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Cheap flights from Chicago O'Hare Intl Airport to Portland from $119

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 Portland departing on 1/9. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:10 am - 11:57 am
ORD
-
PDX
4h 47mnonstop
United Airlines Logo
1:24 pm - 9:15 pm
PDX
-
ORD
5h 51m1 stop
$223United Airlines
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
5:29 pm - 11:44 pm
ORD
-
PDX
8h 15m1 stop
Multiple Airlines Logo
12:55 pm - 1:07 am
PDX
-
ORD
10h 12m1 stop
$225Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
Alaska Airlines Logo
2:06 pm - 4:48 pm
ORD
-
PDX
4h 42mnonstop
Alaska Airlines Logo
7:05 am - 1:10 pm
PDX
-
ORD
4h 05mnonstop
$226Alaska Airlines
Mon, Jan 12 - Sun, Jan 18
Alaska Airlines Logo
3:37 pm - 12:05 am
ORD
-
PDX
10h 28m1 stop
Alaska Airlines Logo
7:05 am - 1:10 pm
PDX
-
ORD
4h 05mnonstop
$227Alaska Airlines
Tue, Jan 6 - Tue, Jan 13
Hawaiian Airlines Logo
2:06 pm - 4:48 pm
ORD
-
PDX
4h 42mnonstop
Hawaiian Airlines Logo
7:05 am - 1:10 pm
PDX
-
ORD
4h 05mnonstop
$228Hawaiian Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
8:00 am - 1:48 pm
ORD
-
PDX
7h 48m1 stop
Multiple Airlines Logo
11:59 am - 9:24 pm
PDX
-
ORD
7h 25m1 stop
$230Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
2:30 pm - 11:04 am
ORD
-
PDX
22h 34m1 stop
Frontier Logo
11:29 am - 1:57 pm
PDX
-
ORD
24h 28m2 stops
$231Frontier
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
12:53 pm - 6:10 pm
ORD
-
PDX
7h 17m1 stop
United Airlines Logo
1:24 pm - 9:15 pm
PDX
-
ORD
5h 51m1 stop
$232United Airlines
Wed, Jan 7 - Tue, Jan 13
Frontier Logo
1:32 pm - 7:50 pm
ORD
-
PDX
8h 18m1 stop
Frontier Logo
11:59 am - 9:24 pm
PDX
-
ORD
7h 25m1 stop
$233Frontier
Mon, Jan 5 - Thu, Jan 15
Alaska Airlines Logo
2:07 pm - 4:50 pm
ORD
-
PDX
4h 43mnonstop
Alaska Airlines Logo
1:36 pm - 11:56 pm
PDX
-
ORD
8h 20m1 stop
$234Alaska Airlines
Sat, Feb 14 - Wed, Feb 18

Frontier flights from Chicago O'Hare Intl Airport to Portland

Our best Frontier deals on Chicago O'Hare Intl Airport to Portland flight tickets
Frontier
Jan 15
ORD2:30 pmChicago O'Hare Intl
22h 34m
1 stop
PDX11:04 amPortland
Jan 18
PDX8:18 amPortland
9h 18m
1 stop
ORD7:36 pmChicago O'Hare Intl
$225
Find similar
Frontier
Jan 15
ORD2:30 pmChicago O'Hare Intl
22h 34m
1 stop
PDX11:04 amPortland
Jan 19
PDX11:29 amPortland
24h 28m
2 stops
ORD1:57 pmChicago O'Hare Intl
$231
Find similar
Frontier
Jan 5
ORD1:32 pmChicago O'Hare Intl
8h 18m
1 stop
PDX7:50 pmPortland
Jan 15
PDX11:59 amPortland
7h 25m
1 stop
ORD9:24 pmChicago O'Hare Intl
$233
Find similar

Delta flights from Chicago O'Hare Intl Airport to Portland

Our best Delta deals on Chicago O'Hare Intl Airport to Portland flight tickets
Delta
Jan 11
ORD2:20 pmChicago O'Hare Intl
6h 30m
1 stop
PDX6:50 pmPortland
Feb 1
PDX1:30 pmPortland
8h 23m
1 stop
ORD11:53 pmChicago O'Hare Intl
$257
Find similar
Delta
Jan 6
ORD2:20 pmChicago O'Hare Intl
6h 30m
1 stop
PDX6:50 pmPortland
Jan 18
PDX7:10 amPortland
14h 43m
1 stop
ORD11:53 pmChicago O'Hare Intl
$261
Find similar
Delta
May 23
ORD6:00 amChicago O'Hare Intl
8h 54m
1 stop
PDX12:54 pmPortland
May 30
PDX3:50 pmPortland
5h 57m
1 stop
ORD11:47 pmChicago O'Hare Intl
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Portland 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 December 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Tue 1/6

9:10 am-11:57 am

Nonstop4h 47m

Portland

Tue 1/13

1:24 pm-9:15 pm

1 stop5h 51m

$223

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Mon 2/23

5:29 pm-11:44 pm

1 stop8h 15m

Portland

Mon 3/9

12:55 pm-1:07 am

1 stop10h 12m

$225

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Mon 1/12

2:06 pm-4:48 pm

Nonstop4h 42m

Portland

Sun 1/18

7:05 am-1:10 pm

Nonstop4h 05m

$226

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Tue 1/6

3:37 pm-12:05 am

1 stop10h 28m

Portland

Tue 1/13

7:05 am-1:10 pm

Nonstop4h 05m

$227

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Fri 1/23

2:06 pm-4:48 pm

Nonstop4h 42m

Portland

Fri 1/30

7:05 am-1:10 pm

Nonstop4h 05m

$228

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 1/8

8:00 am-1:48 pm

1 stop7h 48m

Portland

Thu 1/15

11:59 am-9:24 pm

1 stop7h 25m

$230

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 1/15

2:30 pm-11:04 am

1 stop22h 34m

Portland

Mon 1/19

11:29 am-1:57 pm

2 stops24h 28m

$231

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 1/7

12:53 pm-6:10 pm

1 stop7h 17m

Portland

Tue 1/13

1:24 pm-9:15 pm

1 stop5h 51m

$232

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Mon 1/5

1:32 pm-7:50 pm

1 stop8h 18m

Portland

Thu 1/15

11:59 am-9:24 pm

1 stop7h 25m

$233

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 2/14

2:07 pm-4:50 pm

Nonstop4h 43m

Portland

Wed 2/18

1:36 pm-11:56 pm

1 stop8h 20m

$234

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 Portland from

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

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 Portland?

The cheapest month to fly to Portland from Chicago O'Hare Intl Airport is in August. Flight prices, which tend to average around $293, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until September to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $301.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $406.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $320. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $483 per ticket.

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

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

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $335 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Chicago O'Hare Intl Airport for as low as $267 on momondo.

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

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

You could potentially save up to 8% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Portland flight.

How have Chicago O'Hare Intl Airport to Portland flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Portland flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Portland (ORD to PDX) flight deals and tips

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

Best Price Found

$162

Fastest flight time

4h 20m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Chicago O'Hare Intl Airport in the past 72 hours is $162. The best round-trip flight deal from Chicago O'Hare Intl Airport to Portland found on momondo in the last 72 hours is $290.
The fastest flight from Chicago O'Hare Intl Airport to Portland takes 4h 20m
Direct flights go from Chicago O'Hare Intl Airport to Portland every day.
There is 1 airport in Portland. From Chicago O'Hare Intl Airport there are direct flights to Portland (PDX).
Search flight deals

  • How far is Chicago O'Hare Intl to Portland by plane?

    There are 1737.6 mi between Chicago O'Hare Intl and Portland. In terms of flight time, this usually takes a little over 4h 20m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Portland Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland 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 Portland 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 Chicago O'Hare Intl Airport to Portland?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Portland?

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Portland with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,177 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $134Free CancellationRating
7.8
2,817 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $207Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Chicago O'Hare Intl Airport to Portland

    Alaska Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Portland, operating 3 flights/week on average for this route. A good Alaska Airlines flight deal for Chicago O'Hare Intl Airport to Portland starts from $207 round-trip, up to an average price of $310. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Chicago O'Hare Intl Airport to Portland

    $134 is the best Hawaiian Airlines flight deal from Chicago O'Hare Intl Airport to Portland found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $284, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,817 user reviews) flies into Portland from Chicago O'Hare Intl Airport 8 times in an average week so prices can vary.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
McMinnville
Gresham
Longview
Tigard
The Dalles
Pacific City
Manzanita
Tillamook

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Portland for you.

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

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

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

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

If you are not ready to book a flight from Chicago to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland 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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