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Cheap flights from Ontario to Harlingen from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Harlingen departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:10 am - 9:59 pmYYZ-HRL
16h 49m1 stop
United Airlines Logo
9:20 am - 9:29 pmHRL-YYZ
11h 09m2 stops
$612United Airlines
Find Deal
Fri, Feb 13 - Thu, Feb 26
United Airlines Logo
6:10 am - 7:36 pmYYZ-HRL
14h 26m1 stop
United Airlines Logo
12:15 pm - 11:20 pmHRL-YYZ
10h 05m2 stops
$656United Airlines
Find Deal
Mon, Dec 22 - Mon, Jan 5
Air Canada Logo
3:50 pm - 9:59 pmYYZ-HRL
7h 09m1 stop
Air Canada Logo
9:20 am - 4:05 pmHRL-YYZ
5h 45m1 stop
$664Air Canada
Find Deal
Fri, Feb 13 - Thu, Feb 26
Multiple Airlines Logo
7:10 am - 10:24 amYYZ-HRL
28h 14m2 stops
Multiple Airlines Logo
12:13 pm - 7:36 pmHRL-YYZ
30h 23m3 stops
$722Multiple Airlines
Find Deal
Fri, Feb 13 - Thu, Feb 26
Multiple Airlines Logo
7:15 am - 10:24 amYYZ-HRL
28h 09m3 stops
Multiple Airlines Logo
12:13 pm - 7:36 pmHRL-YYZ
30h 23m3 stops
$737Multiple Airlines
Find Deal
Fri, Feb 13 - Thu, Feb 26
United Airlines Logo
6:10 am - 7:36 pmYYZ-HRL
14h 26m1 stop
United Airlines Logo
12:15 pm - 10:37 pmHRL-YYZ
9h 22m1 stop
$758United Airlines
Find Deal
Mon, Dec 22 - Mon, Jan 5

United Airlines flights from Region of Ontario to Harlingen, Texas

Our best United Airlines deals on Region of Ontario to Harlingen, Texas flight tickets
United Airlines
Feb 13
YYZ6:10 amToronto Pearson Intl
16h 49m
1 stop
HRL9:59 pmHarlingen Valley Intl
Feb 26
HRL9:20 amHarlingen Valley Intl
11h 09m
2 stops
YYZ9:29 pmToronto Pearson Intl
$612
Find similar
United Airlines
Dec 22
YYZ6:10 amToronto Pearson Intl
14h 26m
1 stop
HRL7:36 pmHarlingen Valley Intl
Jan 5
HRL12:15 pmHarlingen Valley Intl
10h 05m
2 stops
YYZ11:20 pmToronto Pearson Intl
$656
Find similar
United Airlines
Dec 22
YYZ6:10 amToronto Pearson Intl
14h 26m
1 stop
HRL7:36 pmHarlingen Valley Intl
Jan 5
HRL12:15 pmHarlingen Valley Intl
9h 22m
1 stop
YYZ10:37 pmToronto Pearson Intl
$758
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Harlingen, Texas 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Ontario to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Fri 2/13

6:10 am-9:59 pm

1 stop16h 49m

Harlingen Valley Intl

Thu 2/26

9:20 am-9:29 pm

2 stops11h 09m

$612

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 12/22

6:10 am-7:36 pm

1 stop14h 26m

Harlingen Valley Intl

Mon 1/5

12:15 pm-11:20 pm

2 stops10h 05m

$656

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Fri 2/13

3:50 pm-9:59 pm

1 stop7h 09m

Harlingen Valley Intl

Thu 2/26

9:20 am-4:05 pm

1 stop5h 45m

$664

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Fri 2/13

7:10 am-10:24 am

2 stops28h 14m

Harlingen Valley Intl

Thu 2/26

12:13 pm-7:36 pm

3 stops30h 23m

$722

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Fri 2/13

7:15 am-10:24 am

3 stops28h 09m

Harlingen Valley Intl

Thu 2/26

12:13 pm-7:36 pm

3 stops30h 23m

$737

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 12/22

6:10 am-7:36 pm

1 stop14h 26m

Harlingen Valley Intl

Mon 1/5

12:15 pm-10:37 pm

1 stop9h 22m

$758

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Wed 11/19

7:50 am-2:43 pm

2 stops31h 53m

$276

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Wed 11/19

6:10 am-3:59 pm

1 stop10h 49m

$334

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Harlingen from

How to get the cheapest flight ticket from Region of Ontario to Harlingen, Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $451. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Harlingen, Texas for around $758.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the morning. Flights from Region of Ontario to Harlingen, Texas during this time can be as low as $506. Flights at noon are often more expensive with an average ticket price of $552.

Cheap Region of Ontario to Harlingen, Texas flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Harlingen, Texas

Direct flights

None
There are no direct flights from Region of Ontario to Harlingen, Texas. There are no popular flight routes from Region of Ontario to Harlingen, Texas.
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  • When did momondo last update prices for flights from Ontario to Harlingen Valley Intl Airport?

    Prices for flights from Ontario to Harlingen Valley Intl Airport were last updated today.

  • How old do you have to be to fly from Ontario to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Harlingen?

Finding the right flight to Harlingen from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Harlingen quick and easy, saving you time and money.

Can I find flights from Ontario to Harlingen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Harlingen flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Harlingen?

momondo helps you find the best flight between Ontario and Harlingen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Harlingen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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