Cheap air tickets from Portland to Chicago O'Hare International

Compare Portland to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

Flight deals from Portland to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Portland to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Chicago O'Hare International flights are currently cheapest in November.

Direct flights from Portland to Chicago O'Hare International

Portland to Chicago O'Hare International: Alternative routes

Compare routes from Portland to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Portland to Chicago: Flight information

The things to know before you go.
Cheapest flight found$71
Cheapest month to flyNovember
Average flight time4 hrs
Most popular airlineQatar Airways
Average flights per week185

Finding cheap flights from Portland to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Portland to Chicago O'Hare International is $143. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours is the average flight time from Portland to Chicago O'Hare International.
Qatar Airways, American Airlines and United fly direct from Portland to Chicago O'Hare International.
As of October 2024, there are 185 flights per week flying from Portland to Chicago O'Hare International.
The cheapest month to fly from Portland to Chicago O'Hare International is usually October 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Chicago O'Hare International Airport on Wednesday, 11 December 2024.
Yes – the average flight time is 4 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Portland International Airport (PDX) to O'Hare International Airport (ORD): what you need to know

  • The average time for a direct flight from Portland International Airport to O'Hare International Airport is 4 hours. Chicago's timezone is UTC-5, making Chicago 2 hours ahead of Portland.

  • Take your pick of 139 weekly flights from Portland International Airport to O'Hare International Airport. The 00:02 departure with United Airlines is the earliest flight out between PDX and ORD. Spirit Airlines operates the latest service of the day at 23:59 if you'd rather not get up at the crack of dawn.

  • Taking off during a peak period like school or public holidays? Expect longer lines at check-in and security. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • If you want to break up your flight from Portland International Airport to O'Hare International Airport, think about adding a stopover. Just uncheck 'Direct flights only' to find a city that interests you. The most popular stopovers on the PDX - ORD route include:

    • Lambert-St. Louis International Airport

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

Arriving at O'Hare International Airport (ORD)

Handy information about Portland International Airport (PDX)

More about Chicago

Getting from O'Hare International Airport (ORD) to central Chicago

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey time of about 54 minutes.

Complete your Chicago trip with hotels and a car rental

  • We don't just compare flights. Once you've secured your cheap ticket to O'Hare International Airport, browse our car rental offers that'll give you the flexibility and freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find your ideal Chicago stay.

How to find the cheapest flights from Portland International Airport (PDX) to O'Hare International Airport (ORD)

  • $71 is currently the lowest price for a one-way ticket from Portland International Airport to O'Hare International Airport. A return flight starts at $143. These prices can change depending on availability and demand.

  • To get your hands on cheap tickets from PDX to ORD, reserve your trip 9 months ahead of the departure date.

  • The cheapest month for tickets from Portland International Airport to O'Hare International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • Getting a cheap ticket from PDX to ORD is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as the price has dropped.

  • Use filters to tailor your flights from Portland International Airport to O'Hare International Airport. Simply select your ideal arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

When to fly to O'Hare International Airport (ORD)

  • The quietest month for a flight from Portland International Airport to O'Hare International Airport is February, while August is the busiest. Choose the best time to go to Chicago based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC and 29ºC. Book your flights from Portland International Airport to O'Hare International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from PDX to ORD in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 3ºC on average.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.