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Cheap flights from Harlingen, Texas to Ontario from $710

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Ontario departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Harlingen, Texas to Ontario

Cheap round-trip flights

United Airlines Logo
5:17 pm - 10:04 amHRL-YYZ
15h 47m2 stops
United Airlines Logo
8:30 am - 11:18 pmYYZ-HRL
15h 48m1 stop
$710United Airlines
Find Deal
Tue, Oct 14 - Sun, Oct 19
United Airlines Logo
5:17 pm - 10:04 amHRL-YYZ
15h 47m2 stops
United Airlines Logo
8:10 am - 4:13 pmYYZ-HRL
9h 03m2 stops
$715United Airlines
Find Deal
Tue, Oct 14 - Sun, Oct 19
American Airlines Logo
6:37 pm - 4:25 pmHRL-YYZ
20h 48m1 stop
American Airlines Logo
6:49 am - 2:19 pmYYZ-HRL
8h 30m1 stop
$779American Airlines
Find Deal
Tue, Oct 14 - Sun, Oct 19

American Airlines flights from Harlingen, Texas to Region of Ontario

Our best American Airlines deals on Harlingen, Texas to Region of Ontario flight tickets
American Airlines
Oct 14
HRL6:37 pmHarlingen Valley Intl
20h 48m
1 stop
YYZ4:25 pmToronto Pearson Intl
Oct 19
YYZ6:49 amToronto Pearson Intl
8h 30m
1 stop
HRL2:19 pmHarlingen Valley Intl
$779
Find similar
American Airlines
Sep 15
HRL10:11 amHarlingen Valley Intl
11h 52m
2 stops
YYZ11:03 pmToronto Pearson Intl
Sep 17
YYZ7:20 amToronto Pearson Intl
11h 45m
2 stops
HRL6:05 pmHarlingen Valley Intl
$997
Find similar
American Airlines
Sep 15
HRL6:35 pmHarlingen Valley Intl
16h 55m
1 stop
YYZ12:30 pmToronto Pearson Intl
Sep 17
YYZ7:20 amToronto Pearson Intl
11h 45m
2 stops
HRL6:05 pmHarlingen Valley Intl
$1,144
Find similar

United Airlines flights from Harlingen, Texas to Region of Ontario

Our best United Airlines deals on Harlingen, Texas to Region of Ontario flight tickets
United Airlines
Oct 14
HRL5:17 pmHarlingen Valley Intl
15h 47m
2 stops
YYZ10:04 amToronto Pearson Intl
Oct 19
YYZ8:30 amToronto Pearson Intl
15h 48m
1 stop
HRL11:18 pmHarlingen Valley Intl
$710
Find similar
United Airlines
Oct 14
HRL5:17 pmHarlingen Valley Intl
15h 47m
2 stops
YYZ10:04 amToronto Pearson Intl
Oct 19
YYZ8:10 amToronto Pearson Intl
9h 03m
2 stops
HRL4:13 pmHarlingen Valley Intl
$715
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas to Region of 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, momondo users made 832,500 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 10/14

5:17 pm-10:04 am

2 stops15h 47m

Toronto Pearson Intl

Sun 10/19

8:30 am-11:18 pm

1 stop15h 48m

$710

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 10/14

5:17 pm-10:04 am

2 stops15h 47m

Toronto Pearson Intl

Sun 10/19

8:10 am-4:13 pm

2 stops9h 03m

$715

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 10/14

6:37 pm-4:25 pm

1 stop20h 48m

Toronto Pearson Intl

Sun 10/19

6:49 am-2:19 pm

1 stop8h 30m

$779

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ontario from

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

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 Region of Ontario?

According to our data, Friday is the cheapest day to fly to Region of Ontario from Harlingen, Texas. The lowest ticket price found for a Friday departure recently was $521. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Harlingen, Texas to Region of Ontario on a Thursday will generally be more expensive and average around $788. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Harlingen, Texas to Region of Ontario in the afternoon for as low as $738. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $849.

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

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

Direct flights

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

    Prices for flights from Harlingen Valley Intl Airport to Ontario are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents required for your trip to Ontario 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 Ontario. 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 Harlingen to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to Ontario. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Harlingen.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Harlingen and alert you when they change.

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1 adult
Tue 10/14
Tue 10/21
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