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.

$277 Cheap Flights from Harlingen to Ontario in 2026

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Find the cheapest flights from Harlingen to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 10:06 pm

HRL

YUL

14h 06m

2 stops

9:45 am - 9:59 pm

YUL

HRL

13h 14m

2 stops

$648United Airlines

Tue, May 12 - Wed, May 13

5:05 am - 9:31 pm

HRL

YYZ

15h 26m

2 stops

10:05 am - 9:52 pm

YYZ

HRL

12h 47m

2 stops

$708United Airlines

Wed, Sep 30 - Sat, Oct 3

7:27 am - 9:31 pm

HRL

YYZ

13h 04m

2 stops

8:30 am - 7:29 pm

YYZ

HRL

11h 59m

2 stops

$709United Airlines

Sat, Sep 19 - Wed, Sep 23

5:05 am - 10:06 am

HRL

YTZ

28h 01m

2 stops

7:20 pm - 1:23 pm

YTZ

HRL

19h 03m

2 stops

$710United Airlines

Sat, Sep 26 - Wed, Sep 30

5:05 am - 7:37 pm

HRL

YYZ

13h 32m

2 stops

8:50 am - 7:33 pm

YYZ

HRL

11h 43m

2 stops

$711United Airlines

Tue, Oct 20 - Wed, Oct 21

7:20 am - 10:44 pm

HRL

YYZ

14h 24m

1 stop

6:10 am - 7:49 pm

YYZ

HRL

14h 39m

1 stop

$716United Airlines

Sun, May 24 - Wed, May 27

7:00 am - 2:52 pm

HRL

YUL

6h 52m

1 stop

8:10 am - 8:00 pm

YUL

HRL

12h 50m

2 stops

$791Air Canada

Tue, May 12 - Wed, May 13

7:00 am - 2:52 pm

HRL

YUL

6h 52m

1 stop

8:10 am - 8:00 pm

YUL

HRL

12h 50m

2 stops

$802Air Canada

Tue, May 12 - Wed, May 13

6:00 am - 2:44 pm

HRL

YUL

7h 44m

1 stop

7:50 am - 12:14 am

YUL

HRL

17h 24m

2 stops

$803American Airlines

Sun, Jun 14 - Sun, Jun 21

6:00 am - 2:44 pm

HRL

YUL

7h 44m

1 stop

3:48 pm - 12:14 am

YUL

HRL

9h 26m

1 stop

$906American Airlines

Sun, Jun 14 - Sun, Jun 21

United Airlines flights from Harlingen to Region of Ontario

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

United Airlines

May 12

HRL7:00 amHarlingen Valley Intl

14h 06m

2 stops

YUL10:06 pmMontreal Pierre Elliott Trudeau Intl

May 13

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

13h 14m

2 stops

HRL9:59 pmHarlingen Valley Intl

$648

United Airlines

Sep 30

HRL5:05 amHarlingen Valley Intl

15h 26m

2 stops

YYZ9:31 pmToronto Pearson Intl

Oct 3

YYZ10:05 amToronto Pearson Intl

12h 47m

2 stops

HRL9:52 pmHarlingen Valley Intl

$708

United Airlines

Sep 19

HRL7:27 amHarlingen Valley Intl

13h 04m

2 stops

YYZ9:31 pmToronto Pearson Intl

Sep 23

YYZ8:30 amToronto Pearson Intl

11h 59m

2 stops

HRL7:29 pmHarlingen Valley Intl

$709

American Airlines flights from Harlingen to Region of Ontario

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

American Airlines

Jun 14

HRL6:00 amHarlingen Valley Intl

7h 44m

1 stop

YUL2:44 pmMontreal Pierre Elliott Trudeau Intl

Jun 21

YUL7:50 amMontreal Pierre Elliott Trudeau Intl

17h 24m

2 stops

HRL12:14 amHarlingen Valley Intl

$803

American Airlines

Jun 14

HRL6:00 amHarlingen Valley Intl

7h 44m

1 stop

YUL2:44 pmMontreal Pierre Elliott Trudeau Intl

Jun 21

YUL3:48 pmMontreal Pierre Elliott Trudeau Intl

9h 26m

1 stop

HRL12:14 amHarlingen Valley Intl

$906

American Airlines

May 5

HRL6:00 amHarlingen Valley Intl

9h 45m

2 stops

YYZ4:45 pmToronto Pearson Intl

May 11

YYZ12:45 pmToronto Pearson Intl

11h 06m

2 stops

HRL10:51 pmHarlingen Valley Intl

$1,064

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 5/12

7:00 am-10:06 pm

2 stops14h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 5/13

9:45 am-9:59 pm

2 stops13h 14m

$648

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Wed 9/30

5:05 am-9:31 pm

2 stops15h 26m

Toronto Pearson Intl

Sat 10/3

10:05 am-9:52 pm

2 stops12h 47m

$708

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Sat 9/19

7:27 am-9:31 pm

2 stops13h 04m

Toronto Pearson Intl

Wed 9/23

8:30 am-7:29 pm

2 stops11h 59m

$709

HarlingenToronto

HRL - YTZ

HRLYTZ

Harlingen Valley Intl

Sat 9/26

5:05 am-10:06 am

2 stops28h 01m

Toronto Island

Wed 9/30

7:20 pm-1:23 pm

2 stops19h 03m

$710

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Tue 10/20

5:05 am-7:37 pm

2 stops13h 32m

Toronto Pearson Intl

Wed 10/21

8:50 am-7:33 pm

2 stops11h 43m

$711

HarlingenToronto

HRL - YYZ

HRLYYZ

Harlingen Valley Intl

Sun 5/24

7:20 am-10:44 pm

1 stop14h 24m

Toronto Pearson Intl

Wed 5/27

6:10 am-7:49 pm

1 stop14h 39m

$716

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 5/12

7:00 am-2:52 pm

1 stop6h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 5/13

8:10 am-8:00 pm

2 stops12h 50m

$791

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Tue 5/12

7:00 am-2:52 pm

1 stop6h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 5/13

8:10 am-8:00 pm

2 stops12h 50m

$802

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 6/14

6:00 am-2:44 pm

1 stop7h 44m

Montreal Pierre Elliott Trudeau Intl

Sun 6/21

7:50 am-12:14 am

2 stops17h 24m

$803

Quickest round-trip

HarlingenMontreal

HRL - YUL

HRLYUL

Harlingen Valley Intl

Sun 6/14

6:00 am-2:44 pm

1 stop7h 44m

Montreal Pierre Elliott Trudeau Intl

Sun 6/21

3:48 pm-12:14 am

1 stop9h 26m

$906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen 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 airline that flies from Harlingen Valley Intl to Ontario?

American Airlines is the most popular carrier operating from Harlingen Valley Intl to Ontario

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	6h 08m
Direct flights	None

The fastest flight from Harlingen to Region of Ontario takes 6h 08m

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.

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.