In terms of precipitation, rainfall in Harlingen ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What is the cheapest time of day to fly from MTY to HRL?

When flying from Monterrey to Harlingen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Monterrey-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monterrey-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monterrey-Harlingen flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Monterrey-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Monterrey-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Monterrey to Harlingen that include hotel bookings?

Yes. In addition to deals on Monterrey to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Monterrey to Harlingen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Monterrey to Harlingen.

Can I find deals for business class flights from Monterrey to Harlingen?

Yes. Cheapflights offers flight deals from Monterrey to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$530+ Cheap Flights from Monterrey to Harlingen

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Monterrey to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Monterrey to Harlingen

One-way

One-way flights from Monterrey to Harlingen
Search for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.

Sun 10/1110:00 am -

1 stop10h 52m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/2

$530

Find flight deals from Monterrey to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Monterrey Gen Mariano Escobedo-Harlingen Valley Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Monterrey Gen Mariano Escobedo-Harlingen Valley Intl flights.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Monterrey to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MonterreyHarlingen

MTY Monterrey Gen Mariano Escobedo - HRL Harlingen Valley Intl

MTYHRL

Monterrey Gen Mariano Escobedo

Sun 10/11

10:00 am-9:52 pm

1 stop10h 52m

Harlingen Valley Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Sorted by cheapest first

Most accurate provider: When it comes to deals on Monterrey-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monterrey-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monterrey-Harlingen flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Monterrey-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Monterrey-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Monterrey to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Monterrey with our price prediction graph.

MTY-HRL

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Monterrey to Harlingen that include hotel bookings?
Yes. In addition to deals on Monterrey to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Monterrey to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Monterrey to Harlingen.
Can I find deals for business class flights from Monterrey to Harlingen?
Yes. Cheapflights offers flight deals from Monterrey to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Harlingen flight routes

Other flight options

Other flights from Monterrey

Popular flights

Alternative routes for Monterrey to Harlingen

Monterrey to Dallas/Fort Worth flights

Monterrey to Hobby flights

Monterrey to George Bush Intcntl flights

Monterrey to San Antonio flights

Monterrey to Austin flights

Monterrey to McAllen flights

Monterrey to Corpus Christi flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Monterrey to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Monterrey to Harlingen

One-way flights from Monterrey to Harlingen
Search for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.

Search for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.

Find flight deals from Monterrey to Harlingen

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Monterrey to Harlingen that are best for you.

Best time to book a flight from Monterrey to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Monterrey with our price prediction graph.

Related info for your journey

Can I find deals for flights from Monterrey to Harlingen that include hotel bookings?

How can I find direct flights from Monterrey to Harlingen?

Can I find deals for business class flights from Monterrey to Harlingen?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Monterrey to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Monterrey to Harlingen by cabin class

Find flights from Monterrey to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Harlingen

Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.

Monterrey and Harlingen flights

Browse other Monterrey and Harlingen flight options. Last updated on October 5, 2026.

Other flights from Monterrey

Browse through other flights departing from Monterrey. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

$530+ Cheap flights from Monterrey (MTY) to Harlingen (HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Monterrey to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Monterrey to Harlingen

One-way flights from Monterrey to HarlingenSearch for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.

Search for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.

Find flight deals from Monterrey to Harlingen

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Monterrey to Harlingen that are best for you.

Best time to book a flight from Monterrey to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Monterrey with our price prediction graph.

Related info for your journey

Can I find deals for flights from Monterrey to Harlingen that include hotel bookings?

How can I find direct flights from Monterrey to Harlingen?

Can I find deals for business class flights from Monterrey to Harlingen?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Monterrey to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Monterrey to Harlingen by cabin class

Find flights from Monterrey to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Harlingen

Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.

Monterrey and Harlingen flights

Browse other Monterrey and Harlingen flight options. Last updated on October 5, 2026.

Other flights from Monterrey

Browse through other flights departing from Monterrey. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

One-way flights from Monterrey to Harlingen
Search for one-way flight options from Monterrey to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.