Where can I fly from to get the cheapest fares to Harlingen?

Based on fares booked in the past 5 days, the cheapest flights to Harlingen are from: • Montreal, from C$ 660 round-trip • Toronto, from C$ 765 round-trip

How do I know if a flight to Harlingen is a good deal?

A good deal on a flight to Harlingen is around C$ 874 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to Harlingen?

Montreal Pierre Elliott Trudeau Intl Airport to Harlingen is the cheapest route at C$ 660 round-trip, found in the past 5 days on KAYAK. Winnipeg to Harlingen is the most popular connection with round-trip deals from C$ 911.

How much is a flight to Harlingen?

A round-trip flight to Harlingen costs C$ 1,004 on average, based on data over the past 12 months on KAYAK. Round-trip fares from Montreal average C$ 874, while Toronto runs a bit higher at C$ 892.

What is the cheapest day to fly to Harlingen?

Tuesday is the cheapest day to fly to Harlingen at C$ 861 round-trip on average over the past 12 months on KAYAK. Saturday is the most expensive at C$ 1,205.

What is the cheapest time of day to fly to Harlingen?

Morning flights to Harlingen are the cheapest at C$ 960 round-trip on average. Night flights are the most expensive at C$ 1,324.

What is a good deal for flights to Harlingen?

Flights under C$ 874 are considered a good deal. 25% of KAYAK users found round-trip flights to Harlingen at or below these prices, with the lowest fares from: •Montreal C$ 585.

What are the most popular airlines flying to Harlingen?

American Airlines is the most popular airline flying to Harlingen among KAYAK users, followed by WestJet and Delta.

C$ 372 CHEAP FLIGHTS to Harlingen in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 660

Typical prices: C$ 874-C$ 1,224

United Airlines

Wed 7/11Wed 14/11

YUL - HRL • 2 stops

Cheapest one-way flights

C$ 372

Typical prices: C$ 385-C$ 578

United Airlines

Sun 11/11

YUL - HRL • 2 stops

Top airlines

Delta

Best reviews • 7.8 score

Airline reviews

Top routes

YMQ - HRL

Cheapest • 9% average savings

YWG - HRL

Most popular

Insights

When to travel

February

Cheapest • 37% price drop

December

Most popular

Good to know

Start a new search

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We hope you enjoy your trip to Harlingen!

Flight Deals

Cheap Flights to Harlingen

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

Round-trip

One-way

Last minute

All Flight Deals

Recent round-trip flight deals to Harlingen

Sat, 7 Nov - Sat, 14 Nov

6:00 a.m. - 10:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

17h 48m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:10 a.m. - 9:42 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

13h 32m2 stops Houston George Bush Intcntl Newark

C$ 660United Airlines

Thu, 22 Oct - Thu, 29 Oct

6:10 a.m. - 3:59 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

10h 49m1 stop Houston George Bush Intcntl

7:10 a.m. - 2:17 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

6h 07m1 stop Houston George Bush Intcntl

C$ 765United Airlines

Sat, 7 Nov - Sat, 14 Nov

8:00 p.m. - 7:47 p.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

24h 47m2 stops Washington, D.C. Reagan-National Houston George Bush Intcntl

5:05 a.m. - 4:40 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 35m1 stop Houston George Bush Intcntl

C$ 765United Airlines

Mon, 16 Nov - Wed, 18 Nov

7:26 p.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

18h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 4:47 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 42m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 789United Airlines

Mon, 16 Nov - Wed, 18 Nov

7:26 p.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

18h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 4:47 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 42m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 827United Airlines

Sat, 7 Nov - Sat, 14 Nov

6:00 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

17h 50m1 stop Houston George Bush Intcntl

5:05 a.m. - 4:40 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 35m1 stop Houston George Bush Intcntl

C$ 834Air Canada

Sat, 9 Jan - Sat, 30 Jan

7:00 a.m. - 9:44 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

14h 44m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 10:33 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

17h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 911United Airlines

Sat, 9 Jan - Sat, 30 Jan

7:00 a.m. - 9:44 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

14h 44m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 10:33 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

17h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 912United Airlines

Mon, 16 Nov - Wed, 18 Nov

6:10 a.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

8h 11m1 stop Houston George Bush Intcntl

5:05 a.m. - 4:06 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 01m1 stop Houston George Bush Intcntl

C$ 932United Airlines

Wed, 24 Feb - Thu, 4 Mar

7:00 a.m. - 7:29 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

12h 29m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:18 a.m. - 6:41 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

11h 23m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 939United Airlines

All round-trip flight deals to Harlingen

Sat, 7 Nov - Sat, 14 Nov

6:00 a.m. - 10:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

17h 48m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:10 a.m. - 9:42 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

13h 32m2 stops Houston George Bush Intcntl Newark

C$ 660United Airlines

Thu, 22 Oct - Thu, 29 Oct

6:10 a.m. - 3:59 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

10h 49m1 stop Houston George Bush Intcntl

7:10 a.m. - 2:17 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

6h 07m1 stop Houston George Bush Intcntl

C$ 765United Airlines

Sat, 7 Nov - Sat, 14 Nov

8:00 p.m. - 7:47 p.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

24h 47m2 stops Washington, D.C. Reagan-National Houston George Bush Intcntl

5:05 a.m. - 4:40 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 35m1 stop Houston George Bush Intcntl

C$ 765United Airlines

Mon, 16 Nov - Wed, 18 Nov

7:26 p.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

18h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 4:47 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 42m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 789United Airlines

Mon, 16 Nov - Wed, 18 Nov

7:26 p.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

18h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 4:47 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 42m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 827United Airlines

Sat, 7 Nov - Sat, 14 Nov

6:00 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-HRL Harlingen Valley Intl

17h 50m1 stop Houston George Bush Intcntl

5:05 a.m. - 4:40 p.m.HRL Harlingen Valley Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 35m1 stop Houston George Bush Intcntl

C$ 834Air Canada

Sat, 9 Jan - Sat, 30 Jan

7:00 a.m. - 9:44 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

14h 44m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 10:33 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

17h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 911United Airlines

Sat, 9 Jan - Sat, 30 Jan

7:00 a.m. - 9:44 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

14h 44m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 a.m. - 10:33 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

17h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 912United Airlines

Mon, 16 Nov - Wed, 18 Nov

6:10 a.m. - 1:21 p.m.YYZ Toronto Pearson Intl-HRL Harlingen Valley Intl

8h 11m1 stop Houston George Bush Intcntl

5:05 a.m. - 4:06 p.m.HRL Harlingen Valley Intl-YYZ Toronto Pearson Intl

10h 01m1 stop Houston George Bush Intcntl

C$ 932United Airlines

Wed, 24 Feb - Thu, 4 Mar

7:00 a.m. - 7:29 p.m.YWG Winnipeg-HRL Harlingen Valley Intl

12h 29m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:18 a.m. - 6:41 p.m.HRL Harlingen Valley Intl-YWG Winnipeg

11h 23m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 939United Airlines

Booking Insights

Price, demand, and travel trends for Canada to Harlingen flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Canada to Harlingen with more confidence.

Prices

Airlines

What is the cheapest flight to Harlingen?: Montreal Pierre Elliott Trudeau Intl Airport to Harlingen is the cheapest route at C$ 660 round-trip, found in the past 5 days on KAYAK. Winnipeg to Harlingen is the most popular connection with round-trip deals from C$ 911.
How much is a flight to Harlingen? Average and cheapest price for all round-trip flights to Harlingen from each origin found by users searching on KAYAK in the last 12 months.: A round-trip flight to Harlingen costs C$ 1,004 on average, based on data over the past 12 months on KAYAK. Round-trip fares from Montreal average C$ 874, while Toronto runs a bit higher at C$ 892.
What is the cheapest day to fly to Harlingen?: Tuesday is the cheapest day to fly to Harlingen at C$ 861 round-trip on average over the past 12 months on KAYAK. Saturday is the most expensive at C$ 1,205.
What is the cheapest time of day to fly to Harlingen? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Morning flights to Harlingen are the cheapest at C$ 960 round-trip on average. Night flights are the most expensive at C$ 1,324.
What is a good deal for flights to Harlingen?: Flights under C$ 874 are considered a good deal. 25% of KAYAK users found round-trip flights to Harlingen at or below these prices, with the lowest fares from:
•Montreal C$ 585.

Find deals

Low season	June
High season	December
Cheapest flight	C$ 372

Best time to beat the crowds (16% less expensive on average)

Most popular time to fly (18% more expensive on average)

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Harlingen

When to book flights to Harlingen

Are your dates flexible? Find out the best times to travel to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Harlingen based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Harlingen is a good deal?
A good deal on a flight to Harlingen is around C$ 874 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Where can I fly from to get the cheapest fares to Harlingen?
Based on fares booked in the past 5 days, the cheapest flights to Harlingen are from:
• Montreal, from C$ 660 round-trip
• Toronto, from C$ 765 round-trip

For flights to Harlingen, recent KAYAK data shows that stronger deals tend to land around C$ 874 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
If you can choose when to go, aim to travel to Harlingen in February. Round-trip fares historically average C$ 632 that month – typically the cheapest month to travel based on the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to morning to save up to C$ 363 per round-trip. Morning flights to Harlingen average C$ 960 compared to C$ 1,324 for evening flights. See the time-of-day chart above for the full breakdown.

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HRL

C$ 372 Find Cheap Flights to Harlingen – Compare and Save

Everything you should know

Cheap Flights to Harlingen

Recent round-trip flight deals to Harlingen

Recent one-way flight deals to Harlingen

Recent last minute flight deals to Harlingen

All round-trip flight deals to Harlingen

Price, demand, and travel trends for Canada to Harlingen flights

What is the cheapest flight to Harlingen?

How much is a flight to Harlingen?

What is the cheapest day to fly to Harlingen?

What is the cheapest time of day to fly to Harlingen?

What is a good deal for flights to Harlingen?

What are the most popular airlines flying to Harlingen?

Key details for flights to Harlingen

Low season

High season

Cheapest flight

When to book flights to Harlingen

Your questions about flights to Harlingen, answered

Your guide to booking Harlingen flights

More options for your flight to Harlingen

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

Information on the airport you'll fly into in Harlingen

Cabin class types available on flights to Harlingen

Flights from local origins to Harlingen

Flights to other popular destinations