HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$321+ Cheap flights from Ontario to Harlingen, TX (HRL)

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HRL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Harlingen

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

Round-trip from

$666
(United Airlines)

One-way from

$321
(United Airlines)
From Ontario to Harlingen Valley Intl
Search Deals
One-way flight from Ontario to Harlingen Valley Intl
Search Deals

Find flight deals from Ontario to Harlingen

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

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/206:10 amYYZ - HRL
1 stop14h 15mUnited Airlines
sáb. 7/125:10 amHRL - YYZ
2 stops15h 30mUnited Airlines
Deal found 6/10$554
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 6/216:49 amYYZ - HRL
1 stop9h 53mAmerican Airlines
dom. 7/135:25 amHRL - YYZ
2 stops17h 04mAmerican Airlines
Deal found 6/11$565
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/206:20 pmYYZ - HRL
2 stops26h 05mAir Canada
vie. 7/115:20 pmHRL - YYZ
2 stops18h 38mAir Canada
Deal found 6/10$617
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1812:25 pmYTZ - HRL
2 stops28h 35mMultiple Airlines
vie. 7/117:10 amHRL - YTZ
2 stops9h 36mMultiple Airlines
Deal found 6/11$1,863

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Harlingen 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 junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Harlingen that are best for you.

Fly from

Ontario

Fly to

Harlingen

Route

Depart

Return

Price

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

dom. 9/21

8:45 am-9:52 pm

1 stop14h 07m

Harlingen Valley Intl

lun. 3/23

7:27 am-10:18 pm

1 stop13h 51m

$666

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

sáb. 6/21

10:05 am-7:25 pm

2 stops10h 20m

$321

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

mar. 6/17

8:30 am-7:25 pm

1 stop11h 55m

$465

TorontoHarlingen

YTZ - HRL

YTZHRL

Toronto Island

mié. 6/18

12:25 pm-4:00 pm

2 stops28h 35m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Harlingen

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

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated junio 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Air Canada
7.1
Good
9,531 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Harlingen, Texas (average of $267). Flying from Region of Ontario to Harlingen, Texas in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Toronto Island to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Calgary to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Vancouver Intl to Hobby flights
Vancouver Intl to Austin flights
Edmonton to Dallas/Fort Worth flights
Vancouver Intl to George Bush Intcntl flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to Austin flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Pearson Intl to San Antonio flights
Québec City to Dallas/Fort Worth flights
Halifax to Dallas/Fort Worth flights
Ottawa to Dallas/Fort Worth flights
Calgary to Love Field flights
Winnipeg to Hobby flights
Vancouver Intl to Love Field flights
Calgary to Austin flights
Winnipeg to Dallas/Fort Worth flights
Winnipeg to George Bush Intcntl flights
Ottawa to Austin flights
Edmonton to Love Field flights
Winnipeg to Love Field flights
Halifax to Hobby flights
Pierre Elliott Trudeau Intl to San Antonio flights
Québec City to Hobby flights
Ottawa to George Bush Intcntl flights
Hamilton to George Bush Intcntl flights
Ottawa to Hobby flights
Edmonton to Austin flights
Saskatoon to Dallas/Fort Worth flights
Victoria to Dallas/Fort Worth flights
Hamilton to Austin flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.