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$562+ Cheap flights from Harlingen, TX (HRL) to Ontario

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — YYZ
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Harlingen to Ontario

Cheapest flights from Harlingen to Ontario
Explore the most affordable flight options available from Harlingen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:15 pmHRL - YUL
2 stops27h 43mUnited Airlines
Tue 1/63:30 pmYUL - HRL
2 stops25h 36mUnited Airlines
Deal found 12/11$894
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amHRL - YUL
2 stops15h 42mUnited Airlines
Wed 12/314:45 pmYUL - HRL
2 stops19h 28mUnited Airlines
Deal found 12/11$974
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:11 pmHRL - YUL
1 stop17h 55mAmerican Airlines
Tue 12/237:30 amYUL - HRL
2 stops16h 18mAmerican Airlines
Deal found 12/10$1,033
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:34 amHRL - YUL
2 stops8h 37mAmerican Airlines
Tue 1/67:30 amYUL - HRL
3 stops11h 44mAmerican Airlines
Deal found 12/11$1,065

Find flight deals from Harlingen to Ontario

Keep the following information in mind while searching for Harlingen to Ontario flight deals. Data was last updated December 12, 2025.

Round-trip from

$562
(American Airlines)
From Harlingen Valley Intl to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Ontario 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Harlingen to Ontario that are best for you.

Fly from

Harlingen

Fly to

Ontario

Route

Depart

Return

Price

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Fri 1/23

6:02 am-6:20 pm

2 stops11h 18m

Toronto Pearson Intl

Mon 2/2

10:59 am-11:21 pm

2 stops13h 22m

$562

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Fri 2/6

5:25 pm-4:39 pm

2 stops22h 14m

Toronto Pearson Intl

Mon 2/9

6:45 pm-11:26 am

2 stops17h 41m

$583

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Fri 2/6

5:25 pm-4:39 pm

2 stops22h 14m

Toronto Pearson Intl

Tue 2/10

9:00 am-9:59 pm

2 stops13h 59m

$583

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Fri 1/16

6:02 am-9:23 pm

2 stops14h 21m

Toronto Pearson Intl

Sun 1/18

10:30 am-11:21 pm

2 stops13h 51m

$588

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 1/30

6:44 pm-3:08 pm

2 stops19h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

7:30 am-10:52 pm

2 stops16h 22m

$631

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 1/24

12:10 pm-12:02 pm

2 stops22h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 1/27

8:20 am-9:59 pm

2 stops14h 39m

$674

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Fri 2/13

5:20 pm-12:40 pm

2 stops18h 20m

Toronto Pearson Intl

Mon 2/16

5:25 pm-4:04 pm

2 stops23h 39m

$684

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Mon 1/26

12:10 pm-11:59 pm

2 stops10h 49m

Toronto Pearson Intl

Mon 2/2

9:00 am-8:01 pm

2 stops12h 01m

$692

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 1/30

9:20 am-4:50 pm

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

8:25 am-7:58 pm

2 stops12h 33m

$763

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Fri 1/30

9:20 am-4:50 pm

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

5:25 pm-4:04 pm

2 stops23h 39m

$846

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results
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Best time to book a flight from Harlingen to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Ontario. 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 Ontario?

    Most people fly from Harlingen Valley Intl (HRL) if they book a flight from Harlingen to Ontario. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

  • How long is the flight from Harlingen, Texas to Region of Ontario?

    A quick flight from Harlingen, Texas to Region of Ontario can take about 11h 18m. American Airlines provides one of the quickest options available for as low as $562. Airlines will cover a distance of 1572 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Harlingen, Texas to Region of Ontario?

    When deciding which route to take from Harlingen, Texas to Region of Ontario consider Harlingen Valley Intl - Montreal Pierre Elliott Trudeau Intl, Harlingen Valley Intl - Toronto Pearson Intl or Harlingen Valley Intl - Toronto Island as they are the most popular.

  • Can I find deals for flights from Harlingen to Ontario that include hotel bookings?

    Yes. In addition to deals on Harlingen to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Ontario.

  • Can I find deals for business class flights from Harlingen to Ontario?

    Yes. Cheapflights offers flight deals from Harlingen to Ontario 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

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