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Cheap flights from Portland to Harlingen from $251

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Harlingen departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Harlingen

Cheap round-trip flights

American Airlines Logo
7:39 am - 6:05 pmPDX-HRL
8h 26m1 stop
American Airlines Logo
5:45 am - 10:52 amHRL-PDX
7h 07m1 stop
$251American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
6:07 am - 6:05 pmPDX-HRL
9h 58m2 stops
American Airlines Logo
5:45 am - 10:52 amHRL-PDX
7h 07m1 stop
$256American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
6:07 am - 6:05 pmPDX-HRL
9h 58m2 stops
American Airlines Logo
2:51 pm - 12:05 amHRL-PDX
11h 14m2 stops
$261American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
7:38 am - 5:39 pmPDX-HRL
8h 01m1 stop
American Airlines Logo
6:10 pm - 11:23 pmHRL-PDX
7h 13m1 stop
$262American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
2:07 pm - 11:11 pmPDX-HRL
7h 04m1 stop
American Airlines Logo
6:10 pm - 11:23 pmHRL-PDX
7h 13m1 stop
$267American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
United Airlines Logo
7:10 am - 3:34 pmPDX-HRL
6h 24m1 stop
United Airlines Logo
5:15 am - 11:49 amHRL-PDX
8h 34m1 stop
$341United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
7:10 am - 3:34 pmPDX-HRL
6h 24m1 stop
United Airlines Logo
2:00 pm - 12:19 amHRL-PDX
12h 19m2 stops
$346United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
1:00 pm - 11:04 amPDX-HRL
20h 04m2 stops
United Airlines Logo
12:16 pm - 10:52 pmHRL-PDX
12h 36m2 stops
$388United Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
12:55 am - 2:29 pmPDX-HRL
11h 34m1 stop
Delta Logo
3:00 pm - 8:37 amHRL-PDX
19h 37m2 stops
$944Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Delta Logo
12:55 am - 2:29 pmPDX-HRL
11h 34m1 stop
Delta Logo
3:00 pm - 9:19 amHRL-PDX
20h 19m2 stops
$953Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11

United Airlines flights from Portland to Harlingen, Texas

Our best United Airlines deals on Portland to Harlingen, Texas flight tickets
United Airlines
Mar 10
PDX7:10 amPortland
6h 24m
1 stop
HRL3:34 pmHarlingen Valley Intl
Mar 11
HRL5:15 amHarlingen Valley Intl
8h 34m
1 stop
PDX11:49 amPortland
$341
Find similar
United Airlines
Mar 10
PDX7:10 amPortland
6h 24m
1 stop
HRL3:34 pmHarlingen Valley Intl
Mar 11
HRL2:00 pmHarlingen Valley Intl
12h 19m
2 stops
PDX12:19 amPortland
$346
Find similar
United Airlines
Dec 6
PDX1:00 pmPortland
20h 04m
2 stops
HRL11:04 amHarlingen Valley Intl
Dec 13
HRL12:16 pmHarlingen Valley Intl
12h 36m
2 stops
PDX10:52 pmPortland
$388
Find similar

American Airlines flights from Portland to Harlingen, Texas

Our best American Airlines deals on Portland to Harlingen, Texas flight tickets
American Airlines
Sep 30
PDX7:39 amPortland
8h 26m
1 stop
HRL6:05 pmHarlingen Valley Intl
Oct 4
HRL5:45 amHarlingen Valley Intl
7h 07m
1 stop
PDX10:52 amPortland
$251
Find similar
American Airlines
Sep 30
PDX6:07 amPortland
9h 58m
2 stops
HRL6:05 pmHarlingen Valley Intl
Oct 4
HRL5:45 amHarlingen Valley Intl
7h 07m
1 stop
PDX10:52 amPortland
$256
Find similar
American Airlines
Sep 30
PDX6:07 amPortland
9h 58m
2 stops
HRL6:05 pmHarlingen Valley Intl
Oct 4
HRL2:51 pmHarlingen Valley Intl
11h 14m
2 stops
PDX12:05 amPortland
$261
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Harlingen, Texas 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Portland to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/30

7:39 am-6:05 pm

1 stop8h 26m

Harlingen Valley Intl

Sat 10/4

5:45 am-10:52 am

1 stop7h 07m

$251

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/30

6:07 am-6:05 pm

2 stops9h 58m

Harlingen Valley Intl

Sat 10/4

5:45 am-10:52 am

1 stop7h 07m

$256

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/30

6:07 am-6:05 pm

2 stops9h 58m

Harlingen Valley Intl

Sat 10/4

2:51 pm-12:05 am

2 stops11h 14m

$261

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 12/6

7:38 am-5:39 pm

1 stop8h 01m

Harlingen Valley Intl

Sat 12/13

6:10 pm-11:23 pm

1 stop7h 13m

$262

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 12/6

2:07 pm-11:11 pm

1 stop7h 04m

Harlingen Valley Intl

Sat 12/13

6:10 pm-11:23 pm

1 stop7h 13m

$267

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 3/10

7:10 am-3:34 pm

1 stop6h 24m

Harlingen Valley Intl

Wed 3/11

5:15 am-11:49 am

1 stop8h 34m

$341

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 3/10

7:10 am-3:34 pm

1 stop6h 24m

Harlingen Valley Intl

Wed 3/11

2:00 pm-12:19 am

2 stops12h 19m

$346

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 12/6

1:00 pm-11:04 am

2 stops20h 04m

Harlingen Valley Intl

Sat 12/13

12:16 pm-10:52 pm

2 stops12h 36m

$388

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Mon 3/9

12:55 am-2:29 pm

1 stop11h 34m

Harlingen Valley Intl

Wed 3/11

3:00 pm-8:37 am

2 stops19h 37m

$944

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Mon 3/9

12:55 am-2:29 pm

1 stop11h 34m

Harlingen Valley Intl

Wed 3/11

3:00 pm-9:19 am

2 stops20h 19m

$953

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Harlingen from

How to get the cheapest flight ticket from Portland to Harlingen, Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Harlingen, Texas?

The month of September is, on average, the cheapest month to fly to Harlingen, Texas from Portland, with most prices found around $158. If you are unable to visit Harlingen, Texas during the month of September, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $258.

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Tuesday when prices can be found for as low as $316. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Harlingen, Texas for around $592.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the evening. Flights from Portland to Harlingen, Texas during this time can be as low as $342. Flights in the morning are often more expensive with an average ticket price of $383.

When to book flights from Portland to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Harlingen, Texas (PDX to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Harlingen, Texas

Direct flights

None
There are no direct flights from Portland to Harlingen, Texas. There are no popular flight routes from Portland to Harlingen, Texas.
Search flight deals

  • How far is Portland to Harlingen Valley Intl by plane?

    A flight from Portland to Harlingen Valley Intl will travel around 1917.6 mi. Flights usually cover this in 6h 24m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Harlingen Valley Intl Airport?

    Prices for flights from Portland Airport to Harlingen Valley Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Portland Airport to Harlingen Valley Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents you'll need for your trip to Harlingen Valley Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Harlingen, Texas?

Best airlines flying from Portland to Harlingen, Texas

Compare and see reviews for airlines that fly from Portland to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Harlingen?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Harlingen. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Harlingen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Harlingen from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Harlingen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Portland.

I’m not ready to book a flight from Portland to Harlingen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Harlingen from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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