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$145+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DEN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Harlingen to Colorado

Keep the following information in mind while searching for Harlingen to Colorado flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(Southwest)

One-way from

$145
(American Airlines)

Popular in

March

Cheapest in

April

Average price

$237
Provider with most accurate pricing for Harlingen Valley Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Denver Intl flights.
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From Harlingen Valley Intl to Colorado
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One-way flight from Harlingen Valley Intl to Colorado
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 17, 2025.

This Southwest deal was found by Cheapflights users on 4/17. 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 5/174:25 pmHRL - DEN
1 stop7h 10mSouthwest
Tue 6/31:10 pmDEN - HRL
1 stop6h 25mSouthwest
Deal found 4/17$233
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 5/257:56 pmHRL - DEN
1 stop5h 03mAmerican Airlines
Wed 5/288:00 amDEN - HRL
1 stop6h 57mAmerican Airlines
Deal found 4/17$293
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/295:20 pmHRL - DEN
1 stop7h 18mUnited Airlines
Sat 7/57:45 amDEN - HRL
1 stop4h 35mUnited Airlines
Deal found 4/17$327
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 7/55:10 amHRL - COS
2 stops10h 21mUnited Airlines
Thu 7/107:42 amCOS - HRL
1 stop4h 38mUnited Airlines
Deal found 4/17$331
This Southwest deal was found by Cheapflights users on 4/17. 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 7/55:30 amHRL - COS
1 stop4h 20mSouthwest
Thu 7/1010:15 amCOS - HRL
1 stop5h 15mSouthwest
Deal found 4/17$359

Cheapflights Fare Finder

Customize your flight search to find flights from Harlingen to Colorado 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 April 17, 2025.
Use the filters below to find and compare flights from Harlingen to Colorado that are best for you.

Fly from

Harlingen

Fly to

Colorado

Route

Depart

Return

Price

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 5/17

4:25 pm-10:35 pm

1 stop7h 10m

Denver Intl

Tue 6/3

1:10 pm-8:35 pm

1 stop6h 25m

$233

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sun 5/25

7:56 pm-11:59 pm

1 stop5h 03m

Denver Intl

Wed 5/28

8:00 am-3:57 pm

1 stop6h 57m

$293

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sun 6/29

5:20 pm-11:38 pm

1 stop7h 18m

Denver Intl

Sat 7/5

7:45 am-1:20 pm

1 stop4h 35m

$327

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Sat 7/5

5:10 am-2:31 pm

2 stops10h 21m

Colorado Springs

Thu 7/10

7:42 am-1:20 pm

1 stop4h 38m

$331

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Sat 7/5

5:30 am-8:50 am

1 stop4h 20m

Colorado Springs

Thu 7/10

10:15 am-4:30 pm

1 stop5h 15m

$359

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Mon 5/5

7:56 pm-11:45 pm

1 stop4h 49m

$145

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Tue 5/6

2:41 pm-8:16 pm

1 stop6h 35m

$145

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Mon 5/5

2:45 pm-9:35 pm

2 stops7h 50m

$169

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Tue 5/6

12:16 pm-6:35 am

2 stops19h 19m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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, October is the cheapest month in which you can book a flight from Harlingen, Texas to Colorado (average of $197). Flying from Harlingen, Texas to Colorado in March is currently the most expensive (average of $278). 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?

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 April 17, 2025.

When flying from Harlingen, Texas to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

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.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 17, 2025.
To help decide which airline to fly from Harlingen to Colorado, see what other customers have to say about Southwest, Delta and United Airlines. 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
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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 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?

    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.

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

    One-way options have recently been found by users for as low as $145 on American Airlines. Other airlines that offer cheap prices include Delta from $145 and Southwest from $169 one-way.

  • 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, October is the cheapest month in which you can book a flight from Harlingen, Texas to Colorado (average of $197). Flying from Harlingen, Texas to Colorado in March is currently the most expensive (average of $278). 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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Alternative routes for Harlingen to Colorado

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Top 3 airlines flying from Harlingen to Colorado

Discover the top 3 airlines that operate flights from Harlingen to Colorado. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$199Average$307FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$423FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$248Average$461FlexibilityNo cancel feeOn-time69%

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