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Colorado

$99+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DEN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Southwest deal was found by Cheapflights users on 1/24. 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 2/196:35 am
HRL
-
DEN
1 stop6h 35m
Southwest
Sun 2/226:00 am
DEN
-
HRL
1 stop4h 30m
Southwest
Deal found 1/24$197
This Southwest deal was found by Cheapflights users on 1/25. 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 2/205:45 am
HRL
-
DEN
1 stop7h 25m
Southwest
Sat 2/2110:10 am
DEN
-
HRL
2 stops11h 40m
Southwest
Deal found 1/25$208
This Southwest deal was found by Cheapflights users on 1/26. 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 2/57:10 pm
HRL
-
DEN
1 stop4h 30m
Southwest
Thu 2/194:35 pm
DEN
-
HRL
1 stop4h 40m
Southwest
Deal found 1/26$222
This Southwest deal was found by Cheapflights users on 1/26. 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 2/2812:30 pm
HRL
-
DEN
1 stop6h 55m
Southwest
Sat 3/710:25 am
DEN
-
HRL
1 stop6h 15m
Southwest
Deal found 1/26$227
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 1/266:44 pm
HRL
-
DEN
1 stop4h 50m
American Airlines
Fri 1/307:50 am
DEN
-
HRL
1 stop5h 59m
American Airlines
Deal found 1/26$247
This Southwest deal was found by Cheapflights users on 1/26. 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 2/106:30 am
HRL
-
DEN
1 stop5h 10m
Southwest
Sat 2/142:20 pm
DEN
-
HRL
1 stop6h 10m
Southwest
Deal found 1/26$253
This Southwest deal was found by Cheapflights users on 1/25. 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 2/263:30 pm
HRL
-
DEN
2 stops6h 40m
Southwest
Fri 2/274:05 pm
DEN
-
HRL
1 stop5h 05m
Southwest
Deal found 1/25$256
This Southwest deal was found by Cheapflights users on 1/25. 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.
Wed 4/15:05 pm
HRL
-
DEN
1 stop6h 45m
Southwest
Wed 4/81:10 pm
DEN
-
HRL
1 stop6h 45m
Southwest
Deal found 1/25$257
This Southwest deal was found by Cheapflights users on 1/25. 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 2/1312:05 pm
HRL
-
COS
1 stop7h 15m
Southwest
Mon 2/164:55 pm
COS
-
HRL
2 stops5h 35m
Southwest
Deal found 1/25$379
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/2412:10 pm
HRL
-
COS
1 stop10h 34m
United Airlines
Wed 2/251:40 pm
COS
-
HRL
2 stops7h 19m
United Airlines
Deal found 1/25$486

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Southwest)

One-way from

$99
(Southwest)

Popular in

June

Cheapest in

September

Average price

$325
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. 16% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Fri 2/20

5:45 am-12:10 pm

1 stop7h 25m

Denver Intl

Sat 2/21

5:50 am-11:40 am

1 stop4h 50m

$197

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 2/26

5:45 am-12:10 pm

1 stop7h 25m

Denver Intl

Fri 2/27

4:05 pm-10:10 pm

1 stop5h 05m

$197

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 2/19

6:35 am-12:10 pm

1 stop6h 35m

Denver Intl

Sun 2/22

6:00 am-11:30 am

1 stop4h 30m

$197

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 2/19

6:35 am-12:10 pm

1 stop6h 35m

Denver Intl

Fri 2/20

1:05 pm-7:15 pm

1 stop5h 10m

$197

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 2/28

12:30 pm-6:25 pm

1 stop6h 55m

Denver Intl

Sat 3/7

10:25 am-5:40 pm

1 stop6h 15m

$227

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Tue 2/10

6:30 am-10:40 am

1 stop5h 10m

Denver Intl

Sat 2/14

2:20 pm-9:30 pm

1 stop6h 10m

$253

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 4/18

7:00 am-11:43 am

1 stop5h 43m

Denver Intl

Wed 4/22

7:45 am-4:04 pm

1 stop7h 19m

$257

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 2/14

12:30 pm-6:25 pm

1 stop6h 55m

Denver Intl

Wed 2/18

8:45 am-5:05 pm

2 stops7h 20m

$258

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Fri 2/13

9:45 am-4:15 pm

2 stops7h 30m

Colorado Springs

Mon 2/16

4:55 pm-11:30 pm

2 stops5h 35m

$440

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 2/24

12:10 pm-9:44 pm

1 stop10h 34m

Colorado Springs

Wed 2/25

1:40 pm-9:59 pm

2 stops7h 19m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
1
2

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 $172). 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.

How much does it cost to fly round-trip from Harlingen, Texas to Colorado?

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 January 27, 2026.
Get a feel of what it's like to fly with Southwest 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
4,268 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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

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.

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

    For as low as $197, Southwest can have you in Colorado from Harlingen, Texas in 7h 25m. 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, October is the cheapest month in which you can book a flight from Harlingen, Texas to Colorado (average of $172). 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

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Alternative routes for Harlingen to Colorado

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Top 2 airlines flying from Harlingen to Colorado

Discover the top 2 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$327FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$360FlexibilityNo cancel feeOn-time71%

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