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Cheap flights from Islip, New York to Portland from $361

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:35 am - 1:50 pmISP  Islip Long Island-PDX Portland
11h 15m2 stops Baltimore/Washington Denver Intl
Southwest Logo
6:40 am - 9:45 pmPDX  Portland-ISP Islip Long Island
12h 05m2 stops Sacramento Intl Baltimore/Washington
$457Southwest
Sun, Dec 6 - Mon, Dec 7
Southwest Logo
4:55 pm - 12:15 amISP  Islip Long Island-PDX Portland
10h 20m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
8:00 am - 11:40 pmPDX  Portland-ISP Islip Long Island
12h 40m2 stops San Diego Baltimore/Washington
$495Southwest
Sun, Dec 20 - Sun, Jan 31
Southwest Logo
5:40 pm - 1:25 amISP  Islip Long Island-PDX Portland
10h 45m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
8:25 am - 11:35 pmPDX  Portland-ISP Islip Long Island
12h 10m2 stops Denver Intl Baltimore/Washington
$592Southwest
Fri, Nov 20 - Fri, Nov 27
Southwest Logo
12:30 pm - 9:50 pmISP  Islip Long Island-PDX Portland
12h 20m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
9:05 am - 11:45 pmPDX  Portland-ISP Islip Long Island
11h 40m2 stops Dallas Love Field Baltimore/Washington
$707Southwest
Tue, Nov 17 - Sat, Nov 21
Southwest Logo
6:05 am - 1:10 pmISP  Islip Long Island-PDX Portland
10h 05m2 stops Baltimore/Washington Denver Intl
Southwest Logo
7:35 am - 11:35 pmPDX  Portland-ISP Islip Long Island
13h 00m2 stops Phoenix Sky Harbor Intl Baltimore/Washington
$734Southwest
Mon, Nov 16 - Fri, Nov 20

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Southwest flights from Islip, New York to Portland

Our best Southwest deals on Islip, New York to Portland flight tickets
Southwest
Nov 17
ISP12:30 pmIslip Long Island
12h 20m
2 stops
PDX9:50 pmPortland
Nov 21
PDX9:05 amPortland
11h 40m
2 stops
ISP11:45 pmIslip Long Island
$707
Southwest
Nov 16
ISP6:05 amIslip Long Island
10h 05m
2 stops
PDX1:10 pmPortland
Nov 20
PDX7:35 amPortland
13h 00m
2 stops
ISP11:35 pmIslip Long Island
$734

momondo Fare Finder

 
Use the filters below to find and compare flights from Islip, New York to Portland that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Sun 12/6

5:35 am-1:50 pm

2 stops11h 15m

Portland

Mon 12/7

6:40 am-9:45 pm

2 stops12h 05m

$457

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Sun 12/20

4:55 pm-12:15 am

2 stops10h 20m

Portland

Sun 1/31

8:00 am-11:40 pm

2 stops12h 40m

$495
Quickest round-trip

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Fri 11/20

5:40 pm-1:25 am

2 stops10h 45m

Portland

Fri 11/27

8:25 am-11:35 pm

2 stops12h 10m

$592

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Tue 11/17

12:30 pm-9:50 pm

2 stops12h 20m

Portland

Sat 11/21

9:05 am-11:45 pm

2 stops11h 40m

$707

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Mon 11/16

6:05 am-1:10 pm

2 stops10h 05m

Portland

Fri 11/20

7:35 am-11:35 pm

2 stops13h 00m

$734
Cheapest one-way

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Wed 11/11

12:00 pm-11:36 am

3 stops50h 36m

$361
Quickest one-way

IslipPortland

ISP Islip Long Island - PDX Portland

ISPPDX

Islip Long Island

Wed 11/11

6:05 am-1:10 pm

2 stops10h 05m

$519

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Islip, New York to Portland

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 Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $423. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $525.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $445. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $518 per ticket.

Can stopping save me money on Islip, New York to Portland flights?

You could potentially save up to 26% on your flight if you consider stops on a Islip, New York to Portland flight.

When to book flights from Islip, New York to Portland

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

Cheap Islip, New York to Portland (ISP to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Portland

Best Price Found

$361

Fastest flight time

12h 20m

Direct flights

None
The best one-way flight to Portland from Islip, New York in the past 72 hours is $361. The best round-trip flight deal from Islip, New York to Portland found on momondo in the last 72 hours is $457.
The fastest flight from Islip, New York to Portland takes 12h 20m
There are no direct flights from Islip, New York to Portland. There are no popular flight routes from Islip, New York to Portland.
Search flight deals

Frequently asked questions about flying from Islip, New York to Portland

  • How far is Islip Long Island to Portland by plane?

    The distance between Islip Long Island and Portland is about 2474.8 mi. A reasonable flight in good conditions will take 12h 20m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Portland Airport?

    Prices for flights from Islip Long Island Airport to Portland Airport were last updated today.

  • How old do you have to be to fly from Islip Long Island Airport to Portland 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 Islip Long Island Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Beaverton
Long Beach
Rockaway Beach
Hillsboro
Tigard
Longview
Hood River
Newberg
Clackamas
Gresham
Troutdale
Wilsonville
Depoe Bay
McMinnville

Why use momondo?

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

Finding the right flight to Portland from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

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

Yes. All flights to Portland from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Portland from Islip.

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

Price alerts on flights to Portland from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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