Cheap Flights from Portland (PDX) to Nis (INI)

Popular airlines from Portland International Airport (PDX) to Nis (INI-Constantine the Great)

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI) cost?
Grab a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI)?
The cheapest month to fly from PDX to INI is , when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from PDX to INI. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI)?
Nonstop flights from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to INI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI)?
To arrive at Constantine the Great Airport (INI) on time, opt for a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI) last-minute?
Holding off until just before your departure to book a flight from PDX to INI often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book a PDX to INI flight and hotel package?
Booking a PDX to INI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Constantine the Great Airport (INI)?
If you reserved your PDX to INI flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Constantine the Great
Distance
5916 mi

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Portland to Nis Flights

The cheapest times to fly from Portland to Nis

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 Portland to Nis are during the month of . You can find some of the cheapest flights from Portland to Nis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Nis

Sunday is one of the best days to book for cheap flights from Portland to Nis: 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 Portland to Nis

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 Portland to Nis 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 Portland to Nis 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 Portland to Nis 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.

 

Portland to Nis Flights

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*Available to One Key members.