C$ 219+ Cheap flights from Harlingen, TX

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HRL — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Harlingen
Explore the most affordable flight options available from Harlingen. Find the lowest fares based on data from user searches, with prices last updated on 12 December 2025.

Fri 9/15:25 p.m.HRL - SEA
1 stop7h 34mUnited Airlines
Fri 16/112:57 p.m.SEA - HRL
1 stop7h 02mUnited Airlines
Deal found 11/12C$ 354
Sat 7/29:20 a.m.HRL - SEA
2 stops13h 52mUnited Airlines
Mon 9/212:57 p.m.SEA - HRL
1 stop7h 02mUnited Airlines
Deal found 10/12C$ 472
Tue 12/55:18 p.m.HRL - SEA
1 stop7h 31mUnited Airlines
Thu 21/55:00 a.m.SEA - HRL
1 stop8h 34mUnited Airlines
Deal found 10/12C$ 570
Fri 30/16:44 p.m.HRL - YUL
2 stops19h 24mAmerican Airlines
Wed 25/27:30 a.m.YUL - HRL
2 stops16h 22mAmerican Airlines
Deal found 10/12C$ 870
Sat 24/112:10 p.m.HRL - YUL
2 stops22h 52mUnited Airlines
Tue 27/18:20 a.m.YUL - HRL
2 stops14h 39mUnited Airlines
Deal found 10/12C$ 930
Fri 30/19:20 a.m.HRL - YUL
1 stop6h 30mUnited Airlines
Wed 25/28:25 a.m.YUL - HRL
2 stops12h 33mUnited Airlines
Deal found 10/12C$ 1,052
Fri 30/19:20 a.m.HRL - YUL
1 stop6h 30mAir Canada
Wed 25/25:25 p.m.YUL - HRL
2 stops23h 39mAir Canada
Deal found 11/12C$ 1,167
Tue 23/1212:15 p.m.HRL - YUL
2 stops27h 43mUnited Airlines
Tue 6/13:30 p.m.YUL - HRL
2 stops25h 36mUnited Airlines
Deal found 11/12C$ 1,233

Find flights from Harlingen within your budget

 
Find flights departing from Harlingen that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 December 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 9/1

5:25 p.m.-10:59 p.m.

1 stop7h 34m

Seattle/Tacoma Intl

Fri 16/1

12:57 p.m.-9:59 p.m.

1 stop7h 02m

C$ 354

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 7/2

9:20 a.m.-9:12 p.m.

2 stops13h 52m

Seattle/Tacoma Intl

Mon 9/2

12:57 p.m.-9:59 p.m.

1 stop7h 02m

C$ 472

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 12/5

5:18 p.m.-10:49 p.m.

1 stop7h 31m

Seattle/Tacoma Intl

Thu 21/5

5:00 a.m.-3:34 p.m.

1 stop8h 34m

C$ 570

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 30/1

6:44 p.m.-3:08 p.m.

2 stops19h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

7:30 a.m.-10:52 p.m.

2 stops16h 22m

C$ 870

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 24/1

12:10 p.m.-12:02 p.m.

2 stops22h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

8:20 a.m.-9:59 p.m.

2 stops14h 39m

C$ 930

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 30/1

9:20 a.m.-4:50 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:25 a.m.-7:58 p.m.

2 stops12h 33m

C$ 1,052

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 30/1

9:20 a.m.-4:50 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

5:25 p.m.-4:04 p.m.

2 stops23h 39m

C$ 1,167

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 23/12

12:15 p.m.-4:58 p.m.

2 stops27h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

3:30 p.m.-4:06 p.m.

2 stops25h 36m

C$ 1,233

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 17/12

5:00 p.m.-9:36 a.m.

1 stop18h 36m

C$ 370

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 19/12

11:55 a.m.-10:48 p.m.

1 stop12h 53m

C$ 370

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 14 results
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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.

Travel insights for flights from Harlingen

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Related info for your journey

Access useful and relevant information related to your journey from Harlingen. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 December 2025.

  • What are the most popular destinations to fly to from Harlingen, Texas?

    This month, the top selected destinations from Harlingen, Texas are New York, Las Vegas, Denver. Throughout the year, Las Vegas, Dallas/Fort Worth Airport, Minneapolis are some of the top choices made by users flying from Harlingen, Texas.

  • How does Cheapflights help users find flights from Harlingen?

    Deals for flights from Harlingen are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Harlingen?

    Cheapflights simply makes it quick and affordable to book flights from Harlingen by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Harlingen with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Harlingen flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Harlingen become cheaper?

    Yes, Cheapflights offers price alerts on flights from Harlingen so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Harlingen?

Deals for flights from Harlingen are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Harlingen?

Cheapflights simply makes it quick and affordable to book flights from Harlingen by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Harlingen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Harlingen flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Harlingen become cheaper?

Yes, Cheapflights offers price alerts on flights from Harlingen so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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