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Cheap flights from Chicago 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 to Portland departing on 1/13. 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 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
Southwest Logo
3:35 pm - 6:00 pm
MDW
-
PDX
4h 25mnonstop
Southwest Logo
11:30 am - 9:15 pm
PDX
-
MDW
7h 45m1 stop
$227Southwest
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
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
Southwest Logo
5:05 am - 10:50 am
MDW
-
PDX
7h 45m1 stop
Southwest Logo
6:30 am - 12:25 pm
PDX
-
MDW
3h 55mnonstop
$237Southwest
Fri, Jan 23 - Tue, Jan 27

Frontier flights from Chicago to Portland

Our best Frontier deals on Chicago 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

Alaska Airlines flights from Chicago to Portland

Our best Alaska Airlines deals on Chicago to Portland flight tickets
Alaska Airlines
Jan 12
ORD2:06 pmChicago O'Hare Intl
4h 42m
PDX4:48 pmPortland
Jan 18
PDX7:05 amPortland
4h 05m
ORD1:10 pmChicago O'Hare Intl
$226
Find similar
Alaska Airlines
Jan 6
ORD3:37 pmChicago O'Hare Intl
10h 28m
1 stop
PDX12:05 amPortland
Jan 13
PDX7:05 amPortland
4h 05m
ORD1:10 pmChicago O'Hare Intl
$227
Find similar
Alaska Airlines
Feb 14
ORD2:07 pmChicago O'Hare Intl
4h 43m
PDX4:50 pmPortland
Feb 18
PDX1:36 pmPortland
8h 20m
1 stop
ORD11:56 pmChicago O'Hare Intl
$234
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 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

MDW - PDX

MDWPDX

Chicago Midway

Tue 1/6

3:35 pm-6:00 pm

Nonstop4h 25m

Portland

Tue 1/13

11:30 am-9:15 pm

1 stop7h 45m

$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

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

MDW - PDX

MDWPDX

Chicago Midway

Fri 1/23

5:05 am-10:50 am

1 stop7h 45m

Portland

Tue 1/27

6:30 am-12:25 pm

Nonstop3h 55m

$237

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 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 typical price of a round-trip flight between Chicago and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Chicago is in January. Flight prices, which tend to average around $260, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until September to fly from Chicago, when ticket prices are also cheap, with an average price of $280.

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 to Portland flight route?

Fly from Chicago O'Hare Intl to Portland for the best Chicago - 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 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 for as low as $267 on momondo.

What cabin class options are available on Chicago to Portland flights?

There are 4 cabin classes available to choose from on Chicago 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 to Portland flights?

You could potentially save up to 8% on your flight if you consider stops on a Chicago to Portland flight.

How have Chicago to Portland flight prices changed over time?

As of December 2025, prices for Chicago to Portland flights are approximately 37% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Portland

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

Cheap Chicago to Portland (CHI to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Portland

Best Price Found

$118

Fastest flight time

4h 20m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Chicago in the past 72 hours is $118. The best round-trip flight deal from Chicago to Portland found on momondo in the last 72 hours is $273.
The fastest flight from Chicago to Portland takes 4h 20m
Direct flights go from Chicago to Portland every day.
There is 1 airport in Portland. From Chicago there are direct flights to Portland (PDX).
Search flight deals

  • How far is Chicago to Portland by plane?

    A flight from Chicago to Portland will travel around 1753.4 mi. Flights usually cover this in 4h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Portland Airport?

    Prices for flights from Chicago to Portland Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Portland Airport?

  • How old do you have to be to fly from Chicago 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 to Portland Airport.

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

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Portland?

  • What is the most popular airline from Chicago to Portland?

Best airlines flying from Chicago to Portland

Compare and see reviews for airlines that fly from Chicago to Portland with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,180 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
11,432 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
SouthwestPriceFrom $238Free CancellationRating
7.9
4,253 reviews
Search Southwest flights

  • Alaska Airlines Flights From Chicago to Portland

    Alaska Airlines flight deals from Chicago to Portland start from $207 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $310 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Chicago to Portland

    Another popular option for Chicago to Portland flights is Southwest (7.9/10, 4,253 ratings). Southwest flies from Chicago to Portland around 4 times per week, with deals starting from $238 round-trip and rising to an average price of around $432.

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?

It is quick and easy to find Chicago to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

All flight searches from Chicago to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Portland.

I’m not ready to book a flight from Chicago to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Portland 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.

An easier way to manage your Portland trip

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