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O'Hare Intl

$85+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ORD
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap 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 February 18, 2026.

This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:30 am
EUG
-
ORD
1 stop8h 09m
Delta
Mon 4/276:00 pm
ORD
-
EUG
1 stop7h 58m
Delta
Deal found 2/16$187
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:30 am
EUG
-
ORD
2 stops12h 48m
Delta
Tue 4/286:00 pm
ORD
-
EUG
1 stop7h 58m
Delta
Deal found 2/16$192
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:15 am
EUG
-
ORD
1 stop8h 59m
Delta
Tue 10/277:20 am
ORD
-
EUG
1 stop6h 34m
Delta
Deal found 2/14$197
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:08 am
EUG
-
ORD
2 stops9h 57m
Delta
Sat 4/45:00 pm
ORD
-
EUG
2 stops8h 50m
Delta
Deal found 2/15$198
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:09 am
EUG
-
ORD
2 stops8h 09m
Delta
Mon 5/46:00 pm
ORD
-
EUG
1 stop7h 58m
Delta
Deal found 2/14$202
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:04 pm
BOI
-
ORD
1 stop11h 35m
Alaska Airlines
Sat 5/26:00 am
ORD
-
BOI
1 stop7h 35m
Alaska Airlines
Deal found 2/14$204
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:56 pm
PDX
-
ORD
Nonstop4h 04m
Alaska Airlines
Wed 7/157:20 am
ORD
-
PDX
Nonstop4h 28m
Alaska Airlines
Deal found 2/15$217
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:29 pm
BOI
-
ORD
Nonstop3h 47m
American Airlines
Sat 5/212:05 pm
ORD
-
BOI
1 stop12h 36m
American Airlines
Deal found 2/15$218
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:04 pm
BOI
-
ORD
1 stop11h 35m
Alaska Airlines
Mon 4/204:10 pm
ORD
-
BOI
1 stop8h 37m
Alaska Airlines
Deal found 2/15$219
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PDX
-
ORD
1 stop6h 11m
Alaska Airlines
Mon 3/92:07 pm
ORD
-
PDX
Nonstop4h 43m
Alaska Airlines
Deal found 2/14$219
This Expedia deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:53 am
PDX
-
ORD
1 stop16h 56m
Frontier
Wed 3/117:39 pm
ORD
-
PDX
1 stop18h 13m
Frontier
Deal found 2/14$220
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:36 pm
PDX
-
ORD
1 stop8h 20m
Alaska Airlines
Tue 3/102:07 pm
ORD
-
PDX
Nonstop4h 43m
Alaska Airlines
Deal found 2/14$221

Find flight deals from Oregon to O'Hare Intl

Keep the following information in mind while searching for Oregon to O'Hare Intl flight deals. Data was last updated February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Delta)

One-way from

$85
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$327

Good round-trip deal

$327 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Portland-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Chicago (CHI) flights.
Search Deals
From Oregon to Chicago O'Hare Intl
Search Deals
One-way flight from Oregon to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Oregon to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Oregon to Chicago O'Hare Intl Airport that are best for you.

Fly from

Oregon

Fly to

O'Hare Intl

Route

Depart

Return

Price

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 4/22

6:30 am-4:39 pm

1 stop8h 09m

Chicago O'Hare Intl

Mon 4/27

6:00 pm-11:58 pm

1 stop7h 58m

$187

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 4/22

6:30 am-4:39 pm

1 stop8h 09m

Chicago O'Hare Intl

Tue 4/28

6:00 pm-11:58 pm

1 stop7h 58m

$187

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 4/16

6:30 am-4:39 pm

1 stop8h 09m

Chicago O'Hare Intl

Sat 4/18

2:09 pm-11:58 pm

2 stops11h 49m

$192

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 4/22

6:30 am-4:39 pm

1 stop8h 09m

Chicago O'Hare Intl

Sat 4/25

2:09 pm-11:58 pm

2 stops11h 49m

$192

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 3/31

6:08 am-6:05 pm

2 stops9h 57m

Chicago O'Hare Intl

Sat 4/4

5:00 pm-10:46 pm

1 stop7h 46m

$192

EugeneChicago

EUG - ORD

EUGORD

Eugene

Mon 4/20

6:30 am-6:04 pm

2 stops9h 34m

Chicago O'Hare Intl

Tue 4/28

6:00 pm-11:58 pm

1 stop7h 58m

$192

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/21

6:30 am-9:18 pm

2 stops12h 48m

Chicago O'Hare Intl

Sat 4/25

2:09 pm-11:58 pm

2 stops11h 49m

$198

PortlandChicago

PDX - ORD

PDXORD

Portland

Thu 3/5

1:36 pm-11:56 pm

1 stop8h 20m

Chicago O'Hare Intl

Wed 3/11

2:07 pm-4:50 pm

Nonstop4h 43m

$219

PortlandChicago

PDX - ORD

PDXORD

Portland

Mon 3/9

1:36 pm-11:56 pm

1 stop8h 20m

Chicago O'Hare Intl

Tue 3/10

2:07 pm-4:50 pm

Nonstop4h 43m

$221

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 3/10

1:29 pm-11:56 pm

1 stop8h 27m

Chicago O'Hare Intl

Wed 3/11

5:29 pm-11:58 pm

1 stop8h 29m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 60 results
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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 $118). Flying from Oregon to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $237). 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?

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 February 18, 2026.

One of the essential ways to save on airfare from Oregon to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Oregon to O'Hare Intl. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Oregon to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Oregon to Chicago O'Hare Intl Airport

Explore weekly flight availability from Oregon to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 18, 2026.

The most flights from USOR to ORD are scheduled on a Tuesday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

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.

  • How long is the flight from Oregon to Chicago O'Hare Intl Airport?

    Airlines like Delta, Alaska Airlines, and United Airlines fly from Oregon to Chicago O'Hare Intl Airport in about 7h 40m. The time it takes to get you to your destination can typically vary by up to 40m. Airlines will cover a distance of 1733 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Spirit Airlines and Delta, 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 Gulf Air (100%), Brussels Airlines (95%) and Lufthansa (90%).

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

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Portland - Chicago O'Hare Intl) can be booked for $115 on average, our data indicates $904 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 $118). Flying from Oregon to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $237). 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.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora

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Alternative routes for Oregon to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Midway flights
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Dulles Intl to Midway flights
Reagan-National to Midway flights
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Love Field to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Atlanta to Midway flights
LaGuardia to Midway flights
Sky Harbor Intl to Midway flights
Minneapolis to O'Hare Intl flights
Baltimore to Midway flights
Orlando to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Tampa to O'Hare Intl flights
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Hobby to Midway flights
Hartford to O'Hare Intl flights
Los Angeles to Midway flights
Philadelphia to Midway flights
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Denver to Midway flights
Boston to Midway flights
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Orlando to Midway flights
San Jose to O'Hare Intl flights
San Francisco to Midway flights
Salt Lake City to O'Hare Intl flights
Detroit to O'Hare Intl flights

Top 8 airlines flying from Oregon to O'Hare Intl

Discover the top 8 airlines that operate flights from Oregon to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$234FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$194FlexibilityNo cancel feeOn-time65%
DeltaCheapest$99Average$352FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$125Average$320FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$179Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$474FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$418FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$209Average$398FlexibilityNo cancel feeOn-time75%

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