Cheap Flights from Islip (ISP) to Eugene (EUG)

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Find available prices by choosing your travel dates.

Cheap Flights from Islip to Eugene (ISP-EUG)

Prices were available within the past 7 days and start at for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Islip (ISP) to Eugene (EUG)
Origin airport
MacArthur
Destination airport
Eugene
Roundtrip price
$429
Distance
2525 mi

Islip to Eugene Flights

The cheapest times to fly from Islip to Eugene

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Eugene are during the month of July. You can find some of the cheapest flights from Islip to Eugene with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Eugene

Sunday is one of the best days to book for cheap flights from Islip to Eugene: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Eugene

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Eugene flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Eugene airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from MacArthur Airport to EUG last minute?
Booking your journey from MacArthur Airport (ISP) to EUG at the last minute could save you a nice sum if you hit the jackpot and find a bargain. However, fares usually don’t come down in price as the date of departure nears. If you hold out, flights could also be booked solid or the best seats taken (don’t get stuck in the middle!). If you’d rather play it safe, book well in advance of your departure date. In fact, you can find some of the biggest deals up to 12 months in advance. If your favorite carrier hasn’t released tickets yet, check back regularly as offers are constantly updated on Expedia.
Can I change the date of my flight from ISP to EUG?
You can make changes to your MacArthur Airport (ISP) to Mahlon Sweet Field Airport (EUG) journey through the Expedia Trips portal. But before you begin, read the rules and conditions in your itinerary to see what the airline will let you do and what charges may apply. Some airlines charge a change fee per person, on top of any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also swing by our Customer Service portal for more advice and to chat with our Virtual Agent.

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*Available to One Key members.