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Cheap flights from Harlingen to Montreal from C$ 376

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Montreal departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:10 a.m. - 7:45 p.m.
HRL
-
YUL
13h 35m
2 stops
United Airlines Logo
6:00 a.m. - 7:49 p.m.
YUL
-
HRL
14h 49m
2 stops
C$ 1,076United Airlines
Sun, 14 Jun - Sun, 21 Jun
American Airlines Logo
6:00 a.m. - 2:44 p.m.
HRL
-
YUL
7h 44m
1 stop
American Airlines Logo
7:50 a.m. - 12:14 a.m.
YUL
-
HRL
17h 24m
2 stops
C$ 1,091American Airlines
Sun, 14 Jun - Sun, 21 Jun
American Airlines Logo
6:00 a.m. - 2:44 p.m.
HRL
-
YUL
7h 44m
1 stop
American Airlines Logo
3:48 p.m. - 12:14 a.m.
YUL
-
HRL
9h 26m
1 stop
C$ 1,231American Airlines
Sun, 14 Jun - Sun, 21 Jun

American Airlines flights from Harlingen to Montreal

Our best American Airlines deals on Harlingen to Montreal flight tickets
American Airlines
14 Jun
HRL6:00 a.m.Harlingen Valley Intl
7h 44m
1 stop
YUL2:44 p.m.Montreal Pierre Elliott Trudeau Intl
21 Jun
YUL7:50 a.m.Montreal Pierre Elliott Trudeau Intl
17h 24m
2 stops
HRL12:14 a.m.Harlingen Valley Intl
C$ 1,091
American Airlines
14 Jun
HRL6:00 a.m.Harlingen Valley Intl
7h 44m
1 stop
YUL2:44 p.m.Montreal Pierre Elliott Trudeau Intl
21 Jun
YUL3:48 p.m.Montreal Pierre Elliott Trudeau Intl
9h 26m
1 stop
HRL12:14 a.m.Harlingen Valley Intl
C$ 1,231

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen to Montreal 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 4 May 2026.
Use the filters below to find and compare flights from Harlingen to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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$ 1,076

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$ 1,091
Quickest round-trip

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

3:48 p.m.-12:14 a.m.

1 stop9h 26m

C$ 1,231
Cheapest one-way

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 7/7

5:00 p.m.-11:43 a.m.

2 stops17h 43m

C$ 376
Quickest one-way

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Wed 1/7

10:43 a.m.-10:59 p.m.

2 stops11h 16m

C$ 492

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 7/7

5:00 p.m.-2:41 p.m.

1 stop20h 41m

C$ 500

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Montreal from

How to get the cheapest flight ticket from Harlingen to Montreal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Harlingen Valley Intl to Montreal?

American Airlines is the most popular carrier operating from Harlingen Valley Intl to Montreal

When to book flights from Harlingen to Montreal

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

Cheap Harlingen to Montreal (HRL to YMQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Montreal

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from Harlingen to Montreal takes 13h 35m
There are no direct flights from Harlingen to Montreal. There are no popular flight routes from Harlingen to Montreal.
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Frequently asked questions about flying from Harlingen to Montreal

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

    Harlingen Valley Intl and Montreal are 3031.2 km apart from one another. In terms of flight time, this usually takes a little over 13h 35m.

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

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

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

    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.

  • What documentation or ID do you need to fly to Montreal?

    The travel and health documents required for your trip to Montreal 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Montreal from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montreal quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Montreal from Harlingen with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montreal from Harlingen.

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

If you are simply researching potential flights to Montreal, momondo offers a useful price alert feature which will track prices for flights to Montreal from Harlingen and alert you when they change.

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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport