139 € Cheap Flights from Chicago O'Hare International to Portland

Compare Chicago O'Hare International to Portland flight deals

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Flight deals from Chicago O'Hare International to Portland

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

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

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

Direct flights from Chicago O'Hare International to Portland

Chicago O'Hare International to Portland: Alternative routes

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

Chicago to Portland: Flight information

The things to know before you go.
Cheapest flight found139 €
Cheapest month to flyAugust
Average flight time4 hrs, 32 mins
Most popular airlineUnited
Average flights per week144

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

The best price we found for a return flight from Chicago O'Hare International to Portland is 139 €. 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 and 32 minutes is the average flight time from Chicago O'Hare International to Portland.
United, American Airlines and Qatar Airways fly direct from Chicago O'Hare International to Portland.
As of July 2025, there are 144 flights per week flying from Chicago O'Hare International to Portland.
The cheapest month to fly from Chicago O'Hare International to Portland is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Portland Airport on Saturday, 9 August 2025.
Yes – the average flight time is 4 hours and 32 minutes.
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 Portland 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 Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and Hawaiian Airlines offer the cheapest flight tickets to Portland.

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

  • Around 4 hours 30 minutes is how long you can expect to be in the air on a direct flight from O'Hare International Airport to Portland International Airport.

  • Portland is two hours behind Chicago and is in the UTC-7 timezone.

  • Flights from ORD to PDX start at 07:00 — the earliest with Alaska Airlines. The latest departure is at 21:05 with United Airlines. Overall, there are 143 weekly O'Hare International Airport to Portland International Airport flights.

  • Leave enough time to catch your ORD to PDX flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues in popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • You can travel nonstop to Portland, United States. Jet off with one of these airlines that operate direct flights from O'Hare International Airport to Portland International Airport:

  • Most travellers choose to travel with American Airlines on this route.

  • United Airlines leads the way as the most punctual carrier for ORD to PDX flights, with 84.78% of its services landing on schedule.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from O'Hare International Airport to Portland International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to visit the city of your choice. Some great stopovers between ORD and PDX include:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • Kansas City International Airport

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

  • The lowest price we've found for a one-way O'Hare International Airport to Portland International Airport flight is 59 €. A return plane ticket is currently 139 €. Depending on the availability and when you book, these fares could change.

  • To get cheap tickets from ORD to PDX, reserve your trip six months ahead of your departure.

  • Plan your trip for May. That's the cheapest month for flights from O'Hare International Airport to Portland International Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest airfare across every month.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from ORD to PDX.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from O'Hare International Airport to Portland International Airport.

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights arrive within the expected timeframe.

  • Central Chicago to O'Hare International Airport is approximately 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a trip time of around 55 minutes when using public transport.

  • Booked an early flight from O'Hare International Airport to Portland International Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by choosing one of these stays near ORD:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The street address for PDX is 7000 NE Airport Way.

  • Portland International Airport to central Portland has a drive time of about 20 minutes. It's approximately 19 kilometres away.

  • Getting there by public transport takes about 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from O'Hare International Airport to Portland International Airport is May, while July is the most popular. Pick the ideal time to go to Portland based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from O'Hare International Airport to Portland International Airport, think about the type of weather you enjoy. August is the warmest month in Portland, with the temperature ranging from 12ºC (54ºF) to 31ºC (88ºF).

  • Look for cheap tickets from ORD to PDX in December if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United States

  • Seattle is just one of the many cities in United States waiting to be explored after you've seen Portland. Around 241 kilometres away to the north, top sights here include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you're ready to explore another corner of United States, consider Spokane, about 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key reasons to visit.

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