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Cheap flights from Ontario to Harlingen from $270

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 5/22. 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.
Delta Logo
6:30 am - 3:05 pm
YYZ
-
HRL
9h 35m
1 stop
Delta Logo
4:02 pm - 11:10 pm
HRL
-
YYZ
6h 08m
1 stop
$498Delta
Sat, May 2 - Tue, May 5
United Airlines Logo
6:10 am - 3:59 pm
YYZ
-
HRL
10h 49m
1 stop
United Airlines Logo
5:10 am - 2:24 pm
HRL
-
YYZ
8h 14m
1 stop
$574United Airlines
Mon, Jul 20 - Mon, Jul 27
United Airlines Logo
10:45 am - 8:00 pm
YYZ
-
HRL
10h 15m
2 stops
United Airlines Logo
9:20 am - 7:37 pm
HRL
-
YYZ
9h 17m
2 stops
$599United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
11:00 am - 9:54 pm
YYZ
-
HRL
11h 54m
2 stops
United Airlines Logo
5:10 am - 2:24 pm
HRL
-
YYZ
8h 14m
1 stop
$604United Airlines
Mon, Jul 20 - Mon, Jul 27
Air Canada Logo
8:20 am - 9:54 pm
YYZ
-
HRL
14h 34m
1 stop
Air Canada Logo
5:10 am - 2:24 pm
HRL
-
YYZ
8h 14m
1 stop
$617Air Canada
Mon, Jul 20 - Mon, Jul 27
United Airlines Logo
10:15 am - 9:54 pm
YYZ
-
HRL
12h 39m
2 stops
United Airlines Logo
5:10 am - 2:24 pm
HRL
-
YYZ
8h 14m
1 stop
$627United Airlines
Mon, Jul 20 - Mon, Jul 27
United Airlines Logo
7:25 am - 8:00 pm
YTZ
-
HRL
13h 35m
2 stops
United Airlines Logo
12:10 pm - 8:09 pm
HRL
-
YTZ
30h 59m
2 stops
$627United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
7:25 am - 8:00 pm
YTZ
-
HRL
13h 35m
2 stops
United Airlines Logo
9:20 am - 9:34 am
HRL
-
YTZ
23h 14m
2 stops
$655United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
7:25 am - 8:00 pm
YTZ
-
HRL
13h 35m
2 stops
United Airlines Logo
9:20 am - 8:09 pm
HRL
-
YTZ
33h 49m
3 stops
$656United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
7:25 am - 8:00 pm
YTZ
-
HRL
13h 35m
2 stops
United Airlines Logo
9:20 am - 8:09 pm
HRL
-
YTZ
33h 49m
3 stops
$684United Airlines
Sat, May 2 - Tue, May 5

United Airlines flights from Region of Ontario to Harlingen

Our best United Airlines deals on Region of Ontario to Harlingen flight tickets
United Airlines
Jul 20
YYZ6:10 amToronto Pearson Intl
10h 49m
1 stop
HRL3:59 pmHarlingen Valley Intl
Jul 27
HRL5:10 amHarlingen Valley Intl
8h 14m
1 stop
YYZ2:24 pmToronto Pearson Intl
$574
United Airlines
May 2
YYZ10:45 amToronto Pearson Intl
10h 15m
2 stops
HRL8:00 pmHarlingen Valley Intl
May 5
HRL9:20 amHarlingen Valley Intl
9h 17m
2 stops
YYZ7:37 pmToronto Pearson Intl
$599
United Airlines
Jul 20
YYZ11:00 amToronto Pearson Intl
11h 54m
2 stops
HRL9:54 pmHarlingen Valley Intl
Jul 27
HRL5:10 amHarlingen Valley Intl
8h 14m
1 stop
YYZ2:24 pmToronto Pearson Intl
$604

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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, momondo users made 832,500 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from Ontario to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Sat 5/2

6:30 am-3:05 pm

1 stop9h 35m

Harlingen Valley Intl

Tue 5/5

4:02 pm-11:10 pm

1 stop6h 08m

$498

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 7/20

6:10 am-3:59 pm

1 stop10h 49m

Harlingen Valley Intl

Mon 7/27

5:10 am-2:24 pm

1 stop8h 14m

$574

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Sat 5/2

10:45 am-8:00 pm

2 stops10h 15m

Harlingen Valley Intl

Tue 5/5

9:20 am-7:37 pm

2 stops9h 17m

$599

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 7/20

11:00 am-9:54 pm

2 stops11h 54m

Harlingen Valley Intl

Mon 7/27

5:10 am-2:24 pm

1 stop8h 14m

$604

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 7/20

8:20 am-9:54 pm

1 stop14h 34m

Harlingen Valley Intl

Mon 7/27

5:10 am-2:24 pm

1 stop8h 14m

$617

TorontoHarlingen

YYZ - HRL

YYZHRL

Toronto Pearson Intl

Mon 7/20

10:15 am-9:54 pm

2 stops12h 39m

Harlingen Valley Intl

Mon 7/27

5:10 am-2:24 pm

1 stop8h 14m

$627

TorontoHarlingen

YTZ - HRL

YTZHRL

Toronto Island

Sat 5/2

7:25 am-8:00 pm

2 stops13h 35m

Harlingen Valley Intl

Tue 5/5

12:10 pm-8:09 pm

2 stops30h 59m

$627

TorontoHarlingen

YTZ - HRL

YTZHRL

Toronto Island

Sat 5/2

7:25 am-8:00 pm

2 stops13h 35m

Harlingen Valley Intl

Tue 5/5

9:20 am-9:34 am

2 stops23h 14m

$655

TorontoHarlingen

YTZ - HRL

YTZHRL

Toronto Island

Sat 5/2

7:25 am-8:00 pm

2 stops13h 35m

Harlingen Valley Intl

Tue 5/5

9:20 am-8:09 pm

3 stops33h 49m

$656

TorontoHarlingen

YTZ - HRL

YTZHRL

Toronto Island

Sat 5/2

7:25 am-8:00 pm

2 stops13h 35m

Harlingen Valley Intl

Tue 5/5

9:20 am-8:09 pm

3 stops33h 49m

$684

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Harlingen from

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

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

Can stopping save me money on Region of Ontario to Harlingen flights?

You could potentially save up to 24% on your flight if you consider stops on a Region of Ontario to Harlingen flight.

Cheap Region of Ontario to Harlingen flight deals and tips

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

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Region of Ontario to Harlingen takes 9h 55m
There are no direct flights from Region of Ontario to Harlingen. There are no popular flight routes from Region of Ontario to Harlingen.
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Frequently asked questions about flying from Ontario to Harlingen

  • 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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