What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Oregon according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 7 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

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

21 flights are operational daily from Oregon to Chicago O'Hare Intl Airport as of March 2026. The most popular departure time for this route is 7:00AM, with 79% of flights per day taking off at noon.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 3h 52m to fly from Oregon to Chicago O'Hare Intl Airport if you fly out of Eugene (the most popular airport in Oregon) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Portland and into Chicago O'Hare Intl Airport, then the flight time is around 4h 02m.

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

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

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

The number of flights available between Oregon and Chicago O'Hare Intl Airport is 151 per week as of March 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

When did momondo last update prices for flights from Oregon to Chicago O'Hare Intl Airport?

Prices for flights from Oregon to Chicago O'Hare Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Oregon to Chicago O'Hare Intl Airport?

There are 8 operators available for flights from Oregon to Chicago O'Hare Intl Airport as of March 2026.

How old do you have to be to fly from Oregon to Chicago O'Hare Intl 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 Oregon to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$105 Cheap Flights from Oregon to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Oregon to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:28 pm - 9:18 pm

EUG

ORD

6h 50m

1 stop

6:00 pm - 11:58 pm

ORD

EUG

7h 58m

1 stop

$177Delta

Tue, Apr 14 - Tue, Apr 21

6:30 am - 9:18 pm

EUG

ORD

12h 48m

2 stops

6:00 pm - 11:58 pm

ORD

EUG

7h 58m

1 stop

$182Delta

Tue, Apr 14 - Tue, Apr 21

6:35 am - 11:55 pm

EUG

ORD

15h 20m

2 stops

6:15 am - 4:40 pm

ORD

EUG

12h 25m

1 stop

$191Southwest

Tue, Apr 21 - Tue, Apr 28

6:35 am - 3:00 pm

EUG

ORD

6h 25m

1 stop

6:15 am - 4:40 pm

ORD

EUG

12h 25m

1 stop

$221Southwest

Tue, Apr 21 - Tue, Apr 28

9:54 am - 5:50 am

PDX

ORD

17h 56m

1 stop

7:21 pm - 11:50 am

ORD

PDX

18h 29m

1 stop

$223Frontier

Fri, Apr 17 - Wed, Apr 22

12:27 pm - 9:45 am

PDX

ORD

19h 18m

1 stop

7:21 pm - 11:50 am

ORD

PDX

18h 29m

1 stop

$231Frontier

Sat, Apr 18 - Sat, Apr 25

11:59 pm - 6:03 am

PDX

ORD

4h 04mnonstop

8:00 pm - 10:34 pm

ORD

PDX

4h 34mnonstop

$235United Airlines

Thu, Apr 16 - Mon, Apr 20

1:45 pm - 8:11 pm

PDX

ORD

4h 26mnonstop

7:29 am - 9:59 am

ORD

PDX

4h 30mnonstop

$236American Airlines

Thu, Jun 4 - Wed, Jun 10

11:47 pm - 5:49 am

PDX

ORD

4h 02mnonstop

8:19 pm - 10:56 pm

ORD

PDX

4h 37mnonstop

$237American Airlines

Thu, Apr 23 - Wed, Apr 29

1:55 pm - 12:59 am

RDM

ORD

9h 04m

1 stop

7:00 am - 12:38 pm

ORD

RDM

7h 38m

1 stop

$312United Airlines

Tue, Apr 21 - Sat, Apr 25

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

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

American Airlines

Jun 4

PDX1:45 pmPortland

4h 26m

ORD8:11 pmChicago O'Hare Intl

Jun 10

ORD7:29 amChicago O'Hare Intl

4h 30m

PDX9:59 amPortland

$236

American Airlines

Apr 23

PDX11:47 pmPortland

4h 02m

ORD5:49 amChicago O'Hare Intl

Apr 29

ORD8:19 pmChicago O'Hare Intl

4h 37m

PDX10:56 pmPortland

$237

American Airlines

Apr 18

PDX3:16 pmPortland

4h 18m

ORD9:34 pmChicago O'Hare Intl

Apr 25

ORD8:20 pmChicago O'Hare Intl

4h 37m

PDX10:57 pmPortland

$253

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

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

Alaska Airlines

Apr 14

EUG7:00 amEugene

9h 40m

1 stop

ORD6:40 pmChicago O'Hare Intl

Apr 21

ORD4:10 pmChicago O'Hare Intl

8h 20m

1 stop

EUG10:30 pmEugene

$257

Alaska Airlines

May 5

PDX8:45 amPortland

9h 07m

1 stop

ORD7:52 pmChicago O'Hare Intl

May 6

ORD8:50 amChicago O'Hare Intl

9h 59m

1 stop

PDX4:49 pmPortland

$270

Alaska Airlines

Sep 16

EUG5:48 pmEugene

11h 12m

1 stop

ORD7:00 amChicago O'Hare Intl

Sep 21

ORD5:55 pmChicago O'Hare Intl

8h 28m

1 stop

EUG12:23 amEugene

$277

momondo 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

Cheapest round-trip

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/14

12:28 pm-9:18 pm

1 stop6h 50m

Chicago O'Hare Intl

Tue 4/21

6:00 pm-11:58 pm

1 stop7h 58m

$177

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/14

6:30 am-9:18 pm

2 stops12h 48m

Chicago O'Hare Intl

Tue 4/21

6:00 pm-11:58 pm

1 stop7h 58m

$182

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/21

6:35 am-11:55 pm

2 stops15h 20m

Chicago O'Hare Intl

Tue 4/28

6:15 am-4:40 pm

1 stop12h 25m

$191

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/21

6:35 am-3:00 pm

1 stop6h 25m

Chicago O'Hare Intl

Tue 4/28

6:15 am-4:40 pm

1 stop12h 25m

$221

PortlandChicago

PDX - ORD

PDXORD

Portland

Fri 4/17

9:54 am-5:50 am

1 stop17h 56m

Chicago O'Hare Intl

Wed 4/22

7:21 pm-11:50 am

1 stop18h 29m

$223

PortlandChicago

PDX - ORD

PDXORD

Portland

Sat 4/18

12:27 pm-9:45 am

1 stop19h 18m

Chicago O'Hare Intl

Sat 4/25

7:21 pm-11:50 am

1 stop18h 29m

$231

Quickest round-trip

PortlandChicago

PDX - ORD

PDXORD

Portland

Thu 4/16

11:59 pm-6:03 am

Nonstop4h 04m

Chicago O'Hare Intl

Mon 4/20

8:00 pm-10:34 pm

Nonstop4h 34m

$235

PortlandChicago

PDX - ORD

PDXORD

Portland

Thu 6/4

1:45 pm-8:11 pm

Nonstop4h 26m

Chicago O'Hare Intl

Wed 6/10

7:29 am-9:59 am

Nonstop4h 30m

$236

PortlandChicago

PDX - ORD

PDXORD

Portland

Thu 4/23

11:47 pm-5:49 am

Nonstop4h 02m

Chicago O'Hare Intl

Wed 4/29

8:19 pm-10:56 pm

Nonstop4h 37m

$237

RedmondChicago

RDM - ORD

RDMORD

Bend/Redmond

Tue 4/21

1:55 pm-12:59 am

1 stop9h 04m

Chicago O'Hare Intl

Sat 4/25

7:00 am-12:38 pm

1 stop7h 38m

$312

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 Oregon to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Oregon averaging around $283.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $423. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $545.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Oregon in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $302 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $482. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Portland to Chicago O'Hare Intl for the best Oregon - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $338 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Oregon for as low as $270 on momondo.

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

There are 4 cabin classes available to choose from on Oregon to Chicago O'Hare Intl 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 Oregon to Chicago O'Hare Intl Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a Oregon to Chicago O'Hare Intl Airport flight.

Cheap Oregon to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Chicago O'Hare Intl Airport

Best Price Found	$168
Fastest flight time	3h 34m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Oregon in the past 72 hours is $168. The best round-trip flight deal from Oregon to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $328.

The fastest flight from Oregon to Chicago O'Hare Intl Airport takes 3h 34m

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

Search flight deals

When did momondo last update prices for flights from Oregon to Chicago O'Hare Intl Airport?
Prices for flights from Oregon to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Chicago O'Hare Intl Airport?
There are 8 operators available for flights from Oregon to Chicago O'Hare Intl Airport as of March 2026.
How old do you have to be to fly from Oregon to Chicago O'Hare Intl 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 Oregon to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Oregon to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Oregon to Chicago O'Hare Intl Airport is Boeing 737-800 (35.93% of total bookings). The next most popular plane models are Boeing 737-900 (13.41%), Boeing 737 MAX 9 (11.37%), and Boeing 737 MAX 8 (9.65%).

Best airlines flying from Oregon to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Oregon to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $93	Free Cancellation	Rating 6.3 8,539 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $96	Free Cancellation	Rating 5.7 3,020 reviews	Search Frontier flights
Delta	PriceFrom $99	Free Cancellation	Rating 7.9 8,317 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $125	Free Cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
United Airlines	PriceFrom $206	Free Cancellation	Rating 7.4 9,464 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $208	Free Cancellation	Rating 7.9 12,101 reviews	Search Alaska Airlines flights

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Hammond

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Tinley Park

South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Chicago?

Finding the right flight to Chicago from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Oregon to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Oregon with this policy.

How can momondo help me find flights from Oregon to Chicago?

Once all potential Oregon to Chicago 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 Oregon to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Oregon to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Oregon to Chicago from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Chicago departing on 5/19. 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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American Airlines flights from Oregon to Chicago O'Hare Intl Airport

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

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

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

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

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

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

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

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

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

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

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

What airlines fly to Chicago O'Hare Intl Airport?

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

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

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Oregon to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Chicago O'Hare Intl Airport

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Best airlines flying from Oregon to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Oregon to Chicago O'Hare Intl Airport with momondo

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