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Cheap flights from Chicago O'Hare Intl Airport to Oregon from $127

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 8/26. 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
1 adult, Economy, 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
7:00 am - 2:57 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
8h 57m1 stop Las Vegas Harry Reid Intl
Frontier Logo
3:52 pm - 5:35 amBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
12h 43m1 stop Las Vegas Harry Reid Intl
$232Frontier
Thu, Nov 5 - Mon, Nov 9
Frontier Logo
1:02 pm - 2:57 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
26h 55m1 stop Las Vegas Harry Reid Intl
Frontier Logo
3:52 pm - 5:35 amBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
12h 43m1 stop Las Vegas Harry Reid Intl
$242Frontier
Thu, Nov 5 - Mon, Nov 9
Alaska Airlines Logo
7:16 pm - 9:56 amORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
15h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:41 pm - 1:23 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
17h 42m1 stop San Diego
$302Alaska Airlines
Fri, Oct 30 - Mon, Nov 2
Alaska Airlines Logo
6:00 am - 12:35 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
7h 35m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:20 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
6h 39m1 stop Seattle/Tacoma Intl
$302Alaska Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
6:50 am - 3:30 pmORD  Chicago O'Hare Intl-MFR Medford
10h 40m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:40 pm - 5:42 amMFR  Medford-ORD Chicago O'Hare Intl
11h 02m1 stop Las Vegas Harry Reid Intl
$311Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
11:12 am - 2:02 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
3h 50mnonstop
American Airlines Logo
3:21 pm - 8:16 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
3h 55mnonstop
$314American Airlines
Sat, Sep 5 - Fri, Sep 11
Multiple Airlines Logo
11:06 am - 4:35 pmORD  Chicago O'Hare Intl-PDX Portland
7h 29m1 stop Denver Intl
Multiple Airlines Logo
7:00 am - 1:18 pmPDX  Portland-ORD Chicago O'Hare Intl
4h 18mnonstop
$314Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
11:12 am - 2:02 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
3h 50mnonstop
American Airlines Logo
3:21 pm - 8:16 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
3h 55mnonstop
$315American Airlines
Sat, Sep 5 - Fri, Sep 11
United Airlines Logo
8:40 am - 11:26 amORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
3h 46mnonstop
United Airlines Logo
12:28 pm - 5:05 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
3h 37mnonstop
$331United Airlines
Tue, Sep 15 - Wed, Sep 23
United Airlines Logo
8:40 am - 11:30 amORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
3h 50mnonstop
United Airlines Logo
12:37 pm - 5:10 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
3h 33mnonstop
$331United Airlines
Tue, Nov 3 - Tue, Nov 10

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Frontier flights from Chicago O'Hare Intl Airport to Oregon

Our best Frontier deals on Chicago O'Hare Intl Airport to Oregon flight tickets
Frontier
Nov 5
ORD7:00 amChicago O'Hare Intl
8h 57m
1 stop
BOI2:57 pmBoise Air Term. Gowen Fld
Nov 9
BOI3:52 pmBoise Air Term. Gowen Fld
12h 43m
1 stop
ORD5:35 amChicago O'Hare Intl
$232
Frontier
Sep 9
ORD1:21 pmChicago O'Hare Intl
25h 34m
1 stop
BOI1:55 pmBoise Air Term. Gowen Fld
Sep 14
BOI2:50 pmBoise Air Term. Gowen Fld
13h 48m
1 stop
ORD5:38 amChicago O'Hare Intl
$242
Frontier
Oct 22
ORD6:50 amChicago O'Hare Intl
9h 07m
1 stop
BOI2:57 pmBoise Air Term. Gowen Fld
Oct 26
BOI3:52 pmBoise Air Term. Gowen Fld
12h 50m
1 stop
ORD5:42 amChicago O'Hare Intl
$257

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 11
ORD6:00 amChicago O'Hare Intl
7h 35m
1 stop
BOI12:35 pmBoise Air Term. Gowen Fld
Sep 14
BOI6:49 pmBoise Air Term. Gowen Fld
17h 33m
1 stop
ORD1:22 pmChicago O'Hare Intl
$302
Alaska Airlines
Sep 29
ORD8:00 amChicago O'Hare Intl
7h 22m
1 stop
BOI2:22 pmBoise Air Term. Gowen Fld
Sep 29
BOI4:20 pmBoise Air Term. Gowen Fld
6h 39m
1 stop
ORD11:59 pmChicago O'Hare Intl
$305
Alaska Airlines
Sep 5
ORD6:54 pmChicago O'Hare Intl
15h 58m
1 stop
BOI9:52 amBoise Air Term. Gowen Fld
Sep 11
BOI6:49 pmBoise Air Term. Gowen Fld
17h 33m
1 stop
ORD1:22 pmChicago O'Hare Intl
$310

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 August 10, 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 Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Thu 11/5

7:00 am-2:57 pm

1 stop8h 57m

Boise Air Term. Gowen Fld

Mon 11/9

3:52 pm-5:35 am

1 stop12h 43m

$232

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Thu 11/5

1:02 pm-2:57 pm

1 stop26h 55m

Boise Air Term. Gowen Fld

Mon 11/9

3:52 pm-5:35 am

1 stop12h 43m

$242

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Fri 10/30

7:16 pm-9:56 am

1 stop15h 40m

Boise Air Term. Gowen Fld

Mon 11/2

6:41 pm-1:23 pm

1 stop17h 42m

$302

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Wed 9/23

6:00 am-12:35 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Wed 9/30

4:20 pm-11:59 pm

1 stop6h 39m

$302

ChicagoMedford

ORD Chicago O'Hare Intl - MFR Medford

ORDMFR

Chicago O'Hare Intl

Fri 10/16

6:50 am-3:30 pm

1 stop10h 40m

Medford

Mon 10/19

4:40 pm-5:42 am

1 stop11h 02m

$311

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Sat 9/5

11:12 am-2:02 pm

Nonstop3h 50m

Boise Air Term. Gowen Fld

Fri 9/11

3:21 pm-8:16 pm

Nonstop3h 55m

$314

ChicagoPortland

ORD Chicago O'Hare Intl - PDX Portland

ORDPDX

Chicago O'Hare Intl

Sat 10/24

11:06 am-4:35 pm

1 stop7h 29m

Portland

Tue 10/27

7:00 am-1:18 pm

Nonstop4h 18m

$314

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Sat 9/5

11:12 am-2:02 pm

Nonstop3h 50m

Boise Air Term. Gowen Fld

Fri 9/11

3:21 pm-8:16 pm

Nonstop3h 55m

$315
Quickest round-trip

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Tue 9/15

8:40 am-11:26 am

Nonstop3h 46m

Boise Air Term. Gowen Fld

Wed 9/23

12:28 pm-5:05 pm

Nonstop3h 37m

$331

ChicagoBoise

ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld

ORDBOI

Chicago O'Hare Intl

Tue 11/3

8:40 am-11:30 am

Nonstop3h 50m

Boise Air Term. Gowen Fld

Tue 11/10

12:37 pm-5:10 pm

Nonstop3h 33m

$331

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 February is, on average, the cheapest month to fly to Oregon from Chicago O'Hare Intl Airport, with most prices found around $323. The month of April is another great option to travel to Oregon, with average flight prices from Chicago O'Hare Intl Airport averaging around $324.

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 $346. 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 $428.

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 $337. 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 $453. 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 $344 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 14% 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

$203

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 $203. The best round-trip flight deal from Chicago O'Hare Intl Airport to Oregon found on momondo in the last 72 hours is $339.
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 Portland (PDX), 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
FrontierPriceFrom $150Free CancellationRating
5.6
2,715 reviews
Search Frontier flights
JetBluePriceFrom $191Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $205Free CancellationRating
7.9
12,790 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $212Free CancellationRating
7.1
11,896 reviews
Search American Airlines flights
United AirlinesPriceFrom $213Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.8
8,496 reviews
Search Delta 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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