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.

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).

What is the cheapest time of day to fly from ON to HRL?

When flying from Region of Ontario to Harlingen, Texas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$666+ Flights from Ontario to Harlingen, TX

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Harlingen

Round-trip from	$666 (United Airlines)

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 July 29, 2025.

Sat 12/63:45 pmYYZ - HRL

1 stop7h 09mUnited Airlines

Wed 12/1012:16 pmHRL - YYZ

2 stops8h 05mUnited Airlines

Deal found 7/28

$666

Mon 8/41:20 pmYYZ - HRL

1 stop7h 06mAmerican Airlines

Thu 8/72:47 pmHRL - YYZ

1 stop7h 03mAmerican Airlines

Deal found 7/29

$866

Mon 8/47:47 pmYYZ - HRL

2 stops18h 33mMultiple Airlines

Thu 8/75:10 amHRL - YYZ

1 stop10h 04mMultiple Airlines

Deal found 7/29

$883

Mon 8/412:25 pmYTZ - HRL

2 stops10h 25mAir Canada

Thu 8/75:10 amHRL - YTZ

2 stops11h 36mAir Canada

Deal found 7/29

$1,256

Best flights from Ontario to Harlingen
Discover carefully curated flight deals from Ontario to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 12/63:45 pmYYZ - HRL

1 stop7h 09mUnited Airlines

Wed 12/1012:16 pmHRL - YYZ

2 stops8h 05mUnited Airlines

Deal found 7/28

$666

Last-minute flights from Ontario to Harlingen
Discover last-minute flight deals from Ontario to Harlingen. Data last updated July 29, 2025 and is based on user searches.

Mon 8/41:20 pmYYZ - HRL

1 stop7h 06mAmerican Airlines

Thu 8/72:47 pmHRL - YYZ

1 stop7h 03mAmerican Airlines

Deal found 7/29

$866

Mon 8/47:47 pmYYZ - HRL

2 stops18h 33mMultiple Airlines

Thu 8/75:10 amHRL - YYZ

1 stop10h 04mMultiple Airlines

Deal found 7/29

$883

Mon 8/42:10 pmYYZ - HRL

2 stops8h 40mUnited Airlines

Thu 8/75:10 amHRL - YYZ

2 stops9h 01mUnited Airlines

Deal found 7/29

$1,056

Mon 8/412:25 pmYTZ - HRL

2 stops10h 25mAir Canada

Thu 8/75:10 amHRL - YTZ

2 stops11h 36mAir Canada

Deal found 7/29

$1,256

Fly from

Fly to

Route

Depart

Return

Price

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Sat 12/6

3:45 pm-9:54 pm

1 stop7h 09m

Harlingen Valley Intl

Wed 12/10

12:16 pm-9:21 pm

2 stops8h 05m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

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 $381). 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.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with United Airlines from Ontario to Harlingen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,899 reviews

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

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

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

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 $381). 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.

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$666+ Cheap flights from Ontario to Harlingen, TX (HRL)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 29, 2025.

Round-trip from

Find flight deals from Ontario to Harlingen

Cheapest flights from Ontario to HarlingenExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Harlingen that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Harlingen

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

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with United Airlines from Ontario to Harlingen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I find direct flights from Ontario to Harlingen?

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

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

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.

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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 July 29, 2025.