C$ 231+ Cheap flights from Harlingen, TX

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 24/3. 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
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Find flights from Harlingen

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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 26 January 2026.

Wed 11/37:00 a.m.
HRL
-
SEA
2 stops11h 14m
United Airlines
Tue 17/311:59 p.m.
SEA
-
HRL
1 stop9h 17m
United Airlines
Deal found 26/1C$ 384
Tue 3/39:20 a.m.
HRL
-
SEA
2 stops13h 41m
United Airlines
Wed 11/311:59 p.m.
SEA
-
HRL
1 stop9h 17m
United Airlines
Deal found 26/1C$ 455
Tue 3/39:20 a.m.
HRL
-
SEA
2 stops13h 41m
United Airlines
Mon 9/37:35 p.m.
SEA
-
HRL
2 stops13h 41m
United Airlines
Deal found 26/1C$ 463
Wed 11/311:10 a.m.
HRL
-
SEA
2 stops9h 10m
Southwest
Tue 17/39:00 a.m.
SEA
-
HRL
2 stops10h 25m
Southwest
Deal found 26/1C$ 464
Wed 4/312:10 p.m.
HRL
-
SEA
2 stops12h 03m
United Airlines
Wed 11/311:59 p.m.
SEA
-
HRL
1 stop9h 17m
United Airlines
Deal found 26/1C$ 537
Mon 2/35:22 p.m.
HRL
-
SEA
2 stops18h 27m
United Airlines
Mon 9/311:59 p.m.
SEA
-
HRL
1 stop9h 17m
United Airlines
Deal found 26/1C$ 582
Sat 14/25:22 p.m.
HRL
-
SEA
1 stop7h 41m
United Airlines
Wed 18/22:20 p.m.
SEA
-
HRL
1 stop29h 39m
United Airlines
Deal found 24/1C$ 604
Wed 4/312:10 p.m.
HRL
-
SEA
2 stops12h 03m
United Airlines
Tue 10/38:59 a.m.
SEA
-
HRL
2 stops10h 57m
United Airlines
Deal found 26/1C$ 627
Tue 28/45:18 p.m.
HRL
-
YUL
2 stops16h 22m
United Airlines
Wed 29/42:20 p.m.
YUL
-
HRL
2 stops22h 03m
United Airlines
Deal found 25/1C$ 975
Sat 14/34:04 p.m.
HRL
-
YUL
1 stop6h 36m
Delta
Mon 23/39:20 a.m.
YUL
-
HRL
2 stops30h 49m
Delta
Deal found 25/1C$ 990
Sun 15/34:04 p.m.
HRL
-
YUL
1 stop6h 36m
Delta
Mon 23/37:00 a.m.
YUL
-
HRL
1 stop9h 09m
Delta
Deal found 25/1C$ 996
Thu 12/38:06 p.m.
HRL
-
YUL
2 stops15h 18m
American Airlines
Thu 19/37:30 a.m.
YUL
-
HRL
2 stops13h 06m
American Airlines
Deal found 25/1C$ 1,016

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 26 January 2026. 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

Wed 11/3

7:00 a.m.-4:14 p.m.

2 stops11h 14m

Seattle/Tacoma Intl

Tue 17/3

11:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 384

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 3/3

9:20 a.m.-9:01 p.m.

2 stops13h 41m

Seattle/Tacoma Intl

Wed 11/3

11:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 455

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 3/3

9:20 a.m.-9:01 p.m.

2 stops13h 41m

Seattle/Tacoma Intl

Tue 10/3

11:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 455

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 11/3

11:10 a.m.-6:20 p.m.

2 stops9h 10m

Seattle/Tacoma Intl

Tue 17/3

9:00 a.m.-9:25 p.m.

2 stops10h 25m

C$ 464

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 4/3

12:10 p.m.-10:13 p.m.

2 stops12h 03m

Seattle/Tacoma Intl

Mon 9/3

11:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 537

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 14/2

5:22 p.m.-11:03 p.m.

1 stop7h 41m

Seattle/Tacoma Intl

Wed 18/2

7:00 a.m.-9:59 p.m.

2 stops12h 59m

C$ 537

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 4/3

12:10 p.m.-10:13 p.m.

2 stops12h 03m

Seattle/Tacoma Intl

Tue 10/3

11:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 537

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 28/4

12:05 p.m.-10:40 a.m.

2 stops21h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

2:20 p.m.-11:23 a.m.

2 stops22h 03m

C$ 975

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 14/3

4:04 p.m.-11:40 p.m.

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

9:20 a.m.-3:09 p.m.

2 stops30h 49m

C$ 990

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Thu 12/3

4:04 p.m.-11:40 p.m.

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

7:00 a.m.-3:09 p.m.

1 stop9h 09m

C$ 996

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 27 results
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Estimated round-trip price
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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 26 January 2026.

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

    This month, the top selected destinations from Harlingen, Texas are Las Vegas, Austin, Los Angeles. Throughout the year, Las Vegas, Dallas/Fort Worth Airport, Orlando are some of the top choices made by users flying from Harlingen, Texas.

  • How does Cheapflights help users find flights from Harlingen?

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

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

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

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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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