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

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

How many flights depart from Harlingen to Colorado on average per week?

3 flights are operational weekly from Harlingen to Colorado as of July 2026. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

What airlines fly to Colorado?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Colorado from Harlingen according to our data. American Airlines is the first choice among our users, with 50% 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 3 as of July 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.

$105 Cheap Flights from Harlingen to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:35 pm - 4:35 pm

HRL

COS

5h 00m

1 stop

10:45 am - 3:50 pm

COS

HRL

4h 05m

1 stop

$199Southwest

Tue, Aug 18 - Tue, Aug 25

12:35 pm - 4:35 pm

HRL

COS

5h 00m

1 stop

7:20 am - 4:45 pm

COS

HRL

8h 25m

2 stops

$204Southwest

Tue, Aug 18 - Tue, Aug 25

3:25 pm - 9:45 pm

HRL

COS

7h 20m

2 stops

6:15 am - 3:50 pm

COS

HRL

8h 35m

2 stops

$209Southwest

Tue, Aug 18 - Tue, Aug 25

5:55 pm - 10:20 pm

HRL

DEN

5h 25m

1 stop

7:50 am - 2:55 pm

DEN

HRL

6h 05m

1 stop

$209Southwest

Fri, Aug 21 - Sat, Aug 29

6:43 pm - 10:15 pm

HRL

DEN

4h 32m

1 stop

12:39 pm - 7:33 pm

DEN

HRL

5h 54m

1 stop

$229American Airlines

Sat, Aug 22 - Thu, Aug 27

6:43 pm - 10:15 pm

HRL

DEN

4h 32m

1 stop

10:43 am - 4:27 pm

DEN

HRL

4h 44m

1 stop

$249American Airlines

Sat, Aug 22 - Thu, Aug 27

6:43 pm - 10:53 pm

HRL

COS

5h 10m

1 stop

3:51 pm - 10:54 pm

COS

HRL

6h 03m

1 stop

$293American Airlines

Mon, Aug 10 - Sat, Aug 15

5:18 pm - 9:22 pm

HRL

COS

5h 04m

1 stop

1:15 pm - 10:51 pm

COS

HRL

8h 36m

2 stops

$338United Airlines

Tue, Nov 3 - Wed, Nov 4

5:18 pm - 9:22 pm

HRL

COS

5h 04m

1 stop

10:27 am - 10:51 pm

COS

HRL

11h 24m

2 stops

$342United Airlines

Tue, Nov 3 - Wed, Nov 4

5:05 am - 4:24 pm

HRL

COS

12h 19m

2 stops

1:15 pm - 10:51 pm

COS

HRL

8h 36m

2 stops

$343United Airlines

Tue, Nov 3 - Wed, Nov 4

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American Airlines flights from Harlingen to Colorado

Our best American Airlines deals on Harlingen to Colorado flight tickets

American Airlines

Aug 22

HRL6:43 pmHarlingen Valley Intl

4h 32m

1 stop

DEN10:15 pmDenver Intl

Aug 27

DEN3:15 pmDenver Intl

6h 39m

1 stop

HRL10:54 pmHarlingen Valley Intl

$239

American Airlines

Aug 22

HRL6:43 pmHarlingen Valley Intl

4h 32m

1 stop

DEN10:15 pmDenver Intl

Aug 27

DEN10:43 amDenver Intl

4h 44m

1 stop

HRL4:27 pmHarlingen Valley Intl

$249

American Airlines

Aug 22

HRL6:43 pmHarlingen Valley Intl

4h 32m

1 stop

DEN10:15 pmDenver Intl

Aug 27

DEN3:15 pmDenver Intl

6h 39m

1 stop

HRL10:54 pmHarlingen Valley Intl

$268

United Airlines flights from Harlingen to Colorado

Our best United Airlines deals on Harlingen to Colorado flight tickets

United Airlines

Aug 25

HRL5:18 pmHarlingen Valley Intl

5h 50m

1 stop

DEN10:08 pmDenver Intl

Aug 29

DEN7:40 amDenver Intl

7h 19m

1 stop

HRL3:59 pmHarlingen Valley Intl

$299

United Airlines

Aug 25

HRL5:18 pmHarlingen Valley Intl

5h 50m

1 stop

DEN10:08 pmDenver Intl

Aug 29

DEN7:40 amDenver Intl

7h 19m

1 stop

HRL3:59 pmHarlingen Valley Intl

$307

United Airlines

Aug 25

HRL5:18 pmHarlingen Valley Intl

5h 50m

1 stop

DEN10:08 pmDenver Intl

Aug 29

DEN7:40 amDenver Intl

7h 19m

1 stop

HRL3:59 pmHarlingen Valley Intl

$327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 8/18

12:35 pm-4:35 pm

1 stop5h 00m

Colorado Springs

Tue 8/25

10:45 am-3:50 pm

1 stop4h 05m

$199

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 8/18

12:35 pm-4:35 pm

1 stop5h 00m

Colorado Springs

Tue 8/25

7:20 am-4:45 pm

2 stops8h 25m

$204

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 8/18

3:25 pm-9:45 pm

2 stops7h 20m

Colorado Springs

Tue 8/25

6:15 am-3:50 pm

2 stops8h 35m

$209

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 8/21

5:55 pm-10:20 pm

1 stop5h 25m

Denver Intl

Sat 8/29

7:50 am-2:55 pm

1 stop6h 05m

$209

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 8/22

6:43 pm-10:15 pm

1 stop4h 32m

Denver Intl

Thu 8/27

12:39 pm-7:33 pm

1 stop5h 54m

$229

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 8/22

6:43 pm-10:15 pm

1 stop4h 32m

Denver Intl

Thu 8/27

10:43 am-4:27 pm

1 stop4h 44m

$249

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Mon 8/10

6:43 pm-10:53 pm

1 stop5h 10m

Colorado Springs

Sat 8/15

3:51 pm-10:54 pm

1 stop6h 03m

$293

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 11/3

5:18 pm-9:22 pm

1 stop5h 04m

Colorado Springs

Wed 11/4

1:15 pm-10:51 pm

2 stops8h 36m

$338

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 11/3

5:18 pm-9:22 pm

1 stop5h 04m

Colorado Springs

Wed 11/4

10:27 am-10:51 pm

2 stops11h 24m

$342

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 11/3

5:05 am-4:24 pm

2 stops12h 19m

Colorado Springs

Wed 11/4

1:15 pm-10:51 pm

2 stops8h 36m

$343

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 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

Other information

What is the cheapest month to fly to Colorado?

The month of August is, on average, the cheapest month to fly to Colorado from Harlingen, with most prices found around $207. The month of September is another great option to travel to Colorado, with average flight prices from Harlingen averaging around $219.

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 to Colorado flights?

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

Cheap Harlingen to Colorado flight deals and tips

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

Fastest flight time	4h 50m
Direct flights	None

The fastest flight from Harlingen to Colorado takes 4h 50m

There are no direct flights from Harlingen to Colorado. There are no popular flight routes from Harlingen to Colorado.

Search flight deals

Frequently asked questions about flying from Harlingen to Colorado

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 3 as of July 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 to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Harlingen to Colorado is Embraer 175 (Enhanced Winglets) (100.00% of total bookings).

Best airlines flying from Harlingen to Colorado

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $196	Free Cancellation	Rating 8.0 4,236 reviews	Search Southwest flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.1 11,843 reviews	Search American Airlines flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 10,028 reviews	Search United 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.