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Harlingen

$103+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HRL
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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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 March 13, 2026.

This Southwest deal was found by Cheapflights users on 3/9. 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 4/173:00 pm
DEN
-
HRL
1 stop7h 00m
Southwest
Tue 4/216:20 am
HRL
-
DEN
1 stop5h 05m
Southwest
Deal found 3/9$217
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/283:35 pm
DEN
-
HRL
1 stop5h 21m
United Airlines
Wed 4/15:18 pm
HRL
-
DEN
1 stop7h 40m
United Airlines
Deal found 3/9$223
This Southwest deal was found by Cheapflights users on 3/11. 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 3/284:25 pm
DEN
-
HRL
1 stop6h 30m
Southwest
Wed 4/16:20 pm
HRL
-
DEN
2 stops5h 35m
Southwest
Deal found 3/11$236
This Southwest deal was found by Cheapflights users on 3/11. 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 5/293:00 pm
DEN
-
HRL
1 stop7h 00m
Southwest
Sun 5/316:35 pm
HRL
-
DEN
1 stop6h 45m
Southwest
Deal found 3/11$237
This Southwest deal was found by Cheapflights users on 3/12. 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 4/98:00 am
DEN
-
HRL
1 stop7h 15m
Southwest
Thu 4/165:00 pm
HRL
-
DEN
1 stop5h 30m
Southwest
Deal found 3/12$239
This United Airlines deal was found by Cheapflights users on 3/10. 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 8/257:30 am
COS
-
HRL
1 stop4h 44m
United Airlines
Wed 8/265:15 am
HRL
-
COS
2 stops9h 01m
United Airlines
Deal found 3/10$242
This Southwest deal was found by Cheapflights users on 3/10. 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 3/264:00 pm
DEN
-
HRL
1 stop7h 05m
Southwest
Mon 3/305:30 pm
HRL
-
DEN
1 stop6h 35m
Southwest
Deal found 3/10$245
This American Airlines deal was found by Cheapflights users on 3/10. 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 8/255:07 pm
COS
-
HRL
1 stop5h 48m
American Airlines
Wed 8/265:25 am
HRL
-
COS
1 stop5h 36m
American Airlines
Deal found 3/10$267
This Southwest deal was found by Cheapflights users on 3/11. 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 5/154:05 pm
COS
-
HRL
2 stops5h 55m
Southwest
Sun 5/172:35 pm
HRL
-
COS
2 stops8h 25m
Southwest
Deal found 3/11$343

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Southwest)

One-way from

$103
(United Airlines)

Popular in

April

Cheapest in

February

Average price

$379
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. 15% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 13, 2026.
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

Cheapest round-trip

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 6/2

1:10 pm-8:55 pm

1 stop6h 45m

Harlingen Valley Intl

Tue 6/9

2:10 pm-6:45 pm

1 stop5h 35m

$217
Quickest round-trip

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 3/28

10:45 am-2:38 pm

Nonstop2h 53m

Harlingen Valley Intl

Wed 4/1

5:18 pm-10:15 pm

1 stop5h 57m

$226

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 4/17

1:45 pm-11:00 pm

2 stops8h 15m

Harlingen Valley Intl

Tue 4/21

6:20 am-11:55 am

2 stops6h 35m

$227

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 5/29

3:00 pm-11:00 pm

1 stop7h 00m

Harlingen Valley Intl

Sun 5/31

6:35 pm-12:20 am

1 stop6h 45m

$237

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 3/26

4:00 pm-12:05 am

1 stop7h 05m

Harlingen Valley Intl

Mon 3/30

5:30 pm-11:05 pm

1 stop6h 35m

$245

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 5/6

6:45 am-12:10 pm

1 stop4h 25m

Harlingen Valley Intl

Sun 5/10

6:35 pm-12:20 am

1 stop6h 45m

$247

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Tue 8/25

7:30 am-3:34 pm

1 stop7h 04m

Harlingen Valley Intl

Wed 8/26

2:00 pm-11:49 pm

2 stops10h 49m

$312

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Fri 5/15

4:05 pm-11:00 pm

2 stops5h 55m

Harlingen Valley Intl

Sun 5/17

2:35 pm-10:00 pm

2 stops8h 25m

$343

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Wed 3/25

1:30 pm-9:25 pm

2 stops6h 55m

Harlingen Valley Intl

Sun 3/29

12:50 pm-9:50 pm

2 stops10h 00m

$434

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Mon 3/23

4:45 pm-12:05 am

2 stops6h 20m

Harlingen Valley Intl

Fri 3/27

6:00 am-4:05 pm

1 stop11h 05m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 29 resultsSorted by cheapest first
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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 $290). 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

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.

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

    Airlines like Southwest and United Airlines fly from Colorado to Harlingen, Texas in about 2h 53m. The time it takes to get you to your destination can typically vary by up to 3h 52m. 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 $193 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 $290). 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 Colorado to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Colorado to Harlingen

Discover the top 2 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$338FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$251Average$370FlexibilityNo cancel feeOn-time71%

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