What is the cheapest airline that flies from Harlingen Valley Intl to Colorado?

United Airlines and Southwest are the most popular carriers operating from Harlingen Valley Intl to Colorado

What airlines fly to Colorado?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Colorado from Harlingen, Texas according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Colorado?

Prices for flights from Harlingen Valley Intl Airport to Colorado refresh daily.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to Colorado?

The number of operators available for flights from Harlingen Valley Intl Airport to Colorado is 2 as of March 2026.

How old do you have to be to fly from Harlingen Valley Intl Airport to Colorado?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$129 Cheap Flights from Harlingen to Colorado in 2026

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Find the cheapest flights from Harlingen, Texas to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 4:00 pm

HRL

DEN

4h 30m

1 stop

7:40 am - 12:40 pm

DEN

HRL

4h 00m

1 stop

$197Southwest

Thu, Apr 16 - Sun, Apr 19

5:00 pm - 9:30 pm

HRL

DEN

5h 30m

1 stop

6:45 am - 12:10 pm

DEN

HRL

4h 25m

1 stop

$198Southwest

Mon, Apr 13 - Wed, Apr 15

6:00 pm - 11:45 pm

HRL

DEN

6h 45m

2 stops

7:40 am - 12:40 pm

DEN

HRL

4h 00m

1 stop

$202Southwest

Fri, Apr 17 - Sun, Apr 19

6:00 am - 10:00 am

HRL

DEN

5h 00m

1 stop

1:50 pm - 10:00 pm

DEN

HRL

7h 10m

2 stops

$203Southwest

Mon, Apr 13 - Wed, Apr 15

7:00 am - 12:35 pm

HRL

DEN

6h 35m

2 stops

1:05 pm - 9:35 pm

DEN

HRL

7h 30m

2 stops

$207Southwest

Sat, May 9 - Sat, May 16

5:00 pm - 9:30 pm

HRL

DEN

5h 30m

1 stop

3:00 pm - 11:00 pm

DEN

HRL

7h 00m

1 stop

$217Southwest

Thu, Apr 16 - Mon, Apr 20

5:18 pm - 11:57 pm

HRL

DEN

7h 39m

1 stop

3:35 pm - 9:59 pm

DEN

HRL

5h 24m

1 stop

$221United Airlines

Fri, Apr 3 - Tue, Apr 7

6:00 am - 10:00 am

HRL

DEN

5h 00m

1 stop

1:45 pm - 11:00 pm

DEN

HRL

8h 15m

2 stops

$222Southwest

Thu, Apr 16 - Mon, Apr 20

11:10 am - 3:20 pm

HRL

DEN

5h 10m

1 stop

3:00 pm - 12:05 am

DEN

HRL

8h 05m

2 stops

$230Southwest

Tue, Mar 24 - Fri, Mar 27

5:18 pm - 9:31 pm

HRL

COS

5h 13m

1 stop

7:39 am - 4:04 pm

COS

HRL

7h 25m

1 stop

$287United Airlines

Tue, Apr 14 - Sat, Apr 18

Southwest flights from Harlingen, Texas to Colorado

Our best Southwest deals on Harlingen, Texas to Colorado flight tickets

Southwest

Apr 16

HRL12:30 pmHarlingen Valley Intl

4h 30m

1 stop

DEN4:00 pmDenver Intl

Apr 19

DEN7:40 amDenver Intl

4h 00m

1 stop

HRL12:40 pmHarlingen Valley Intl

$197

Southwest

Apr 13

HRL5:00 pmHarlingen Valley Intl

5h 30m

1 stop

DEN9:30 pmDenver Intl

Apr 15

DEN6:45 amDenver Intl

4h 25m

1 stop

HRL12:10 pmHarlingen Valley Intl

$198

Southwest

Apr 17

HRL6:00 pmHarlingen Valley Intl

6h 45m

2 stops

DEN11:45 pmDenver Intl

Apr 19

DEN7:40 amDenver Intl

4h 00m

1 stop

HRL12:40 pmHarlingen Valley Intl

$202

American Airlines flights from Harlingen, Texas to Colorado

Our best American Airlines deals on Harlingen, Texas to Colorado flight tickets

American Airlines

Mar 9

HRL8:06 pmHarlingen Valley Intl

4h 53m

1 stop

COS11:59 pmColorado Springs

Mar 12

COS4:48 pmColorado Springs

5h 05m

1 stop

HRL10:53 pmHarlingen Valley Intl

$267

American Airlines

Mar 14

HRL8:06 pmHarlingen Valley Intl

4h 53m

1 stop

COS11:59 pmColorado Springs

Mar 17

COS5:07 pmColorado Springs

4h 46m

1 stop

HRL10:53 pmHarlingen Valley Intl

$277

American Airlines

Apr 18

HRL8:03 pmHarlingen Valley Intl

4h 42m

1 stop

DEN11:45 pmDenver Intl

Apr 22

DEN7:26 amDenver Intl

5h 51m

1 stop

HRL2:17 pmHarlingen Valley Intl

$294

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 4/16

12:30 pm-4:00 pm

1 stop4h 30m

Denver Intl

Sun 4/19

7:40 am-12:40 pm

1 stop4h 00m

$197

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Mon 4/13

5:00 pm-9:30 pm

1 stop5h 30m

Denver Intl

Wed 4/15

6:45 am-12:10 pm

1 stop4h 25m

$198

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 4/17

6:00 pm-11:45 pm

2 stops6h 45m

Denver Intl

Sun 4/19

7:40 am-12:40 pm

1 stop4h 00m

$202

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Mon 4/13

6:00 am-10:00 am

1 stop5h 00m

Denver Intl

Wed 4/15

1:50 pm-10:00 pm

2 stops7h 10m

$203

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 5/9

7:00 am-12:35 pm

2 stops6h 35m

Denver Intl

Sat 5/16

1:05 pm-9:35 pm

2 stops7h 30m

$207

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 4/16

5:00 pm-9:30 pm

1 stop5h 30m

Denver Intl

Mon 4/20

3:00 pm-11:00 pm

1 stop7h 00m

$217

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 4/3

5:18 pm-11:57 pm

1 stop7h 39m

Denver Intl

Tue 4/7

3:35 pm-9:59 pm

1 stop5h 24m

$221

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 4/16

6:00 am-10:00 am

1 stop5h 00m

Denver Intl

Mon 4/20

1:45 pm-11:00 pm

2 stops8h 15m

$222

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Tue 3/24

11:10 am-3:20 pm

1 stop5h 10m

Denver Intl

Fri 3/27

3:00 pm-12:05 am

2 stops8h 05m

$230

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 4/14

5:18 pm-9:31 pm

1 stop5h 13m

Colorado Springs

Sat 4/18

7:39 am-4:04 pm

1 stop7h 25m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen, Texas to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Harlingen, Texas, with most prices found around $206. The month of April is another great option to travel to Colorado, with average flight prices from Harlingen, Texas averaging around $228.

What is the cheapest Harlingen Valley Intl to Colorado flight route?

Fly from Harlingen Valley Intl to Denver Intl for the best Harlingen Valley Intl - Colorado flight prices

What cabin class options are available on Harlingen Valley Intl to Colorado flights?

There is only 1 cabin class available to choose from on Harlingen Valley Intl to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Harlingen, Texas to Colorado flights?

You could potentially save up to 41% on your flight if you consider stops on a Harlingen, Texas to Colorado flight.

Cheap Harlingen, Texas to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Colorado

Fastest flight time	5h 10m
Direct flights	Sun
Airports in Colorado	87 airports

The fastest flight from Harlingen, Texas to Colorado takes 5h 10m

Direct flights go from Harlingen, Texas to Colorado on Sunday. There are no airlines offering direct flights.

There are 87 airports in Colorado. From Harlingen, Texas there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Colorado?
Prices for flights from Harlingen Valley Intl Airport to Colorado refresh daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Colorado?
The number of operators available for flights from Harlingen Valley Intl Airport to Colorado is 2 as of March 2026.
How old do you have to be to fly from Harlingen Valley Intl Airport to Colorado?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Harlingen, Texas to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Harlingen, Texas to Colorado is Embraer 175 (Enhanced Winglets) (100.00% of total bookings).

Best airlines flying from Harlingen, Texas to Colorado

Compare and see reviews for airlines that fly from Harlingen, Texas to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $196	Free Cancellation	Rating 8.0 4,311 reviews		Search Southwest flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.1 11,399 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Colorado?

Finding the right flight to Colorado from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.

Can I find flights from Harlingen to Colorado with flexible booking policies on momondo?

Flights from Harlingen to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Harlingen to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Harlingen.

I’m not ready to book a flight from Harlingen to Colorado right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Harlingen to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.