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Harlingen

Find cheap United Airlines flights to Harlingen

RDU — HRL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find United Airlines flight deals to Harlingen

Cheapest United Airlines flights from USA to Harlingen
Explore the most affordable United Airlines flight options available from USA to Harlingen. Find the lowest fares with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:33 am
AUS
-
HRL
1 stop6h 26m
United Airlines
Thu 8/275:18 pm
HRL
-
AUS
1 stop3h 49m
United Airlines
Deal found 7/23$164
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:05 pm
IAH
-
HRL
Nonstop1h 19m
United Airlines
Fri 8/285:18 pm
HRL
-
IAH
Nonstop1h 37m
United Airlines
Deal found 7/23$207
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:36 am
DFW
-
HRL
1 stop3h 48m
United Airlines
Thu 8/205:18 pm
HRL
-
DFW
1 stop4h 20m
United Airlines
Deal found 7/24$217

Flights to Harlingen with United Airlines at a glance

Find detailed information about United Airlines flights from USA to Harlingen. Explore the options provided by United Airlines to plan your journey from USA to Harlingen. Data last updated July 27, 2026.

Popular in

July

Cheapest in

March

Average price

$308

Round-trip from

$164

One-way from

$85

Good one-way deal

$199 or less
Highest demand for flights to Harlingen with United Airlines; 15% potential price increase.
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Best time to find cheap flights to Harlingen with United Airlines; 4% potential price drop.
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Average price for flights to Harlingen with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 8/23-8/27
  • 2 total stops
  • 10h 15m total
  • USA to Harlingen
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United Airlines
  • United Airlines
  • 8/23
  • 1 total stop
  • 6h 26m total
  • USA to Harlingen
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Price to beat on a one-way flight from the United States to Harlingen with United Airlines.
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Cheapflights Insights

Find cheap United Airlines flights to Harlingen

How long is the flight to Harlingen with United Airlines?

On average, United Airlines flights from the United States to Harlingen take 2 hours 46 minutes. Flights to Harlingen from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to Harlingen

The most flights to Harlingen operated by United Airlines are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

FAQs about flights to Harlingen with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to Harlingen?

    United Airlines flights on this route tend to land at Harlingen Valley Intl Airport.

  • Is United Airlines the cheapest airline for a flight to Harlingen?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Harlingen tends to be with Sun Country Air.

  • Are there alternative airlines other than United Airlines that fly to Harlingen?

    American Airlines, Southwest and Delta all fly to Harlingen and offer an alternative to United Airlines.

  • How much is a flight to Harlingen with United Airlines?

    The average price for a return flight with United Airlines is $349; with a one-way flight around $207.

See more FAQs

Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Overview

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Popular United Airlines flights

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