What are the cheapest airlines to fly from Oregon to Chicago O'Hare Intl Airport one-way?

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Oregon to Chicago O'Hare Intl Airport for a low price.

What are the most popular routes from Oregon to Chicago O'Hare Intl Airport?

While some choose either Boise Air Term. Gowen Fld - Chicago O'Hare Intl or Eugene - Chicago O'Hare Intl, Portland - Chicago O'Hare Intl is the most popular route from Oregon to Chicago O'Hare Intl Airport.

What are the cheapest flights from Oregon to Chicago O'Hare Intl Airport?

Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Portland - Chicago O'Hare Intl) can be booked for $176 on average our data indicates $1,439 when flying from Oregon to Chicago O'Hare Intl Airport.

What are the most reliable airlines from Oregon to Chicago O'Hare Intl Airport?

The top 3 most reliable airlines when flying from Oregon to Chicago O'Hare Intl Airport are Lufthansa (96%), United Airlines (94%) and Air Canada (94%).

What are the most popular airlines that fly from Oregon to Chicago O'Hare Intl Airport?

When booking a flight from Oregon to Chicago O'Hare Intl Airport, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

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

Find a great deal and save up to 22% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Oregon to Chicago O'Hare Intl Airport within the next two weeks, with the cheapest ticket starting at $305.

What is the cheapest month to fly from Oregon to Chicago O'Hare Intl Airport?

January is one of the best times of the year to fly to Chicago O'Hare Intl Airport from Oregon. Prices for January average $341 per person but you can even find prices for as low as $178. The most expensive prices can be found in the month of March. Opting for a January flight can save you 36% on your journey compared to booking in March

Can I find deals for flights from Oregon to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Oregon to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Oregon to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to O'Hare Intl.

Can I find deals for business class flights from Oregon to O'Hare Intl?

Yes. Cheapflights offers flight deals from Oregon to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$78+ Flights from Oregon to Chicago O'Hare Intl Airport

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Cheap flight deals from Oregon to O'Hare Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$180 (Delta)
One-way from	$78 (United Airlines)
Popular in	March
Cheapest in	January
Average price	$464
Good round-trip deal	$365 or less
Good one-way deal	$190 or less

Provider with most accurate pricing for Portland-Chicago (CHI) flight deals.

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Provider most trusted by Cheapflights users for Portland-Chicago (CHI) flights.

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From Oregon to Chicago O'Hare Intl

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One-way flight from Oregon to Chicago O'Hare Intl

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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from Oregon to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Oregon to Chicago O'Hare Intl.

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Find flight deals from Oregon to O'Hare Intl

Cheapest flights from Oregon to O'Hare Intl
Explore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Thu 5/12:20 pmBOI - ORD

1 stop8h 39mDelta

Fri 5/21:25 pmORD - BOI

2 stops11h 44mDelta

Deal found 3/27

$180

Fri 9/1212:29 pmBOI - ORD

Nonstop3h 26mUnited Airlines

Tue 9/161:58 pmORD - BOI

1 stop8h 18mUnited Airlines

Deal found 3/27

$201

Tue 8/124:00 pmBOI - ORD

1 stop6h 39mAlaska Airlines

Sat 8/166:00 amORD - BOI

1 stop10h 04mAlaska Airlines

Deal found 3/26

$204

Wed 6/44:20 pmBOI - ORD

1 stop5h 45mSouthwest

Fri 6/65:25 pmORD - BOI

1 stop8h 40mSouthwest

Deal found 3/27

$215

Sat 5/106:30 amBOI - ORD

1 stop9h 30mMultiple Airlines

Sun 5/119:02 pmORD - BOI

1 stop15h 19mMultiple Airlines

Deal found 3/26

$225

Wed 4/92:47 pmBOI - ORD

1 stop8h 12mHawaiian Airlines

Thu 4/107:00 amORD - BOI

1 stop7h 52mHawaiian Airlines

Deal found 3/26

$241

Fri 4/2511:52 pmPDX - ORD

Nonstop4h 05mAmerican Airlines

Sat 4/268:20 pmORD - PDX

Nonstop4h 42mAmerican Airlines

Deal found 3/27

$242

Thu 4/102:32 pmPDX - ORD

1 stop14h 01mSpirit Airlines

Sun 4/137:12 pmORD - PDX

1 stop16h 00mSpirit Airlines

Deal found 3/27

$243

Tue 5/271:21 pmPDX - ORD

1 stop8h 38mDelta

Tue 6/31:40 pmORD - PDX

1 stop6h 28mDelta

Deal found 3/28

$247

Sat 5/108:00 amRDM - ORD

1 stop9h 10mHawaiian Airlines

Sat 5/177:00 amORD - RDM

1 stop7h 22mHawaiian Airlines

Deal found 3/25

$248

Wed 5/282:30 pmPDX - ORD

1 stop5h 53mAlaska Airlines

Wed 6/47:00 amORD - PDX

Nonstop4h 23mAlaska Airlines

Deal found 3/27

$248

Mon 4/2811:59 pmPDX - ORD

Nonstop3h 57mUnited Airlines

Mon 5/54:13 pmORD - PDX

Nonstop4h 32mUnited Airlines

Deal found 3/28

$249

Best flights from Oregon to O'Hare Intl
Discover carefully curated flight deals from Oregon to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Thu 5/12:20 pmBOI - ORD

1 stop8h 39mDelta

Fri 5/21:25 pmORD - BOI

2 stops11h 44mDelta

Deal found 3/27

$180

Fri 9/1212:29 pmBOI - ORD

Nonstop3h 26mUnited Airlines

Tue 9/161:58 pmORD - BOI

1 stop8h 18mUnited Airlines

Deal found 3/27

$201

Tue 8/124:00 pmBOI - ORD

1 stop6h 39mAlaska Airlines

Sat 8/166:00 amORD - BOI

1 stop10h 04mAlaska Airlines

Deal found 3/26

$204

Wed 6/44:20 pmBOI - ORD

1 stop5h 45mSouthwest

Fri 6/65:25 pmORD - BOI

1 stop8h 40mSouthwest

Deal found 3/27

$215

Sat 5/106:30 amBOI - ORD

1 stop9h 30mMultiple Airlines

Sun 5/119:02 pmORD - BOI

1 stop15h 19mMultiple Airlines

Deal found 3/26

$225

Wed 4/92:47 pmBOI - ORD

1 stop8h 12mHawaiian Airlines

Thu 4/107:00 amORD - BOI

1 stop7h 52mHawaiian Airlines

Deal found 3/26

$241

Fri 4/2511:52 pmPDX - ORD

Nonstop4h 05mAmerican Airlines

Sat 4/268:20 pmORD - PDX

Nonstop4h 42mAmerican Airlines

Deal found 3/27

$242

Thu 4/102:32 pmPDX - ORD

1 stop14h 01mSpirit Airlines

Sun 4/137:12 pmORD - PDX

1 stop16h 00mSpirit Airlines

Deal found 3/27

$243

Mon 4/146:40 amPDX - ORD

1 stop15h 57mFrontier

Tue 4/156:45 amORD - PDX

1 stop19h 52mFrontier

Deal found 3/27

$261

Fri 5/236:30 pmPDX - ORD

1 stop15h 57mSun Country Air

Mon 5/2610:45 amORD - PDX

1 stop8h 46mSun Country Air

Deal found 3/27

$365

Tue 5/271:21 pmPDX - ORD

1 stop8h 38mDelta

Tue 6/31:40 pmORD - PDX

1 stop6h 28mDelta

Deal found 3/27

$247

Sat 5/108:00 amRDM - ORD

1 stop9h 10mHawaiian Airlines

Sat 5/177:00 amORD - RDM

1 stop7h 22mHawaiian Airlines

Deal found 3/25

$248

Last-minute flights from Oregon to O'Hare Intl
Discover last-minute flight deals from Oregon to O'Hare Intl. Data last updated March 28, 2025 and is based on user searches.

Wed 4/26:13 pmPDX - ORD

1 stop10h 29mSpirit Airlines

Tue 4/88:00 amORD - PDX

1 stop11h 18mSpirit Airlines

Deal found 3/27

$246

Wed 4/21:43 pmRDM - ORD

1 stop8h 16mHawaiian Airlines

Tue 4/87:16 pmORD - RDM

1 stop6h 43mHawaiian Airlines

Deal found 3/25

$499

Thu 4/310:16 amPDX - ORD

1 stop12h 47mFrontier

Fri 4/48:01 pmORD - PDX

1 stop14h 46mFrontier

Deal found 3/27

$278

Thu 4/39:23 pmEUG - ORD

1 stop14h 16mMultiple Airlines

Sun 4/68:00 amORD - EUG

1 stop14h 33mMultiple Airlines

Deal found 3/26

$462

Thu 4/311:59 pmPDX - ORD

1 stop7h 28mAmerican Airlines

Fri 4/410:39 amORD - PDX

Nonstop4h 30mAmerican Airlines

Deal found 3/27

$509

Fri 4/49:27 pmPDX - ORD

1 stop29h 34mMultiple Airlines

Mon 4/78:09 amORD - PDX

1 stop11h 46mMultiple Airlines

Deal found 3/26

$259

Fri 4/42:47 pmBOI - ORD

1 stop8h 12mHawaiian Airlines

Mon 4/72:05 pmORD - BOI

1 stop9h 36mHawaiian Airlines

Deal found 3/26

$358

Fri 4/41:23 pmBOI - ORD

1 stop9h 26mAmerican Airlines

Sun 4/66:00 amORD - BOI

1 stop7h 33mAmerican Airlines

Deal found 3/27

$359

Fri 4/46:10 amBOI - ORD

1 stop5h 28mDelta

Mon 4/79:40 amORD - BOI

2 stops11h 53mDelta

Deal found 3/26

$364

Sat 4/55:30 amBOI - ORD

1 stop10h 15mSouthwest

Tue 4/87:00 amORD - BOI

1 stop9h 55mSouthwest

Deal found 3/25

$301

Sat 4/512:06 pmBOI - ORD

Nonstop3h 57mUnited Airlines

Tue 4/87:35 pmORD - BOI

Nonstop4h 14mUnited Airlines

Deal found 3/25

$350

Sat 4/52:11 pmBOI - ORD

3 stops43h 58mMultiple Airlines

Tue 4/82:53 pmORD - BOI

2 stops23h 04mMultiple Airlines

Deal found 3/25

$427

One-way flights from Oregon to O'Hare Intl
Search for one-way flight options from Oregon to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Fri 9/512:29 pmBOI - ORD

Nonstop3h 26mUnited Airlines

Deal found 3/25

$78

Wed 4/301:52 pmBOI - ORD

1 stop15h 41mSpirit Airlines

Deal found 3/26

$84

Sat 8/21:17 pmBOI - ORD

Nonstop3h 37mAmerican Airlines

Deal found 3/26

$85

Wed 6/44:01 pmBOI - ORD

1 stop6h 55mAlaska Airlines

Deal found 3/25

$87

Thu 5/12:20 pmBOI - ORD

1 stop8h 39mDelta

Deal found 3/26

$88

Wed 5/283:24 pmPDX - ORD

Nonstop4h 05mAmerican Airlines

Deal found 3/26

$90

Wed 6/2511:10 amPDX - ORD

1 stop10h 33mSpirit Airlines

Deal found 3/27

$91

Sat 5/314:00 pmRDM - ORD

1 stop5h 56mHawaiian Airlines

Deal found 3/26

$109

Wed 7/167:32 pmRDM - ORD

1 stop7h 46mUnited Airlines

Deal found 3/26

$110

Wed 4/3011:59 pmPDX - ORD

Nonstop3h 57mUnited Airlines

Deal found 3/27

$114

Wed 7/167:28 pmRDM - ORD

2 stops11h 54mDelta

Deal found 3/26

$115

Sun 5/411:02 amPDX - ORD

1 stop16h 08mMultiple Airlines

Deal found 3/27

$117

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 5/1

2:20 pm-11:59 pm

1 stop8h 39m

Chicago O'Hare Intl

Fri 5/2

1:25 pm-12:09 am

2 stops11h 44m

$180

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 9/12

12:29 pm-4:55 pm

Nonstop3h 26m

Chicago O'Hare Intl

Tue 9/16

1:58 pm-9:16 pm

1 stop8h 18m

$201

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 8/12

4:00 pm-11:39 pm

1 stop6h 39m

Chicago O'Hare Intl

Sat 8/16

6:00 am-3:04 pm

1 stop10h 04m

$204

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 6/4

4:20 pm-11:05 pm

1 stop5h 45m

Chicago O'Hare Intl

Fri 6/6

5:25 pm-1:05 am

1 stop8h 40m

$215

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 5/10

6:30 am-5:00 pm

1 stop9h 30m

Chicago O'Hare Intl

Sun 5/11

9:02 pm-11:21 am

1 stop15h 19m

$225

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 4/9

2:47 pm-11:59 pm

1 stop8h 12m

Chicago O'Hare Intl

Thu 4/10

7:00 am-1:52 pm

1 stop7h 52m

$241

PortlandChicago

PDX - ORD

PDXORD

Portland

Fri 4/25

11:52 pm-5:57 am

Nonstop4h 05m

Chicago O'Hare Intl

Sat 4/26

8:20 pm-11:02 pm

Nonstop4h 42m

$242

PortlandChicago

PDX - ORD

PDXORD

Portland

Thu 4/10

2:32 pm-6:33 am

1 stop14h 01m

Chicago O'Hare Intl

Sun 4/13

7:12 pm-9:12 am

1 stop16h 00m

$243

PortlandChicago

PDX - ORD

PDXORD

Portland

Sat 4/26

10:59 pm-9:21 am

1 stop8h 22m

Chicago O'Hare Intl

Sat 5/3

2:15 pm-6:54 pm

1 stop6h 39m

$247

RedmondChicago

RDM - ORD

RDMORD

Bend/Redmond

Sat 5/10

8:00 am-7:10 pm

1 stop9h 10m

Chicago O'Hare Intl

Sat 5/17

7:00 am-12:22 pm

1 stop7h 22m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 results

...

Best time to book a flight from Oregon to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Oregon with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Oregon to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Oregon to Chicago O'Hare Intl Airport (average of $245). Flying from Oregon to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to ORD?

When flying from Oregon to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Oregon to Chicago to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,897 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines

7.9

Good

2,336 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What are the cheapest airlines to fly from Oregon to Chicago O'Hare Intl Airport one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Oregon to Chicago O'Hare Intl Airport for a low price.
What are the most popular routes from Oregon to Chicago O'Hare Intl Airport?
While some choose either Boise Air Term. Gowen Fld - Chicago O'Hare Intl or Eugene - Chicago O'Hare Intl, Portland - Chicago O'Hare Intl is the most popular route from Oregon to Chicago O'Hare Intl Airport.
What are the most reliable airlines from Oregon to Chicago O'Hare Intl Airport?
The top 3 most reliable airlines when flying from Oregon to Chicago O'Hare Intl Airport are Lufthansa (96%), United Airlines (94%) and Air Canada (94%).
What are the cheapest flights from Oregon to Chicago O'Hare Intl Airport?
Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Portland - Chicago O'Hare Intl) can be booked for $176 on average our data indicates $1,439 when flying from Oregon to Chicago O'Hare Intl Airport.
Can I find deals for flights from Oregon to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Oregon to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oregon to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to O'Hare Intl.
Can I find deals for business class flights from Oregon to O'Hare Intl?
Yes. Cheapflights offers flight deals from Oregon to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Oregon to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Oregon to Chicago O'Hare Intl Airport (average of $245). Flying from Oregon to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 7 airlines flying from Oregon to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$82	Average$135	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$108	Average$193	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$185	Average$488	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$189	Average$420	FlexibilityNo cancel fee	On-time71%
Hawaiian Airlines	Cheapest$202	Average$383	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$207	Average$394	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$215	Average$533	FlexibilityNo cancel fee	On-time69%

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$78+ Cheap flights from Oregon to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Keep the following information in mind while searching for Oregon to O'Hare Intl flight deals. Data was last updated March 28, 2025.

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Cheapest flights from Oregon to O'Hare IntlExplore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

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Everything you need to know about your flight from Oregon to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Oregon to Chicago O'Hare Intl Airport?

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Find hourly flight availability from Oregon to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in O'Hare Intl by month

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Temperature in O'Hare Intl by month

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Reviews of airlines servicing O'Hare Intl

Related info for your journey

Find useful and relevant information for your journey from Oregon to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Oregon to Chicago O'Hare Intl Airport one-way?

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Cheapest flights from Oregon to O'Hare Intl
Explore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.