What is the cheapest airline that flies from Chicago O'Hare Intl to Oregon?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Oregon

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 31 per day as of June 2026. The most frequent departure time is 6:00PM, with 53% of daily flights leaving in the evening.

How many flights depart from Chicago O'Hare Intl Airport to Oregon on average per week?

As of June 2026, 219 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 16% of weekly flights taking off on this day.

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 39% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 7 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

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 7 operators available for flights from Chicago O'Hare Intl Airport to Oregon as of June 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.

$133 Cheap Flights from Chicago O'Hare Intl Airport to Oregon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Oregon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:42 pm - 11:30 pm

ORD

PDX

6h 48m

1 stop

6:49 pm - 5:37 am

PDX

ORD

8h 48m

1 stop

$308Multiple Airlines

Wed, Jul 8 - Thu, Jul 9

7:20 am - 9:45 am

ORD

PDX

4h 25mnonstop

12:20 pm - 8:52 pm

PDX

ORD

6h 32m

1 stop

$309Multiple Airlines

Sat, Jul 4 - Sat, Jul 11

7:20 am - 9:45 am

ORD

PDX

4h 25mnonstop

10:59 pm - 5:00 am

PDX

ORD

4h 01mnonstop

$315Alaska Airlines

Wed, Aug 5 - Tue, Aug 11

8:53 am - 11:37 am

ORD

EUG

4h 44mnonstop

12:50 pm - 7:00 pm

EUG

ORD

4h 10mnonstop

$329United Airlines

Fri, Jul 10 - Fri, Jul 17

11:35 am - 2:31 pm

ORD

BOI

3h 56mnonstop

3:21 pm - 8:16 pm

BOI

ORD

3h 55mnonstop

$335American Airlines

Tue, Sep 22 - Tue, Sep 29

6:10 am - 12:01 pm

ORD

EUG

7h 51m

1 stop

12:50 pm - 7:00 pm

EUG

ORD

4h 10mnonstop

$339United Airlines

Fri, Jul 10 - Fri, Jul 17

6:01 am - 2:02 pm

ORD

BOI

9h 01m

1 stop

4:20 pm - 11:59 pm

BOI

ORD

6h 39m

1 stop

$340Alaska Airlines

Sat, Aug 29 - Tue, Sep 1

6:55 am - 12:58 pm

ORD

EUG

8h 03m

1 stop

12:32 pm - 11:38 pm

EUG

ORD

9h 06m

1 stop

$349Delta

Tue, Jul 14 - Wed, Jul 22

2:02 pm - 10:18 pm

ORD

BOI

9h 16m

2 stops

6:00 am - 12:00 pm

BOI

ORD

5h 00m

1 stop

$350Delta

Tue, Jul 21 - Sat, Jul 25

11:30 am - 2:20 pm

ORD

BOI

3h 50mnonstop

3:10 pm - 7:59 pm

BOI

ORD

3h 49mnonstop

$355American Airlines

Fri, Jul 17 - Wed, Jul 22

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Alaska Airlines flights from Chicago O'Hare Intl Airport to Oregon

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Oregon flight tickets

Alaska Airlines

Aug 5

ORD7:20 amChicago O'Hare Intl

4h 25m

PDX9:45 amPortland

Aug 11

PDX10:59 pmPortland

4h 01m

ORD5:00 amChicago O'Hare Intl

$315

Alaska Airlines

Aug 8

ORD8:20 pmChicago O'Hare Intl

13h 17m

1 stop

PDX7:37 amPortland

Aug 15

PDX10:59 pmPortland

4h 01m

ORD5:00 amChicago O'Hare Intl

$325

Alaska Airlines

Jul 18

ORD7:20 amChicago O'Hare Intl

4h 25m

PDX9:45 amPortland

Jul 25

PDX10:59 pmPortland

4h 01m

ORD5:00 amChicago O'Hare Intl

$326

American Airlines flights from Chicago O'Hare Intl Airport to Oregon

Our best American Airlines deals on Chicago O'Hare Intl Airport to Oregon flight tickets

American Airlines

Sep 22

ORD11:35 amChicago O'Hare Intl

3h 56m

BOI2:31 pmBoise Air Term. Gowen Fld

Sep 29

BOI3:21 pmBoise Air Term. Gowen Fld

3h 55m

ORD8:16 pmChicago O'Hare Intl

$335

American Airlines

Jul 29

ORD8:00 amChicago O'Hare Intl

4h 36m

PDX10:36 amPortland

Aug 6

PDX11:34 pmPortland

3h 58m

ORD5:32 amChicago O'Hare Intl

$355

American Airlines

Jul 31

ORD11:30 amChicago O'Hare Intl

3h 50m

BOI2:20 pmBoise Air Term. Gowen Fld

Aug 8

BOI2:58 pmBoise Air Term. Gowen Fld

3h 51m

ORD7:49 pmChicago O'Hare Intl

$365

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 7/8

6:42 pm-11:30 pm

1 stop6h 48m

Portland

Thu 7/9

6:49 pm-5:37 am

1 stop8h 48m

$308

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 7/4

7:20 am-9:45 am

Nonstop4h 25m

Portland

Sat 7/11

12:20 pm-8:52 pm

1 stop6h 32m

$309

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 8/5

7:20 am-9:45 am

Nonstop4h 25m

Portland

Tue 8/11

10:59 pm-5:00 am

Nonstop4h 01m

$315

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

Fri 7/10

8:53 am-11:37 am

Nonstop4h 44m

Eugene

Fri 7/17

12:50 pm-7:00 pm

Nonstop4h 10m

$329

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 9/22

11:35 am-2:31 pm

Nonstop3h 56m

Boise Air Term. Gowen Fld

Tue 9/29

3:21 pm-8:16 pm

Nonstop3h 55m

$335

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

Fri 7/10

6:10 am-12:01 pm

1 stop7h 51m

Eugene

Fri 7/17

12:50 pm-7:00 pm

Nonstop4h 10m

$339

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 8/29

6:01 am-2:02 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Tue 9/1

4:20 pm-11:59 pm

1 stop6h 39m

$340

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

Tue 7/14

6:55 am-12:58 pm

1 stop8h 03m

Eugene

Wed 7/22

12:32 pm-11:38 pm

1 stop9h 06m

$349

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 7/21

2:02 pm-10:18 pm

2 stops9h 16m

Boise Air Term. Gowen Fld

Sat 7/25

6:00 am-12:00 pm

1 stop5h 00m

$350

Quickest round-trip

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Fri 7/17

11:30 am-2:20 pm

Nonstop3h 50m

Boise Air Term. Gowen Fld

Wed 7/22

3:10 pm-7:59 pm

Nonstop3h 49m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Oregon?

The month of August is, on average, the cheapest month to fly to Oregon from Chicago O'Hare Intl Airport, with most prices found around $94. The month of January is another great option to travel to Oregon, with average flight prices from Chicago O'Hare Intl Airport averaging around $123.

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 $333. 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 $399.

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 $333. 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 $457. 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 $332 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.

Can stopping save me money on Chicago O'Hare Intl Airport to Oregon flights?

You could potentially save up to 11% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Oregon flight.

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

Best Price Found	$168
Fastest flight time	3h 46m
Direct flights	Every day
Airports in Oregon	64 airports

The best one-way flight to Oregon from Chicago O'Hare Intl Airport in the past 72 hours is $168. The best round-trip flight deal from Chicago O'Hare Intl Airport to Oregon found on momondo in the last 72 hours is $337.

The fastest flight from Chicago O'Hare Intl Airport to Oregon takes 3h 46m

Direct flights go from Chicago O'Hare Intl Airport to Oregon every day.

There are 64 airports in Oregon. From Chicago O'Hare Intl Airport there are direct flights to Boise Air Term. Gowen Fld (BOI).

Search flight deals

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 7 operators available for flights from Chicago O'Hare Intl Airport to Oregon as of June 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 (32.22% of total bookings). The next most popular plane models are Airbus A321-100/200 (15.82%), Airbus A321neo (13.35%), and Boeing 737 MAX 8 (8.72%).

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
Hawaiian Airlines	PriceFrom $124	Free Cancellation	Rating 7.8 2,826 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $150	Free Cancellation	Rating 5.6 2,870 reviews	Search Frontier flights
Delta	PriceFrom $159	Free Cancellation	Rating 7.8 8,421 reviews	Search Delta flights
JetBlue	PriceFrom $191	Free Cancellation	Rating 7.1 2,996 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $196	Free Cancellation	Rating 7.9 12,560 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $201	Free Cancellation	Rating 7.1 11,739 reviews	Search American Airlines flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 9,875 reviews	Search United Airlines flights

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.

An easier way to manage your Oregon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to New Yorkfrom $62

Flights to Los Angelesfrom $64

Flights to Orlandofrom $63

Flights to Miamifrom $50

Flights to Chicagofrom $74

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $54

Flights to Atlantafrom $58

Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $72

Cheap flights from Chicago O'Hare Intl Airport to Oregon from $133

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Alaska Airlines flights from Chicago O'Hare Intl Airport to Oregon

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Oregon flight tickets

American Airlines flights from Chicago O'Hare Intl Airport to Oregon

Our best American Airlines deals on Chicago O'Hare Intl Airport to Oregon flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oregon that are best for you.

See travel insights to Oregon from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Oregon

What is the cheapest month to fly to Oregon?

What is the cheapest day to depart on your flight to Oregon?

What is the cheapest time of day to depart on your flight to Oregon?

What is the cheapest Chicago O'Hare Intl to Oregon flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Oregon?

What cabin class options are available on Chicago O'Hare Intl Airport to Oregon flights?

Can stopping save me money on Chicago O'Hare Intl Airport to Oregon flights?

What is the cheapest airline that flies from Chicago O'Hare Intl to Oregon?

What airlines fly to Oregon?

How many flights depart from Chicago O'Hare Intl Airport to Oregon on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Oregon on average per week?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Oregon

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Oregon

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

Why use momondo?

An easier way to manage your Oregon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Oregon

Popular cities in Oregon

Popular flights according to clicks in the last 7 days on momondo

Chicago O'Hare Intl Airport flight routes

According to popular flight searches on momondo this year

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