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Cheap flights from Colorado to Harlingen 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 Colorado to Harlingen departing on 8/26. 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

American Airlines Logo
7:20 am - 2:19 pmDEN-HRL
5h 59m1 stop
American Airlines Logo
6:35 pm - 10:09 pmHRL-DEN
4h 34m1 stop
$217American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 23
Southwest Logo
1:00 pm - 6:30 pmDEN-HRL
4h 30m1 stop
Southwest Logo
10:30 am - 4:20 pmHRL-DEN
6h 50m2 stops
$222Southwest
Find Deal
Wed, Oct 29 - Wed, Nov 5
Southwest Logo
2:45 pm - 10:35 pmDEN-HRL
6h 50m2 stops
Southwest Logo
10:30 am - 4:20 pmHRL-DEN
6h 50m2 stops
$227Southwest
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
5:06 pm - 10:57 pmDEN-HRL
4h 51m1 stop
American Airlines Logo
2:51 pm - 7:47 pmHRL-DEN
5h 56m1 stop
$229American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 23
Southwest Logo
6:35 am - 11:45 amDEN-HRL
4h 10m1 stop
Southwest Logo
1:40 pm - 5:55 pmHRL-DEN
5h 15m1 stop
$252Southwest
Find Deal
Wed, Sep 17 - Thu, Sep 18
Southwest Logo
7:00 am - 2:55 pmDEN-HRL
6h 55m2 stops
Southwest Logo
6:40 am - 12:45 pmHRL-DEN
7h 05m1 stop
$257Southwest
Find Deal
Wed, Sep 17 - Thu, Sep 18
United Airlines Logo
10:11 am - 4:02 pmDEN-HRL
4h 51m1 stop
United Airlines Logo
7:00 am - 7:40 pmHRL-DEN
13h 40m2 stops
$361United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 23
United Airlines Logo
5:00 am - 10:59 amDEN-HRL
4h 59m1 stop
United Airlines Logo
5:16 pm - 8:24 amHRL-DEN
16h 08m2 stops
$383United Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Sun Country Air Logo
7:02 pm - 10:41 amDEN-HRL
14h 39m1 stop
Sun Country Air Logo
12:19 pm - 6:08 pmHRL-DEN
6h 49m1 stop
$465Sun Country Air
Find Deal
Sat, Dec 20 - Sun, Dec 28
Delta Logo
6:10 am - 2:26 pmDEN-HRL
7h 16m1 stop
Delta Logo
3:00 pm - 10:30 pmHRL-DEN
8h 30m1 stop
$649Delta
Find Deal
Wed, Nov 26 - Sat, Nov 29

American Airlines flights from Colorado to Harlingen, Texas

Our best American Airlines deals on Colorado to Harlingen, Texas flight tickets
American Airlines
Sep 9
DEN7:20 amDenver Intl
5h 59m
1 stop
HRL2:19 pmHarlingen Valley Intl
Sep 23
HRL6:35 pmHarlingen Valley Intl
4h 34m
1 stop
DEN10:09 pmDenver Intl
$217
Find similar
American Airlines
Sep 9
DEN5:06 pmDenver Intl
4h 51m
1 stop
HRL10:57 pmHarlingen Valley Intl
Sep 23
HRL2:51 pmHarlingen Valley Intl
5h 56m
1 stop
DEN7:47 pmDenver Intl
$229
Find similar
American Airlines
Sep 9
DEN10:31 amDenver Intl
6h 34m
1 stop
HRL6:05 pmHarlingen Valley Intl
Sep 23
HRL5:45 amHarlingen Valley Intl
12h 02m
2 stops
DEN4:47 pmDenver Intl
$291
Find similar

United Airlines flights from Colorado to Harlingen, Texas

Our best United Airlines deals on Colorado to Harlingen, Texas flight tickets
United Airlines
Sep 9
DEN10:11 amDenver Intl
4h 51m
1 stop
HRL4:02 pmHarlingen Valley Intl
Sep 23
HRL7:00 amHarlingen Valley Intl
13h 40m
2 stops
DEN7:40 pmDenver Intl
$361
Find similar
United Airlines
Jan 15
DEN5:00 amDenver Intl
4h 59m
1 stop
HRL10:59 amHarlingen Valley Intl
Jan 19
HRL5:16 pmHarlingen Valley Intl
16h 08m
2 stops
DEN8:24 amDenver Intl
$383
Find similar
United Airlines
Jan 15
DEN10:06 amDenver Intl
10h 38m
2 stops
HRL9:44 pmHarlingen Valley Intl
Jan 19
HRL5:16 pmHarlingen Valley Intl
5h 07m
1 stop
DEN9:23 pmDenver Intl
$393
Find similar

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 August 20, 2025.
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

Tue 9/9

7:20 am-2:19 pm

1 stop5h 59m

Harlingen Valley Intl

Tue 9/23

6:35 pm-10:09 pm

1 stop4h 34m

$217

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 10/29

1:00 pm-6:30 pm

1 stop4h 30m

Harlingen Valley Intl

Wed 11/5

10:30 am-4:20 pm

2 stops6h 50m

$222

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 10/29

2:45 pm-10:35 pm

2 stops6h 50m

Harlingen Valley Intl

Wed 11/5

10:30 am-4:20 pm

2 stops6h 50m

$227

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 9/9

5:06 pm-10:57 pm

1 stop4h 51m

Harlingen Valley Intl

Tue 9/23

2:51 pm-7:47 pm

1 stop5h 56m

$229

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 9/17

6:35 am-11:45 am

1 stop4h 10m

Harlingen Valley Intl

Thu 9/18

1:40 pm-5:55 pm

1 stop5h 15m

$252

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 9/17

7:00 am-2:55 pm

2 stops6h 55m

Harlingen Valley Intl

Thu 9/18

6:40 am-12:45 pm

1 stop7h 05m

$257

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Tue 9/9

10:11 am-4:02 pm

1 stop4h 51m

Harlingen Valley Intl

Tue 9/23

7:00 am-7:40 pm

2 stops13h 40m

$361

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 1/15

5:00 am-10:59 am

1 stop4h 59m

Harlingen Valley Intl

Mon 1/19

5:16 pm-8:24 am

2 stops16h 08m

$383

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Sat 12/20

7:02 pm-10:41 am

1 stop14h 39m

Harlingen Valley Intl

Sun 12/28

12:19 pm-6:08 pm

1 stop6h 49m

$465

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Wed 11/26

6:10 am-2:26 pm

1 stop7h 16m

Harlingen Valley Intl

Sat 11/29

3:00 pm-10:30 pm

1 stop8h 30m

$649

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 $273. 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 $280.

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Tuesday when prices can be found for as low as $245. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Colorado to Harlingen, Texas for around $354.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the afternoon. Flights from Colorado to Harlingen, Texas during this time can be as low as $341. Flights in the morning are often more expensive with an average ticket price of $446.

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 are 1 cabin classes 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.

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

Direct flights

None
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
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $222Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
8,928 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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