$261+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HRL
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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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
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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 September 8, 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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/108:49 am -
2 stops11h 58m
Wed 11/115:05 am -
2 stops8h 22m
Deal found 9/7![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 9/265:40 am -
2 stops11h 10m
Wed 9/306:35 am -
2 stops13h 40m
Deal found 9/7![Southwest logo]()
$546
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 12/215:25 am -
2 stops10h 35m
Sun 12/275:40 am -
2 stops10h 00m
Deal found 9/8![Southwest logo]()
$643
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 9/267:00 am -
2 stops10h 58m
Wed 9/305:51 am -
1 stop11h 55m
Deal found 9/7![American Airlines logo]()
$680
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 9/195:40 am -
2 stops11h 10m
Wed 9/2312:35 pm -
2 stops8h 35m
Deal found 9/7![Southwest logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/266:00 am -
2 stops10h 59m
Wed 9/307:15 am -
3 stops11h 09m
Deal found 9/7![United Airlines logo]()
$805
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 9/199:00 am -
1 stop7h 05m
Wed 9/235:51 am -
2 stops9h 00m
Deal found 9/7![American Airlines logo]()
$928
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/199:49 am -
3 stops10h 50m
Wed 9/237:15 am -
2 stops10h 14m
Deal found 9/7![United Airlines logo]()
$1,101
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/236:06 am -
2 stops10h 53m
Wed 9/305:05 am -
2 stops8h 33m
Deal found 9/7![United Airlines logo]()
$1,236
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/215:41 am -
2 stops13h 10m
Sun 12/2710:44 am -
3 stops11h 21m
Deal found 9/8![American Airlines logo]()
$1,300
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 September 8, 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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/108:49 am -
2 stops11h 58m
Wed 11/115:05 am -
2 stops8h 22m
Deal found 9/7![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 12/215:25 am -
2 stops10h 35m
Sun 12/275:40 am -
2 stops10h 00m
Deal found 9/8![Southwest logo]()
$643
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 9/199:00 am -
1 stop7h 05m
Wed 9/235:51 am -
1 stop11h 55m
Deal found 9/7![American Airlines logo]()
$1,401
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/266:00 am -
2 stops10h 59m
Wed 9/307:15 am -
3 stops11h 09m
Deal found 9/7![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/236:06 am -
2 stops10h 53m
Wed 9/305:05 am -
2 stops8h 33m
Deal found 9/7![United Airlines logo]()
$1,236
This American Airlines deal was found by Cheapflights users on 9/6. 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 9/236:00 am -
2 stops10h 05m
Wed 9/3010:45 am -
1 stop7h 01m
Deal found 9/6![American Airlines logo]()
$1,606
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/225:15 am -
2 stops9h 09m
Sat 9/265:05 am -
2 stops8h 33m
Deal found 9/5![United Airlines logo]()
$1,353
Last-minute flights from Portland to HarlingenDiscover last-minute flight deals from Portland to Harlingen. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Harlingen. Data last updated September 8, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 9/195:40 am -
2 stops11h 10m
Wed 9/2312:35 pm -
2 stops8h 35m
Deal found 9/7![Southwest logo]()
$771
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 9/199:00 am -
1 stop7h 05m
Wed 9/235:51 am -
2 stops9h 00m
Deal found 9/7![American Airlines logo]()
$928
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/199:49 am -
3 stops10h 50m
Wed 9/237:15 am -
2 stops10h 14m
Deal found 9/7![United Airlines logo]()
$1,101
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/225:15 am -
2 stops9h 09m
Sat 9/265:05 am -
2 stops8h 33m
Deal found 9/5![United Airlines logo]()
$1,353
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/236:06 am -
2 stops10h 53m
Wed 9/305:05 am -
2 stops8h 33m
Deal found 9/7![United Airlines logo]()
$1,236
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 9/265:40 am -
2 stops11h 10m
Wed 9/306:35 am -
2 stops13h 40m
Deal found 9/7![Southwest logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 9/267:00 am -
2 stops10h 58m
Wed 9/305:51 am -
1 stop11h 55m
Deal found 9/7![American Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/266:00 am -
2 stops10h 59m
Wed 9/307:15 am -
3 stops11h 09m
Deal found 9/7![United Airlines logo]()
$805
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 September 8, 2026.
Search for one-way flight options from Portland to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Southwest deal was found by Cheapflights users on 9/7. 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 9/151:05 pm -
2 stops9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$261
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/159:00 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/156:00 am -
2 stops10h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 9/143:40 pm -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 9/149:49 am -
2 stops10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$485
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $470 (United Airlines) |
One-way from | $261 (Southwest) |
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 September 8, 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
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Tue 9/15
1:05 pm-9:50 pm
2 stops9h 45m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$261
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Tue 9/15
6:00 am-3:59 pm
2 stops10h 59m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$325
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Tue 11/10
8:49 am-7:47 pm
2 stops11h 58m
Harlingen Valley Intl
Wed 11/11
5:05 am-2:27 pm
2 stops8h 22m
$470
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Mon 9/14
9:49 am-7:39 pm
2 stops10h 50m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$485
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Mon 12/21
5:25 am-3:00 pm
2 stops10h 35m
Harlingen Valley Intl
Sun 12/27
5:40 am-4:40 pm
2 stops10h 00m
$643
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Sat 9/26
6:00 am-3:59 pm
2 stops10h 59m
Harlingen Valley Intl
Wed 9/30
7:15 am-7:24 pm
3 stops11h 09m
$805
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Wed 9/23
6:06 am-3:59 pm
2 stops10h 53m
Harlingen Valley Intl
Wed 9/30
5:05 am-2:38 pm
2 stops8h 33m
$1,236
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Tue 9/22
5:15 am-1:24 pm
2 stops9h 09m
Harlingen Valley Intl
Sat 9/26
5:05 am-2:38 pm
2 stops8h 33m
$1,353
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Sat 9/19
9:00 am-3:05 pm
1 stop7h 05m
Harlingen Valley Intl
Wed 9/23
5:51 am-6:46 pm
1 stop11h 55m
$1,401
PortlandHarlingen
PWM Portland - HRL Harlingen Valley Intl
PWMHRL
Portland
Wed 9/23
6:00 am-3:05 pm
2 stops10h 05m
Harlingen Valley Intl
Wed 9/30
10:45 am-6:46 pm
1 stop7h 01m
$1,606
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
PWM-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.
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.
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