ISP - PDX

$577 Find Cheap Flights from Islip to Portland

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Portland departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Portland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Portland, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$577
Southwest
Sat 2/14Wed 2/18
ISP - PDX • 2 stops
Cheapest one-way
Multiple Airlines
Sun 2/1
ISP - PDX • multi-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Portland!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to Portland (ISP-PDX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Portland

Sat, Feb 14 - Wed, Feb 18
Southwest Logo
1:10 pm - 11:55 pm
ISP
-
PDX
13h 45m
2 stops
Southwest Logo
6:45 am - 9:55 pm
PDX
-
ISP
12h 10m
2 stops
$577Southwest
Sat, Feb 14 - Wed, Feb 18
Multiple Airlines Logo
9:59 am - 11:44 pm
ISP
-
PDX
16h 45m
2 stops
Multiple Airlines Logo
7:15 am - 6:44 pm
PDX
-
ISP
8h 29m
1 stop
$1,265Multiple Airlines
Booking Insights

Good to know

Cheapest flight$577
Flight from Islip to Portland

When to book flights from Islip to Portland

Are your dates flexible? Find out the best times to travel from Islip to Portland 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.

FAQs for booking flights from Islip to Portland

  • What is the cheapest flight from Islip to Portland?

    In the last 3 days, the lowest price for a flight from Islip to Portland was $577 for a round-trip ticket.

  • Do I need a passport to fly between Islip and Portland?

    A passport is not required to fly from Islip to Portland.

  • Which airports will I be using when flying from Islip to Portland?

    On your way to Portland, you’ll fly out from Islip Long Island. You’ll be landing at Portland.

  • Which aircraft models fly most regularly from Islip to Portland?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Islip to Portland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Portland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Portland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Portland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Islip with another airline. Booking your flights between Islip and PDX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Portland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to Portland

Information on your arrival and departure airports

Islip (ISP)
Portland (PDX)