Cheap flights from Harlingen to Denver (HRL - DEN) from $153

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
HRL — DEN
oct. 3 — oct. 101

The best prices from Harlingen Valley Intl to Denver Intl are usually found in July or June, booked 35 days in advance, depart on a Monday or Friday and return on a Tuesday

How to find the cheapest flight from Harlingen (HRL) to Denver (DEN)

All the information you need to plan the best HRL to DEN flight in 2023: compare Harlingen to Denver flight prices with the expected peak season, weather and rainfall in Denver.

Popular in

March

Cheapest in

July

Average price

$471

Round-trip from

$197
High demand for flights, 19% potential price rise
Best time to find cheap flights, 27% potential price drop
Average for round-trip flights in September 2023
From Harlingen Valley Intl to Denver Intl

HRL - DEN

Price

$197 - $392

DEN

Temperature

30.2 - 73.4 °F

DEN

Rainfall

0.5 - 2.3 inches

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

Travelers have found that booking a Sunday departure is the best way to save up to 184% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 36 days in advance to save up to 36% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 36 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Harlingen, Texas to Denver 1-2 weeks in advance for as low as $443, or $470 for flights within the next 24 hours.

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

July can be a great time to fly to Denver from Harlingen, Texas with a flight ticket averaging about $451. Cheapflights users have found deals in the month of July for as cheap as $151. The most expensive prices can be found in the month of March.

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

It’s optimal to fly from Harlingen, Texas to Denver at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Cheap Delta flights from Harlingen to Denver

Consider these cheap Delta flights we've found departing from Harlingen to Denver. Deals update often to give you more flight options matching your criteria

Cheap United Airlines flights from Harlingen to Denver

Take a gander at the lowest prices we've found on United Airlines flights from Harlingen to Denver. Make sure to examine the flight information before completing your reservation.

Harlingen to Denver 2023 flight deals

Cheap flights to Denver from Harlingen found for this year
These are some of the most attractive deals on flights from Harlingen to Denver in 2023. Check back in a little while for more flight options.

One-way flights to Denver from Harlingen

The cheapest one-way flights from Harlingen to Denver
Users in need of a one-way flight from Harlingen to Denver can choose from these deals. Those seeking round-trip flights from Harlingen to Denver should utilize the search form at the the top of the page.

Find flights from Harlingen to Denver within your budget

Use the slider to find flights from Harlingen to Denver that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$335 - $496

Route

Depart

Return

Price

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

mié. 1/24

1 stop8h 46m

Denver Intl

dom. 1/28

1 stop7h 50m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

sáb. 11/4

1 stop7h 33m

Denver Intl

lun. 11/6

2 stops13h 37m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

mié. 1/24

2 stops16h 29m

Denver Intl

dom. 1/28

1 stop4h 21m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/16

1 stop9h 44m

Denver Intl

vie. 11/17

1 stop23h 53m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/16

1 stop9h 58m

Denver Intl

mar. 11/28

2 stops10h 45m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

sáb. 11/4

2 stops10h 44m

Denver Intl

lun. 11/6

2 stops10h 43m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 11/16

1 stop19h 00m

Denver Intl

vie. 11/17

2 stops10h 24m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 1/11

2 stops11h 54m

Denver Intl

dom. 1/14

1 stop5h 26m

Harlingen Valley IntlDenver Intl

HRL - DEN

HRLDEN

Harlingen Valley Intl

jue. 12/21

1 stop8h 57m

Denver Intl

mié. 12/27

1 stop7h 23m

Flights are sorted by cheapest first

Deals found on 9/28

Reviews of airlines servicing Denver

Read reviews from past customers who have flown Delta and United Airlines from Harlingen to Denver. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Overall

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Overall

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Overall

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Overall

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

Useful info, stats and facts about Harlingen to Denver flights.

Can I find flights from Harlingen, Texas to Denver for under $400 on Cheapflights?

Yes, there are multiple flights from Harlingen, Texas to Denver for under $400. The cheapest flight booked recently is on Delta for just $335, but on average you can expect to pay $495.

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

Our cheapest airline available from Harlingen, Texas to Denver is Delta. Our recent data shows that you can find tickets from as low as $335 on this airline. An additional option worth looking into is United Airlines, starting at $365. Delta is 25% cheaper than the average price of flights available within the next 90 days to this destination.

What does HRL to DEN mean?

This is defined as Harlingen Valley Intl Airport (HRL) and Denver Intl Airport (DEN). Codes like Denver Intl Airport are often used to just call airports uniquely.

Alternative routes for Harlingen to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Harlingen to Denver

The chart below displays the airlines Cheapflights users traveling from Harlingen to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$257Average$477FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$310Average$486FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Hourly flight availability from Harlingen to Denver

See what time of day planes typically take off from Harlingen to Denver
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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