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

Southwest, Delta, and American Airlines 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 69% 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 October 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.

$130 Cheap Flights from Harlingen to Colorado in 2025/26

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Find the cheapest flights from Harlingen, Texas to Colorado

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 5:10 pmHRL-DEN

4h 50m1 stop

9:25 am - 5:05 pmDEN-HRL

6h 40m1 stop

$200Southwest

Find Deal

jue., nov. 27 - mié., dic. 3

5:50 am - 1:10 pmHRL-DEN

8h 20m2 stops

12:10 pm - 6:00 pmDEN-HRL

4h 50m1 stop

$205Southwest

Find Deal

jue., nov. 27 - mié., dic. 3

5:40 am - 9:53 amHRL-COS

5h 13m1 stop

12:45 pm - 6:10 pmCOS-HRL

4h 25m1 stop

$207American Airlines

Find Deal

mié., nov. 12 - mié., nov. 19

3:39 pm - 11:14 pmHRL-DEN

8h 35m1 stop

5:45 am - 2:43 pmDEN-HRL

7h 58m1 stop

$217Delta

Find Deal

jue., nov. 13 - jue., nov. 20

3:39 pm - 11:04 pmHRL-DEN

8h 25m1 stop

6:05 am - 2:43 pmDEN-HRL

7h 38m1 stop

$248Delta

Find Deal

mar., oct. 28 - mar., nov. 4

5:00 pm - 11:59 pmHRL-COS

7h 59m2 stops

12:54 pm - 9:54 pmCOS-HRL

8h 00m2 stops

$265United Airlines

Find Deal

mié., nov. 12 - mié., nov. 19

5:23 am - 9:47 amHRL-COS

5h 24m1 stop

5:17 pm - 11:14 pmCOS-HRL

4h 57m1 stop

$279American Airlines

Find Deal

jue., oct. 30 - lun., nov. 3

12:22 pm - 11:22 amHRL-DEN

24h 00m1 stop

8:30 pm - 10:31 amDEN-HRL

13h 01m1 stop

$303Multiple Airlines

Find Deal

mié., nov. 26 - vie., nov. 28

11:35 am - 7:09 amHRL-DEN

20h 34m1 stop

8:56 pm - 10:36 amDEN-HRL

12h 40m1 stop

$341Multiple Airlines

Find Deal

dom., oct. 26 - mié., oct. 29

5:00 pm - 11:59 pmHRL-COS

7h 59m2 stops

7:30 am - 3:59 pmCOS-HRL

7h 29m1 stop

$344United Airlines

Find Deal

mié., nov. 12 - mié., nov. 19

Delta flights from Harlingen, Texas to Colorado

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

Delta

Nov 13

HRL3:39 pmHarlingen Valley Intl

8h 35m

1 stop

DEN11:14 pmDenver Intl

Nov 20

DEN5:45 amDenver Intl

7h 58m

1 stop

HRL2:43 pmHarlingen Valley Intl

$217

Find similar

Delta

Oct 28

HRL3:39 pmHarlingen Valley Intl

8h 25m

1 stop

DEN11:04 pmDenver Intl

Nov 4

DEN6:05 amDenver Intl

7h 38m

1 stop

HRL2:43 pmHarlingen Valley Intl

$248

Find similar

Delta

Apr 7

HRL3:00 pmHarlingen Valley Intl

8h 36m

1 stop

DEN10:36 pmDenver Intl

Apr 8

DEN6:10 amDenver Intl

7h 19m

1 stop

HRL2:29 pmHarlingen Valley Intl

$259

Find similar

United Airlines flights from Harlingen, Texas to Colorado

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

United Airlines

Nov 12

HRL5:00 pmHarlingen Valley Intl

7h 59m

2 stops

COS11:59 pmColorado Springs

Nov 19

COS12:54 pmColorado Springs

8h 00m

2 stops

HRL9:54 pmHarlingen Valley Intl

$265

Find similar

United Airlines

Nov 12

HRL5:00 pmHarlingen Valley Intl

7h 59m

2 stops

COS11:59 pmColorado Springs

Nov 19

COS7:30 amColorado Springs

7h 29m

1 stop

HRL3:59 pmHarlingen Valley Intl

$344

Find similar

United Airlines

Nov 9

HRL5:00 amHarlingen Valley Intl

4h 59m

1 stop

DEN8:59 amDenver Intl

Nov 10

DEN1:25 pmDenver Intl

5h 14m

1 stop

HRL7:39 pmHarlingen Valley Intl

$348

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

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/27

1:20 pm-5:10 pm

1 stop4h 50m

Denver Intl

mié. 12/3

9:25 am-5:05 pm

1 stop6h 40m

$200

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/27

5:50 am-1:10 pm

2 stops8h 20m

Denver Intl

mié. 12/3

12:10 pm-6:00 pm

1 stop4h 50m

$205

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

mié. 11/12

5:40 am-9:53 am

1 stop5h 13m

Colorado Springs

mié. 11/19

12:45 pm-6:10 pm

1 stop4h 25m

$207

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/13

3:39 pm-11:14 pm

1 stop8h 35m

Denver Intl

jue. 11/20

5:45 am-2:43 pm

1 stop7h 58m

$217

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

mar. 10/28

3:39 pm-11:04 pm

1 stop8h 25m

Denver Intl

mar. 11/4

6:05 am-2:43 pm

1 stop7h 38m

$248

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

mié. 11/12

5:00 pm-11:59 pm

2 stops7h 59m

Colorado Springs

mié. 11/19

12:54 pm-9:54 pm

2 stops8h 00m

$265

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

jue. 10/30

5:23 am-9:47 am

1 stop5h 24m

Colorado Springs

lun. 11/3

5:17 pm-11:14 pm

1 stop4h 57m

$279

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

mié. 11/26

12:22 pm-11:22 am

1 stop24h 00m

Denver Intl

vie. 11/28

8:30 pm-10:31 am

1 stop13h 01m

$303

HarlingenDenver

HRL - DEN

HRLDEN

Harlingen Valley Intl

dom. 10/26

11:35 am-7:09 am

1 stop20h 34m

Denver Intl

mié. 10/29

8:56 pm-10:36 am

1 stop12h 40m

$341

HarlingenColorado Springs

HRL - COS

HRLCOS

Harlingen Valley Intl

mié. 11/12

5:00 pm-11:59 pm

2 stops7h 59m

Colorado Springs

mié. 11/19

7:30 am-3:59 pm

1 stop7h 29m

$344

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 October is another great option to travel to Colorado, with average flight prices from Harlingen, Texas averaging around $256.

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 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 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 3 as of October 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 4,241 reviews	Search Southwest flights
American Airlines	PriceFrom $199	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
United Airlines	PriceFrom $302	Free Cancellation	Rating 7.4 8,982 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.

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.

Start using Trips

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sáb. 11/15

sáb. 11/22

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Find better results for your trip to Colorado

Popular cities in Colorado

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Harlingen, Texas flight routes

Flights from Harlingen Valley Intl to Minneapolis St Paul

Flights from Harlingen Valley Intl to Austin Bergstrom

Flights from Harlingen Valley Intl to Houston Hobby

Flights from Harlingen Valley Intl to Dallas Love Field

Flights from Harlingen Valley Intl to Houston George Bush Intcntl

Flights from Harlingen Valley Intl to Dallas/Fort Worth

Cheap flights from Harlingen, Texas to Colorado from $130

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 1/11. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Harlingen, Texas to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Harlingen, Texas to Colorado

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

United Airlines flights from Harlingen, Texas to Colorado

Our best United 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 $206. The month of October is another great option to travel to Colorado, with average flight prices from Harlingen, Texas averaging around $256.

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 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 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?

Southwest, Delta, and American Airlines are the most popular carriers 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