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

Airlines like Southwest, American Airlines, and United Airlines fly from Colorado to Harlingen, Texas in about 4h 30m. The time it takes to get you to your destination can typically vary by up to 2h 47m. 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.

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 $98 on Southwest. Other airlines that offer cheap prices include American Airlines from $129 and United Airlines from $153 one-way.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What are the most popular airlines that fly from Colorado to Harlingen, Texas?

The most popular airlines flying from Colorado to Harlingen, Texas are Southwest, American Airlines and United Airlines. Something to consider prior to booking your flight.

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

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.

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.

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.

$99+ Flights from Colorado to Harlingen, TX

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Cheap 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 December 28, 2025.

Wed 12/311:05 pmDEN - HRL

1 stop7h 15mSouthwest

Sun 1/48:35 pmHRL - DEN

1 stop4h 40mSouthwest

Deal found 12/26

$519

Best flights from Colorado to Harlingen
Discover carefully curated flight deals from Colorado to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Fri 2/136:00 amDEN - HRL

1 stop4h 30mSouthwest

Tue 2/176:35 amHRL - DEN

1 stop5h 00mSouthwest

Deal found 12/27

$197

Wed 2/113:17 pmCOS - HRL

1 stop7h 04mAmerican Airlines

Wed 2/186:46 pmHRL - COS

1 stop4h 22mAmerican Airlines

Deal found 12/27

$238

Sat 2/1411:41 amDEN - HRL

1 stop7h 17mUnited Airlines

Fri 2/205:20 pmHRL - DEN

1 stop7h 15mUnited Airlines

Deal found 12/25

$247

Mon 4/136:30 amDEN - HRL

1 stop7h 35mDelta

Wed 4/154:00 pmHRL - DEN

1 stop8h 15mDelta

Deal found 12/27

$259

Sat 2/142:20 pmDEN - HRL

1 stop6h 10mSouthwest

Fri 2/208:05 pmHRL - DEN

1 stop4h 50mSouthwest

Deal found 12/26

$197

Thu 2/510:30 amDEN - HRL

1 stop5h 25mSouthwest

Sun 2/86:30 amHRL - DEN

1 stop6h 45mSouthwest

Deal found 12/27

$197

Fri 1/96:00 amDEN - HRL

1 stop7h 49mAmerican Airlines

Sun 1/116:44 pmHRL - DEN

1 stop4h 50mAmerican Airlines

Deal found 12/26

$240

Wed 4/86:20 amDEN - HRL

1 stop7h 49mDelta

Fri 4/104:04 pmHRL - DEN

1 stop8h 35mDelta

Deal found 12/27

$259

Wed 2/182:25 pmDEN - HRL

2 stops6h 25mSouthwest

Wed 2/256:40 pmHRL - DEN

1 stop5h 00mSouthwest

Deal found 12/26

$253

Tue 1/2012:09 pmCOS - HRL

1 stop6h 52mUnited Airlines

Wed 1/215:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Deal found 12/25

$333

Sat 1/1012:40 pmDEN - HRL

1 stop5h 20mSouthwest

Wed 1/1412:15 pmHRL - DEN

2 stops8h 20mSouthwest

Deal found 12/27

$258

Thu 4/2310:55 amDEN - HRL

1 stop5h 30mSouthwest

Tue 4/286:20 amHRL - DEN

1 stop5h 05mSouthwest

Deal found 12/26

$259

Mon 4/138:00 amDEN - HRL

1 stop7h 15mSouthwest

Wed 4/1512:50 pmHRL - DEN

2 stops7h 40mSouthwest

Deal found 12/27

$264

Wed 2/111:45 pmCOS - HRL

2 stops7h 05mSouthwest

Wed 2/1812:10 pmHRL - COS

2 stops8h 10mSouthwest

Deal found 12/26

$267

Wed 3/42:10 pmDEN - HRL

1 stop6h 40mSouthwest

Sun 3/86:30 pmHRL - DEN

1 stop6h 35mSouthwest

Deal found 12/26

$268

Thu 5/146:15 amCOS - HRL

2 stops9h 00mSouthwest

Mon 5/186:00 amHRL - COS

1 stop8h 35mSouthwest

Deal found 12/27

$330

Last-minute flights from Colorado to Harlingen
Discover last-minute flight deals from Colorado to Harlingen. Data last updated December 28, 2025 and is based on user searches.

Fri 1/96:00 amDEN - HRL

1 stop7h 49mAmerican Airlines

Tue 1/136:44 pmHRL - DEN

1 stop4h 50mAmerican Airlines

Deal found 12/24

$240

Fri 1/98:45 amDEN - HRL

2 stops7h 20mSouthwest

Sun 1/115:30 pmHRL - DEN

1 stop5h 45mSouthwest

Deal found 12/26

$323

Sat 1/1012:40 pmDEN - HRL

1 stop5h 20mSouthwest

Wed 1/146:30 amHRL - DEN

1 stop6h 45mSouthwest

Deal found 12/27

$197

Sat 1/105:29 pmDEN - HRL

1 stop4h 52mAmerican Airlines

Sun 1/116:44 pmHRL - DEN

1 stop4h 50mAmerican Airlines

Deal found 12/26

$249

Sat 1/105:29 pmDEN - HRL

1 stop4h 52mAmerican Airlines

Wed 1/146:44 pmHRL - DEN

1 stop4h 50mAmerican Airlines

Deal found 12/26

$286

Sat 1/1012:40 pmDEN - HRL

2 stops7h 50mSouthwest

Sun 1/115:30 pmHRL - DEN

1 stop5h 45mSouthwest

Deal found 12/26

$313

Tue 1/131:30 pmDEN - HRL

1 stop7h 29mUnited Airlines

Wed 1/145:25 pmHRL - DEN

1 stop5h 41mUnited Airlines

Deal found 12/24

$312

Thu 1/156:00 amDEN - HRL

1 stop7h 46mAmerican Airlines

Mon 1/196:44 pmHRL - DEN

1 stop4h 50mAmerican Airlines

Deal found 12/25

$270

Tue 1/2012:09 pmCOS - HRL

1 stop6h 52mUnited Airlines

Wed 1/215:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Deal found 12/25

$333

One-way flights from Colorado to Harlingen
Search for one-way flight options from Colorado to Harlingen. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 1/262:10 pmDEN - HRL

1 stop6h 40mSouthwest

Deal found 12/25

$99

Sat 3/285:00 amDEN - HRL

1 stop5h 16mUnited Airlines

Deal found 12/27

$130

Mon 1/126:12 amCOS - HRL

1 stop7h 34mAmerican Airlines

Deal found 12/27

$155

Mon 1/127:20 amCOS - HRL

2 stops8h 45mSouthwest

Deal found 12/27

$180

Tue 1/133:17 pmCOS - HRL

1 stop7h 04mAmerican Airlines

Deal found 12/27

$190

Tue 1/1310:33 amCOS - HRL

2 stops8h 28mUnited Airlines

Deal found 12/27

$195

Sat 3/283:30 pmDEN - HRL

2 stops7h 25mSouthwest

Deal found 12/27

$214

Find flight deals from Colorado to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$197 (Southwest)
One-way from	$99 (Southwest)
Popular in	April
Cheapest in	October
Average price	$358

Provider with most accurate pricing for Denver Intl-Harlingen Valley Intl flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Harlingen Valley Intl flights.

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From Colorado to Harlingen Valley Intl

Search Deals

One-way flight from Colorado to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 2/13

6:00 am-11:30 am

1 stop4h 30m

Harlingen Valley Intl

Tue 2/17

6:35 am-10:35 am

1 stop5h 00m

$197

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 2/14

2:20 pm-9:30 pm

1 stop6h 10m

Harlingen Valley Intl

Fri 2/20

8:05 pm-11:55 pm

1 stop4h 50m

$197

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 2/5

10:30 am-4:55 pm

1 stop5h 25m

Harlingen Valley Intl

Sun 2/8

6:30 am-12:15 pm

1 stop6h 45m

$197

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Wed 2/11

3:17 pm-11:21 pm

1 stop7h 04m

Harlingen Valley Intl

Wed 2/18

6:46 pm-10:08 pm

1 stop4h 22m

$238

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 1/9

6:00 am-2:49 pm

1 stop7h 49m

Harlingen Valley Intl

Sun 1/11

6:44 pm-10:34 pm

1 stop4h 50m

$240

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 2/14

11:41 am-7:58 pm

1 stop7h 17m

Harlingen Valley Intl

Fri 2/20

5:20 pm-11:35 pm

1 stop7h 15m

$247

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 2/18

2:25 pm-9:50 pm

2 stops6h 25m

Harlingen Valley Intl

Wed 2/25

6:40 pm-10:40 pm

1 stop5h 00m

$253

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 1/10

12:40 pm-7:00 pm

1 stop5h 20m

Harlingen Valley Intl

Wed 1/14

12:15 pm-7:35 pm

2 stops8h 20m

$258

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Mon 4/13

6:30 am-3:05 pm

1 stop7h 35m

Harlingen Valley Intl

Wed 4/15

4:00 pm-11:15 pm

1 stop8h 15m

$259

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 4/8

6:20 am-3:09 pm

1 stop7h 49m

Harlingen Valley Intl

Fri 4/10

4:04 pm-11:39 pm

1 stop8h 35m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 23 results

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, November is the cheapest month in which you can book a flight from Colorado to Harlingen, Texas (average of $190). Flying from Colorado to Harlingen, Texas in June is currently the most expensive (average of $292). 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.

Related info for your journey

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 Southwest, American Airlines, and United Airlines fly from Colorado to Harlingen, Texas in about 4h 30m. The time it takes to get you to your destination can typically vary by up to 2h 47m. 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.
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 $98 on Southwest. Other airlines that offer cheap prices include American Airlines from $129 and United Airlines from $153 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, November is the cheapest month in which you can book a flight from Colorado to Harlingen, Texas (average of $190). Flying from Colorado to Harlingen, Texas in June is currently the most expensive (average of $292). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Colorado to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$196	Average$322	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$236	Average$347	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$294	Average$367	FlexibilityNo cancel fee	On-time69%

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$99+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Harlingen with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado to Harlingen

Cheapest flights from Colorado to HarlingenExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Colorado to Harlingen

Keep the following information in mind while searching for Colorado to Harlingen flight deals. Data was last updated December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Harlingen that are best for you.

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.

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?

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?

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

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

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

How can I find direct flights from Colorado to Harlingen?

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

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

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Alternative routes for Colorado to Harlingen

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Top 3 airlines flying from Colorado to Harlingen

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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 December 28, 2025.