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Cheap flights from Denver to Harlingen, Texas from $108

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 3/11. 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

These are some of the best round-trip flight deals from Denver to Harlingen that have been recently found on momondo from popular airlines, departing in the coming months.
9:30 am - 4:00 pmDEN-HRL
5h 30m1 stop
4:32 pm - 10:04 pmHRL-DEN
6h 32m1 stop
$183American Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 2
5:55 am - 1:50 pmDEN-HRL
6h 55m1 stop
2:55 pm - 11:30 pmHRL-DEN
9h 35m1 stop
$202Southwest
Find Deal
Thu, May 15 - Tue, May 20
5:55 am - 1:50 pmDEN-HRL
6h 55m1 stop
10:50 am - 5:50 pmHRL-DEN
8h 00m2 stops
$246Southwest
Find Deal
Thu, May 15 - Tue, May 20
6:00 am - 1:50 pmDEN-HRL
6h 50m2 stops
10:50 am - 5:50 pmHRL-DEN
8h 00m2 stops
$296Southwest
Find Deal
Thu, May 15 - Tue, May 20
7:45 am - 1:25 pmDEN-HRL
4h 40m1 stop
5:20 pm - 10:29 pmHRL-DEN
6h 09m1 stop
$327United Airlines
Find Deal
Sat, Jul 5 - Sat, Aug 2
6:05 am - 11:37 amDEN-HRL
4h 32m1 stop
7:54 pm - 11:59 pmHRL-DEN
5h 05m1 stop
$334American Airlines
Find Deal
Mon, Mar 10 - Sun, Mar 16
5:20 pm - 11:14 pmDEN-HRL
4h 54m1 stop
5:15 am - 2:15 pmHRL-DEN
10h 00m2 stops
$341United Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 2
10:45 pm - 11:40 amDEN-HRL
11h 55m2 stops
8:45 pm - 12:15 amHRL-DEN
4h 30m1 stop
$364Southwest
Find Deal
Mon, Mar 10 - Sun, Mar 16
9:45 am - 6:04 pmDEN-HRL
7h 19m1 stop
5:15 am - 7:35 pmHRL-DEN
15h 20m2 stops
$366United Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 2
6:32 pm - 12:03 amDEN-HRL
4h 31m1 stop
4:32 pm - 10:04 pmHRL-DEN
6h 32m1 stop
$379American Airlines
Find Deal
Sun, Mar 16 - Thu, Mar 20

American Airlines flights from Denver to Harlingen, Texas

Our best American Airlines deals on Denver to Harlingen, Texas flight tickets
American Airlines
Mar 26
DEN9:30 amDenver Intl
5h 30m
1 stop
HRL4:00 pmHarlingen Valley Intl
Apr 2
HRL4:32 pmHarlingen Valley Intl
6h 32m
1 stop
DEN10:04 pmDenver Intl
American Airlines
Mar 10
DEN6:05 amDenver Intl
4h 32m
1 stop
HRL11:37 amHarlingen Valley Intl
Mar 16
HRL7:54 pmHarlingen Valley Intl
5h 05m
1 stop
DEN11:59 pmDenver Intl
American Airlines
Mar 16
DEN6:32 pmDenver Intl
4h 31m
1 stop
HRL12:03 amHarlingen Valley Intl
Mar 20
HRL4:32 pmHarlingen Valley Intl
6h 32m
1 stop
DEN10:04 pmDenver Intl

Southwest flights from Denver to Harlingen, Texas

Our best Southwest deals on Denver to Harlingen, Texas flight tickets
Southwest
May 15
DEN5:55 amDenver Intl
6h 55m
1 stop
HRL1:50 pmHarlingen Valley Intl
May 20
HRL2:55 pmHarlingen Valley Intl
9h 35m
1 stop
DEN11:30 pmDenver Intl
Southwest
May 15
DEN5:55 amDenver Intl
6h 55m
1 stop
HRL1:50 pmHarlingen Valley Intl
May 20
HRL10:50 amHarlingen Valley Intl
8h 00m
2 stops
DEN5:50 pmDenver Intl
Southwest
May 15
DEN6:00 amDenver Intl
6h 50m
2 stops
HRL1:50 pmHarlingen Valley Intl
May 20
HRL10:50 amHarlingen Valley Intl
8h 00m
2 stops
DEN5:50 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 $258. 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 Saturday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Harlingen, Texas for around $442.

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 $446.

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 February 2025, prices for Denver to Harlingen, Texas flights are approximately 1% 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

$108

Fastest flight time

2h 44m

Direct flights

Sun

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Denver in the past 72 hours is $108. The best round-trip flight deal from Denver to Harlingen, Texas found on momondo in the last 72 hours is $183.
The fastest flight from Denver to Harlingen, Texas takes 2h 44m
Direct flights go from Denver to Harlingen, Texas on Sunday. The only airline offering direct flights is United Airlines.
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 2h 44m.

  • 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
8.1
4,362 reviews
Search Southwest flights
American AirlinesPriceFrom $222Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
8,723 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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