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Cheap flights from Harlingen to Montreal from C$ 1,130

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Montreal departing on 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Harlingen to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 a.m. - 5:30 p.m.
HRL
-
YUL
11h 25m
2 stops
United Airlines Logo
9:45 a.m. - 9:52 p.m.
YUL
-
HRL
13h 07m
2 stops
C$ 1,130United Airlines
Mon, 28 Sep - Thu, 1 Oct
United Airlines Logo
7:15 a.m. - 2:50 p.m.
HRL
-
YUL
6h 35m
1 stop
United Airlines Logo
9:15 a.m. - 7:33 p.m.
YUL
-
HRL
11h 18m
2 stops
C$ 1,210United Airlines
Mon, 28 Sep - Thu, 1 Oct
United Airlines Logo
7:15 a.m. - 2:50 p.m.
HRL
-
YUL
6h 35m
1 stop
United Airlines Logo
9:45 a.m. - 7:33 p.m.
YUL
-
HRL
10h 48m
2 stops
C$ 1,241United Airlines
Mon, 28 Sep - Thu, 1 Oct

United Airlines flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Harlingen to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
28 Sep
HRL5:05 a.m.Harlingen Valley Intl
11h 25m
2 stops
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
1 Oct
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
13h 07m
2 stops
HRL9:52 p.m.Harlingen Valley Intl
C$ 1,130
United Airlines
28 Sep
HRL7:15 a.m.Harlingen Valley Intl
6h 35m
1 stop
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
1 Oct
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
11h 18m
2 stops
HRL7:33 p.m.Harlingen Valley Intl
C$ 1,210
United Airlines
28 Sep
HRL7:15 a.m.Harlingen Valley Intl
6h 35m
1 stop
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
1 Oct
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
10h 48m
2 stops
HRL7:33 p.m.Harlingen Valley Intl
C$ 1,241

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 24 May 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

Mon 28/9

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

2 stops11h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

9:45 a.m.-9:52 p.m.

2 stops13h 07m

C$ 1,130

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Mon 28/9

7:15 a.m.-2:50 p.m.

1 stop6h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

9:15 a.m.-7:33 p.m.

2 stops11h 18m

C$ 1,210
Quickest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Mon 28/9

7:15 a.m.-2:50 p.m.

1 stop6h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

9:45 a.m.-7:33 p.m.

2 stops10h 48m

C$ 1,241

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen to Montreal Pierre Elliott Trudeau Intl Airport (HRL to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport takes 11h 25m
There are no direct flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport.
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Frequently asked questions about flying from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport

  • How far is Harlingen Valley Intl to Montreal Pierre Elliott Trudeau Intl by plane?

    There are 3017.0 km between Harlingen Valley Intl and Montreal Pierre Elliott Trudeau Intl. 11h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Harlingen Valley Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport

  • How do I get Price Alerts for flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen from Montreal Pierre Elliott Trudeau Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Harlingen to Montreal Pierre Elliott Trudeau Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Trois-Rivières
Sherbrooke
Montebello
Brossard
Longueuil
Dorval
Cornwall
North Hatley
Boucherville
Drummondville
Saint-Sauveur
Magog
Bromont
Sutton
Saint-Jean-sur-Richelieu
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Montreal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harlingen to Montreal for you.

Can I find flights from Harlingen to Montreal with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harlingen to Montreal flights to just show those with flexible booking policies.

How can momondo help me find flights from Harlingen to Montreal?

momondo helps you find the best flight between Harlingen and Montreal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Harlingen to Montreal right now. Can momondo alert me if prices change?

Price alerts on flights to Montreal from Harlingen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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