Elliott Trudeau Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.