HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$128+ Cheap flights from Portland to Harlingen (PDX - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HRL
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Harlingen

Cheapest flights from Portland to Harlingen
Explore the most affordable flight options available from Portland to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/17. 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 5/511:59 pm
PDX
-
HRL
1 stop9h 24m
United Airlines
Sat 5/95:18 pm
HRL
-
PDX
1 stop7h 41m
United Airlines
Deal found 4/17$272
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/511:59 pm
PDX
-
HRL
1 stop9h 24m
United Airlines
Wed 5/135:18 pm
HRL
-
PDX
1 stop7h 41m
United Airlines
Deal found 4/15$307
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:59 am
PDX
-
HRL
1 stop7h 18m
American Airlines
Fri 5/228:04 pm
HRL
-
PDX
1 stop6h 45m
American Airlines
Deal found 4/14$331
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:43 pm
PDX
-
HRL
1 stop8h 30m
American Airlines
Wed 7/298:04 pm
HRL
-
PDX
1 stop6h 46m
American Airlines
Deal found 4/14$353

Find flight deals from Portland to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$272
(United Airlines)

One-way from

$128
(American Airlines)

Popular in

August

Cheapest in

September

Average price

$238
Provider with most accurate pricing for Portland-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Harlingen Valley Intl flights.
Search Deals
From Portland to Harlingen Valley Intl
Search Deals
One-way flight from Portland to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 2,558,603 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Portland to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

11:59 pm-11:23 am

1 stop9h 24m

Harlingen Valley Intl

Sat 5/9

5:18 pm-10:59 pm

1 stop7h 41m

$272
Quickest round-trip

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Wed 6/24

1:02 pm-9:54 pm

1 stop6h 52m

Harlingen Valley Intl

Wed 7/29

5:10 am-12:07 pm

2 stops8h 57m

$408

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

11:15 am-10:00 pm

2 stops8h 45m

Harlingen Valley Intl

Wed 5/13

4:40 pm-11:00 pm

2 stops8h 20m

$412
Cheapest one-way
Quickest one-way

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 6/9

11:43 pm-10:13 am

1 stop8h 30m

$128

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

11:40 pm-10:17 am

1 stop8h 37m

$145

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 6/27

5:15 am-4:30 pm

2 stops9h 15m

$263

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

5:30 am-9:59 pm

3 stops14h 29m

$350

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 6/9

5:15 am-7:49 pm

3 stops12h 34m

$398

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 6/27

8:35 am-3:59 pm

3 stops29h 24m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Sorted by cheapest first

Compare providers for flights from Portland to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Harlingen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Harlingen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Harlingen

What is the cheapest month to book a flight from Portland to Harlingen?

Currently, September is the cheapest month in which you can book a flight from Portland to Harlingen (average of $158). Flying from Portland to Harlingen in August is currently the most expensive (average of $850). 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.

How much does it cost to fly round-trip from Portland to Harlingen?

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 April 18, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Portland to Harlingen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,605 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,605 reviews
United Airlines
7.4
Good
9,605 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,604 reviews
United Airlines
7.4
Good
9,605 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Portland to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Harlingen?

    A quick flight from Portland to Harlingen can take about 9h 24m. United Airlines provides one of the quickest options available for as low as $272. There are 1917 mi between Portland and Harlingen.

  • What are the cheapest airlines flying from Portland to Harlingen round-trip?

    According to our current data, American Airlines ($158), and United Airlines ($238) offers the cheapest pricing from Portland to Harlingen. American Airlines is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Portland to Harlingen that include hotel bookings?

    Yes. In addition to deals on Portland to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Harlingen.

  • Can I find deals for business class flights from Portland to Harlingen?

    Yes. Cheapflights offers flight deals from Portland to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Harlingen?

    Currently, September is the cheapest month in which you can book a flight from Portland to Harlingen (average of $158). Flying from Portland to Harlingen in August is currently the most expensive (average of $850). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Portland to Harlingen

Discover the top 2 airlines that operate flights from Portland 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 2,558,603 searches. Data last updated April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$399FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.