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$299+ Cheap flights from Harlingen, TX (HRL) to Mexico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — MEX
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Harlingen to Mexico

Keep the following information in mind while searching for Harlingen to Mexico flight deals. Data was last updated September 16, 2025.

Round-trip from

$328
(United Airlines)

One-way from

$299
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$696
From Harlingen Valley Intl to Mexico
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One-way flight from Harlingen Valley Intl to Mexico
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Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Harlingen to Mexico

Cheapest flights from Harlingen to Mexico
Explore the most affordable flight options available from Harlingen to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/62:05 pmHRL - CUN
1 stop5h 15mUnited Airlines
Thu 10/97:51 amCUN - HRL
1 stop11h 50mUnited Airlines
Deal found 9/15$328
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/295:00 amHRL - CUN
1 stop11h 50mUnited Airlines
Wed 11/56:30 amCUN - HRL
1 stop5h 29mUnited Airlines
Deal found 9/14$355
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/65:23 amHRL - CUN
2 stops10h 02mAmerican Airlines
Thu 10/911:45 amCUN - HRL
2 stops12h 17mAmerican Airlines
Deal found 9/15$380
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/1412:10 pmHRL - CUN
1 stop7h 08mUnited Airlines
Mon 11/176:30 amCUN - HRL
1 stop5h 29mUnited Airlines
Deal found 9/15$408
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/295:25 amHRL - CUN
2 stops9h 55mAmerican Airlines
Wed 11/53:22 pmCUN - HRL
1 stop8h 52mAmerican Airlines
Deal found 9/14$416
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:00 amHRL - CUN
1 stop7h 59mUnited Airlines
Thu 11/62:44 pmCUN - HRL
1 stop5h 55mUnited Airlines
Deal found 9/15$419
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/245:00 amHRL - CUN
1 stop5h 04mUnited Airlines
Mon 10/275:30 amCUN - HRL
1 stop5h 29mUnited Airlines
Deal found 9/14$437
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:20 pmHRL - CUN
2 stops17h 25mAmerican Airlines
Thu 11/62:16 pmCUN - HRL
1 stop9h 41mAmerican Airlines
Deal found 9/15$461
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/246:37 pmHRL - CUN
2 stops17h 08mAmerican Airlines
Mon 10/276:05 pmCUN - HRL
1 stop15h 33mAmerican Airlines
Deal found 9/14$470
This Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:51 pmHRL - CUN
2 stops18h 50mMultiple Airlines
Fri 10/107:51 amCUN - HRL
1 stop11h 50mMultiple Airlines
Deal found 9/15$483
This American Airlines deal was found by Cheapflights users on 9/15. 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 12/56:10 pmHRL - CUN
1 stop15h 49mAmerican Airlines
Wed 12/1012:03 pmCUN - HRL
1 stop12h 08mAmerican Airlines
Deal found 9/15$488
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/155:00 amHRL - MEX
1 stop11h 40mUnited Airlines
Sun 10/194:40 pmMEX - HRL
1 stop5h 38mUnited Airlines
Deal found 9/14$579

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Mexico 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Harlingen to Mexico that are best for you.

Fly from

Harlingen

Fly to

Mexico

Route

Depart

Return

Price

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Mon 10/6

2:05 pm-7:20 pm

1 stop5h 15m

Cancun

Thu 10/9

7:51 am-7:41 pm

1 stop11h 50m

$328

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Wed 10/29

5:00 am-4:50 pm

1 stop11h 50m

Cancun

Wed 11/5

6:30 am-10:59 am

1 stop5h 29m

$355

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Mon 10/6

5:23 am-3:25 pm

2 stops10h 02m

Cancun

Thu 10/9

11:45 am-12:02 am

2 stops12h 17m

$380

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Fri 11/14

12:10 pm-8:18 pm

1 stop7h 08m

Cancun

Mon 11/17

6:30 am-10:59 am

1 stop5h 29m

$408

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Wed 10/29

5:25 am-3:20 pm

2 stops9h 55m

Cancun

Wed 11/5

3:22 pm-11:14 pm

1 stop8h 52m

$416

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Thu 10/30

7:00 am-2:59 pm

1 stop7h 59m

Cancun

Thu 11/6

2:44 pm-7:39 pm

1 stop5h 55m

$419

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Fri 10/24

5:00 am-10:04 am

1 stop5h 04m

Cancun

Mon 10/27

5:30 am-10:59 am

1 stop5h 29m

$437

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Thu 10/30

6:20 pm-11:45 am

2 stops17h 25m

Cancun

Thu 11/6

2:16 pm-10:57 pm

1 stop9h 41m

$461

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Fri 10/24

6:37 pm-11:45 am

2 stops17h 08m

Cancun

Mon 10/27

6:05 pm-9:38 am

1 stop15h 33m

$470

HarlingenCancún

HRL - CUN

HRLCUN

Harlingen Valley Intl

Tue 1/6

5:48 am-4:04 pm

1 stop9h 16m

Cancun

Tue 1/20

8:59 am-4:17 pm

1 stop8h 18m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 34 results
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Best time to book a flight from Harlingen to Mexico

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

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Mexico

What is the cheapest month to book a flight from Harlingen, Texas to Mexico?

Currently, May is the cheapest month in which you can book a flight from Harlingen, Texas to Mexico (average of $387). Flying from Harlingen, Texas to Mexico in December is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Harlingen to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Harlingen to Mexico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
330 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to Mexico?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to Mexico.

  • How long is the flight from Harlingen, Texas to Mexico?

    There are many flights that can get you from Harlingen, Texas to Mexico in 5h 15m. Fly via United Airlines or American Airlines to get the fastest option. Harlingen, Texas and Mexico are separated by a distance of 770 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Harlingen, Texas to Mexico?

    While some choose either Harlingen Valley Intl - Mexico City Benito Juarez or Harlingen Valley Intl - Puebla City Huejotzingo, Harlingen Valley Intl - Cancun is the most popular route from Harlingen, Texas to Mexico.

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

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

  • How can I find direct flights from Harlingen to Mexico?

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

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

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

  • What is the cheapest month to book a flight from Harlingen, Texas to Mexico?

    Currently, May is the cheapest month in which you can book a flight from Harlingen, Texas to Mexico (average of $387). Flying from Harlingen, Texas to Mexico in December is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Harlingen to Mexico

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Top 4 airlines flying from Harlingen to Mexico

Discover the top 4 airlines that operate flights from Harlingen to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$316Average$329FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$369Average$742FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$392Average$617FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$452Average$550FlexibilityNo cancel feeOn-time71%

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