$720+ Cheap flights from Harlingen (HRL) to Monterrey (MTY)
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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — MTY
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to Monterrey 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 Harlingen to Monterrey
Cheapest
Best
Last-minute
Cheapest flights from Harlingen to MonterreyExplore the most affordable flight options available from Harlingen to Monterrey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Harlingen to Monterrey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:46 pm -
1 stop15h 32m
Mon 12/75:28 pm -
1 stop5h 26m
Deal found 10/16![American Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:05 am -
1 stop6h 46m
Tue 12/2911:00 am -
1 stop5h 03m
Deal found 10/18![United Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
1 stop4h 32m
Sun 10/2510:00 am -
1 stop5h 01m
Deal found 10/18![United Airlines logo]()
$872
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:40 am -
1 stop5h 45m
Sun 10/184:23 pm -
1 stop24h 49m
Deal found 10/16![American Airlines logo]()
$977
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:00 pm -
1 stop21h 48m
Sun 10/185:15 pm -
1 stop25h 29m
Deal found 10/16![United Airlines logo]()
$1,186
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2711:46 am -
2 stops35h 29m
Tue 12/296:00 am -
3 stops28h 49m
Deal found 10/18![Multiple Airlines logo]()
$1,649
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm -
2 stops31h 20m
Sun 10/2510:35 am -
2 stops25h 46m
Deal found 10/18![Air Canada logo]()
$6,271
Best flights from Harlingen to MonterreyDiscover carefully curated flight deals from Harlingen to Monterrey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Harlingen to Monterrey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/55:40 am -
1 stop7h 06m
Tue 2/98:08 am -
1 stop25h 57m
Deal found 10/16![American Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:05 am -
1 stop6h 46m
Tue 12/2911:00 am -
1 stop5h 03m
Deal found 10/18![United Airlines logo]()
$784
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:46 pm -
1 stop15h 32m
Mon 12/75:28 pm -
1 stop5h 26m
Deal found 10/16![American Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2711:46 am -
2 stops35h 29m
Tue 12/296:00 am -
3 stops28h 49m
Deal found 10/18![Multiple Airlines logo]()
$1,649
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:00 am -
1 stop4h 51m
Fri 2/56:00 pm -
1 stop21h 53m
Deal found 10/16![United Airlines logo]()
$958
Last-minute flights from Harlingen to MonterreyDiscover last-minute flight deals from Harlingen to Monterrey. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Monterrey. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
1 stop4h 32m
Sun 10/2510:00 am -
1 stop5h 01m
Deal found 10/18![United Airlines logo]()
$872
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm -
2 stops31h 20m
Sun 10/2510:35 am -
2 stops25h 46m
Deal found 10/18![Air Canada logo]()
$6,271
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:46 pm -
1 stop15h 32m
Mon 12/75:28 pm -
1 stop5h 26m
Deal found 10/16![American Airlines logo]()
$728
Find flight deals from Harlingen to Monterrey
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Monterrey (MTY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Monterrey that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Harlingen to Monterrey that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarlingenMonterrey
HRL Harlingen Valley Intl - MTY Monterrey Gen Mariano Escobedo
HRLMTY
Harlingen Valley Intl
Fri 2/5
5:40 am-12:46 pm
1 stop7h 06m
Monterrey Gen Mariano Escobedo
Tue 2/9
8:08 am-10:05 am
1 stop25h 57m
$720
HarlingenMonterrey
HRL Harlingen Valley Intl - MTY Monterrey Gen Mariano Escobedo
HRLMTY
Harlingen Valley Intl
Mon 11/30
6:46 pm-10:18 am
1 stop15h 32m
Monterrey Gen Mariano Escobedo
Mon 12/7
5:28 pm-10:54 pm
1 stop5h 26m
$728
Quickest round-trip
HarlingenMonterrey
HRL Harlingen Valley Intl - MTY Monterrey Gen Mariano Escobedo
HRLMTY
Harlingen Valley Intl
Sun 12/27
5:05 am-11:51 am
1 stop6h 46m
Monterrey Gen Mariano Escobedo
Tue 12/29
11:00 am-4:03 pm
1 stop5h 03m
$784
HarlingenMonterrey
HRL Harlingen Valley Intl - MTY Monterrey Gen Mariano Escobedo
HRLMTY
Harlingen Valley Intl
Fri 2/5
7:00 am-11:51 am
1 stop4h 51m
Monterrey Gen Mariano Escobedo
Fri 2/5
6:00 pm-3:53 pm
1 stop21h 53m
$958
HarlingenMonterrey
HRL Harlingen Valley Intl - MTY Monterrey Gen Mariano Escobedo
HRLMTY
Harlingen Valley Intl
Sun 12/27
11:46 am-11:15 pm
2 stops35h 29m
Monterrey Gen Mariano Escobedo
Tue 12/29
6:00 am-10:49 am
3 stops28h 49m
$1,649
Sorted by cheapest first
Compare providers for flights from Harlingen to Monterrey
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Monterrey in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harlingen-Monterrey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Monterrey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Monterrey flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Monterrey 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 Harlingen-Monterrey 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 Harlingen to Monterrey
Have a flexible travel schedule? Discover the best time to fly to Monterrey from Harlingen with our price prediction graph.
HRL-MTY
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
Find useful and relevant information for your journey from Harlingen to Monterrey. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Monterrey if you plan to visit one of these locationsSan Pedro Garza Garcia
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