DEN - HRL

$157 Find Cheap Flights from Denver to Harlingen - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$313
Typical prices: $267-$457
Southwest
Tue 1/9Fri 1/12
DEN - HRL • 1 stop
Cheapest one-way
$157
Typical prices: $144-$202
United Airlines
Sat 1/6
DEN - HRL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Denver and Harlingen. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 41% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $321 (round-trip)
Austin Bergstrom (AUS)
Shortest trip • 5h 06m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Harlingen (DEN-HRL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Harlingen

Sat, Jan 9 - Tue, Jan 12
Southwest Logo
7:50 am - 2:55 pmDEN  Denver Intl-HRL Harlingen Valley Intl
6h 05m1 stop Dallas Love Field
Southwest Logo
1:00 pm - 4:20 pmHRL  Harlingen Valley Intl-DEN Denver Intl
4h 20m1 stop Houston Hobby
$313Southwest
Sat, Jan 9 - Tue, Jan 12
Southwest Logo
9:15 am - 6:55 pmDEN  Denver Intl-HRL Harlingen Valley Intl
8h 40m2 stops Phoenix Sky Harbor Intl Austin Bergstrom
Southwest Logo
1:00 pm - 4:20 pmHRL  Harlingen Valley Intl-DEN Denver Intl
4h 20m1 stop Houston Hobby
$318Southwest
Sat, Jan 9 - Tue, Jan 12
Southwest Logo
8:45 am - 6:55 pmDEN  Denver Intl-HRL Harlingen Valley Intl
9h 10m2 stops Houston Hobby Austin Bergstrom
Southwest Logo
7:00 am - 2:00 pmHRL  Harlingen Valley Intl-DEN Denver Intl
8h 00m2 stops Houston Hobby Phoenix Sky Harbor Intl
$323Southwest
Wed, Nov 25 - Wed, Dec 2
American Airlines Logo
6:20 am - 6:16 pmDEN  Denver Intl-HRL Harlingen Valley Intl
10h 56m1 stop Dallas/Fort Worth
American Airlines Logo
6:41 pm - 11:50 pmHRL  Harlingen Valley Intl-DEN Denver Intl
6h 09m1 stop Dallas/Fort Worth
$444American Airlines
Sun, Dec 27 - Thu, Dec 31
American Airlines Logo
6:15 am - 2:17 pmDEN  Denver Intl-HRL Harlingen Valley Intl
7h 02m1 stop Dallas/Fort Worth
American Airlines Logo
7:21 pm - 11:45 pmHRL  Harlingen Valley Intl-DEN Denver Intl
5h 24m1 stop Dallas/Fort Worth
$463American Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
4:44 pm - 10:48 pmDEN  Denver Intl-HRL Harlingen Valley Intl
5h 04m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 am - 12:07 pmHRL  Harlingen Valley Intl-DEN Denver Intl
8h 02m1 stop Houston George Bush Intcntl
$497United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
4:44 pm - 10:48 pmDEN  Denver Intl-HRL Harlingen Valley Intl
5h 04m1 stop Houston George Bush Intcntl
United Airlines Logo
7:10 am - 11:22 amHRL  Harlingen Valley Intl-DEN Denver Intl
5h 12m1 stop Houston George Bush Intcntl
$528United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
9:40 am - 10:48 pmDEN  Denver Intl-HRL Harlingen Valley Intl
12h 08m2 stops Austin Bergstrom Houston George Bush Intcntl
United Airlines Logo
7:10 am - 11:22 amHRL  Harlingen Valley Intl-DEN Denver Intl
5h 12m1 stop Houston George Bush Intcntl
$636United Airlines
Sun, Dec 20 - Sun, Dec 27
Sun Country Air Logo
7:20 pm - 10:44 amDEN  Denver Intl-HRL Harlingen Valley Intl
14h 24m1 stop Minneapolis St Paul
Sun Country Air Logo
11:46 am - 9:33 amHRL  Harlingen Valley Intl-DEN Denver Intl
22h 47m1 stop Minneapolis St Paul
$675Sun Country Air
Sun, Dec 20 - Sun, Dec 27
Sun Country Air Logo
7:20 pm - 10:44 amDEN  Denver Intl-HRL Harlingen Valley Intl
14h 24m1 stop Minneapolis St Paul
Sun Country Air Logo
11:46 am - 9:33 amHRL  Harlingen Valley Intl-DEN Denver Intl
22h 47m1 stop Minneapolis St Paul
$675Sun Country Air
Booking Insights

Price, demand and travel trends for Denver to Harlingen flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Denver to Harlingen?

Round-trip flights from Denver to Harlingen typically range from $267 to $457. The lowest price found in the past 5 days was $313, on Southwest.

What's the cheapest day of the week to fly from Denver to Harlingen?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Denver to Harlingen. It’s 25% cheaper than the average day, while Saturday is the most expensive, with prices 39% higher.

What’s the cheapest month to fly from Denver to Harlingen?

•February is the cheapest month to fly from Denver to Harlingen at $202 round-trip.
•July ($516) and October ($496) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 155% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Denver to Harlingen flights

Low season

September

Cheapest flight

$157
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 70% increase in travelers.
One-way flight from Denver to Harlingen

When to book flights from Denver to Harlingen

Are your dates flexible? Find out the best times to travel from Denver to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to Harlingen flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Denver to Harlingen?

    Only Economy Class is available on flights from Denver to Harlingen.

  • How long is a flight from Denver to Harlingen?

    A nonstop flight from Denver to Harlingen takes 00m, covering 1,024 miles.

  • Do I need a passport to fly from Denver to Harlingen?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Denver to Harlingen flight?

    Round-trip flights from Denver to Harlingen range from $267 to $457, with an average of $342 over the past 12 months. Anything below $267 counts as a good deal.

  • How much can I save by taking a layover when flying from Denver to Harlingen?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $321 round-trip via Houston George Bush Intcntl (IAH), compared to $476 for nonstop.

  • Have flight prices from Denver to Harlingen changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $313 to $1,195. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Denver to Harlingen looking right now?

    One-way fares from Denver to Harlingen are currently higher than usual. Average one-way flight prices are about $185, which is 10% above the typical average for this route.

  • What car rental options are available at Harlingen Valley Intl Airport (HRL)?

    Harlingen Valley Intl Airport (HRL) hosts 5 major car rental companies, with daily rates averaging $57 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Denver to Harlingen?

    Flights from Denver to Harlingen usually depart from Denver Intl (DEN) and arrive at Harlingen Valley Intl (HRL).

  • Which airports do connecting flights from Denver to Harlingen pass through?

    One-stop flights from Denver to Harlingen most commonly connect through:

    • Houston Hobby (HOU) - 33% of one-stop connections
    • Dallas/Fort Worth (DFW) - 30% of one-stop connections
    • Austin Bergstrom (AUS) - 22% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Harlingen?

    Yes. Flexible dates can save you up to 47% on flights from Denver to Harlingen. Wednesday is the cheapest departure day at $257 round-trip on average, while Saturday is the most expensive at $476, a difference of $219.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Denver to Harlingen?

    Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 5h 06m, compared with 5h 15m via Houston Hobby (HOU) and 5h 19m via Dallas/Fort Worth (DFW).

  • What is the time difference between Denver and Harlingen?

    Harlingen is 1 hour ahead of Denver (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Denver to Harlingen flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $257, about $219 less than Saturday fares (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Denver to Harlingen trip for February. Fares historically average $202 round-trip in that month - typically $314 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Houston George Bush Intcntl Airport (IAH) can be cheaper than flying direct. The cheapest layover option averages $321 round-trip on this route - about $155 less than direct flights (based on the last 12 months).

More options for your flight from Denver to Harlingen

Complete your trip to Harlingen with a hotel stay or car rental

Car rentals in Harlingen
Hotels in Harlingen