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Cheap flights from Portland to Harlingen from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Harlingen departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:10 am - 3:59 pm
PDX
-
HRL
6h 49m
1 stop
United Airlines Logo
5:18 pm - 11:15 pm
HRL
-
PDX
7h 57m
1 stop
$303United Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
6:00 am - 3:05 pm
PDX
-
HRL
7h 05m
1 stop
American Airlines Logo
5:51 am - 10:59 am
HRL
-
PDX
7h 08m
1 stop
$323American Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
2:07 pm - 10:48 pm
PDX
-
HRL
6h 41m
1 stop
American Airlines Logo
5:51 am - 10:59 am
HRL
-
PDX
7h 08m
1 stop
$323American Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
2:07 pm - 10:48 pm
PDX
-
HRL
6h 41m
1 stop
American Airlines Logo
5:51 am - 10:59 am
HRL
-
PDX
7h 08m
1 stop
$331American Airlines
Fri, Sep 11 - Sun, Sep 13
Southwest Logo
5:45 am - 4:05 pm
PDX
-
HRL
8h 20m
2 stops
Southwest Logo
3:25 pm - 10:20 pm
HRL
-
PDX
8h 55m
2 stops
$333Southwest
Thu, Aug 20 - Wed, Aug 26
United Airlines Logo
1:00 pm - 9:52 pm
PDX
-
HRL
6h 52m
1 stop
United Airlines Logo
5:18 pm - 11:15 pm
HRL
-
PDX
7h 57m
1 stop
$357United Airlines
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
1:38 pm - 10:54 pm
PDX
-
HRL
7h 16m
1 stop
American Airlines Logo
5:54 am - 10:54 am
HRL
-
PDX
7h 00m
1 stop
$383American Airlines
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
7:10 am - 3:59 pm
PDX
-
HRL
6h 49m
1 stop
United Airlines Logo
1:59 pm - 10:45 pm
HRL
-
PDX
10h 46m
2 stops
$386United Airlines
Thu, Aug 20 - Wed, Aug 26
American Airlines Logo
7:00 am - 4:58 pm
PDX
-
HRL
7h 58m
1 stop
American Airlines Logo
4:53 pm - 11:23 pm
HRL
-
PDX
8h 30m
1 stop
$389American Airlines
Fri, Sep 18 - Sun, Sep 20
Southwest Logo
5:50 am - 4:45 pm
PDX
-
HRL
8h 55m
2 stops
Southwest Logo
5:30 am - 12:05 pm
HRL
-
PDX
8h 35m
2 stops
$398Southwest
Wed, Sep 2 - Mon, Sep 7

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Southwest flights from Portland to Harlingen

Our best Southwest deals on Portland to Harlingen flight tickets
Southwest
Aug 20
PDX5:45 amPortland
8h 20m
2 stops
HRL4:05 pmHarlingen Valley Intl
Aug 26
HRL3:25 pmHarlingen Valley Intl
8h 55m
2 stops
PDX10:20 pmPortland
$333
Southwest
Sep 2
PDX5:50 amPortland
8h 55m
2 stops
HRL4:45 pmHarlingen Valley Intl
Sep 7
HRL5:30 amHarlingen Valley Intl
8h 35m
2 stops
PDX12:05 pmPortland
$398
Southwest
Sep 11
PDX10:55 amPortland
9h 45m
2 stops
HRL10:40 pmHarlingen Valley Intl
Sep 13
HRL5:40 pmHarlingen Valley Intl
8h 15m
2 stops
PDX11:55 pmPortland
$404

United Airlines flights from Portland to Harlingen

Our best United Airlines deals on Portland to Harlingen flight tickets
United Airlines
Sep 11
PDX7:10 amPortland
6h 49m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 13
HRL5:18 pmHarlingen Valley Intl
7h 57m
1 stop
PDX11:15 pmPortland
$303
United Airlines
Sep 11
PDX1:00 pmPortland
6h 52m
1 stop
HRL9:52 pmHarlingen Valley Intl
Sep 14
HRL5:18 pmHarlingen Valley Intl
7h 57m
1 stop
PDX11:15 pmPortland
$357
United Airlines
Aug 20
PDX7:10 amPortland
6h 49m
1 stop
HRL3:59 pmHarlingen Valley Intl
Aug 26
HRL1:59 pmHarlingen Valley Intl
10h 46m
2 stops
PDX10:45 pmPortland
$386

momondo 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, momondo users made 832,500 searches. Data last updated July 30, 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

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Fri 9/11

7:10 am-3:59 pm

1 stop6h 49m

Harlingen Valley Intl

Sun 9/13

5:18 pm-11:15 pm

1 stop7h 57m

$303

PortlandHarlingen

PDX - HRL

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

$323
Quickest round-trip

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Fri 9/11

2:07 pm-10:48 pm

1 stop6h 41m

Harlingen Valley Intl

Sun 9/13

5:51 am-10:59 am

1 stop7h 08m

$323

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Fri 9/11

2:07 pm-10:48 pm

1 stop6h 41m

Harlingen Valley Intl

Sun 9/13

5:51 am-10:59 am

1 stop7h 08m

$331

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Thu 8/20

5:45 am-4:05 pm

2 stops8h 20m

Harlingen Valley Intl

Wed 8/26

3:25 pm-10:20 pm

2 stops8h 55m

$333

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Fri 9/11

1:00 pm-9:52 pm

1 stop6h 52m

Harlingen Valley Intl

Mon 9/14

5:18 pm-11:15 pm

1 stop7h 57m

$357

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Wed 9/2

1:38 pm-10:54 pm

1 stop7h 16m

Harlingen Valley Intl

Mon 9/7

5:54 am-10:54 am

1 stop7h 00m

$383

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Thu 8/20

7:10 am-3:59 pm

1 stop6h 49m

Harlingen Valley Intl

Wed 8/26

1:59 pm-10:45 pm

2 stops10h 46m

$386

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Fri 9/18

7:00 am-4:58 pm

1 stop7h 58m

Harlingen Valley Intl

Sun 9/20

4:53 pm-11:23 pm

1 stop8h 30m

$389

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

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Portland to Harlingen

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?

If you aren’t able to travel during the month of September, then book flights to Harlingen from Portland during May instead. Flights to Harlingen in May, while not as cheap as those in September, still average around $0.

When to book flights from Portland to Harlingen

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

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

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

Fastest flight time

8h 55m

Direct flights

None
The fastest flight from Portland to Harlingen takes 8h 55m
There are no direct flights from Portland to Harlingen. There are no popular flight routes from Portland to Harlingen.
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Frequently asked questions about flying from Portland to Harlingen

  • 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 8h 55m, 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?

Best airlines flying from Portland to Harlingen

Compare and see reviews for airlines that fly from Portland to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,841 reviews
Search American 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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