How does KAYAK find such low prices on flights from Ontario to Harlingen?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Harlingen. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Harlingen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Harlingen?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Harlingen?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$288 CHEAP FLIGHTS from Ontario to Harlingen

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Flight Deals

Cheap Flights from Ontario to Harlingen

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Harlingen

Mon, Apr 13 - Tue, Apr 14

8:05 am - 7:29 pmYYZ-HRL

12h 24m1 stop

5:15 am - 6:57 pmHRL-YYZ

12h 42m2 stops

$600United Airlines

Find Deal

Mon, Apr 13 - Tue, Apr 14

7:20 am - 9:44 pmYYZ-HRL

15h 24m2 stops

5:15 am - 6:57 pmHRL-YYZ

12h 42m2 stops

$602United Airlines

Find Deal

Fri, Feb 27 - Sun, Mar 29

10:50 am - 10:51 pmYYZ-HRL

13h 01m2 stops

10:04 am - 4:25 pmHRL-YYZ

5h 21m1 stop

$604American Airlines

Find Deal

Mon, Apr 13 - Tue, Apr 14

6:30 am - 2:24 pmYYZ-HRL

8h 54m1 stop

3:00 pm - 10:58 pmHRL-YYZ

6h 58m1 stop

$609Delta

Find Deal

Fri, Jan 2 - Thu, Jan 15

7:30 am - 7:16 pmYYZ-HRL

12h 46m2 stops

6:44 pm - 1:11 pmHRL-YYZ

17h 27m1 stop

$639American Airlines

Find Deal

Fri, Jan 2 - Thu, Jan 15

7:30 am - 7:16 pmYYZ-HRL

12h 46m2 stops

6:02 am - 3:30 pmHRL-YYZ

8h 28m2 stops

$644American Airlines

Find Deal

Fri, Feb 27 - Sun, Mar 29

6:10 am - 2:15 pmYYZ-HRL

9h 05m1 stop

10:04 am - 4:25 pmHRL-YYZ

5h 21m1 stop

$648American Airlines

Find Deal

Fri, Feb 27 - Sun, Mar 29

7:10 am - 9:51 amYYZ-HRL

27h 41m2 stops

10:19 am - 1:10 pmHRL-YYZ

25h 51m3 stops

$651Multiple Airlines

Find Deal

Fri, Feb 27 - Sun, Mar 29

7:10 am - 9:51 amYYZ-HRL

27h 41m2 stops

10:19 am - 1:10 pmHRL-YYZ

25h 51m3 stops

$655Multiple Airlines

Find Deal

Thu, Nov 13 - Thu, Nov 20

6:30 am - 2:43 pmYYZ-HRL

9h 13m1 stop

3:39 pm - 4:14 pmHRL-YYZ

23h 35m2 stops

$703Delta

Find Deal

Cheapest round-trip

$600

United Airlines

Mon 4/13Tue 4/14

YYZ - HRL • 1 stop

Cheapest one-way

$288

Multiple Airlines

Tue 12/16

YYZ - HRL • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Harlingen!

Useful Info

How does KAYAK find such low prices on flights from Ontario to Harlingen?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Harlingen.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Harlingen?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Harlingen?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Harlingen?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Harlingen

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Harlingen

Harlingen (HRL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$288 Find Cheap Flights from Ontario to Harlingen

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

Cheap Flights from Ontario to Harlingen

Recent round-trip flight deals from Ontario to Harlingen

Recent one-way flight deals from Ontario to Harlingen

Recent last minute flight deals from Ontario to Harlingen

Everything you should know

FAQs for booking flights from Ontario to Harlingen

How does KAYAK find such low prices on flights from Ontario to Harlingen?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Harlingen.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Harlingen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Harlingen?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Harlingen?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Harlingen

Information on the airport you'll fly into in Harlingen

Cabin class types available on flights to Ontario

Complete your trip to Harlingen with a hotel stay or car rental

Find direct flights for Harlingen

Flights to other popular destinations

Flights from domestic origins to Harlingen

Choose which airport to fly into in Harlingen

Find deals for your return flight