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Cheap flights from Chicago O'Hare Intl Airport to Portland from $77

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 10/7. 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

Frontier Logo
6:50 am - 11:48 amORD-PDX
6h 58m1 stop
Frontier Logo
12:43 pm - 12:59 amPDX-ORD
10h 16m1 stop
$152Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
Frontier Logo
10:42 am - 12:12 amORD-PDX
15h 30m1 stop
Frontier Logo
7:15 am - 9:28 pmPDX-ORD
12h 13m1 stop
$165Frontier
Find Deal
Fri, Sep 5 - Wed, Sep 10
Spirit Airlines Logo
11:15 am - 11:11 amORD-PDX
25h 56m1 stop
Spirit Airlines Logo
12:07 pm - 9:32 pmPDX-ORD
7h 25m1 stop
$167Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Logo
10:42 am - 12:12 amORD-PDX
15h 30m1 stop
Logo
12:07 pm - 9:32 pmPDX-ORD
7h 25m1 stop
$169
Find Deal
Thu, Sep 4 - Wed, Sep 10
Logo
9:54 pm - 11:11 amORD-PDX
15h 17m1 stop
Logo
12:07 pm - 9:32 pmPDX-ORD
7h 25m1 stop
$170
Find Deal
Mon, Sep 15 - Wed, Sep 17
Spirit Airlines Logo
7:09 pm - 11:11 amORD-PDX
18h 02m2 stops
Spirit Airlines Logo
12:07 pm - 9:32 pmPDX-ORD
7h 25m1 stop
$180Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Hawaiian Airlines Logo
7:00 am - 9:25 amORD-PDX
4h 25mnonstop
Hawaiian Airlines Logo
5:50 pm - 12:04 amPDX-ORD
4h 14mnonstop
$184Hawaiian Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Hawaiian Airlines Logo
7:00 am - 9:25 amORD-PDX
4h 25mnonstop
Hawaiian Airlines Logo
5:50 pm - 12:04 amPDX-ORD
4h 14mnonstop
$197Hawaiian Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Alaska Airlines Logo
7:00 am - 9:25 amORD-PDX
4h 25mnonstop
Alaska Airlines Logo
5:50 pm - 12:04 amPDX-ORD
4h 14mnonstop
$205Alaska Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Alaska Airlines Logo
7:00 am - 9:25 amORD-PDX
4h 25mnonstop
Alaska Airlines Logo
10:55 pm - 5:00 amPDX-ORD
4h 05mnonstop
$218Alaska Airlines
Find Deal
Sun, Aug 31 - Sun, Sep 7

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
Oct 24
ORD6:50 amChicago O'Hare Intl
6h 58m
1 stop
PDX11:48 amPortland
Oct 27
PDX12:43 pmPortland
10h 16m
1 stop
ORD12:59 amChicago O'Hare Intl
$152
Find similar
Frontier
Sep 5
ORD10:42 amChicago O'Hare Intl
15h 30m
1 stop
PDX12:12 amPortland
Sep 10
PDX7:15 amPortland
12h 13m
1 stop
ORD9:28 pmChicago O'Hare Intl
$165
Find similar
Frontier
Oct 14
ORD7:15 amChicago O'Hare Intl
6h 33m
1 stop
PDX11:48 amPortland
Oct 18
PDX12:43 pmPortland
9h 10m
1 stop
ORD11:53 pmChicago O'Hare Intl
$168
Find similar

Spirit Airlines flights from Chicago O'Hare Intl Airport to Portland

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to Portland flight tickets
Spirit Airlines
Sep 9
ORD11:15 amChicago O'Hare Intl
25h 56m
1 stop
PDX11:11 amPortland
Sep 16
PDX12:07 pmPortland
7h 25m
1 stop
ORD9:32 pmChicago O'Hare Intl
$167
Find similar
Spirit Airlines
Sep 10
ORD7:09 pmChicago O'Hare Intl
18h 02m
2 stops
PDX11:11 amPortland
Sep 17
PDX12:07 pmPortland
7h 25m
1 stop
ORD9:32 pmChicago O'Hare Intl
$180
Find similar
Spirit Airlines
Sep 2
ORD6:00 amChicago O'Hare Intl
14h 57m
1 stop
PDX6:57 pmPortland
Sep 8
PDX12:07 pmPortland
28h 44m
1 stop
ORD6:51 pmChicago O'Hare Intl
$188
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 August 17, 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

Fri 10/24

6:50 am-11:48 am

1 stop6h 58m

Portland

Mon 10/27

12:43 pm-12:59 am

1 stop10h 16m

$152

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Fri 9/5

10:42 am-12:12 am

1 stop15h 30m

Portland

Wed 9/10

7:15 am-9:28 pm

1 stop12h 13m

$165

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Tue 9/9

11:15 am-11:11 am

1 stop25h 56m

Portland

Tue 9/16

12:07 pm-9:32 pm

1 stop7h 25m

$167

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 9/4

10:42 am-12:12 am

1 stop15h 30m

Portland

Wed 9/10

12:07 pm-9:32 pm

1 stop7h 25m

$169

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Mon 9/15

9:54 pm-11:11 am

1 stop15h 17m

Portland

Wed 9/17

12:07 pm-9:32 pm

1 stop7h 25m

$170

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 9/10

7:09 pm-11:11 am

2 stops18h 02m

Portland

Wed 9/17

12:07 pm-9:32 pm

1 stop7h 25m

$180

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 8/30

7:00 am-9:25 am

Nonstop4h 25m

Portland

Sat 9/6

5:50 pm-12:04 am

Nonstop4h 14m

$184

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 8/30

7:00 am-9:25 am

Nonstop4h 25m

Portland

Sat 9/6

5:50 pm-12:04 am

Nonstop4h 14m

$197

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 8/30

7:00 am-9:25 am

Nonstop4h 25m

Portland

Sat 9/6

5:50 pm-12:04 am

Nonstop4h 14m

$205

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sun 8/31

7:00 am-9:25 am

Nonstop4h 25m

Portland

Sun 9/7

10:55 pm-5:00 am

Nonstop4h 05m

$218

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 $283, 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 $297.

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 Tuesday when prices can be found for as low as $330. 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 Sunday, with ticket prices averaging around $401.

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 $315. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $425 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 $333 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 $286 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?

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

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

As of August 2025, prices for Chicago O'Hare Intl Airport to Portland flights are approximately 55% cheaper 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

$77

Fastest flight time

4h 25m

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 $77. The best round-trip flight deal from Chicago O'Hare Intl Airport to Portland found on momondo in the last 72 hours is $152.
The fastest flight from Chicago O'Hare Intl Airport to Portland takes 4h 25m
Direct flights go from Chicago O'Hare Intl Airport to Portland every day.
There is 1 airport near Portland: 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 25m.

  • 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 $79Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $118Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $123Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $134Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $183Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
8,925 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 7 flights/week on average for this route. A good Alaska Airlines flight deal for Chicago O'Hare Intl Airport to Portland starts from $183 round-trip, up to an average price of $289. 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 $285, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,664 user reviews) flies into Portland from Chicago O'Hare Intl Airport 9 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
Beaverton
Rockaway Beach
Hood River
Hillsboro
Gresham
McMinnville
Tigard
Longview
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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