Cheap flights from Denver to Harlingen (DEN - HRL) from $219

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — HRL
Mar 24 — Mar 311

The best prices from Denver Intl to Harlingen Valley Intl are usually found in August or April, booked 74 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Denver to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

February

Cheapest in

August

Average price

$449

Round-trip from

$276
High demand for flights, 26% potential price rise
Best time to find cheap flights, 53% potential price drop
Average for round-trip flights in March 2024
From Denver Intl to Harlingen Valley Intl

What is the cheapest day to fly round-trip from Denver to Harlingen, Texas?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 63% when planning your travel around this day of the week.

How far in advance should I book a flight from Denver to Harlingen, Texas?

Users have found that booking a flight from Denver to Harlingen, Texas at least 21 days early can save you up to 49% on average compared to booking a flight this week. If booking 21 days before your flight isn’t an option for you, users have found flights from Denver to Harlingen, Texas for as little as $330 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $486 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to Harlingen, Texas?

Our data shows that August tends to be the cheapest month to fly to Harlingen, Texas from Denver. Users have commonly found prices around $469 for the month, but tickets can be as low as $221. Due to multiple factors, prepare for potentially higher prices in February.

When is the cheapest time to fly from Denver to Harlingen, Texas (DEN - HRL)?

It’s typically best to fly out from Denver to Harlingen, Texas in the morning. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

Cheap United Airlines flights from Denver to Harlingen

Explore cheap flight options specifically provided by United Airlines for the route between Denver and Harlingen. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Denver to Harlingen. Make sure to check back often as deals are often changing.
Sat 4/137:46 amDEN - HRL
1 stop7h 13mUnited Airlines
Tue 4/165:20 pmHRL - DEN
1 stop7h 24mUnited Airlines
Deal found 3/17$288
Sat 5/183:29 pmDEN - HRL
1 stop4h 45mUnited Airlines
Sat 5/255:15 pmHRL - DEN
1 stop7h 23mUnited Airlines
Deal found 3/17$349
Sat 4/139:52 amDEN - HRL
2 stops10h 22mUnited Airlines
Tue 4/165:20 pmHRL - DEN
1 stop7h 24mUnited Airlines
Deal found 3/17$361
Thu 4/45:02 amDEN - HRL
1 stop5h 07mUnited Airlines
Thu 4/117:15 amHRL - DEN
2 stops10h 08mUnited Airlines
Deal found 3/18$412
Wed 5/157:46 amDEN - HRL
1 stop7h 14mUnited Airlines
Wed 5/225:00 amHRL - DEN
2 stops15h 40mUnited Airlines
Deal found 3/18$445
Wed 5/295:25 pmDEN - HRL
1 stop4h 27mUnited Airlines
Wed 6/55:15 pmHRL - DEN
2 stops14h 48mUnited Airlines
Deal found 3/18$492
Wed 4/1011:17 amDEN - HRL
2 stops10h 42mUnited Airlines
Tue 4/167:15 amHRL - DEN
2 stops10h 08mUnited Airlines
Deal found 3/18$505
Thu 6/68:20 amDEN - HRL
2 stops11h 41mUnited Airlines
Sat 6/155:15 pmHRL - DEN
1 stop7h 23mUnited Airlines
Deal found 3/18$567
Wed 5/1510:00 amDEN - HRL
2 stops10h 14mUnited Airlines
Wed 5/225:00 amHRL - DEN
2 stops15h 40mUnited Airlines
Deal found 3/18$568

Cheap American Airlines flights from Denver to Harlingen

Explore cheap flight options specifically provided by American Airlines for the route between Denver and Harlingen. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Browse through some of the cheapest American Airlines flights traveling from Denver to Harlingen. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 4/109:11 amDEN - HRL
1 stop5h 30mAmerican Airlines
Tue 4/165:53 amHRL - DEN
1 stop4h 47mAmerican Airlines
Deal found 3/18$228
Thu 4/44:57 pmDEN - HRL
1 stop6h 02mAmerican Airlines
Thu 4/118:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$233
Wed 5/156:02 amDEN - HRL
1 stop6h 45mAmerican Airlines
Wed 5/225:54 amHRL - DEN
1 stop4h 49mAmerican Airlines
Deal found 3/18$258
Sun 8/256:34 amDEN - HRL
1 stop6h 19mAmerican Airlines
Wed 8/2810:05 amHRL - DEN
1 stop6h 39mAmerican Airlines
Deal found 3/18$313
Sun 3/246:43 pmDEN - HRL
1 stop4h 23mAmerican Airlines
Wed 4/108:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$338
Fri 4/55:00 amDEN - HRL
1 stop4h 24mAmerican Airlines
Mon 4/85:53 amHRL - DEN
1 stop7h 02mAmerican Airlines
Deal found 3/17$393
Thu 6/69:03 amDEN - HRL
1 stop9h 38mAmerican Airlines
Sat 6/158:11 pmHRL - DEN
1 stop4h 51mAmerican Airlines
Deal found 3/18$423
Sun 8/255:30 amDEN - HRL
2 stops7h 23mAmerican Airlines
Wed 8/286:03 amHRL - DEN
1 stop4h 32mAmerican Airlines
Deal found 3/18$728

Cheap Denver to Harlingen flights in March & April 2024

Find cheap flight options from Denver to Harlingen specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Denver to Harlingen in March and April 2024. Check back soon for alternative fares.
Wed 4/1011:23 amDEN - HRL
1 stop22h 58mMultiple Airlines
Tue 4/162:05 pmHRL - DEN
1 stop28h 12mMultiple Airlines
Deal found 3/18$219
Wed 4/109:11 amDEN - HRL
1 stop5h 30mAmerican Airlines
Tue 4/165:53 amHRL - DEN
1 stop4h 47mAmerican Airlines
Deal found 3/18$228
Thu 4/44:57 pmDEN - HRL
1 stop6h 02mAmerican Airlines
Thu 4/118:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$233
Wed 4/103:09 pmDEN - HRL
2 stops19h 12mMultiple Airlines
Tue 4/162:05 pmHRL - DEN
1 stop21h 20mMultiple Airlines
Deal found 3/18$285
Sat 4/137:46 amDEN - HRL
1 stop7h 13mUnited Airlines
Tue 4/165:20 pmHRL - DEN
1 stop7h 24mUnited Airlines
Deal found 3/17$288
Sun 3/246:43 pmDEN - HRL
1 stop4h 23mAmerican Airlines
Wed 4/108:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$338
Sat 4/139:52 amDEN - HRL
2 stops10h 22mUnited Airlines
Tue 4/165:20 pmHRL - DEN
1 stop7h 24mUnited Airlines
Deal found 3/17$361
Fri 4/55:00 amDEN - HRL
1 stop4h 24mAmerican Airlines
Mon 4/85:53 amHRL - DEN
1 stop7h 02mAmerican Airlines
Deal found 3/17$393
Sun 3/245:01 amDEN - HRL
1 stop14h 12mMultiple Airlines
Wed 4/1012:10 pmHRL - DEN
2 stops12h 48mMultiple Airlines
Deal found 3/18$405

Denver to Harlingen 2024 flight deals

Discover exclusive flight deals for travel between Denver and Harlingen in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Denver to Harlingen in March and April 2024. Check back soon for alternative fares.
Wed 4/1011:23 amDEN - HRL
1 stop22h 58mMultiple Airlines
Tue 4/162:05 pmHRL - DEN
1 stop28h 12mMultiple Airlines
Deal found 3/18$219
Wed 4/109:11 amDEN - HRL
1 stop5h 30mAmerican Airlines
Tue 4/165:53 amHRL - DEN
1 stop4h 47mAmerican Airlines
Deal found 3/18$228
Thu 4/44:57 pmDEN - HRL
1 stop6h 02mAmerican Airlines
Thu 4/118:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$233
Wed 5/156:02 amDEN - HRL
1 stop6h 45mAmerican Airlines
Wed 5/225:54 amHRL - DEN
1 stop4h 49mAmerican Airlines
Deal found 3/18$258
Wed 4/103:09 pmDEN - HRL
2 stops19h 12mMultiple Airlines
Tue 4/162:05 pmHRL - DEN
1 stop21h 20mMultiple Airlines
Deal found 3/18$285
Sat 4/137:46 amDEN - HRL
1 stop7h 13mUnited Airlines
Tue 4/165:20 pmHRL - DEN
1 stop7h 24mUnited Airlines
Deal found 3/17$288
Sun 8/256:34 amDEN - HRL
1 stop6h 19mAmerican Airlines
Wed 8/2810:05 amHRL - DEN
1 stop6h 39mAmerican Airlines
Deal found 3/18$313
Sun 3/246:43 pmDEN - HRL
1 stop4h 23mAmerican Airlines
Wed 4/108:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$338
Sat 5/183:29 pmDEN - HRL
1 stop4h 45mUnited Airlines
Sat 5/255:15 pmHRL - DEN
1 stop7h 23mUnited Airlines
Deal found 3/17$349

Denver to Harlingen flights leaving soon

Find last-minute flight options from Denver to Harlingen for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Book one of these great deals on flights from Denver to Harlingen. It's wise to confirm all flight details are correct before booking.
Sun 3/246:43 pmDEN - HRL
1 stop4h 23mAmerican Airlines
Wed 4/108:00 pmHRL - DEN
1 stop4h 54mAmerican Airlines
Deal found 3/18$338
Sun 3/245:01 amDEN - HRL
1 stop14h 12mMultiple Airlines
Wed 4/1012:10 pmHRL - DEN
2 stops12h 48mMultiple Airlines
Deal found 3/18$405
Sun 3/248:59 pmDEN - HRL
2 stops13h 12mUnited Airlines
Wed 4/105:00 amHRL - DEN
2 stops15h 40mUnited Airlines
Deal found 3/18$992

Find flights from Denver to Harlingen within your budget

Customize your flight search to find flights from Denver to Harlingen 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, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$219 - $361

Route

Depart

Return

Price

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Wed 4/10

1 stop22h 58m

Harlingen Valley Intl

Tue 4/16

1 stop28h 12m

$219

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Wed 4/10

1 stop5h 30m

Harlingen Valley Intl

Tue 4/16

1 stop4h 47m

$228

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Thu 4/4

1 stop6h 02m

Harlingen Valley Intl

Thu 4/11

1 stop4h 54m

$233

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Wed 5/15

1 stop6h 45m

Harlingen Valley Intl

Wed 5/22

1 stop4h 49m

$258

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Wed 4/10

2 stops19h 12m

Harlingen Valley Intl

Tue 4/16

1 stop21h 20m

$285

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Sat 4/13

1 stop7h 13m

Harlingen Valley Intl

Tue 4/16

1 stop7h 24m

$288

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Sun 8/25

1 stop6h 19m

Harlingen Valley Intl

Wed 8/28

1 stop6h 39m

$313

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Sat 5/18

1 stop4h 45m

Harlingen Valley Intl

Sat 5/25

1 stop7h 23m

$349

Denver IntlHarlingen Valley Intl

DEN - HRL

DENHRL

Denver Intl

Sat 4/13

2 stops10h 22m

Harlingen Valley Intl

Tue 4/16

1 stop7h 24m

$361

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Denver to Harlingen, Texas?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Harlingen. Price data was last updated on January 28, 2024.
The best time to book flights from Denver to Harlingen, Texas is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Denver to Harlingen, Texas?

Use this chart to determine the cheapest time to fly round-trip from Denver to Harlingen. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Harlingen, Texas flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Harlingen by month

Plan your trip from Denver to Harlingen by taking into account the cheapest months to travel. The average price of a one-way flight from Denver to Harlingen is currently $0 while a round-trip flight costs $282. Price data was last updated on March 10, 2024.

Currently, January is the cheapest month in which you can book a flight from Denver to Harlingen, Texas (average of $276). Flying from Denver to Harlingen, Texas in June is currently the most expensive (average of $472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$276

February

$302

March

$377

April

$337

May

$463

June

$472

July

$462

August

$364

September

$371

October

$364

November

$383

December

$341

Temperature and rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature and rainfall totals by month.

HRL

Temperature

60.8 - 84.2 °F

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Denver to Harlingen, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
11,602 reviews

Entertainment

7.1

Food

6.7

Comfort

7.2

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.4
Good
11,602 reviews
7.4
Good
11,602 reviews

Entertainment

7.1

Food

6.7

Comfort

7.2

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.3
Good
15,298 reviews
7.4
Good
11,602 reviews

Entertainment

7.1

Food

6.7

Comfort

7.2

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

Related info for your journey

Find useful and relevant information for your journey from Denver to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Denver to Harlingen, Texas for under $300 on Cheapflights?

    Yes, there are multiple flights from Denver to Harlingen, Texas for under $300. The cheapest flight booked recently is on Multiple Airlines for just $219, but on average you can expect to pay $400.

  • Are there last-minute flights available from Denver to Harlingen, Texas for under $400?

    There are currently 3+ open flights from Denver to Harlingen, Texas within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Denver to Harlingen, Texas round-trip?

    American Airlines, at $228, was found to be the cheapest airline from Denver to Harlingen, Texas. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 51% below the average price you’ll pay for this route.

  • What does DEN to HRL mean?

    DEN stands for Denver Intl Airport, while HRL stands for Harlingen Valley Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Denver to Harlingen
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Denver to Harlingen

Discover the top 2 airlines that operate flights from Denver to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$222Average$387FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$289Average$448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Denver to Harlingen by cabin class

Find flights from Denver to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Weekly flight availability from Denver to Harlingen

Explore weekly flight availability from Denver to Harlingen. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday1daily flight

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Harlingen?

Cheapflights helps you search for flights from Denver to Harlingen via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Harlingen?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to Harlingen.

Can Cheapflights find flights from Denver to Harlingen with no change fees?

Yes, we can. To see specific flights from Denver to Harlingen with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Denver to Harlingen become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Harlingen from Denver today and book when prices fit your budget.

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