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Cheap flights from Chicago O'Hare Intl Airport to Oregon from $112

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 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:48 pm - 12:30 pm
ORD
-
BOI
15h 42m
1 stop
Frontier Logo
1:25 pm - 8:43 pm
BOI
-
ORD
6h 18m
1 stop
$281Frontier
Wed, Jun 24 - Tue, Jun 30
Multiple Airlines Logo
6:20 am - 1:43 pm
ORD
-
PDX
9h 23m
1 stop
Multiple Airlines Logo
6:59 pm - 5:28 am
PDX
-
ORD
8h 29m
1 stop
$288Multiple Airlines
Wed, Jul 22 - Mon, Jul 27
Alaska Airlines Logo
2:22 pm - 4:50 pm
ORD
-
PDX
4h 28mnonstop
Alaska Airlines Logo
5:35 pm - 11:41 pm
PDX
-
ORD
4h 06mnonstop
$301Alaska Airlines
Tue, Sep 1 - Wed, Sep 2
Alaska Airlines Logo
7:49 pm - 11:03 am
ORD
-
BOI
16h 14m
1 stop
Alaska Airlines Logo
8:00 pm - 1:21 pm
BOI
-
ORD
16h 21m
1 stop
$315Alaska Airlines
Sat, Jun 6 - Fri, Jun 12
American Airlines Logo
5:00 am - 11:18 am
ORD
-
BOI
7h 18m
1 stop
American Airlines Logo
3:12 pm - 7:59 pm
BOI
-
ORD
3h 47mnonstop
$325American Airlines
Wed, Jun 24 - Tue, Jun 30
United Airlines Logo
8:45 am - 11:13 am
ORD
-
EUG
4h 28mnonstop
United Airlines Logo
12:25 pm - 6:34 pm
EUG
-
ORD
4h 09mnonstop
$329United Airlines
Thu, Aug 27 - Thu, Sep 3
American Airlines Logo
11:30 am - 2:20 pm
ORD
-
BOI
3h 50mnonstop
American Airlines Logo
3:11 pm - 8:04 pm
BOI
-
ORD
3h 53mnonstop
$330American Airlines
Thu, May 28 - Mon, Jun 1
Delta Logo
5:41 pm - 11:46 pm
ORD
-
BOI
7h 05m
1 stop
Delta Logo
10:50 am - 6:50 pm
BOI
-
ORD
7h 00m
1 stop
$335Delta
Tue, May 26 - Thu, May 28
United Airlines Logo
8:40 am - 11:32 am
ORD
-
BOI
3h 52mnonstop
United Airlines Logo
12:33 pm - 5:05 pm
BOI
-
ORD
3h 32mnonstop
$338United Airlines
Sat, Jun 13 - Sat, Jun 27
Delta Logo
12:47 pm - 8:34 pm
ORD
-
BOI
8h 47m
1 stop
Delta Logo
5:20 am - 4:29 pm
BOI
-
ORD
10h 09m
2 stops
$340Delta
Thu, May 28 - Sat, Jun 6

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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
May 28
ORD12:09 pmChicago O'Hare Intl
4h 26m
PDX2:35 pmPortland
Jun 6
PDX11:30 amPortland
4h 17m
ORD5:47 pmChicago O'Hare Intl
$306
American Airlines
May 24
ORD9:25 pmChicago O'Hare Intl
4h 27m
PDX11:52 pmPortland
Jun 2
PDX11:00 pmPortland
4h 03m
ORD5:03 amChicago O'Hare Intl
$317
American Airlines
Jun 24
ORD5:00 amChicago O'Hare Intl
7h 18m
1 stop
BOI11:18 amBoise Air Term. Gowen Fld
Jun 30
BOI3:12 pmBoise Air Term. Gowen Fld
3h 47m
ORD7:59 pmChicago O'Hare Intl
$325

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
Sep 1
ORD2:22 pmChicago O'Hare Intl
4h 28m
PDX4:50 pmPortland
Sep 2
PDX5:35 pmPortland
4h 06m
ORD11:41 pmChicago O'Hare Intl
$301
Alaska Airlines
May 28
ORD2:18 pmChicago O'Hare Intl
4h 32m
PDX4:50 pmPortland
May 30
PDX7:00 amPortland
4h 22m
ORD1:22 pmChicago O'Hare Intl
$304
Alaska Airlines
Jun 17
ORD7:20 amChicago O'Hare Intl
4h 25m
PDX9:45 amPortland
Jul 1
PDX10:59 pmPortland
4h 01m
ORD5:00 amChicago O'Hare Intl
$305

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Oregon 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, momondo users made 832,500 searches. Data last updated May 6, 2026.
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

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/24

9:48 pm-12:30 pm

1 stop15h 42m

Boise Air Term. Gowen Fld

Tue 6/30

1:25 pm-8:43 pm

1 stop6h 18m

$281

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 7/22

6:20 am-1:43 pm

1 stop9h 23m

Portland

Mon 7/27

6:59 pm-5:28 am

1 stop8h 29m

$288

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Tue 9/1

2:22 pm-4:50 pm

Nonstop4h 28m

Portland

Wed 9/2

5:35 pm-11:41 pm

Nonstop4h 06m

$301

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 6/6

7:49 pm-11:03 am

1 stop16h 14m

Boise Air Term. Gowen Fld

Fri 6/12

8:00 pm-1:21 pm

1 stop16h 21m

$315

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/24

5:00 am-11:18 am

1 stop7h 18m

Boise Air Term. Gowen Fld

Tue 6/30

3:12 pm-7:59 pm

Nonstop3h 47m

$325

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

Thu 8/27

8:45 am-11:13 am

Nonstop4h 28m

Eugene

Thu 9/3

12:25 pm-6:34 pm

Nonstop4h 09m

$329

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 5/28

11:30 am-2:20 pm

Nonstop3h 50m

Boise Air Term. Gowen Fld

Mon 6/1

3:11 pm-8:04 pm

Nonstop3h 53m

$330

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 5/26

5:41 pm-11:46 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Thu 5/28

10:50 am-6:50 pm

1 stop7h 00m

$335
Quickest round-trip

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 6/13

8:40 am-11:32 am

Nonstop3h 52m

Boise Air Term. Gowen Fld

Sat 6/27

12:33 pm-5:05 pm

Nonstop3h 32m

$338

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 5/28

12:47 pm-8:34 pm

1 stop8h 47m

Boise Air Term. Gowen Fld

Sat 6/6

5:20 am-4:29 pm

2 stops10h 09m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $324. 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 $388.

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 $322. 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 $462. 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 $327 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 $271 on momondo.

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

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Oregon.

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

$164

Fastest flight time

3h 45m

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 $164. The best round-trip flight deal from Chicago O'Hare Intl Airport to Oregon found on momondo in the last 72 hours is $327.
The fastest flight from Chicago O'Hare Intl Airport to Oregon takes 3h 45m
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?

  • 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?

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
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,638 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $124Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $139Free CancellationRating
7.9
8,458 reviews
Search Delta flights
FrontierPriceFrom $150Free CancellationRating
5.6
2,964 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $189Free CancellationRating
7.9
12,332 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,684 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

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