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Harlingen

$130+ Cheap flights from Colorado to Harlingen, TX (HRL)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HRL
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Colorado to Harlingen

Keep the following information in mind while searching for Colorado to Harlingen flight deals. Data was last updated August 18, 2025.

Round-trip from

$229
(American Airlines)

One-way from

$130
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$280
From Colorado to Harlingen Valley Intl
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One-way flight from Colorado to Harlingen Valley Intl
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Colorado to Harlingen

Cheapest flights from Colorado to Harlingen
Explore the most affordable flight options available from Colorado to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/92:47 pmDEN - HRL
1 stop7h 10mAmerican Airlines
Tue 9/235:45 amHRL - DEN
1 stop7h 06mAmerican Airlines
Deal found 8/17$229
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:40 pmDEN - HRL
1 stop6h 45mSouthwest
Thu 8/286:40 amHRL - DEN
1 stop7h 05mSouthwest
Deal found 8/18$259
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:27 amCOS - HRL
1 stop6h 48mAmerican Airlines
Wed 8/202:47 pmHRL - COS
1 stop4h 33mAmerican Airlines
Deal found 8/18$259
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:00 amDEN - HRL
1 stop5h 20mSouthwest
Mon 9/299:30 amHRL - DEN
2 stops7h 30mSouthwest
Deal found 8/17$263
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 8/285:02 amDEN - HRL
1 stop4h 48mUnited Airlines
Sat 9/202:05 pmHRL - DEN
1 stop6h 48mUnited Airlines
Deal found 8/16$274
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 8/197:20 amDEN - HRL
1 stop5h 55mAmerican Airlines
Thu 8/216:20 pmHRL - DEN
1 stop6h 16mAmerican Airlines
Deal found 8/15$275
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:40 pmDEN - HRL
1 stop6h 45mSouthwest
Sat 9/612:50 pmHRL - DEN
1 stop7h 05mSouthwest
Deal found 8/17$283
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/139:30 amDEN - HRL
2 stops12h 27mAmerican Airlines
Sat 9/202:51 pmHRL - DEN
1 stop5h 56mAmerican Airlines
Deal found 8/16$294
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:30 amDEN - HRL
2 stops6h 35mSouthwest
Mon 12/811:30 amHRL - DEN
2 stops7h 30mSouthwest
Deal found 8/17$297
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/143:40 pmDEN - HRL
1 stop5h 12mUnited Airlines
Sun 9/215:00 amHRL - DEN
1 stop7h 39mUnited Airlines
Deal found 8/17$303
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:45 amCOS - HRL
1 stop4h 20mSouthwest
Thu 1/17:30 amHRL - COS
2 stops9h 45mSouthwest
Deal found 8/16$308
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 8/195:30 amCOS - HRL
2 stops7h 00mUnited Airlines
Wed 8/205:00 amHRL - COS
1 stop7h 21mUnited Airlines
Deal found 8/18$334

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Harlingen 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 August 18, 2025.
Use the filters below to find and compare flights from Colorado to Harlingen that are best for you.

Fly from

Colorado

Fly to

Harlingen

Route

Depart

Return

Price

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 9/9

5:44 am-2:19 pm

1 stop7h 35m

Harlingen Valley Intl

Tue 9/23

5:45 am-9:41 am

1 stop4h 56m

$229

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Mon 9/22

5:00 am-11:20 am

1 stop5h 20m

Harlingen Valley Intl

Mon 9/29

11:55 am-6:55 pm

1 stop8h 00m

$229

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 9/13

5:44 am-2:19 pm

1 stop7h 35m

Harlingen Valley Intl

Sat 9/20

2:51 pm-7:47 pm

1 stop5h 56m

$229

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 8/23

1:40 pm-9:25 pm

1 stop6h 45m

Harlingen Valley Intl

Thu 8/28

6:40 am-12:45 pm

1 stop7h 05m

$259

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 8/28

5:02 am-10:50 am

1 stop4h 48m

Harlingen Valley Intl

Sat 9/20

2:05 pm-7:53 pm

1 stop6h 48m

$274

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 8/30

1:40 pm-9:25 pm

1 stop6h 45m

Harlingen Valley Intl

Sat 9/6

12:50 pm-6:55 pm

1 stop7h 05m

$283

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Tue 12/23

9:45 am-3:05 pm

1 stop4h 20m

Harlingen Valley Intl

Thu 1/1

7:30 am-4:15 pm

2 stops9h 45m

$308

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Mon 9/1

6:27 am-2:15 pm

1 stop6h 48m

Harlingen Valley Intl

Fri 9/5

6:35 pm-10:08 pm

1 stop4h 33m

$622

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Fri 11/21

12:45 pm-7:30 pm

1 stop29h 45m

Harlingen Valley Intl

Fri 11/28

5:51 am-3:41 pm

1 stop10h 50m

$670

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Mon 9/1

6:25 pm-4:02 pm

2 stops20h 37m

Harlingen Valley Intl

Fri 9/5

2:05 pm-11:50 pm

2 stops10h 45m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 14 results
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Best time to book a flight from Colorado to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Colorado 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 Colorado to Harlingen

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

Currently, April is the cheapest month in which you can book a flight from Colorado to Harlingen, Texas (average of $267). Flying from Colorado to Harlingen, Texas in June is currently the most expensive (average of $381). 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 CO to HRL?

Find hourly flight availability from Colorado to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Harlingen, Texas as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Harlingen. 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 into for flights to Harlingen from Colorado?

    Most people fly into Harlingen Valley Intl (HRL) if they book a flight to Harlingen from Colorado. Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

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

    Airlines like American Airlines and Southwest fly from Colorado to Harlingen, Texas in about 5h 20m. The time it takes to get you to your destination can typically vary by up to 2h 15m. There are 1024 mi between Colorado and Harlingen, Texas. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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.

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

    Currently, April is the cheapest month in which you can book a flight from Colorado to Harlingen, Texas (average of $267). Flying from Colorado to Harlingen, Texas in June is currently the most expensive (average of $381). 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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Top 3 airlines flying from Colorado to Harlingen

Discover the top 3 airlines that operate flights from Colorado to Harlingen. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$348FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$222Average$324FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$294Average$350FlexibilityNo cancel feeOn-time69%

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