$133 Cheap Flights from Harlingen (HRL) to Cancun (CUN)

View $133 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN)

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Cheap Flights from Harlingen to Cancun (HRL-CUN)

Prices were available within the past 7 days and start at $133 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Sep 7 - Wed, Sep 10
HRL
Harlingen
CUN
Cancun
$294 Roundtrip, found 10 hours ago
$294
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Sep 7 from Harlingen to Cancun, returning Wed, Sep 10, priced at $294 found 10 hours ago
United
Sun, Nov 2 - Thu, Nov 6
HRL
Harlingen
CUN
Cancun
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Harlingen to Cancun, returning Thu, Nov 6, priced at $296 found 1 day ago
Southwest Airlines
Mon, Aug 18 - Thu, Aug 21
HRL
Harlingen
CUN
Cancun
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Mon, Aug 18 from Harlingen to Cancun, returning Thu, Aug 21, priced at $299 found 1 day ago
United
Sun, Nov 2 - Thu, Nov 6
HRL
Harlingen
CUN
Cancun
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Harlingen to Cancun, returning Thu, Nov 6, priced at $299 found 1 day ago
United
Sun, Sep 7 - Wed, Sep 10
HRL
Harlingen
CUN
Cancun
$300 Roundtrip, found 10 hours ago
$300
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Sep 7 from Harlingen to Cancun, returning Wed, Sep 10, priced at $300 found 10 hours ago
United
Sun, Nov 2 - Thu, Nov 6
HRL
Harlingen
CUN
Cancun
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Harlingen to Cancun, returning Thu, Nov 6, priced at $301 found 1 day ago
United
Mon, Oct 6 - Fri, Oct 10
HRL
Harlingen
CUN
Cancun
$302 Roundtrip, found 3 days ago
$302
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 6 from Harlingen to Cancun, returning Fri, Oct 10, priced at $302 found 3 days ago
Sun Country Airlines
Wed, Aug 6 - Wed, Aug 13
HRL
Harlingen
CUN
Cancun
$313 Roundtrip, found 22 hours ago
$313
Roundtrip
found 22 hours ago
Select Sun Country Airlines flight, departing Wed, Aug 6 from Harlingen to Cancun, returning Wed, Aug 13, priced at $313 found 22 hours ago
American Airlines
Mon, Aug 18 - Fri, Aug 22
HRL
Harlingen
CUN
Cancun
$484 Roundtrip, just found
$484
Roundtrip
just found
Select American Airlines flight, departing Mon, Aug 18 from Harlingen to Cancun, returning Fri, Aug 22, priced at $484 just found
Delta
Fri, Dec 5 - Wed, Dec 17
HRL
Harlingen
CUN
Cancun
$541 Roundtrip, found 3 days ago
$541
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 5 from Harlingen to Cancun, returning Wed, Dec 17, priced at $541 found 3 days ago

Find the cheapest month to fly from Harlingen (HRL) to Cancun (CUN)

September is typically the cheapest month to fly

From $305 - $1,441 per traveler.

Graph displaying average flight prices per month

Flights from Harlingen (HRL) to Cancun (CUN)
Origin airport
Valley Intl.
Destination airport
Cancun Intl.
Airlines serving
Air Canada, American Airlines, Delta, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$294
Distance
770 mi

Harlingen to Cancun Flights

The cheapest times to fly from Harlingen to Cancun

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Harlingen to Cancun are during the month of September. You can find some of the cheapest flights from Harlingen to Cancun with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Harlingen to Cancun

Sunday is one of the best days to book for cheap flights from Harlingen to Cancun: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Harlingen to Cancun

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Harlingen to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $133 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Harlingen to Cancun flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Harlingen to Cancun airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN) cost?
Grab cheap return flights starting at $323 from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Sun Country Airlines flight leaving HRL on July 30 2025 and touching down at CUN. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from HRL to CUN?
The cheapest flights from HRL to CUN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN)?
There are no direct flights from Harlingen, TX (HRL-Valley Intl.) to Cancun Intl. Airport (CUN). However, you'll find other airports that have nonstop flights. Start your journey at Miller Intl. Airport (MFE) and fly straight to Cancun without layovers.
What is the cheapest airline that flies from HRL to CUN?
At the moment, the cheapest carrier offering one-way flights from HRL to CUN is Sun Country Airlines. You can take off on this route from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HRL on August 6 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN)?
You'll need to take a flight with a layover when traveling from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from HRL to CUN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN)?
Select a flight from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN) last-minute?
Booking your flight from HRL to CUN right before your trip is generally more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a HRL to CUN flight and hotel package?
Securing a HRL to CUN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Valley Intl. Airport (HRL) to Cancun Intl. Airport (CUN)?
If you booked your HRL to CUN flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.