Cheap flights from Chicago O'Hare Intl Airport to Portland from $79
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Portland departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Portland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Hawaiian Airlines flights from Chicago O'Hare Intl Airport to Portland
Our best Hawaiian Airlines deals on Chicago O'Hare Intl Airport to Portland flight tickets
Sun Country Air flights from Chicago O'Hare Intl Airport to Portland
Our best Sun Country Air deals on Chicago O'Hare Intl Airport to Portland flight tickets
See travel insights to Portland from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Portland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from Chicago O'Hare Intl Airport is in August. Flight prices, which tend to average around $289, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until July to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $290.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $394.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $256. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $384 per ticket.
What is the cheapest Chicago O'Hare Intl to Portland flight route?
Fly from Chicago O'Hare Intl to Portland for the best Chicago O'Hare Intl - Portland flight prices
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Chicago O'Hare Intl Airport when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $333 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Chicago O'Hare Intl Airport for as low as $285 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Portland flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Portland?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to Portland
What airlines fly to Portland?
United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Portland from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Portland on average per day?
As of June 2025, there are 20 flights per day flying from Chicago O'Hare Intl Airport to Portland. The most common time of day flights depart is 8:00PM, with 39% of flights taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Portland on average per week?
144 flights are operational weekly from Chicago O'Hare Intl Airport to Portland as of June 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Portland
Cheap Chicago O'Hare Intl Airport to Portland (ORD to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Portland
How far is Chicago O'Hare Intl to Portland by plane?
There are 1737.6 mi between Chicago O'Hare Intl and Portland. In terms of flight time, this usually takes a little over 4h 24m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Portland Airport?
Prices for flights from Chicago O'Hare Intl Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Portland Airport?
As of June 2025, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Portland Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Portland?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Portland is Boeing 737-800, representing 20.83% of all bookings. The subsequent popular models are Boeing 737-900 at 13.67%, Boeing 737 MAX 9 at 12.78%, and Airbus A321-100/200 at 9.77%.
What is the most popular airline from Chicago O'Hare Intl Airport to Portland?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Portland is United Airlines (41% of total bookings). The next most popular airlines are Alaska Airlines (25%), American Airlines (19%), and Spirit Airlines (10%).
Best airlines flying from Chicago O'Hare Intl Airport to Portland
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $91 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $143 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $227 | Free Cancellation | Rating 7.2 10,000 reviews |
Alaska Airlines Flights From Chicago O'Hare Intl Airport to Portland
Alaska Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Portland, operating 7 flights/week on average for this route. A good Alaska Airlines flight deal for Chicago O'Hare Intl Airport to Portland starts from $179 round-trip, up to an average price of $287. Our users have rated Alaska Airlines at 8.0/10.
Hawaiian Airlines Flights From Chicago O'Hare Intl Airport to Portland
$143 is the best Hawaiian Airlines flight deal from Chicago O'Hare Intl Airport to Portland found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $292, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,494 user reviews) flies into Portland from Chicago O'Hare Intl Airport 13 times in an average week so prices can vary.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Portland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Portland for you.
Can I find flights from Chicago to Portland with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portland from Chicago with this policy.
How can momondo help me find flights from Chicago to Portland?
Once all potential Chicago to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Portland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.