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Cheap flights from Colorado to Harlingen from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Harlingen departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Colorado to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:25 am - 5:45 pm
DEN
-
HRL
6h 20m
1 stop
Southwest Logo
10:45 am - 2:40 pm
HRL
-
DEN
4h 55m
1 stop
$197Southwest
Wed, Apr 1 - Tue, Apr 7
Southwest Logo
10:25 am - 5:45 pm
DEN
-
HRL
6h 20m
1 stop
Southwest Logo
12:50 pm - 7:30 pm
HRL
-
DEN
7h 40m
2 stops
$202Southwest
Wed, Apr 1 - Tue, Apr 7
Southwest Logo
12:50 pm - 9:25 pm
DEN
-
HRL
7h 35m
2 stops
Southwest Logo
12:50 pm - 7:30 pm
HRL
-
DEN
7h 40m
2 stops
$207Southwest
Wed, Apr 1 - Tue, Apr 7
American Airlines Logo
10:20 am - 6:16 pm
DEN
-
HRL
6h 56m
1 stop
American Airlines Logo
8:06 pm - 11:54 pm
HRL
-
DEN
4h 48m
1 stop
$241American Airlines
Mon, Feb 23 - Fri, Feb 27
United Airlines Logo
3:35 pm - 9:59 pm
DEN
-
HRL
5h 24m
1 stop
United Airlines Logo
5:18 pm - 11:58 pm
HRL
-
DEN
7h 40m
1 stop
$248United Airlines
Tue, Apr 21 - Fri, May 8
Southwest Logo
5:35 am - 12:05 pm
DEN
-
HRL
5h 30m
1 stop
Southwest Logo
5:05 pm - 10:50 pm
HRL
-
DEN
6h 45m
1 stop
$252Southwest
Wed, Mar 11 - Tue, Mar 17
Southwest Logo
4:05 pm - 10:40 pm
DEN
-
HRL
5h 35m
1 stop
Southwest Logo
6:20 pm - 10:55 pm
HRL
-
DEN
5h 35m
2 stops
$257Southwest
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
4:51 pm - 11:03 pm
COS
-
HRL
5h 12m
1 stop
American Airlines Logo
6:46 pm - 10:10 pm
HRL
-
COS
4h 24m
1 stop
$263American Airlines
Sat, Feb 28 - Wed, Mar 4
Southwest Logo
4:35 pm - 10:15 pm
DEN
-
HRL
4h 40m
1 stop
Southwest Logo
8:05 pm - 11:55 pm
HRL
-
DEN
4h 50m
1 stop
$287Southwest
Tue, Feb 17 - Thu, Feb 26
American Airlines Logo
1:39 pm - 7:36 pm
COS
-
HRL
4h 57m
1 stop
American Airlines Logo
6:46 pm - 10:10 pm
HRL
-
COS
4h 24m
1 stop
$294American Airlines
Fri, Feb 27 - Wed, Mar 4

American Airlines flights from Colorado to Harlingen, Texas

Our best American Airlines deals on Colorado to Harlingen, Texas flight tickets
American Airlines
Feb 23
DEN10:20 amDenver Intl
6h 56m
1 stop
HRL6:16 pmHarlingen Valley Intl
Feb 27
HRL8:06 pmHarlingen Valley Intl
4h 48m
1 stop
DEN11:54 pmDenver Intl
$241
American Airlines
Feb 28
COS4:51 pmColorado Springs
5h 12m
1 stop
HRL11:03 pmHarlingen Valley Intl
Mar 4
HRL6:46 pmHarlingen Valley Intl
4h 24m
1 stop
COS10:10 pmColorado Springs
$263
American Airlines
Feb 27
COS1:39 pmColorado Springs
4h 57m
1 stop
HRL7:36 pmHarlingen Valley Intl
Mar 4
HRL6:46 pmHarlingen Valley Intl
4h 24m
1 stop
COS10:10 pmColorado Springs
$294

Delta flights from Colorado to Harlingen, Texas

Our best Delta deals on Colorado to Harlingen, Texas flight tickets
Delta
Apr 23
DEN6:30 amDenver Intl
7h 35m
1 stop
HRL3:05 pmHarlingen Valley Intl
Apr 27
HRL4:02 pmHarlingen Valley Intl
8h 13m
1 stop
DEN11:15 pmDenver Intl
$308
Delta
Apr 23
DEN6:30 amDenver Intl
7h 35m
1 stop
HRL3:05 pmHarlingen Valley Intl
Apr 27
HRL4:02 pmHarlingen Valley Intl
8h 13m
1 stop
DEN11:15 pmDenver Intl
$338
Delta
Apr 23
DEN6:30 amDenver Intl
7h 35m
1 stop
HRL3:05 pmHarlingen Valley Intl
Apr 27
HRL4:02 pmHarlingen Valley Intl
8h 13m
1 stop
DEN11:15 pmDenver Intl
$339

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Harlingen, Texas 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Colorado to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 4/1

10:25 am-5:45 pm

1 stop6h 20m

Harlingen Valley Intl

Tue 4/7

10:45 am-2:40 pm

1 stop4h 55m

$197

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 4/1

10:25 am-5:45 pm

1 stop6h 20m

Harlingen Valley Intl

Tue 4/7

12:50 pm-7:30 pm

2 stops7h 40m

$202

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 4/1

12:50 pm-9:25 pm

2 stops7h 35m

Harlingen Valley Intl

Tue 4/7

12:50 pm-7:30 pm

2 stops7h 40m

$207

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Mon 2/23

10:20 am-6:16 pm

1 stop6h 56m

Harlingen Valley Intl

Fri 2/27

8:06 pm-11:54 pm

1 stop4h 48m

$241

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 4/21

3:35 pm-9:59 pm

1 stop5h 24m

Harlingen Valley Intl

Fri 5/8

5:18 pm-11:58 pm

1 stop7h 40m

$248

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 3/11

5:35 am-12:05 pm

1 stop5h 30m

Harlingen Valley Intl

Tue 3/17

5:05 pm-10:50 pm

1 stop6h 45m

$252

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 3/25

4:05 pm-10:40 pm

1 stop5h 35m

Harlingen Valley Intl

Wed 4/1

6:20 pm-10:55 pm

2 stops5h 35m

$257

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 2/28

4:51 pm-11:03 pm

1 stop5h 12m

Harlingen Valley Intl

Wed 3/4

6:46 pm-10:10 pm

1 stop4h 24m

$263

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 2/17

4:35 pm-10:15 pm

1 stop4h 40m

Harlingen Valley Intl

Thu 2/26

8:05 pm-11:55 pm

1 stop4h 50m

$287

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Fri 2/27

1:39 pm-7:36 pm

1 stop4h 57m

Harlingen Valley Intl

Wed 3/4

6:46 pm-10:10 pm

1 stop4h 24m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

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

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 Harlingen, Texas?

The month of October is, on average, the cheapest month to fly to Harlingen, Texas from Colorado, with most prices found around $259. If you are unable to visit Harlingen, Texas during the month of October, then departing from Colorado during the month February is also very affordable. Most momondo users find prices during this month for around $273.

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

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

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

There is only 1 cabin class available to choose from on Colorado to Harlingen Valley Intl 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 Colorado to Harlingen, Texas flights?

You could potentially save up to 3% on your flight if you consider stops on a Colorado to Harlingen, Texas flight.

Cheap Colorado to Harlingen, Texas flight deals and tips

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

Fastest flight time

2h 53m

Direct flights

Sun

Airports in Harlingen, Texas

1 airport
The fastest flight from Colorado to Harlingen, Texas takes 2h 53m
Direct flights go from Colorado to Harlingen, Texas on Sunday. There are no airlines offering direct flights.
There is 1 airport in Harlingen, Texas. From Colorado there are direct flights to Harlingen Valley Intl (HRL).
Search flight deals

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

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

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

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

    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 Colorado to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents you'll need for your trip to Harlingen Valley Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Colorado to Harlingen, Texas

Compare and see reviews for airlines that fly from Colorado to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $198Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Harlingen from Colorado 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 Harlingen quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Harlingen from Colorado with this policy.

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

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 Harlingen from Colorado.

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

Yes momondo offers price alerts on flights to Harlingen from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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