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Cheap flights from Portland, Maine to Harlingen from $331

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, Maine to Harlingen departing on 11/26. 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

United Airlines Logo
6:00 am - 3:34 pmPWM-HRL
10h 34m2 stops
United Airlines Logo
2:00 pm - 11:17 pmHRL-PWM
8h 17m2 stops
$480United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
6:00 am - 5:43 pmPWM-HRL
12h 43m2 stops
United Airlines Logo
5:15 am - 11:17 pmHRL-PWM
17h 02m2 stops
$517United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
6:00 am - 7:29 pmPWM-HRL
14h 29m3 stops
United Airlines Logo
2:00 pm - 11:17 pmHRL-PWM
8h 17m2 stops
$605United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Southwest Logo
5:30 am - 5:25 pmPWM-HRL
12h 55m2 stops
Southwest Logo
5:30 am - 4:45 pmHRL-PWM
10h 15m2 stops
$631Southwest
Find Deal
Sun, Mar 1 - Sun, Mar 15
United Airlines Logo
6:00 am - 9:44 pmPWM-HRL
16h 44m3 stops
United Airlines Logo
11:55 am - 11:17 pmHRL-PWM
10h 22m2 stops
$646United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
1:16 pm - 12:01 amPWM-HRL
11h 45m3 stops
American Airlines Logo
12:10 pm - 10:30 pmHRL-PWM
9h 20m2 stops
$979American Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 15
United Airlines Logo
6:00 am - 4:04 pmPWM-HRL
11h 04m3 stops
United Airlines Logo
11:55 am - 11:17 pmHRL-PWM
10h 22m3 stops
$1,190United Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 15

United Airlines flights from Portland, Maine to Harlingen, Texas

Our best United Airlines deals on Portland, Maine to Harlingen, Texas flight tickets
United Airlines
Mar 10
PWM6:00 amPortland
10h 34m
2 stops
HRL3:34 pmHarlingen Valley Intl
Mar 11
HRL2:00 pmHarlingen Valley Intl
8h 17m
2 stops
PWM11:17 pmPortland
$480
Find similar
United Airlines
Mar 10
PWM6:00 amPortland
12h 43m
2 stops
HRL5:43 pmHarlingen Valley Intl
Mar 11
HRL5:15 amHarlingen Valley Intl
17h 02m
2 stops
PWM11:17 pmPortland
$517
Find similar
United Airlines
Mar 10
PWM6:00 amPortland
14h 29m
3 stops
HRL7:29 pmHarlingen Valley Intl
Mar 11
HRL2:00 pmHarlingen Valley Intl
8h 17m
2 stops
PWM11:17 pmPortland
$605
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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 30, 2025.
Use the filters below to find and compare flights from Portland, Maine to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Tue 3/10

6:00 am-3:34 pm

2 stops10h 34m

Harlingen Valley Intl

Wed 3/11

2:00 pm-11:17 pm

2 stops8h 17m

$480

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Tue 3/10

6:00 am-5:43 pm

2 stops12h 43m

Harlingen Valley Intl

Wed 3/11

5:15 am-11:17 pm

2 stops17h 02m

$517

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Tue 3/10

6:00 am-7:29 pm

3 stops14h 29m

Harlingen Valley Intl

Wed 3/11

2:00 pm-11:17 pm

2 stops8h 17m

$605

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 3/1

5:30 am-5:25 pm

2 stops12h 55m

Harlingen Valley Intl

Sun 3/15

5:30 am-4:45 pm

2 stops10h 15m

$631

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Tue 3/10

6:00 am-9:44 pm

3 stops16h 44m

Harlingen Valley Intl

Wed 3/11

11:55 am-11:17 pm

2 stops10h 22m

$646

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 3/1

1:16 pm-12:01 am

3 stops11h 45m

Harlingen Valley Intl

Sun 3/15

12:10 pm-10:30 pm

2 stops9h 20m

$979

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Sun 3/1

6:00 am-4:04 pm

3 stops11h 04m

Harlingen Valley Intl

Sun 3/15

11:55 am-11:17 pm

3 stops10h 22m

$1,190

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Wed 11/26

4:40 pm-3:59 pm

2 stops24h 19m

$331

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Wed 11/26

9:45 am-10:59 am

3 stops26h 14m

$548

PortlandHarlingen

PWM - HRL

PWMHRL

Portland

Wed 11/26

5:43 am-3:36 pm

3 stops10h 53m

$841

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, 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 day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Harlingen, Texas for around $651.

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 morning. Flights from Portland, Maine to Harlingen, Texas during this time can be as low as $438. Flights at noon are often more expensive with an average ticket price of $543.

When to book flights from Portland, Maine to Harlingen, Texas

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

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

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

Direct flights

None
There are no direct flights from Portland, Maine to Harlingen, Texas. There are no popular flight routes from Portland, Maine to Harlingen, Texas.
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  • 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 10h 34m.

  • 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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