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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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HRL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$197
(Southwest)

One-way from

$130
(Southwest)

Popular in

June

Cheapest in

February

Average price

$362
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. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 8/75:00 amDEN - HRL
1 stop5h 20mSouthwest
Mon 8/116:40 amHRL - DEN
1 stop7h 05mSouthwest
Deal found 7/2$197
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/296:35 pmDEN - HRL
1 stop4h 31mAmerican Airlines
Tue 8/57:59 pmHRL - DEN
1 stop4h 45mAmerican Airlines
Deal found 7/1$224
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/24:55 pmCOS - HRL
1 stop6h 11mAmerican Airlines
Wed 8/65:30 amHRL - COS
1 stop5h 32mAmerican Airlines
Deal found 7/2$228
This Southwest deal was found by Cheapflights users on 7/3. 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 8/24:15 pmCOS - HRL
1 stop4h 00mSouthwest
Wed 8/612:20 pmHRL - COS
1 stop7h 55mSouthwest
Deal found 7/3$229
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/181:49 pmDEN - HRL
1 stop4h 46mUnited Airlines
Tue 8/55:20 pmHRL - DEN
1 stop6h 09mUnited Airlines
Deal found 7/1$282
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/25:30 amCOS - HRL
2 stops9h 30mUnited Airlines
Wed 8/65:10 amHRL - COS
2 stops6h 45mUnited Airlines
Deal found 7/2$463
This Sun Country Air deal was found by Cheapflights users on 6/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:26 pmDEN - HRL
1 stop14h 05mSun Country Air
Sun 11/3011:58 amHRL - DEN
1 stop22h 32mSun Country Air
Deal found 6/30$465

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 July 3, 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

Thu 8/7

5:00 am-11:20 am

1 stop5h 20m

Harlingen Valley Intl

Mon 8/11

6:40 am-12:45 pm

1 stop7h 05m

$197

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 7/29

6:35 pm-12:06 am

1 stop4h 31m

Harlingen Valley Intl

Tue 8/5

7:59 pm-11:44 pm

1 stop4h 45m

$224

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 8/2

4:55 pm-12:06 am

1 stop6h 11m

Harlingen Valley Intl

Wed 8/6

5:30 am-10:02 am

1 stop5h 32m

$228

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 8/2

4:15 pm-9:15 pm

1 stop4h 00m

Harlingen Valley Intl

Wed 8/6

12:20 pm-7:15 pm

1 stop7h 55m

$229

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 7/18

1:49 pm-7:35 pm

1 stop4h 46m

Harlingen Valley Intl

Tue 8/5

5:20 pm-10:29 pm

1 stop6h 09m

$282

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 8/2

5:30 am-4:00 pm

2 stops9h 30m

Harlingen Valley Intl

Wed 8/6

5:10 am-10:55 am

2 stops6h 45m

$463

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Mon 7/28

5:30 am-1:40 pm

1 stop7h 10m

$130

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 7/16

6:35 pm-12:06 am

1 stop4h 31m

$204

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 7/24

1:49 pm-9:50 pm

1 stop7h 01m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $390). 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 July 3, 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.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Colorado to Harlingen, such as Southwest, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines to fly from Colorado to Harlingen, Texas one-way?

    One-way options have recently been found by users for as low as $130 on Southwest. Other airlines that offer cheap prices include American Airlines from $204 and United Airlines from $273 one-way.

  • 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 $390). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$351FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$348FlexibilityNo cancel feeOn-time69%

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