How does KAYAK find such low prices on flights from Illinois to Portland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Portland. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Portland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Portland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Portland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$79 CHEAP FLIGHTS from Illinois to Portland

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Cheap Flights from Illinois to Portland

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Portland

Sat, Oct 25 - Fri, Oct 31

2:04 pm - 4:37 pmORD-PDX

4h 33mnonstop

11:00 pm - 5:01 amPDX-ORD

4h 01mnonstop

$202Hawaiian Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 12

6:24 pm - 11:48 amMDW-PDX

19h 24m1 stop

12:43 pm - 12:36 amPDX-MDW

9h 53m1 stop

$204Frontier

Find Deal

Sat, Oct 25 - Fri, Oct 31

7:00 am - 9:32 amORD-PDX

4h 32mnonstop

11:00 pm - 5:01 amPDX-ORD

4h 01mnonstop

$205Multiple Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 29

7:15 am - 11:48 amORD-PDX

6h 33m1 stop

11:00 pm - 5:01 amPDX-ORD

4h 01mnonstop

$207Multiple Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

7:30 am - 9:59 amORD-PDX

4h 29mnonstop

11:58 pm - 5:53 amPDX-ORD

3h 55mnonstop

$210American Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

3:47 pm - 10:45 pmORD-PDX

8h 58m1 stop

11:59 pm - 5:52 amPDX-ORD

3h 53mnonstop

$215United Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

6:00 am - 12:25 pmORD-PDX

8h 25m1 stop

11:00 pm - 5:01 amPDX-ORD

4h 01mnonstop

$219Alaska Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

2:05 pm - 4:41 pmORD-PDX

4h 36mnonstop

11:00 pm - 5:01 amPDX-ORD

4h 01mnonstop

$227Alaska Airlines

Find Deal

Wed, Oct 29 - Sat, Nov 1

9:05 am - 11:48 amORD-PDX

4h 43mnonstop

7:00 am - 1:02 pmPDX-ORD

4h 02mnonstop

$231United Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

5:34 pm - 11:29 pmMLI-PDX

7h 55m1 stop

11:59 pm - 10:14 amPDX-MLI

8h 15m1 stop

$270American Airlines

Find Deal

Cheapest round-trip

$202

Overall average: $317

Hawaiian Airlines

Sat 10/25Fri 10/31

ORD - PDX • Non-stop

Cheapest one-way

$79

Typical prices: $174-271

Frontier

Fri 9/26

STL - PDX • 1 stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Portland!

Useful Info

Low season	January
High season	July
Cheapest flight	$79

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 6% increase in price.

Flight from St. Louis to Portland

How does KAYAK find such low prices on flights from Illinois to Portland?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Portland.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Portland?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Portland?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Portland?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Seaside

Vancouver

Salem

The Dalles

Lake Oswego

Clackamas

Stevenson

Government Camp

Carson

Kelso

Gleneden Beach

Gladstone

Oceanside

Dundee

Durham

Everything you need to know for your flight to Portland

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Portland

Portland (PDX)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PDX

$79 Find Cheap Flights from Illinois to Portland

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

Cheap Flights from Illinois to Portland

Recent round-trip flight deals from Illinois to Portland

Recent one-way flight deals from Illinois to Portland

Recent last minute flight deals from Illinois to Portland

Recent direct flight deals from Illinois to Portland

Everything you should know

Good to know

FAQs for booking flights from Illinois to Portland

How does KAYAK find such low prices on flights from Illinois to Portland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Portland.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Portland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Portland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Portland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Portland?

Everything you need to know for your flight to Portland

Information on the airport you'll fly into in Portland

Cabin class types available on flights to Illinois

Complete your trip to Portland with a hotel stay or car rental

Find direct flights for Portland

Flights to other popular destinations

Flights from domestic origins to Portland

Choose which airport to fly into in Portland

Find deals for your return flight