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Cheap flights from Colorado to Harlingen from $110

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 5/28. 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
8:15 am - 3:00 pm
DEN
-
HRL
5h 45m
1 stop
Southwest Logo
5:00 pm - 11:25 pm
HRL
-
DEN
7h 25m
1 stop
$211Southwest
Sat, Apr 18 - Mon, Apr 20
United Airlines Logo
7:45 am - 4:04 pm
DEN
-
HRL
7h 19m
1 stop
United Airlines Logo
9:20 am - 2:33 pm
HRL
-
DEN
6h 13m
1 stop
$214United Airlines
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
12:18 pm - 7:40 pm
COS
-
HRL
6h 22m
1 stop
United Airlines Logo
7:00 am - 11:24 am
HRL
-
COS
5h 24m
1 stop
$214United Airlines
Sat, Apr 11 - Wed, Apr 15
Southwest Logo
10:55 am - 5:25 pm
DEN
-
HRL
5h 30m
1 stop
Southwest Logo
12:30 pm - 6:45 pm
HRL
-
DEN
7h 15m
1 stop
$217Southwest
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
12:10 pm - 8:55 pm
DEN
-
HRL
7h 45m
2 stops
Southwest Logo
4:40 pm - 10:35 pm
HRL
-
DEN
6h 55m
1 stop
$220Southwest
Wed, May 27 - Wed, Jun 3
Southwest Logo
5:45 am - 3:00 pm
DEN
-
HRL
8h 15m
2 stops
Southwest Logo
6:00 pm - 12:25 am
HRL
-
DEN
7h 25m
2 stops
$222Southwest
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
1:45 pm - 11:00 pm
DEN
-
HRL
8h 15m
2 stops
Southwest Logo
5:10 pm - 8:45 pm
HRL
-
DEN
4h 35m
1 stop
$226Southwest
Fri, May 29 - Sat, Jun 6
American Airlines Logo
5:13 pm - 10:51 pm
COS
-
HRL
4h 38m
1 stop
American Airlines Logo
8:03 pm - 11:32 pm
HRL
-
COS
4h 29m
1 stop
$235American Airlines
Sat, Apr 11 - Sat, Apr 18
United Airlines Logo
12:18 pm - 7:40 pm
COS
-
HRL
6h 22m
1 stop
United Airlines Logo
5:18 pm - 9:31 pm
HRL
-
COS
5h 13m
1 stop
$238United Airlines
Sat, Apr 11 - Sat, Apr 18
American Airlines Logo
8:00 am - 4:31 pm
COS
-
HRL
7h 31m
1 stop
American Airlines Logo
4:58 pm - 10:57 pm
HRL
-
COS
6h 59m
1 stop
$287American Airlines
Tue, Sep 1 - Sat, Sep 5

United Airlines flights from Colorado to Harlingen, Texas

Our best United Airlines deals on Colorado to Harlingen, Texas flight tickets
United Airlines
Apr 11
DEN7:45 amDenver Intl
7h 19m
1 stop
HRL4:04 pmHarlingen Valley Intl
Apr 15
HRL9:20 amHarlingen Valley Intl
6h 13m
1 stop
DEN2:33 pmDenver Intl
$214
United Airlines
Apr 11
COS12:18 pmColorado Springs
6h 22m
1 stop
HRL7:40 pmHarlingen Valley Intl
Apr 18
HRL5:18 pmHarlingen Valley Intl
5h 13m
1 stop
COS9:31 pmColorado Springs
$238
United Airlines
Apr 11
COS1:33 pmColorado Springs
7h 26m
2 stops
HRL9:59 pmHarlingen Valley Intl
Apr 15
HRL7:00 amHarlingen Valley Intl
5h 24m
1 stop
COS11:24 amColorado Springs
$243

American Airlines flights from Colorado to Harlingen, Texas

Our best American Airlines deals on Colorado to Harlingen, Texas flight tickets
American Airlines
Apr 11
COS5:13 pmColorado Springs
4h 38m
1 stop
HRL10:51 pmHarlingen Valley Intl
Apr 18
HRL8:03 pmHarlingen Valley Intl
4h 29m
1 stop
COS11:32 pmColorado Springs
$235
American Airlines
Sep 1
COS8:00 amColorado Springs
7h 31m
1 stop
HRL4:31 pmHarlingen Valley Intl
Sep 5
HRL4:58 pmHarlingen Valley Intl
6h 59m
1 stop
COS10:57 pmColorado Springs
$287
American Airlines
Apr 11
COS5:13 pmColorado Springs
4h 38m
1 stop
HRL10:51 pmHarlingen Valley Intl
Apr 15
HRL8:03 pmHarlingen Valley Intl
4h 29m
1 stop
COS11:32 pmColorado Springs
$299

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 March 29, 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

Cheapest round-trip

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 4/18

8:15 am-3:00 pm

1 stop5h 45m

Harlingen Valley Intl

Mon 4/20

5:00 pm-11:25 pm

1 stop7h 25m

$211

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 4/11

7:45 am-4:04 pm

1 stop7h 19m

Harlingen Valley Intl

Wed 4/15

9:20 am-2:33 pm

1 stop6h 13m

$214

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 4/11

12:18 pm-7:40 pm

1 stop6h 22m

Harlingen Valley Intl

Wed 4/15

7:00 am-11:24 am

1 stop5h 24m

$214

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 4/9

10:55 am-5:25 pm

1 stop5h 30m

Harlingen Valley Intl

Mon 4/13

12:30 pm-6:45 pm

1 stop7h 15m

$217

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 5/27

12:10 pm-8:55 pm

2 stops7h 45m

Harlingen Valley Intl

Wed 6/3

4:40 pm-10:35 pm

1 stop6h 55m

$220

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 4/18

5:45 am-3:00 pm

2 stops8h 15m

Harlingen Valley Intl

Mon 4/20

6:00 pm-12:25 am

2 stops7h 25m

$222

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 5/29

1:45 pm-11:00 pm

2 stops8h 15m

Harlingen Valley Intl

Sat 6/6

5:10 pm-8:45 pm

1 stop4h 35m

$226
Quickest round-trip

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 4/11

5:13 pm-10:51 pm

1 stop4h 38m

Harlingen Valley Intl

Sat 4/18

8:03 pm-11:32 pm

1 stop4h 29m

$235

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Sat 4/11

12:18 pm-7:40 pm

1 stop6h 22m

Harlingen Valley Intl

Sat 4/18

5:18 pm-9:31 pm

1 stop5h 13m

$238

Colorado SpringsHarlingen

COS - HRL

COSHRL

Colorado Springs

Tue 9/1

8:00 am-4:31 pm

1 stop7h 31m

Harlingen Valley Intl

Sat 9/5

4:58 pm-10:57 pm

1 stop6h 59m

$287

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 February is, on average, the cheapest month to fly to Harlingen, Texas from Colorado, with most prices found around $202. If you are unable to visit Harlingen, Texas during the month of February, then departing from Colorado during the month August is also very affordable. Most momondo users find prices during this month for around $242.

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 19% 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

Best Price Found

$476

Fastest flight time

4h 00m

Direct flights

None
The best flight deal from Colorado to Harlingen, Texas found on momondo in the last 72 hours is $476
The fastest flight from Colorado to Harlingen, Texas takes 4h 00m
There are no direct flights from Colorado to Harlingen, Texas. There are no popular flight routes from Colorado to Harlingen, Texas.
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 $196Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,509 reviews
Search United 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.

An easier way to manage your Harlingen, Texas trip

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