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Cheap flights from Denver to Harlingen, Texas from $120

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, Texas departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Denver to Harlingen

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Denver to Harlingen.
5:00 am - 11:33 amDEN-HRL
5h 33m1 stop
8:14 pm - 11:32 pmHRL-DEN
4h 18m1 stop
$239American Airlines
Find Deal
Tue, Aug 12 - Tue, Aug 12
5:30 am - 1:40 pmDEN-HRL
7h 10m1 stop
7:30 pm - 11:15 pmHRL-DEN
4h 45m1 stop
$259Southwest
Find Deal
Fri, Jul 18 - Wed, Jul 23
10:38 am - 7:21 pmDEN-HRL
7h 43m1 stop
7:54 pm - 11:53 pmHRL-DEN
4h 59m1 stop
$264American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
5:00 am - 11:30 amDEN-HRL
5h 30m1 stop
7:54 pm - 11:53 pmHRL-DEN
4h 59m1 stop
$273American Airlines
Find Deal
Sun, Apr 27 - Sun, May 4
6:10 am - 1:46 pmDEN-HRL
6h 36m1 stop
2:41 pm - 8:16 pmHRL-DEN
6h 35m1 stop
$289Delta
Find Deal
Mon, Apr 14 - Fri, Apr 18
5:30 am - 1:40 pmDEN-HRL
7h 10m1 stop
9:45 am - 3:50 pmHRL-DEN
7h 05m2 stops
$294Southwest
Find Deal
Fri, Jul 18 - Wed, Jul 23
7:00 am - 1:35 pmDEN-HRL
5h 35m1 stop
3:55 pm - 10:05 pmHRL-DEN
7h 10m2 stops
$308Southwest
Find Deal
Tue, Aug 12 - Tue, Aug 12
3:15 pm - 11:00 pmDEN-HRL
6h 45m2 stops
5:25 pm - 11:30 pmHRL-DEN
7h 05m1 stop
$309Southwest
Find Deal
Tue, Apr 15 - Tue, Apr 22
5:20 am - 1:28 pmDEN-HRL
7h 08m1 stop
5:15 am - 6:20 pmHRL-DEN
14h 05m2 stops
$375United Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 22
8:05 am - 11:14 pmDEN-HRL
14h 09m2 stops
5:34 pm - 10:12 pmHRL-DEN
5h 38m1 stop
$411United Airlines
Find Deal
Mon, Apr 14 - Fri, Apr 18

United Airlines flights from Denver to Harlingen, Texas

Our best United Airlines deals on Denver to Harlingen, Texas flight tickets
United Airlines
Apr 18
DEN5:20 amDenver Intl
7h 08m
1 stop
HRL1:28 pmHarlingen Valley Intl
Apr 22
HRL5:15 amHarlingen Valley Intl
14h 05m
2 stops
DEN6:20 pmDenver Intl
United Airlines
Apr 14
DEN8:05 amDenver Intl
14h 09m
2 stops
HRL11:14 pmHarlingen Valley Intl
Apr 18
HRL5:34 pmHarlingen Valley Intl
5h 38m
1 stop
DEN10:12 pmDenver Intl
United Airlines
Apr 25
DEN6:44 pmDenver Intl
17h 44m
2 stops
HRL1:28 pmHarlingen Valley Intl
Apr 27
HRL7:15 amHarlingen Valley Intl
5h 42m
1 stop
DEN11:57 amDenver Intl

Southwest flights from Denver to Harlingen, Texas

Our best Southwest deals on Denver to Harlingen, Texas flight tickets
Southwest
Jul 18
DEN5:30 amDenver Intl
7h 10m
1 stop
HRL1:40 pmHarlingen Valley Intl
Jul 23
HRL7:30 pmHarlingen Valley Intl
4h 45m
1 stop
DEN11:15 pmDenver Intl
Southwest
Jul 18
DEN5:30 amDenver Intl
7h 10m
1 stop
HRL1:40 pmHarlingen Valley Intl
Jul 23
HRL9:45 amHarlingen Valley Intl
7h 05m
2 stops
DEN3:50 pmDenver Intl
Southwest
Aug 12
DEN7:00 amDenver Intl
5h 35m
1 stop
HRL1:35 pmHarlingen Valley Intl
Aug 12
HRL3:55 pmHarlingen Valley Intl
7h 10m
2 stops
DEN10:05 pmDenver Intl

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 cheapest month to fly to Harlingen, Texas?

The month of April is, on average, the cheapest month to fly to Harlingen, Texas from Denver, with most prices found around $248. If you are unable to visit Harlingen, Texas during the month of April, then departing from Denver during the month September is also very affordable. Most momondo users find prices during this month for around $268.

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 Denver 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 Denver 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 $442.

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 are 1 cabin classes 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?

As of March 2025, prices for Denver to Harlingen, Texas flights are approximately 42% cheaper when compared to flights at the same time last year.

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

$120

Fastest flight time

4h 23m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Denver in the past 72 hours is $120. The best round-trip flight deal from Denver to Harlingen, Texas found on momondo in the last 72 hours is $239.
The fastest flight from Denver to Harlingen, Texas takes 4h 23m
There are no direct flights from Denver to Harlingen, Texas. Popular non-direct route for this connection is Denver Intl Airport - Harlingen Valley Intl Airport.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)

  • 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 23m.

  • 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
4,275 reviews
Search Southwest flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights

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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