Cheap flights from Chicago O'Hare Intl Airport to Oregon from $179
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 Oregon departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Alaska Airlines flights from Chicago O'Hare Intl Airport to Oregon
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Fly from
Fly to
Route
Depart
Return
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Wed 11/4
5:05 pm-7:47 pm
Nonstop4h 42m
Portland
Mon 11/9
11:09 pm-5:07 am
Nonstop3h 58m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/22
9:21 pm-11:59 pm
Nonstop4h 38m
Portland
Mon 10/26
10:55 pm-5:07 am
Nonstop4h 12m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/31
12:40 pm-3:20 pm
Nonstop4h 40m
Portland
Sat 11/7
2:37 pm-8:45 pm
Nonstop4h 08m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/29
12:40 pm-3:20 pm
Nonstop4h 40m
Portland
Tue 11/3
2:34 pm-8:40 pm
Nonstop4h 06m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/22
2:14 pm-4:51 pm
Nonstop4h 37m
Portland
Thu 10/29
7:00 am-1:18 pm
Nonstop4h 18m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/24
2:14 pm-4:51 pm
Nonstop4h 37m
Portland
Tue 10/27
7:00 am-1:18 pm
Nonstop4h 18m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Wed 12/23
2:27 pm-9:00 pm
1 stop8h 33m
Portland
Wed 12/30
5:05 am-6:01 pm
2 stops10h 56m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Tue 11/17
6:30 am-11:07 am
1 stop6h 37m
Portland
Sat 11/21
10:10 pm-5:10 am
1 stop29h 00m
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 1/21
6:21 am-3:03 pm
1 stop10h 42m
Portland
Tue 1/26
4:29 pm-12:26 am
1 stop5h 57m
ChicagoEugene
ORD Chicago O'Hare Intl - EUG Eugene
ORDEUG
Chicago O'Hare Intl
Thu 1/28
6:59 pm-11:53 pm
1 stop6h 54m
Eugene
Sun 1/31
12:30 pm-11:46 pm
1 stop9h 16m
See travel insights to Oregon from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Oregon
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 Oregon?
The month of February is, on average, the cheapest month to fly to Oregon from Chicago O'Hare Intl Airport, with most prices found around $313. The month of April is another great option to travel to Oregon, with average flight prices from Chicago O'Hare Intl Airport averaging around $326.
What is the cheapest day to depart on your flight to Oregon?
On average, the least expensive day to fly to Oregon from Chicago O'Hare Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $357. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $445.
What is the cheapest time of day to depart on your flight to Oregon?
According to our data, the cheapest time of day to fly to Oregon is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Oregon in the evening for as low as $344. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly at noon, with an average ticket price of $459. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago O'Hare Intl to Oregon flight route?
Fly from Chicago O'Hare Intl to Portland for the best Chicago O'Hare Intl - Oregon flight prices
How far in advance should I book a flight from Chicago O'Hare Intl Airport to Oregon?
You are more likely to see cheaper flights to Oregon from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Chicago O'Hare Intl Airport for as low as $268 on momondo.
What cabin class options are available on Chicago O'Hare Intl Airport to Oregon flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Oregon 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 Oregon?
Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Oregon
What airlines fly to Oregon?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Oregon from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 6 different airlines that fly to Oregon 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 Oregon on average per day?
The number of flights available between Chicago O'Hare Intl Airport and Oregon is 20 per day as of October 2026. The most frequent departure time is 4:00PM, with 47% of daily flights leaving in the afternoon.
How many flights depart from Chicago O'Hare Intl Airport to Oregon on average per week?
As of October 2026, 144 flights take off from Chicago O'Hare Intl Airport and land in Oregon each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.
Cheap Chicago O'Hare Intl Airport to Oregon flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Oregon
Frequently asked questions about flying from Chicago O'Hare Intl Airport to Oregon
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Oregon?
Prices for flights from Chicago O'Hare Intl Airport to Oregon are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Oregon?
There are 6 operators available for flights from Chicago O'Hare Intl Airport to Oregon as of October 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Oregon?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Oregon.
What documentation or ID do you need to fly to Oregon?
The travel and health documents you'll need for your trip to Oregon 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 Oregon. 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 Oregon?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Oregon is Boeing 737-800 (27.57% of total bookings). The next most popular plane models are Airbus A321neo (13.59%), Airbus A321-100/200 (13.51%), and Boeing 737 MAX 9 (11.27%).
Best airlines flying from Chicago O'Hare Intl Airport to Oregon
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Oregon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $157 | Free Cancellation | Rating 5.5 2,550 reviews | |||
| PriceFrom $191 | Free Cancellation | Rating 7.1 3,041 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.9 13,016 reviews | |||
| PriceFrom $217 | Free Cancellation | Rating 7.4 10,286 reviews | |||
| PriceFrom $221 | Free Cancellation | Rating 7.0 12,123 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.8 8,630 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Oregon?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oregon from Chicago.
Can I find flights from Chicago to Oregon with flexible booking policies on momondo?
Flights from Chicago to Oregon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Oregon?
Once you have performed a search for Chicago to Oregon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chicago to Oregon right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Oregon, momondo offers a useful price alert feature which will track prices for flights to Oregon from Chicago and alert you when they change.