Which airports can I use when flying from Portland to Islip?

Flights from Portland to Islip usually depart from Portland (PWM) and arrive at Islip Long Island (ISP).

What cabin classes can I book on flights from Portland to Islip?

Only Economy Class is available on flights from Portland to Islip.

Which airports do connecting flights from Portland to Islip pass through?

Most connecting flights from Portland to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

Do I need a passport to fly from Portland to Islip?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Portland to Islip changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $406 to $1,014. That means the highest observed fare was about 2x higher than the lowest one.

What car rental options are available at Islip Long Island Airport (ISP)?

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $38 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Avis • National • Empire Rent A Car

How much is a round-trip flight from Portland to Islip?

Round-trip flights from Portland to Islip typically range from $349 to $349. The lowest price found in the past 5 days was $406, on Breeze Airways.

Which airline is the cheapest to fly from Portland to Islip?

Breeze Airways ($406) and Southwest ($489) are the cheapest airlines to fly round-trip from Portland to Islip according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Portland to Islip?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $349. Based on KAYAK data over the past 3 months.

When flying from Portland to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Portland to Islip layovers at 3h 19m over the past 3 months.

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Cheapest round-trip

$406

Typical prices: $349-$349

Breeze Airways

Tue 10/30Sat 11/3

PWM - ISP • 2 stops

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Cheap Flights from Portland to Islip (PWM-ISP)

Cheap flights from Portland to Islip with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Fri, Oct 30 - Tue, Nov 3

3:53 pm - 11:20 amPWM Portland-ISP Islip Long Island

19h 27m2 stops Columbus Raleigh-Durham

12:00 pm - 4:24 pmISP Islip Long Island-PWM Portland

28h 24m1 stop Raleigh-Durham

$406Breeze Airways

Mon, Oct 26 - Fri, Oct 30

3:53 pm - 11:20 amPWM Portland-ISP Islip Long Island

19h 27m2 stops Columbus Raleigh-Durham

6:54 pm - 9:08 amISP Islip Long Island-PWM Portland

14h 14m1 stop Orlando

$461Multiple Airlines

Fri, Oct 30 - Tue, Nov 3

9:48 am - 5:56 pmPWM Portland-ISP Islip Long Island

8h 08m1 stop Orlando

12:00 pm - 4:24 pmISP Islip Long Island-PWM Portland

28h 24m1 stop Raleigh-Durham

$480Multiple Airlines

Mon, Oct 26 - Fri, Oct 30

5:30 pm - 11:40 pmPWM Portland-ISP Islip Long Island

6h 10m1 stop Baltimore/Washington

6:00 am - 9:50 amISP Islip Long Island-PWM Portland

3h 50m1 stop Baltimore/Washington

$489Southwest

Fri, Oct 30 - Tue, Nov 3

6:30 am - 5:00 pmPWM Portland-ISP Islip Long Island

10h 30m2 stops Chicago Midway Baltimore/Washington

6:30 am - 2:45 pmISP Islip Long Island-PWM Portland

8h 15m2 stops Orlando Baltimore/Washington

$519Southwest

Mon, Oct 26 - Fri, Oct 30

1:05 pm - 11:40 pmPWM Portland-ISP Islip Long Island

10h 35m2 stops Nashville Intl Baltimore/Washington

6:55 am - 4:55 pmISP Islip Long Island-PWM Portland

10h 00m2 stops Orlando Baltimore/Washington

$548Southwest

Wed, Dec 9 - Wed, Dec 16

12:28 pm - 10:17 amPWM Portland-ISP Islip Long Island

21h 49m1 stop Raleigh-Durham

7:49 pm - 9:51 amISP Islip Long Island-PWM Portland

14h 02m1 stop Fort Myers SW Florida Intl

$678Breeze Airways

Price, demand and travel trends for Portland to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Portland to Islip? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Islip departing in october.

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Cheapest flight	$406

Round-trip flight from Portland to Islip

When to book flights from Portland to Islip

Are your dates flexible? Find out the best times to travel from Portland to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Portland to Islip?
Only Economy Class is available on flights from Portland to Islip.
Do I need a passport to fly from Portland to Islip?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
Have flight prices from Portland to Islip changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $406 to $1,014. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Islip Long Island Airport (ISP)?
Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $38 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car
Which airports can I use when flying from Portland to Islip?
Flights from Portland to Islip usually depart from Portland (PWM) and arrive at Islip Long Island (ISP).
Which airports do connecting flights from Portland to Islip pass through?
Most connecting flights from Portland to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

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PWM - ISP

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Everything you should know

Cheap Flights from Portland to Islip (PWM-ISP)

Cheap flights from Portland to Islip with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for Portland to Islip flights

How much is a round-trip flight from Portland to Islip?

Which airline is the cheapest to fly from Portland to Islip?

What is the cheapest layover airport when flying from Portland to Islip?

When flying from Portland to Islip which airport offers the shortest layover?

Key details for Portland to Islip flights

Cheapest flight

When to book flights from Portland to Islip

Your Portland to Islip flight questions, answered

More options for your flight from Portland to Islip

Complete your trip to Islip with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Islip

Find direct flights to and from Portland and Islip

Flights from domestic origins to Islip

Flights to other popular destinations

Find deals for your return flight