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

For as low as $172, Southwest can have you in Colorado from Harlingen, Texas in 4h 45m. There are 1024 mi between Harlingen, Texas and Colorado. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

Before booking your flight from Harlingen, Texas to Colorado check out the most popular airlines for this route: Southwest, American Airlines or United Airlines.

What airport do you fly from for flights from Harlingen to Colorado?

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 Colorado.

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

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

How can I find direct flights from Harlingen to Colorado?

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

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

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

$155+ Flights from Harlingen, TX to Colorado

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Cheap flight deals from Harlingen to Colorado

Cheapest flights from Harlingen to Colorado
Explore the most affordable flight options available from Harlingen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Tue 12/308:35 pmHRL - DEN

1 stop4h 40mSouthwest

Sat 1/35:15 amDEN - HRL

1 stop4h 45mSouthwest

Deal found 12/3

$339

Mon 12/295:20 pmHRL - DEN

1 stop7h 24mUnited Airlines

Thu 1/15:00 amDEN - HRL

1 stop5h 13mUnited Airlines

Deal found 12/3

$362

Mon 12/298:35 pmHRL - DEN

1 stop4h 40mSouthwest

Thu 1/13:05 pmDEN - HRL

2 stops5h 50mSouthwest

Deal found 12/3

$424

Fri 12/1212:13 pmHRL - DEN

1 stop4h 36mAmerican Airlines

Mon 12/154:42 pmDEN - HRL

1 stop5h 29mAmerican Airlines

Deal found 12/2

$444

Sat 12/135:03 pmHRL - DEN

1 stop6h 01mUnited Airlines

Mon 12/153:42 pmDEN - HRL

1 stop5h 12mUnited Airlines

Deal found 12/2

$449

Fri 12/198:35 pmHRL - DEN

1 stop4h 40mSouthwest

Sun 12/215:30 amDEN - HRL

1 stop4h 50mSouthwest

Deal found 12/3

$451

Fri 12/198:11 pmHRL - COS

1 stop4h 36mAmerican Airlines

Tue 12/236:00 amCOS - HRL

1 stop7h 18mAmerican Airlines

Deal found 12/3

$537

Thu 12/188:11 pmHRL - DEN

1 stop4h 45mAmerican Airlines

Mon 12/226:21 amDEN - HRL

1 stop6h 57mAmerican Airlines

Deal found 12/3

$542

Fri 12/197:00 amHRL - COS

1 stop15h 54mUnited Airlines

Tue 12/236:23 pmCOS - HRL

2 stops26h 36mUnited Airlines

Deal found 12/3

$770

Best flights from Harlingen to Colorado
Discover carefully curated flight deals from Harlingen to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 5, 2025.

Thu 2/268:10 pmHRL - DEN

1 stop4h 45mSouthwest

Sun 3/16:00 amDEN - HRL

1 stop4h 30mSouthwest

Deal found 12/4

$172

Fri 1/95:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Tue 1/1310:33 amCOS - HRL

2 stops10h 26mUnited Airlines

Deal found 12/2

$222

Sat 4/185:50 amHRL - DEN

1 stop6h 25mAmerican Airlines

Wed 4/226:52 pmDEN - HRL

1 stop4h 07mAmerican Airlines

Deal found 12/4

$259

Fri 1/912:15 pmHRL - DEN

2 stops8h 20mSouthwest

Mon 1/124:35 pmDEN - HRL

1 stop4h 15mSouthwest

Deal found 12/5

$178

Fri 1/910:50 amHRL - COS

1 stop9h 30mSouthwest

Tue 1/137:20 amCOS - HRL

1 stop9h 40mSouthwest

Deal found 12/2

$218

Tue 1/611:06 amHRL - COS

1 stop7h 35mAmerican Airlines

Thu 1/83:17 pmCOS - HRL

1 stop7h 04mAmerican Airlines

Deal found 12/4

$267

Tue 1/275:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Wed 1/2812:09 pmCOS - HRL

1 stop6h 52mUnited Airlines

Deal found 12/3

$287

Sat 1/245:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Wed 1/2812:09 pmCOS - HRL

1 stop6h 52mUnited Airlines

Deal found 12/2

$287

Sat 1/2412:10 pmHRL - DEN

1 stop5h 11mUnited Airlines

Tue 1/271:30 pmDEN - HRL

1 stop7h 29mUnited Airlines

Deal found 12/2

$317

Last-minute flights from Harlingen to Colorado
Discover last-minute flight deals from Harlingen to Colorado. Data last updated December 5, 2025 and is based on user searches.

Mon 12/295:20 pmHRL - DEN

1 stop7h 24mUnited Airlines

Thu 1/15:00 amDEN - HRL

1 stop5h 13mUnited Airlines

Deal found 12/3

$362

Mon 12/298:35 pmHRL - DEN

1 stop4h 40mSouthwest

Thu 1/13:05 pmDEN - HRL

2 stops5h 50mSouthwest

Deal found 12/3

$424

Tue 12/308:35 pmHRL - DEN

1 stop4h 40mSouthwest

Sat 1/35:15 amDEN - HRL

1 stop4h 45mSouthwest

Deal found 12/3

$339

Thu 1/16:30 pmHRL - DEN

1 stop4h 45mSouthwest

Fri 1/26:15 pmDEN - HRL

1 stop4h 40mSouthwest

Deal found 12/5

$364

Tue 1/611:06 amHRL - COS

1 stop7h 35mAmerican Airlines

Thu 1/83:17 pmCOS - HRL

1 stop7h 04mAmerican Airlines

Deal found 12/4

$267

Tue 1/66:30 amHRL - COS

2 stops7h 35mSouthwest

Thu 1/87:20 amCOS - HRL

1 stop9h 40mSouthwest

Deal found 12/4

$308

Fri 1/96:30 amHRL - DEN

1 stop6h 45mSouthwest

Mon 1/1210:55 amDEN - HRL

1 stop6h 05mSouthwest

Deal found 12/5

$166

Fri 1/910:50 amHRL - COS

1 stop9h 30mSouthwest

Tue 1/137:20 amCOS - HRL

1 stop9h 40mSouthwest

Deal found 12/2

$218

Fri 1/95:25 pmHRL - COS

1 stop5h 33mUnited Airlines

Tue 1/1310:33 amCOS - HRL

2 stops10h 26mUnited Airlines

Deal found 12/2

$222

Sat 1/245:25 pmHRL - DEN

1 stop7h 16mUnited Airlines

Tue 1/2711:47 amDEN - HRL

1 stop7h 14mUnited Airlines

Deal found 12/4

$317

Sat 1/249:20 amHRL - COS

2 stops9h 03mUnited Airlines

Wed 1/2811:33 amCOS - HRL

2 stops9h 26mUnited Airlines

Deal found 12/2

$343

Tue 1/277:00 amHRL - COS

1 stop5h 26mUnited Airlines

Wed 1/2812:09 pmCOS - HRL

1 stop6h 52mUnited Airlines

Deal found 12/4

$287

One-way flights from Harlingen to Colorado
Search for one-way flight options from Harlingen to Colorado. Find affordable one-way fares based on user searches. Data last updated December 5, 2025.

Wed 12/1710:11 amHRL - COS

1 stop6h 34mAmerican Airlines

Deal found 12/2

$155

Mon 12/228:11 pmHRL - DEN

1 stop4h 45mAmerican Airlines

Deal found 12/3

$155

Thu 12/2511:49 amHRL - DEN

1 stop7h 19mSun Country Air

Deal found 12/3

$183

Wed 12/1711:30 amHRL - COS

2 stops9h 10mSouthwest

Deal found 12/2

$185

Fri 1/28:35 pmHRL - DEN

1 stop4h 40mSouthwest

Deal found 12/3

$210

Sun 3/155:25 pmHRL - DEN

1 stop7h 19mUnited Airlines

Deal found 12/4

$223

Mon 12/225:45 pmHRL - DEN

2 stops7h 30mSouthwest

Deal found 12/3

$225

Tue 12/3010:55 amHRL - DEN

1 stop22h 20mMultiple Airlines

Deal found 12/3

$253

Fri 12/268:35 pmHRL - DEN

1 stop4h 40mSouthwest

Deal found 12/3

$260

Sat 1/38:11 pmHRL - DEN

1 stop4h 45mAmerican Airlines

Deal found 12/3

$268

Wed 12/3111:49 amHRL - DEN

1 stop6h 43mSun Country Air

Deal found 12/3

$303

Mon 1/55:20 pmHRL - DEN

1 stop7h 24mUnited Airlines

Deal found 12/3

$309

Find flight deals from Harlingen to Colorado

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$166 (Southwest)
One-way from	$155 (American Airlines)
Popular in	June
Cheapest in	September
Average price	$378

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

Search Deals

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

Search Deals

From Harlingen Valley Intl to Colorado

Search Deals

One-way flight from Harlingen Valley Intl to Colorado

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 2/26

8:10 pm-11:55 pm

1 stop4h 45m

Denver Intl

Sun 3/1

6:00 am-11:30 am

1 stop4h 30m

$172

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 1/9

12:15 pm-7:35 pm

2 stops8h 20m

Denver Intl

Mon 1/12

4:35 pm-9:50 pm

1 stop4h 15m

$178

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Fri 1/9

10:50 am-7:20 pm

1 stop9h 30m

Colorado Springs

Tue 1/13

7:20 am-6:00 pm

1 stop9h 40m

$218

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Fri 1/9

5:25 pm-9:58 pm

1 stop5h 33m

Colorado Springs

Tue 1/13

10:33 am-9:59 pm

2 stops10h 26m

$222

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 4/18

5:50 am-11:15 am

1 stop6h 25m

Denver Intl

Wed 4/22

6:52 pm-11:59 pm

1 stop4h 07m

$259

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 1/6

11:06 am-5:41 pm

1 stop7h 35m

Colorado Springs

Thu 1/8

3:17 pm-11:21 pm

1 stop7h 04m

$267

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 1/27

5:25 pm-9:58 pm

1 stop5h 33m

Colorado Springs

Wed 1/28

12:09 pm-8:01 pm

1 stop6h 52m

$287

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Sat 1/24

5:25 pm-9:58 pm

1 stop5h 33m

Colorado Springs

Wed 1/28

12:09 pm-8:01 pm

1 stop6h 52m

$287

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 1/24

12:10 pm-4:21 pm

1 stop5h 11m

Denver Intl

Tue 1/27

1:30 pm-9:59 pm

1 stop7h 29m

$317

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Wed 12/17

10:11 am-3:45 pm

1 stop6h 34m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 22 results

Best time to book a flight from Harlingen to Colorado

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

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

Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Colorado (average of $169). Flying from Harlingen, Texas to Colorado in March is currently the most expensive (average of $258). 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 CO?

One of the essential ways to save on airfare from Harlingen, Texas to Colorado is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 53% on airfare.

Reviews of airlines servicing Colorado

Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Harlingen to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,250 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,064 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,047 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly from for flights from Harlingen to Colorado?
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 Colorado.
How long is the flight from Harlingen, Texas to Colorado?
For as low as $172, Southwest can have you in Colorado from Harlingen, Texas in 4h 45m. There are 1024 mi between Harlingen, Texas and Colorado. This flight may include one or multiple stops.
Can I find deals for flights from Harlingen to Colorado that include hotel bookings?
Yes. In addition to deals on Harlingen to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Harlingen to Colorado?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Colorado.
Can I find deals for business class flights from Harlingen to Colorado?
Yes. Cheapflights offers flight deals from Harlingen to Colorado 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 Colorado?
Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Colorado (average of $169). Flying from Harlingen, Texas to Colorado in March is currently the most expensive (average of $258). 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

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Complete your trip

Colorado car rentals

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Top 3 airlines flying from Harlingen to Colorado

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$196	Average$302	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$199	Average$363	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$302	Average$436	FlexibilityNo cancel fee	On-time69%

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$155+ Cheap flights from Harlingen, TX (HRL) to Colorado

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harlingen to Colorado with Cheapflights

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Cheap flight deals from Harlingen to Colorado

Cheapest flights from Harlingen to ColoradoExplore the most affordable flight options available from Harlingen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Explore the most affordable flight options available from Harlingen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Find flight deals from Harlingen to Colorado

Keep the following information in mind while searching for Harlingen to Colorado flight deals. Data was last updated December 5, 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 Harlingen to Colorado that are best for you.

Best time to book a flight from Harlingen to Colorado

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Harlingen to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2025.

Reviews of airlines servicing Colorado

Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Harlingen to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

How can I find direct flights from Harlingen to Colorado?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harlingen to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Harlingen to Colorado

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Cheapest flights from Harlingen to Colorado
Explore the most affordable flight options available from Harlingen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.