DEN - HRL

$109 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
$217
Typical prices: $267-$457
Southwest
Wed 10/3Fri 10/5
DEN - HRL • 1 stop
Cheapest one-way
$109
Typical prices: $144-$249
Southwest
Mon 10/8
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 • 42% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston Hobby (HOU)
Cheapest • Avg $333 (round-trip)
Austin Bergstrom (AUS)
Shortest trip • 5h 16m (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, Oct 3 - Mon, Oct 5
Southwest Logo
5:50 am - 12:00 pmDEN  Denver Intl-HRL Harlingen Valley Intl
5h 10m1 stop Houston Hobby
Southwest Logo
11:55 am - 3:10 pmHRL  Harlingen Valley Intl-DEN Denver Intl
4h 15m1 stop Austin Bergstrom
$217Southwest
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
6:40 am - 11:30 amDEN  Denver Intl-HRL Harlingen Valley Intl
3h 50m1 stop Austin Bergstrom
Southwest Logo
12:40 pm - 6:45 pmHRL  Harlingen Valley Intl-DEN Denver Intl
7h 05m1 stop Houston Hobby
$217Southwest
Sat, Oct 3 - Mon, Oct 5
Southwest Logo
11:05 am - 8:55 pmDEN  Denver Intl-HRL Harlingen Valley Intl
8h 50m2 stops Omaha Eppley Airfield Houston Hobby
Southwest Logo
11:55 am - 3:10 pmHRL  Harlingen Valley Intl-DEN Denver Intl
4h 15m1 stop Austin Bergstrom
$222Southwest
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
6:40 am - 11:30 amDEN  Denver Intl-HRL Harlingen Valley Intl
3h 50m1 stop Austin Bergstrom
Southwest Logo
12:40 pm - 6:45 pmHRL  Harlingen Valley Intl-DEN Denver Intl
7h 05m2 stops Houston Hobby Austin Bergstrom
$222Southwest
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
5:30 am - 1:56 pmDEN  Denver Intl-HRL Harlingen Valley Intl
7h 26m1 stop Dallas/Fort Worth
American Airlines Logo
10:44 am - 5:40 pmHRL  Harlingen Valley Intl-DEN Denver Intl
7h 56m1 stop Dallas/Fort Worth
$293American Airlines
Wed, Feb 17 - Tue, Feb 23
American Airlines Logo
3:09 pm - 10:52 pmDEN  Denver Intl-HRL Harlingen Valley Intl
6h 43m1 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
$306American Airlines
Thu, Feb 18 - Wed, Feb 24
American Airlines Logo
10:41 am - 6:11 pmDEN  Denver Intl-HRL Harlingen Valley Intl
6h 30m1 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
$307American Airlines
Thu, Oct 1 - Sun, Oct 4
United Airlines Logo
4:20 pm - 9:52 pmDEN  Denver Intl-HRL Harlingen Valley Intl
4h 32m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 am - 10:07 amHRL  Harlingen Valley Intl-DEN Denver Intl
6h 02m1 stop Houston George Bush Intcntl
$374United Airlines
Mon, Oct 26 - Fri, Oct 30
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 - 9:02 amHRL  Harlingen Valley Intl-DEN Denver Intl
4h 57m1 stop Houston George Bush Intcntl
$381United Airlines
Mon, Oct 26 - Fri, Oct 30
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 - 9:02 amHRL  Harlingen Valley Intl-DEN Denver Intl
4h 57m1 stop Houston George Bush Intcntl
$435United Airlines
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 from Denver to Harlingen with more confidence.

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

Round-trip flights from Denver to Harlingen start at $217. Prices are below average for this route right now, with typical round-trip fares ranging from $267 to $457. The lowest price found in the past 5 days was $217 on Southwest.

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

Wednesday is the cheapest day of the week to fly from Denver to Harlingen, it is 27% cheaper than the average day. Saturday is the most expensive day with flight prices 36% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 March ($457) 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

July

Cheapest flight

$109
Best time to beat the crowds but there is an average 48% increase in price.
Most popular time to fly and prices are also 42% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

  • 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 $333 round-trip via Houston Hobby (HOU), compared to $476 for nonstop.

  • 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) - 32% of one-stop connections
    • Dallas/Fort Worth (DFW) - 26% of one-stop connections
    • Austin Bergstrom (AUS) - 25% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 15% of one-stop connections

    Houston Hobby (HOU) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 47% on the Denver to Harlingen route. 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 long is a flight from Denver to Harlingen?

    A nonstop flight from Denver to Harlingen takes 0h 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.

  • 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 $195 to $1,153. That means the highest observed fare was about 6x 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 $224, which is 33% above the typical average for this route.

  • 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 16m, compared with 5h 19m via Dallas/Fort Worth (DFW) and 5h 21m via Houston Hobby (HOU).

  • 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.

  • 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 starting from around $30 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • 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 $350 over the past 12 months. Anything below $267 counts as a good deal.

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 can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $257 - about $219 less than Saturday (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 Hobby Airport (HOU) can be cheaper than flying direct. The cheapest layover option averages $333 round-trip on this route - about $143 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

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