How do I get Price Alerts for flights from Harlingen to Region of Ontario?

Confirm your travel details to search for the latest offers for flights from Harlingen to Region of Ontario . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Harlingen to Region of Ontario with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

$657 Cheap Flights from Harlingen to Ontario in 2026

Find the cheapest flights from Harlingen to Ontario

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 am - 8:20 pm

HRL

YYZ

14h 10m

2 stops

8:15 am - 9:52 pm

YYZ

HRL

14h 37m

2 stops

$657United Airlines

Sat, Aug 8 - Sun, Aug 16

7:20 am - 9:33 pm

HRL

YYZ

13h 13m

2 stops

8:15 am - 9:52 pm

YYZ

HRL

14h 37m

2 stops

$674United Airlines

Tue, Aug 4 - Sat, Aug 22

5:10 am - 8:20 pm

HRL

YYZ

14h 10m

2 stops

8:10 am - 9:52 pm

YYZ

HRL

14h 42m

2 stops

$683United Airlines

Sat, Aug 8 - Tue, Aug 18

5:10 am - 5:50 pm

HRL

YYZ

11h 40m

2 stops

8:15 am - 9:52 pm

YYZ

HRL

14h 37m

2 stops

$686United Airlines

Wed, Aug 5 - Sat, Aug 22

5:10 am - 10:44 pm

HRL

YYZ

16h 34m

1 stop

3:53 pm - 9:52 pm

YYZ

HRL

6h 59m

1 stop

$690United Airlines

Mon, Aug 3 - Sat, Aug 22

6:00 am - 11:13 pm

HRL

YYZ

16h 13m

2 stops

7:15 pm - 10:04 am

YYZ

HRL

15h 49m

2 stops

$731American Airlines

Tue, Aug 4 - Mon, Aug 17

2:00 pm - 11:37 pm

HRL

YUL

8h 37m

1 stop

7:00 am - 1:31 pm

YUL

HRL

7h 31m

1 stop

$881WestJet

Sat, Dec 5 - Wed, Dec 9

2:00 pm - 11:37 pm

HRL

YUL

8h 37m

1 stop

7:00 am - 1:31 pm

YUL

HRL

7h 31m

1 stop

$931WestJet

Sat, Dec 5 - Wed, Dec 9

4:58 pm - 11:43 am

HRL

YUL

17h 45m

2 stops

3:48 pm - 10:12 am

YUL

HRL

19h 24m

1 stop

$1,130American Airlines

Tue, Jul 14 - Sun, Jul 19

6:00 am - 2:41 pm

HRL

YUL

7h 41m

1 stop

3:48 pm - 12:05 am

YUL

HRL

9h 17m

1 stop

$1,163American Airlines

Tue, Jul 14 - Sun, Jul 19

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United Airlines flights from Harlingen to Region of Ontario

Our best United Airlines deals on Harlingen to Region of Ontario flight tickets

United Airlines

Aug 8

HRL5:10 amHarlingen Valley Intl

14h 10m

2 stops

YYZ8:20 pmToronto Pearson Intl

Aug 16

YYZ8:15 amToronto Pearson Intl

14h 37m

2 stops

HRL9:52 pmHarlingen Valley Intl

$657

United Airlines

Aug 4

HRL7:20 amHarlingen Valley Intl

13h 13m

2 stops

YYZ9:33 pmToronto Pearson Intl

Aug 22

YYZ8:15 amToronto Pearson Intl

14h 37m

2 stops

HRL9:52 pmHarlingen Valley Intl

$674

United Airlines

Aug 8

HRL5:10 amHarlingen Valley Intl

14h 10m

2 stops

YYZ8:20 pmToronto Pearson Intl

Aug 18

YYZ8:10 amToronto Pearson Intl

14h 42m

2 stops

HRL9:52 pmHarlingen Valley Intl

$683

American Airlines flights from Harlingen to Region of Ontario

Our best American Airlines deals on Harlingen to Region of Ontario flight tickets

American Airlines

Aug 4

HRL6:00 amHarlingen Valley Intl

16h 13m

2 stops

YYZ11:13 pmToronto Pearson Intl

Aug 17

YYZ7:15 pmToronto Pearson Intl

15h 49m

2 stops

HRL10:04 amHarlingen Valley Intl

$731

American Airlines

Aug 6

HRL5:54 amHarlingen Valley Intl

16h 35m

2 stops

YYZ11:29 pmToronto Pearson Intl

Aug 22

YYZ10:56 amToronto Pearson Intl

12h 58m

2 stops

HRL10:54 pmHarlingen Valley Intl

$735

American Airlines

Aug 4

HRL6:00 amHarlingen Valley Intl

16h 13m

2 stops

YYZ11:13 pmToronto Pearson Intl

Aug 17

YYZ6:28 pmToronto Pearson Intl

16h 36m

1 stop

HRL10:04 amHarlingen Valley Intl

$740

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Sat 8/8

5:10 am-8:20 pm

2 stops14h 10m

Toronto Pearson Intl

Sun 8/16

8:15 am-9:52 pm

2 stops14h 37m

$657

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 8/4

7:20 am-9:33 pm

2 stops13h 13m

Toronto Pearson Intl

Sat 8/22

8:15 am-9:52 pm

2 stops14h 37m

$674

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Sat 8/8

5:10 am-8:20 pm

2 stops14h 10m

Toronto Pearson Intl

Tue 8/18

8:10 am-9:52 pm

2 stops14h 42m

$683

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Wed 8/5

5:10 am-5:50 pm

2 stops11h 40m

Toronto Pearson Intl

Sat 8/22

8:15 am-9:52 pm

2 stops14h 37m

$686

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Mon 8/3

5:10 am-10:44 pm

1 stop16h 34m

Toronto Pearson Intl

Sat 8/22

3:53 pm-9:52 pm

1 stop6h 59m

$690

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 8/4

6:00 am-11:13 pm

2 stops16h 13m

Toronto Pearson Intl

Mon 8/17

7:15 pm-10:04 am

2 stops15h 49m

$731

Quickest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 12/5

2:00 pm-11:37 pm

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 12/9

7:00 am-1:31 pm

1 stop7h 31m

$881

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sat 12/5

2:00 pm-11:37 pm

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 12/9

7:00 am-1:31 pm

1 stop7h 31m

$931

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 7/14

4:58 pm-11:43 am

2 stops17h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 7/19

3:48 pm-10:12 am

1 stop19h 24m

$1,130

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 7/14

6:00 am-2:41 pm

1 stop7h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 7/19

3:48 pm-12:05 am

1 stop9h 17m

$1,163

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Harlingen to Region of Ontario flight deals and tips

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

Fastest flight time	5h 50m
Direct flights	None

The fastest flight from Harlingen to Region of Ontario takes 5h 50m

There are no direct flights from Harlingen to Region of Ontario. There are no popular flight routes from Harlingen to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Harlingen to Ontario

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.

Frequently asked questions about flying from Harlingen to Ontario

How do I get Price Alerts for flights from Harlingen to Region of Ontario?
Confirm your travel details to search for the latest offers for flights from Harlingen to Region of Ontario. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Harlingen to Region of Ontario with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.