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Cheap flights from Portland, Maine to Harlingen from $420

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, Maine to Harlingen departing on 5/24. 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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Find the cheapest flights from Portland, Maine to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:00 am - 3:45 pm
PWM
-
HRL
10h 45m
2 stops
Southwest Logo
10:40 am - 11:25 pm
HRL
-
PWM
11h 45m
2 stops
$420Southwest
Sun, May 24 - Thu, May 28
American Airlines Logo
5:36 pm - 12:14 am
PWM
-
HRL
7h 38m
1 stop
American Airlines Logo
10:43 am - 10:47 pm
HRL
-
PWM
11h 04m
2 stops
$509American Airlines
Sun, May 24 - Thu, May 28
Southwest Logo
2:35 pm - 11:55 pm
PWM
-
HRL
10h 20m
2 stops
Southwest Logo
11:35 am - 10:10 pm
HRL
-
PWM
9h 35m
2 stops
$543Southwest
Sun, Jun 21 - Fri, Jun 26
United Airlines Logo
5:15 am - 3:59 pm
PWM
-
HRL
11h 44m
2 stops
United Airlines Logo
5:20 pm - 9:51 pm
HRL
-
PWM
27h 31m
3 stops
$812United Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
5:36 pm - 12:14 am
PWM
-
HRL
7h 38m
1 stop
American Airlines Logo
6:00 am - 4:46 pm
HRL
-
PWM
9h 46m
1 stop
$844American Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
5:36 pm - 12:14 am
PWM
-
HRL
7h 38m
1 stop
American Airlines Logo
6:00 am - 5:06 pm
HRL
-
PWM
10h 06m
2 stops
$1,047American Airlines
Sun, Jun 21 - Fri, Jun 26
United Airlines Logo
5:15 am - 7:49 pm
PWM
-
HRL
15h 34m
3 stops
United Airlines Logo
5:20 pm - 9:41 pm
HRL
-
PWM
27h 21m
2 stops
$1,101United Airlines
Sun, Jun 21 - Fri, Jun 26
American Airlines Logo
5:36 pm - 12:14 am
PWM
-
HRL
7h 38m
1 stop
American Airlines Logo
6:00 am - 4:45 pm
HRL
-
PWM
9h 45m
1 stop
$1,286American Airlines
Sun, Jun 21 - Fri, Jun 26

Southwest flights from Portland, Maine to Harlingen

Our best Southwest deals on Portland, Maine to Harlingen flight tickets
Southwest
May 24
PWM6:00 amPortland
10h 45m
2 stops
HRL3:45 pmHarlingen Valley Intl
May 28
HRL10:40 amHarlingen Valley Intl
11h 45m
2 stops
PWM11:25 pmPortland
$420
Southwest
Jun 21
PWM2:35 pmPortland
10h 20m
2 stops
HRL11:55 pmHarlingen Valley Intl
Jun 26
HRL11:35 amHarlingen Valley Intl
9h 35m
2 stops
PWM10:10 pmPortland
$543

American Airlines flights from Portland, Maine to Harlingen

Our best American Airlines deals on Portland, Maine to Harlingen flight tickets
American Airlines
May 24
PWM5:36 pmPortland
7h 38m
1 stop
HRL12:14 amHarlingen Valley Intl
May 28
HRL10:43 amHarlingen Valley Intl
11h 04m
2 stops
PWM10:47 pmPortland
$509
American Airlines
May 24
PWM5:36 pmPortland
7h 38m
1 stop
HRL12:14 amHarlingen Valley Intl
May 28
HRL6:00 amHarlingen Valley Intl
9h 46m
1 stop
PWM4:46 pmPortland
$844
American Airlines
Jun 21
PWM5:36 pmPortland
7h 38m
1 stop
HRL12:14 amHarlingen Valley Intl
Jun 26
HRL6:00 amHarlingen Valley Intl
10h 06m
2 stops
PWM5:06 pmPortland
$1,047

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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 May 10, 2026.
Use the filters below to find and compare flights from Portland, Maine to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 5/24

6:00 am-3:45 pm

2 stops10h 45m

Harlingen Valley Intl

Thu 5/28

10:40 am-11:25 pm

2 stops11h 45m

$420

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 5/24

5:36 pm-12:14 am

1 stop7h 38m

Harlingen Valley Intl

Thu 5/28

10:43 am-10:47 pm

2 stops11h 04m

$509

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 6/21

2:35 pm-11:55 pm

2 stops10h 20m

Harlingen Valley Intl

Fri 6/26

11:35 am-10:10 pm

2 stops9h 35m

$543

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 5/24

5:15 am-3:59 pm

2 stops11h 44m

Harlingen Valley Intl

Thu 5/28

5:20 pm-9:51 pm

3 stops27h 31m

$812

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 5/24

5:36 pm-12:14 am

1 stop7h 38m

Harlingen Valley Intl

Thu 5/28

6:00 am-4:46 pm

1 stop9h 46m

$844

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 6/21

5:36 pm-12:14 am

1 stop7h 38m

Harlingen Valley Intl

Fri 6/26

6:00 am-5:06 pm

2 stops10h 06m

$1,047

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 6/21

5:15 am-7:49 pm

3 stops15h 34m

Harlingen Valley Intl

Fri 6/26

5:20 pm-9:41 pm

2 stops27h 21m

$1,101
Quickest round-trip

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 6/21

5:36 pm-12:14 am

1 stop7h 38m

Harlingen Valley Intl

Fri 6/26

6:00 am-4:45 pm

1 stop9h 45m

$1,286

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, Maine 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 airlines fly to Harlingen?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Harlingen from Portland, Maine according to our data. American Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Harlingen. Keep in mind that there are 3 different airlines that fly to Harlingen on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Harlingen

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

Cheap Portland, Maine to Harlingen (PWM to HRL) flight deals and tips

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

Fastest flight time

11h 19m

Direct flights

None
The fastest flight from Portland, Maine to Harlingen takes 11h 19m
There are no direct flights from Portland, Maine to Harlingen. There are no popular flight routes from Portland, Maine to Harlingen.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Harlingen

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

    Harlingen Valley Intl is 1951.0 mi away from Portland. A reasonable flight in good conditions will take 11h 19m.

  • 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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Harlingen for you.

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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