$129+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HRL
Sep 21 — Sep 281
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Portland to HarlingenExplore 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 August 22, 2026.
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 August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/116:00 am -
1 stop7h 05m
Sun 9/135:51 am -
1 stop7h 08m
Deal found 8/21![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 12/1511:49 pm -
1 stop8h 25m
Tue 12/225:44 am -
1 stop16h 04m
Deal found 8/18![American Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:55 am -
2 stops8h 25m
Tue 12/225:45 pm -
2 stops9h 25m
Deal found 8/18![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/181:00 pm -
1 stop6h 52m
Sun 9/205:05 am -
2 stops11h 35m
Deal found 8/18![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 9/41:38 pm -
1 stop7h 16m
Tue 9/86:43 pm -
1 stop6h 26m
Deal found 8/20![American Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/107:29 pm -
2 stops18h 30m
Wed 10/142:00 pm -
1 stop7h 16m
Deal found 8/17![United Airlines logo]()
$490
Best flights from Portland to HarlingenDiscover carefully curated flight deals from Portland to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Portland to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/116:00 am -
1 stop7h 05m
Sun 9/135:51 am -
1 stop7h 08m
Deal found 8/21![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:55 am -
2 stops8h 25m
Tue 12/225:45 pm -
2 stops9h 25m
Deal found 8/18![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/181:00 pm -
1 stop6h 52m
Sun 9/205:05 am -
2 stops11h 35m
Deal found 8/18![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 12/1511:49 pm -
1 stop8h 25m
Tue 12/225:44 am -
1 stop16h 04m
Deal found 8/18![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 10/107:29 pm -
2 stops18h 30m
Wed 10/142:00 pm -
1 stop7h 16m
Deal found 8/20![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/117:10 am -
1 stop6h 49m
Sun 9/135:18 pm -
2 stops20h 42m
Deal found 8/20![United Airlines logo]()
$530
Last-minute flights from Portland to HarlingenDiscover last-minute flight deals from Portland to Harlingen. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Harlingen. Data last updated August 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 9/41:38 pm -
1 stop7h 16m
Tue 9/86:43 pm -
1 stop6h 26m
Deal found 8/20![American Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:55 am -
2 stops9h 45m
Tue 9/81:45 pm -
2 stops10h 15m
Deal found 8/20![Southwest logo]()
$504
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/116:00 am -
1 stop7h 05m
Sun 9/135:51 am -
1 stop7h 08m
Deal found 8/21![American Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/111:00 pm -
1 stop6h 52m
Sun 9/135:18 pm -
2 stops18h 53m
Deal found 8/17![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/181:00 pm -
1 stop6h 52m
Sun 9/205:05 am -
2 stops11h 35m
Deal found 8/18![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:01 pm -
1 stop19h 57m
Sun 9/204:53 pm -
1 stop8h 30m
Deal found 8/17![American Airlines logo]()
$505
One-way flights from Portland to HarlingenSearch for one-way flight options from Portland to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Portland to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/197:03 am -
1 stop6h 56m
Deal found 8/17![United Airlines logo]()
$129
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 pm -
1 stop8h 19m
Deal found 8/17![American Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:00 pm -
2 stops7h 55m
Deal found 8/17![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops8h 00m
Deal found 8/17![Southwest logo]()
$238
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/131:03 pm -
3 stops24h 56m
Deal found 8/17![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/141:03 pm -
3 stops24h 56m
Deal found 8/17![United Airlines logo]()
$454
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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (American Airlines) |
One-way from | $129 (United Airlines) |
Popular in | March |
Cheapest in | December |
Average price | $642 |
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 7,457,451 searches. Data last updated August 22, 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
Cheapest round-trip
Quickest round-trip
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Fri 9/11
6:00 am-3:05 pm
1 stop7h 05m
Harlingen Valley Intl
Sun 9/13
5:51 am-10:59 am
1 stop7h 08m
$377
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Tue 12/15
11:49 pm-10:14 am
1 stop8h 25m
Harlingen Valley Intl
Tue 12/22
5:44 am-7:48 pm
1 stop16h 04m
$380
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Tue 12/15
6:55 am-5:20 pm
2 stops8h 25m
Harlingen Valley Intl
Tue 12/22
5:45 pm-1:10 am
2 stops9h 25m
$411
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Fri 9/18
1:00 pm-9:52 pm
1 stop6h 52m
Harlingen Valley Intl
Sun 9/20
5:05 am-2:40 pm
2 stops11h 35m
$412
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Sat 10/10
7:29 pm-3:59 pm
2 stops18h 30m
Harlingen Valley Intl
Wed 10/14
2:00 pm-7:16 pm
1 stop7h 16m
$490
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Fri 9/11
7:10 am-3:59 pm
1 stop6h 49m
Harlingen Valley Intl
Sun 9/13
5:18 pm-12:00 pm
2 stops20h 42m
$530
Cheapest one-way
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Tue 10/13
11:49 pm-10:08 am
1 stop8h 19m
$158
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Sat 9/19
5:00 am-7:39 pm
2 stops12h 39m
$180
Quickest one-way
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Wed 10/14
12:00 pm-9:55 pm
2 stops7h 55m
$234
PortlandHarlingen
PDX Portland - HRL Harlingen Valley Intl
PDXHRL
Portland
Tue 10/13
6:00 am-4:00 pm
2 stops8h 00m
$238
Showing 1-10 of 11 resultsSorted 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-HRL
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.
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 August 22, 2026.
Peruse reviews from past customers who have flown with 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.
Entertainment
6.8
Food
6.4
Boarding
7.5
Overall
7.1
Crew
7.9
Comfort
7.2
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Entertainment
6.8
Food
6.4
Boarding
7.5
Overall
7.1
Crew
7.9
Comfort
7.2
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Harlingen flight routes
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Harlingen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Harlingen by cabin class
Find flights from Portland to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Portland and Harlingen flights
Browse other Portland and Harlingen flight options. Last updated on August 22, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Harlingen
Discover the top airline 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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$374 | FlexibilityNo cancel fee | On-time71% |