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

United Airlines is the most popular carrier operating from Harlingen Valley Intl to Colorado

What airlines fly to Colorado?

American Airlines, United Airlines and Southwest 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 74% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 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 August 2025.

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.

$200 Cheap Flights from Harlingen to Colorado in 2025

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Find the cheapest flights from Harlingen, Texas to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

6:35 pm - 10:08 pmHRL-COS

4h 33m1 stop

5:16 pm - 10:57 pmCOS-HRL

4h 41m1 stop

$217American Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

6:30 pm - 10:15 pmHRL-DEN

4h 45m1 stop

10:31 am - 6:05 pmDEN-HRL

6h 34m1 stop

$223American Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

8:05 pm - 12:10 amHRL-DEN

5h 05m1 stop

1:05 pm - 9:55 pmDEN-HRL

7h 50m2 stops

$228Southwest

Find Deal

Fri, Nov 7 - Tue, Nov 11

8:15 pm - 11:55 pmHRL-DEN

4h 40m1 stop

5:40 pm - 11:30 pmDEN-HRL

4h 50m1 stop

$229Southwest

Find Deal

Sun, Oct 19 - Fri, Oct 24

5:45 am - 12:15 pmHRL-DEN

7h 30m2 stops

1:05 pm - 9:55 pmDEN-HRL

7h 50m2 stops

$233Southwest

Find Deal

Fri, Nov 7 - Tue, Nov 11

6:30 pm - 10:15 pmHRL-DEN

4h 45m1 stop

5:06 pm - 10:57 pmDEN-HRL

4h 51m1 stop

$251American Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

5:45 am - 11:51 amHRL-DEN

7h 06m1 stop

7:20 am - 2:19 pmDEN-HRL

5h 59m1 stop

$259American Airlines

Find Deal

Thu, Sep 4 - Sat, Sep 6

5:20 pm - 11:30 pmHRL-DEN

7h 10m1 stop

8:15 am - 7:41 pmDEN-HRL

10h 26m2 stops

$381United Airlines

Find Deal

Wed, Sep 24 - Mon, Sep 29

5:20 pm - 10:00 pmHRL-DEN

5h 40m1 stop

8:15 am - 7:41 pmDEN-HRL

10h 26m2 stops

$387United Airlines

Find Deal

Wed, Sep 24 - Mon, Sep 29

5:20 pm - 10:00 pmHRL-DEN

5h 40m1 stop

10:10 am - 9:52 pmDEN-HRL

10h 42m2 stops

$431United Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

United Airlines flights from Harlingen, Texas to Colorado

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

United Airlines

Sep 24

HRL5:20 pmHarlingen Valley Intl

7h 10m

1 stop

DEN11:30 pmDenver Intl

Sep 29

DEN8:15 amDenver Intl

10h 26m

2 stops

HRL7:41 pmHarlingen Valley Intl

$381

Find similar

United Airlines

Sep 24

HRL5:20 pmHarlingen Valley Intl

5h 40m

1 stop

DEN10:00 pmDenver Intl

Sep 29

DEN8:15 amDenver Intl

10h 26m

2 stops

HRL7:41 pmHarlingen Valley Intl

$387

Find similar

United Airlines

Aug 30

HRL5:20 pmHarlingen Valley Intl

5h 40m

1 stop

DEN10:00 pmDenver Intl

Sep 3

DEN10:10 amDenver Intl

10h 42m

2 stops

HRL9:52 pmHarlingen Valley Intl

$431

Find similar

American Airlines flights from Harlingen, Texas to Colorado

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

American Airlines

Sep 9

HRL6:35 pmHarlingen Valley Intl

4h 33m

1 stop

COS10:08 pmColorado Springs

Sep 16

COS5:16 pmColorado Springs

4h 41m

1 stop

HRL10:57 pmHarlingen Valley Intl

$217

Find similar

American Airlines

Aug 30

HRL6:30 pmHarlingen Valley Intl

4h 45m

1 stop

DEN10:15 pmDenver Intl

Sep 3

DEN10:31 amDenver Intl

6h 34m

1 stop

HRL6:05 pmHarlingen Valley Intl

$223

Find similar

American Airlines

Aug 30

HRL6:30 pmHarlingen Valley Intl

4h 45m

1 stop

DEN10:15 pmDenver Intl

Sep 3

DEN5:06 pmDenver Intl

4h 51m

1 stop

HRL10:57 pmHarlingen Valley Intl

$251

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen, Texas to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

Tue 9/9

6:35 pm-10:08 pm

1 stop4h 33m

Colorado Springs

Tue 9/16

5:16 pm-10:57 pm

1 stop4h 41m

$217

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 8/30

6:30 pm-10:15 pm

1 stop4h 45m

Denver Intl

Wed 9/3

10:31 am-6:05 pm

1 stop6h 34m

$223

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 11/7

8:05 pm-12:10 am

1 stop5h 05m

Denver Intl

Tue 11/11

1:05 pm-9:55 pm

2 stops7h 50m

$228

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sun 10/19

8:15 pm-11:55 pm

1 stop4h 40m

Denver Intl

Fri 10/24

5:40 pm-11:30 pm

1 stop4h 50m

$229

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Fri 11/7

5:45 am-12:15 pm

2 stops7h 30m

Denver Intl

Tue 11/11

1:05 pm-9:55 pm

2 stops7h 50m

$233

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 8/30

6:30 pm-10:15 pm

1 stop4h 45m

Denver Intl

Wed 9/3

5:06 pm-10:57 pm

1 stop4h 51m

$251

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Thu 9/4

5:45 am-11:51 am

1 stop7h 06m

Denver Intl

Sat 9/6

7:20 am-2:19 pm

1 stop5h 59m

$259

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Wed 9/24

5:20 pm-11:30 pm

1 stop7h 10m

Denver Intl

Mon 9/29

8:15 am-7:41 pm

2 stops10h 26m

$381

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Wed 9/24

5:20 pm-10:00 pm

1 stop5h 40m

Denver Intl

Mon 9/29

8:15 am-7:41 pm

2 stops10h 26m

$387

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

Sat 8/30

5:20 pm-10:00 pm

1 stop5h 40m

Denver Intl

Wed 9/3

10:10 am-9:52 pm

2 stops10h 42m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $248. The month of October is another great option to travel to Colorado, with average flight prices from Harlingen, Texas averaging around $252.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Harlingen, Texas to Colorado is on a Wednesday when prices can be found for as low as $258. On the other hand, Sunday is the most expensive day to depart from Harlingen, Texas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $485.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $308. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $343 per ticket.

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 are 1 cabin classes 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 25% 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

Direct flights	None

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

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 August 2025.
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 4,246 reviews		Search Southwest flights
American Airlines	PriceFrom $199	Free Cancellation	Rating 7.2 10,000 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.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Colorado

Popular cities in Colorado

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Flights to Seattlefrom $75

Cheap flights from Harlingen, Texas to Colorado from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Colorado departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Harlingen, Texas to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Harlingen, Texas to Colorado

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

American Airlines flights from Harlingen, Texas to Colorado

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

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen, Texas to Colorado that are best for you.

See travel insights to Colorado from

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

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 $248. The month of October is another great option to travel to Colorado, with average flight prices from Harlingen, Texas averaging around $252.

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $308. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $343 per ticket.

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 are 1 cabin classes 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 25% on your flight if you consider stops on a Harlingen, Texas to Colorado flight.

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

United Airlines is the most popular carrier operating from Harlingen Valley Intl to Colorado

What airlines fly to Colorado?

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

Direct flights

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

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

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

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

What is the most popular plane model from Harlingen, Texas to Colorado?

Best airlines flying from Harlingen, Texas to Colorado

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

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo