$225+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HRL
Aug 5 — Aug 121
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
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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
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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 July 6, 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 July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/1. 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 9/25:50 am
PDX
- HRL
2 stops8h 55m
Southwest
Mon 9/75:30 am
HRL
- PDX
2 stops8h 35m
Southwest
Deal found 7/1![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/27:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Mon 9/75:18 pm
HRL
- PDX
1 stop7h 41m
United Airlines
Deal found 7/1![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Thu 8/275:30 am
HRL
- PDX
2 stops9h 55m
Southwest
Deal found 7/6![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 8/136:05 am
PDX
- HRL
2 stops9h 10m
Southwest
Thu 8/2011:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Deal found 7/2![Southwest logo]()
$420
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 8/135:18 am
PDX
- HRL
1 stop9h 09m
American Airlines
Thu 8/205:54 am
HRL
- PDX
1 stop7h 00m
American Airlines
Deal found 7/2![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/610:43 am
PDX
- HRL
2 stops9h 09m
United Airlines
Mon 10/125:18 pm
HRL
- PDX
1 stop7h 03m
United Airlines
Deal found 7/3![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 7/2. 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 7/175:00 am
PDX
- HRL
2 stops10h 00m
Southwest
Tue 7/215:00 pm
HRL
- PDX
2 stops9h 10m
Southwest
Deal found 7/2![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 7/3. 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 7/175:00 am
PDX
- HRL
2 stops10h 00m
Southwest
Mon 7/205:35 pm
HRL
- PDX
2 stops9h 50m
Southwest
Deal found 7/3![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Thu 8/275:18 pm
HRL
- PDX
2 stops33h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Thu 8/205:18 am
PDX
- HRL
1 stop9h 09m
American Airlines
Thu 8/275:04 pm
HRL
- PDX
1 stop8h 05m
American Airlines
Deal found 7/6![American Airlines logo]()
$511
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 July 6, 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 July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/1. 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 9/25:50 am
PDX
- HRL
2 stops8h 55m
Southwest
Mon 9/75:30 am
HRL
- PDX
2 stops8h 35m
Southwest
Deal found 7/1![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/610:43 am
PDX
- HRL
2 stops9h 09m
United Airlines
Mon 10/125:18 pm
HRL
- PDX
1 stop7h 03m
United Airlines
Deal found 7/3![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/175:07 am
PDX
- HRL
1 stop9h 16m
American Airlines
Tue 7/214:58 pm
HRL
- PDX
1 stop6h 31m
American Airlines
Deal found 7/2![American Airlines logo]()
$619
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Thu 8/275:30 am
HRL
- PDX
2 stops9h 55m
Southwest
Deal found 7/6![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/25:00 am
PDX
- HRL
2 stops8h 59m
United Airlines
Mon 9/75:18 pm
HRL
- PDX
1 stop7h 41m
United Airlines
Deal found 7/1![United Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 7/2. 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 7/175:00 am
PDX
- HRL
2 stops10h 00m
Southwest
Tue 7/215:00 pm
HRL
- PDX
2 stops9h 10m
Southwest
Deal found 7/2![Southwest logo]()
$470
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Thu 8/275:18 pm
HRL
- PDX
2 stops33h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$490
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sun 7/265:00 am
PDX
- HRL
2 stops9h 00m
Southwest
Sun 8/25:40 am
HRL
- PDX
2 stops8h 35m
Southwest
Deal found 7/3![Southwest logo]()
$573
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/227:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Tue 8/251:59 pm
HRL
- PDX
2 stops10h 46m
United Airlines
Deal found 7/2![United Airlines logo]()
$592
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:35 am
PDX
- HRL
2 stops9h 10m
Southwest
Fri 7/245:35 pm
HRL
- PDX
2 stops9h 50m
Southwest
Deal found 7/5![Southwest logo]()
$613
Last-minute flights from Portland to HarlingenDiscover last-minute flight deals from Portland to Harlingen. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Harlingen. Data last updated July 6, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/2. 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 7/175:00 am
PDX
- HRL
2 stops10h 00m
Southwest
Tue 7/215:00 pm
HRL
- PDX
2 stops9h 10m
Southwest
Deal found 7/2![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 7/3. 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 7/175:00 am
PDX
- HRL
2 stops10h 00m
Southwest
Mon 7/205:35 pm
HRL
- PDX
2 stops9h 50m
Southwest
Deal found 7/3![Southwest logo]()
$479
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/175:07 am
PDX
- HRL
1 stop9h 16m
American Airlines
Mon 7/208:04 pm
HRL
- PDX
1 stop6h 51m
American Airlines
Deal found 7/3![American Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 7/2611:41 pm
PDX
- HRL
1 stop8h 31m
American Airlines
Sun 8/28:04 pm
HRL
- PDX
1 stop6h 51m
American Airlines
Deal found 7/3![American Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sun 7/265:00 am
PDX
- HRL
2 stops9h 00m
Southwest
Sun 8/25:40 am
HRL
- PDX
2 stops8h 35m
Southwest
Deal found 7/3![Southwest logo]()
$573
This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 8/136:05 am
PDX
- HRL
2 stops9h 10m
Southwest
Thu 8/2011:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Deal found 7/2![Southwest logo]()
$420
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 8/135:18 am
PDX
- HRL
1 stop9h 09m
American Airlines
Thu 8/205:54 am
HRL
- PDX
1 stop7h 00m
American Airlines
Deal found 7/2![American Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Thu 8/275:30 am
HRL
- PDX
2 stops9h 55m
Southwest
Deal found 7/6![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Thu 8/275:18 pm
HRL
- PDX
2 stops33h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Thu 8/205:18 am
PDX
- HRL
1 stop9h 09m
American Airlines
Thu 8/275:04 pm
HRL
- PDX
1 stop8h 05m
American Airlines
Deal found 7/6![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/227:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Tue 8/251:59 pm
HRL
- PDX
2 stops10h 46m
United Airlines
Deal found 7/2![United Airlines logo]()
$592
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 July 6, 2026.
Search for one-way flight options from Portland to Harlingen. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/3. 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 7/215:15 am
PDX
- HRL
2 stops9h 00m
Southwest
Deal found 7/3![Southwest logo]()
$225
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/215:07 am
PDX
- HRL
1 stop9h 16m
American Airlines
Deal found 7/3![American Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/215:15 am
PDX
- HRL
3 stops14h 39m
United Airlines
Deal found 7/3![United Airlines logo]()
$499
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Southwest) |
One-way from | $225 (Southwest) |
Popular in | August |
Cheapest in | September |
Average price | $440 |
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 6, 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
PDX - HRL
PDXHRL
Portland
Wed 9/2
5:50 am-4:45 pm
2 stops8h 55m
Harlingen Valley Intl
Mon 9/7
5:30 am-12:05 pm
2 stops8h 35m
$323
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Thu 8/20
5:15 am-4:05 pm
2 stops8h 50m
Harlingen Valley Intl
Thu 8/27
5:30 am-1:25 pm
2 stops9h 55m
$369
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Tue 10/6
10:43 am-9:52 pm
2 stops9h 09m
Harlingen Valley Intl
Mon 10/12
5:18 pm-10:21 pm
1 stop7h 03m
$461
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Fri 7/17
5:00 am-5:00 pm
2 stops10h 00m
Harlingen Valley Intl
Tue 7/21
5:00 pm-12:10 am
2 stops9h 10m
$470
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Wed 9/2
5:00 am-3:59 pm
2 stops8h 59m
Harlingen Valley Intl
Mon 9/7
5:18 pm-10:59 pm
1 stop7h 41m
$471
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Thu 8/20
7:10 am-3:59 pm
1 stop6h 49m
Harlingen Valley Intl
Thu 8/27
5:18 pm-12:37 am
2 stops33h 19m
$490
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Sun 7/26
5:00 am-4:00 pm
2 stops9h 00m
Harlingen Valley Intl
Sun 8/2
5:40 am-12:15 pm
2 stops8h 35m
$573
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Sat 8/22
7:10 am-3:59 pm
1 stop6h 49m
Harlingen Valley Intl
Tue 8/25
1:59 pm-10:45 pm
2 stops10h 46m
$592
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Mon 7/20
10:35 am-9:45 pm
2 stops9h 10m
Harlingen Valley Intl
Fri 7/24
5:35 pm-1:25 am
2 stops9h 50m
$613
Quickest round-trip
PortlandHarlingen
PDX - HRL
PDXHRL
Portland
Fri 7/17
5:07 am-4:23 pm
1 stop9h 16m
Harlingen Valley Intl
Tue 7/21
4:58 pm-9:29 pm
1 stop6h 31m
$619
Showing 1-10 of 12 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 July.
| 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 July 6, 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.
Boarding
7.5
Crew
7.9
Entertainment
6.8
Overall
7.1
Comfort
7.2
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Boarding
7.5
Crew
7.9
Entertainment
6.8
Overall
7.1
Comfort
7.2
Food
6.4
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.
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Alternative routes for Portland to Harlingen
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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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 July 6, 2026.
Portland and Harlingen flights
Browse other Portland and Harlingen flight options. Last updated on July 6, 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 July 6, 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 2,558,603 searches. Data last updated July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$307 | FlexibilityNo cancel fee | On-time71% |