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Harlingen

$470+ Cheap flights from Portland, ME to Harlingen (PWM - HRL)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HRL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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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 July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 11/175:50 am
PWM
-
HRL
2 stops11h 11m
United Airlines
Wed 11/185:05 am
HRL
-
PWM
2 stops8h 11m
United Airlines
Deal found 7/26$470
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.
Fri 8/76:00 am
PWM
-
HRL
2 stops14h 49m
United Airlines
Tue 8/115:15 am
HRL
-
PWM
2 stops8h 23m
United Airlines
Deal found 7/23$909

Find flight deals from Portland to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(United Airlines)
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

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 July 27, 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
Quickest round-trip

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Tue 11/17

5:50 am-4:01 pm

2 stops11h 11m

Harlingen Valley Intl

Wed 11/18

5:05 am-2:16 pm

2 stops8h 11m

$470

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Fri 8/7

6:00 am-7:49 pm

2 stops14h 49m

Harlingen Valley Intl

Tue 8/11

5:15 am-2:38 pm

2 stops8h 23m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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, Maine-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Harlingen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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.

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, Maine to Harlingen?

    Departing from Portland, Maine to Harlingen will take you 11h 11m. Portland, Maine and Harlingen are separated by a distance of 1944 mi.

  • 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.

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