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Cheap flights from Ontario to Harlingen from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Harlingen departing on 12/2. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:10 am - 1:56 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
8h 46m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 am - 1:09 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 19m1 stop Dallas/Fort Worth
$399American Airlines
Wed, Dec 2 - Wed, Mar 3
American Airlines Logo
7:00 am - 6:11 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
12h 11m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
5:50 am - 1:09 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 19m1 stop Dallas/Fort Worth
$409American Airlines
Wed, Dec 2 - Wed, Mar 3
American Airlines Logo
1:17 pm - 10:59 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
10h 42m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
5:50 am - 5:29 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
10h 39m2 stops Dallas/Fort Worth Philadelphia
$414American Airlines
Wed, Dec 2 - Wed, Mar 3
American Airlines Logo
5:12 pm - 11:01 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
6h 49m1 stop Dallas/Fort Worth
American Airlines Logo
5:40 am - 1:06 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 26m1 stop Dallas/Fort Worth
$458American Airlines
Sat, Nov 21 - Wed, Nov 25
United Airlines Logo
6:45 am - 4:01 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
10h 16m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:10 am - 2:17 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 07m1 stop Houston George Bush Intcntl
$465United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
6:10 am - 3:59 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
10h 49m1 stop Houston George Bush Intcntl
United Airlines Logo
7:15 am - 2:24 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 09m1 stop Houston George Bush Intcntl
$466United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
7:00 am - 3:59 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
9h 59m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:15 am - 2:24 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 09m1 stop Houston George Bush Intcntl
$467United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
7:00 am - 3:59 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
9h 59m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:15 am - 2:24 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
6h 09m1 stop Houston George Bush Intcntl
$468United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
1:00 pm - 9:52 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
9h 52m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:15 am - 5:56 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
9h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$488United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
1:00 pm - 9:52 pmYYZ  Toronto Pearson Intl-HRL Harlingen Valley Intl
9h 52m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:15 am - 5:56 pmHRL  Harlingen Valley Intl-YYZ Toronto Pearson Intl
9h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$489United Airlines
Tue, Sep 15 - Sat, Sep 19

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American Airlines flights from Region of Ontario to Harlingen

Our best American Airlines deals on Region of Ontario to Harlingen flight tickets
American Airlines
Dec 2
YYZ6:10 amToronto Pearson Intl
8h 46m
1 stop
HRL1:56 pmHarlingen Valley Intl
Mar 3
HRL5:50 amHarlingen Valley Intl
6h 19m
1 stop
YYZ1:09 pmToronto Pearson Intl
$399
American Airlines
Dec 2
YYZ7:00 amToronto Pearson Intl
12h 11m
2 stops
HRL6:11 pmHarlingen Valley Intl
Mar 3
HRL5:50 amHarlingen Valley Intl
6h 19m
1 stop
YYZ1:09 pmToronto Pearson Intl
$409
American Airlines
Dec 2
YYZ1:17 pmToronto Pearson Intl
10h 42m
2 stops
HRL10:59 pmHarlingen Valley Intl
Mar 3
HRL5:50 amHarlingen Valley Intl
10h 39m
2 stops
YYZ5:29 pmToronto Pearson Intl
$414

United Airlines flights from Region of Ontario to Harlingen

Our best United Airlines deals on Region of Ontario to Harlingen flight tickets
United Airlines
Oct 28
YYZ6:45 amToronto Pearson Intl
10h 16m
2 stops
HRL4:01 pmHarlingen Valley Intl
Oct 31
HRL7:10 amHarlingen Valley Intl
6h 07m
1 stop
YYZ2:17 pmToronto Pearson Intl
$465
United Airlines
Sep 15
YYZ6:10 amToronto Pearson Intl
10h 49m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 19
HRL7:15 amHarlingen Valley Intl
6h 09m
1 stop
YYZ2:24 pmToronto Pearson Intl
$466
United Airlines
Sep 15
YYZ7:00 amToronto Pearson Intl
9h 59m
2 stops
HRL3:59 pmHarlingen Valley Intl
Sep 19
HRL7:15 amHarlingen Valley Intl
6h 09m
1 stop
YYZ2:24 pmToronto Pearson Intl
$467

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 August 10, 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

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Wed 12/2

6:10 am-1:56 pm

1 stop8h 46m

Harlingen Valley Intl

Wed 3/3

5:50 am-1:09 pm

1 stop6h 19m

$399

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Wed 12/2

7:00 am-6:11 pm

2 stops12h 11m

Harlingen Valley Intl

Wed 3/3

5:50 am-1:09 pm

1 stop6h 19m

$409

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Wed 12/2

1:17 pm-10:59 pm

2 stops10h 42m

Harlingen Valley Intl

Wed 3/3

5:50 am-5:29 pm

2 stops10h 39m

$414
Quickest round-trip

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Sat 11/21

5:12 pm-11:01 pm

1 stop6h 49m

Harlingen Valley Intl

Wed 11/25

5:40 am-1:06 pm

1 stop6h 26m

$458

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Wed 10/28

6:45 am-4:01 pm

2 stops10h 16m

Harlingen Valley Intl

Sat 10/31

7:10 am-2:17 pm

1 stop6h 07m

$465

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Tue 9/15

6:10 am-3:59 pm

1 stop10h 49m

Harlingen Valley Intl

Sat 9/19

7:15 am-2:24 pm

1 stop6h 09m

$466

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Tue 9/15

7:00 am-3:59 pm

2 stops9h 59m

Harlingen Valley Intl

Sat 9/19

7:15 am-2:24 pm

1 stop6h 09m

$467

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Tue 9/15

7:00 am-3:59 pm

2 stops9h 59m

Harlingen Valley Intl

Sat 9/19

7:15 am-2:24 pm

1 stop6h 09m

$468

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Tue 9/15

1:00 pm-9:52 pm

2 stops9h 52m

Harlingen Valley Intl

Sat 9/19

7:15 am-5:56 pm

2 stops9h 41m

$488

TorontoHarlingen

YYZ Toronto Pearson Intl - HRL Harlingen Valley Intl

YYZHRL

Toronto Pearson Intl

Tue 9/15

1:00 pm-9:52 pm

2 stops9h 52m

Harlingen Valley Intl

Sat 9/19

7:15 am-5:56 pm

2 stops9h 41m

$489

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

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 59m

Direct flights

None
The fastest flight from Region of Ontario to Harlingen takes 9h 59m
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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