Flights from Portland Airport to Illinois

Flight deals from Portland Airport to Illinois

Looking for cheap tickets from Portland Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.Rs24,141 per passenger.Departing Sat, 11 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sat, 11 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs24,141, select.

Moline.Rs57,699 per passenger.Departing Mon, 24 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 24 Nov, arriving in Moline.Price includes taxes and charges.From Rs57,699, select.

Peoria.Rs59,160 per passenger.Departing Tue, 25 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Tue, 25 Nov, arriving in Greater Peoria.Price includes taxes and charges.From Rs59,160, select.

Springfield.Rs71,046 per passenger.Departing Mon, 15 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 15 Dec, arriving in Springfield.Price includes taxes and charges.From Rs71,046, select.

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Flying from Portland Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	Rs24,141
Cheapest month to fly	October
Average flight time	4 hrs, 2 mins
Average flights per week	380
Most popular airline	American Airlines

How to find cheap flights from Portland Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Portland Airport to Illinois. Other savvy travellers recently found return flights from Rs42,148 and one-way tickets from Rs24,141. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Portland Airport to Illinois is currently October.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Portland Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Portland Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Portland Airport to Illinois?

Yes - direct flights currently operate from Portland Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Portland Airport to Illinois?

We looked at all of the upcoming return flights from Portland Airport to Illinois we could find over the next 12 months. It looks like Rs42,148 is the best price. This is good, compared to the average Illinois ticket price of Rs71,280.

What is the cheapest month to fly from Portland Airport to Illinois?

The cheapest month to fly from Portland Airport to Chicago O'Hare International Airport is currently October.
The cheapest month to fly from Portland Airport to Greater Peoria Airport is currently October.
And the cheapest month to fly from Portland Airport to Moline Airport is usually October.

Which upcoming date is cheapest to fly from Portland Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Portland Airport to Illinois on Saturday, 18 October 2025.

If I'm flying from Portland Airport, where in Illinois is cheapest to fly into?

If you're flying from Portland, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.