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Cheap flights from Denver to Harlingen from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Harlingen departing on 5/29. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Denver 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
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
Southwest Logo
3:00 pm - 11:00 pm
DEN
-
HRL
7h 00m
1 stop
Southwest Logo
7:10 am - 11:55 am
HRL
-
DEN
5h 45m
1 stop
$231Southwest
Thu, May 28 - Thu, Jun 4
Southwest Logo
1:45 pm - 11:00 pm
DEN
-
HRL
8h 15m
2 stops
Southwest Logo
7:10 am - 11:55 am
HRL
-
DEN
5h 45m
1 stop
$236Southwest
Thu, May 28 - Thu, Jun 4
Southwest Logo
2:05 pm - 11:00 pm
DEN
-
HRL
7h 55m
2 stops
Southwest Logo
5:40 pm - 9:00 pm
HRL
-
DEN
4h 20m
1 stop
$237Southwest
Fri, May 29 - Fri, Jun 5
Southwest Logo
3:00 pm - 11:00 pm
DEN
-
HRL
7h 00m
1 stop
Southwest Logo
5:40 pm - 9:00 pm
HRL
-
DEN
4h 20m
1 stop
$242Southwest
Fri, May 29 - Fri, Jun 5

United Airlines flights from Denver to Harlingen, Texas

Our best United Airlines deals on Denver 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 4
DEN3:35 pmDenver Intl
5h 24m
1 stop
HRL9:59 pmHarlingen Valley Intl
Apr 11
HRL5:18 pmHarlingen Valley Intl
5h 57m
1 stop
DEN10:15 pmDenver Intl
$267
United Airlines
May 5
DEN5:10 amDenver Intl
5h 13m
1 stop
HRL11:23 amHarlingen Valley Intl
May 6
HRL5:18 pmHarlingen Valley Intl
5h 57m
1 stop
DEN10:15 pmDenver Intl
$301

Southwest flights from Denver to Harlingen, Texas

Our best Southwest deals on Denver to Harlingen, Texas flight tickets
Southwest
Apr 18
DEN8:15 amDenver Intl
5h 45m
1 stop
HRL3:00 pmHarlingen Valley Intl
Apr 20
HRL5:00 pmHarlingen Valley Intl
7h 25m
1 stop
DEN11:25 pmDenver Intl
$211
Southwest
Apr 9
DEN10:55 amDenver Intl
5h 30m
1 stop
HRL5:25 pmHarlingen Valley Intl
Apr 13
HRL12:30 pmHarlingen Valley Intl
7h 15m
1 stop
DEN6:45 pmDenver Intl
$217
Southwest
May 27
DEN12:10 pmDenver Intl
7h 45m
2 stops
HRL8:55 pmHarlingen Valley Intl
Jun 3
HRL4:40 pmHarlingen Valley Intl
6h 55m
1 stop
DEN10:35 pmDenver Intl
$220

momondo Fare Finder

 
Customize your flight search to find flights from Denver 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 27, 2026.
Use the filters below to find and compare flights from Denver 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

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

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 5/28

3:00 pm-11:00 pm

1 stop7h 00m

Harlingen Valley Intl

Thu 6/4

7:10 am-11:55 am

1 stop5h 45m

$231

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Thu 5/28

1:45 pm-11:00 pm

2 stops8h 15m

Harlingen Valley Intl

Thu 6/4

7:10 am-11:55 am

1 stop5h 45m

$236

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 5/29

2:05 pm-11:00 pm

2 stops7h 55m

Harlingen Valley Intl

Fri 6/5

5:40 pm-9:00 pm

1 stop4h 20m

$237
Quickest round-trip

DenverHarlingen

DEN - HRL

DENHRL

Denver Intl

Fri 5/29

3:00 pm-11:00 pm

1 stop7h 00m

Harlingen Valley Intl

Fri 6/5

5:40 pm-9:00 pm

1 stop4h 20m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Denver 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 typical price of a round-trip flight between Denver and Harlingen, Texas?

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

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

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

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

There is only 1 cabin class available to choose from on Denver Intl 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.

How have Denver to Harlingen, Texas flight prices changed over time?

When to book flights from Denver to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Harlingen, Texas (DEN to HRL) flight deals and tips

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

Best Price Found

$476

Fastest flight time

4h 00m

Direct flights

None
The best flight deal from Denver to Harlingen, Texas found on momondo in the last 72 hours is $476
The fastest flight from Denver to Harlingen, Texas takes 4h 00m
There are no direct flights from Denver to Harlingen, Texas. There are no popular flight routes from Denver to Harlingen, Texas.
Search flight deals

  • How far is Denver Intl to Harlingen Valley Intl by plane?

    Denver Intl and Harlingen Valley Intl are 1025.4 mi apart from one another. A reasonable flight in good conditions will take 4h 00m.

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

    Prices for flights from Denver Intl Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport 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 Denver to Harlingen, Texas?

  • What is the most popular airline from Denver to Harlingen, Texas?

Best airlines flying from Denver to Harlingen, Texas

Compare and see reviews for airlines that fly from Denver 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
11,507 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights

  • Southwest Flights From Denver to Harlingen, Texas

    Southwest operates around 2 flights from Denver to Harlingen, Texas every week. The average price of these flights found in the last 72 hours has been $337, but momondo users have found Southwest deals from Denver to Harlingen, Texas from as low as $196 round-trip. Southwest has been scored 8.0/10 in 4,333 reviews.

Why use momondo?

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

It is quick and easy to find Denver to Harlingen flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Harlingen that suits you.

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

Yes. All flights to Harlingen from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Denver and Harlingen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Denver to Harlingen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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