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.

$179 CHEAP FLIGHTS from Illinois to Portland

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Illinois to Portland

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

Tue, Nov 17 - Sat, Nov 21

10:40 am - 3:23 pmMLI Moline Quad-City-PDX Portland

6h 43m1 stop Chicago O'Hare Intl

11:30 pm - 10:05 amPDX Portland-MLI Moline Quad-City

8h 35m1 stop Chicago O'Hare Intl

$331United Airlines

Tue, Nov 17 - Sat, Nov 21

10:40 am - 6:09 pmMLI Moline Quad-City-PDX Portland

9h 29m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 10:59 pmPDX Portland-MLI Moline Quad-City

6h 22m1 stop Chicago O'Hare Intl

$336United Airlines

Mon, Jan 25 - Sat, Jan 30

11:00 am - 7:08 pmMLI Moline Quad-City-PDX Portland

10h 08m1 stop Atlanta Hartsfield-Jackson

9:45 pm - 10:26 amPDX Portland-MLI Moline Quad-City

10h 41m1 stop Atlanta Hartsfield-Jackson

$350Delta

Mon, Nov 2 - Mon, Nov 9

9:15 pm - 11:55 pmMDW Chicago Midway-PDX Portland

4h 40mnonstop

11:30 pm - 5:15 amPDX Portland-MDW Chicago Midway

3h 45mnonstop

$357Southwest

Sat, Nov 14 - Tue, Nov 17

10:25 am - 1:00 pmMDW Chicago Midway-PDX Portland

4h 35mnonstop

6:00 am - 11:50 amPDX Portland-MDW Chicago Midway

3h 50mnonstop

$357Southwest

Thu, Nov 12 - Mon, Nov 16

5:05 pm - 7:47 pmORD Chicago O'Hare Intl-PDX Portland

4h 42mnonstop

1:22 pm - 7:44 pmPDX Portland-ORD Chicago O'Hare Intl

4h 22mnonstop

$357American Airlines

Tue, Nov 24 - Fri, Nov 27

5:42 pm - 8:29 pmORD Chicago O'Hare Intl-PDX Portland

4h 47mnonstop

11:11 pm - 5:15 amPDX Portland-ORD Chicago O'Hare Intl

4h 04mnonstop

$357American Airlines

Fri, Dec 18 - Sat, Dec 19

2:08 pm - 4:58 pmORD Chicago O'Hare Intl-PDX Portland

4h 50mnonstop

6:04 pm - 5:06 amPDX Portland-ORD Chicago O'Hare Intl

9h 02m1 stop Las Vegas Harry Reid Intl

$357Multiple Airlines

Thu, Dec 17 - Fri, Jan 1

2:08 pm - 4:58 pmORD Chicago O'Hare Intl-PDX Portland

4h 50mnonstop

7:00 am - 1:10 pmPDX Portland-ORD Chicago O'Hare Intl

4h 10mnonstop

$357Alaska Airlines

Fri, Jan 15 - Tue, Jan 19

2:11 pm - 4:51 pmORD Chicago O'Hare Intl-PDX Portland

4h 40mnonstop

7:00 am - 1:13 pmPDX Portland-ORD Chicago O'Hare Intl

4h 13mnonstop

$357Alaska Airlines

Recent last minute flight deals from Illinois to Portland

Tue, Oct 20 - Tue, Oct 27

6:30 am - 10:54 amORD Chicago O'Hare Intl-PDX Portland

6h 24m1 stop Denver Intl

12:02 pm - 12:21 amPDX Portland-ORD Chicago O'Hare Intl

10h 19m1 stop Denver Intl

$358Frontier

Sat, Oct 17 - Mon, Oct 19

8:01 pm - 10:11 amORD Chicago O'Hare Intl-PDX Portland

16h 10m1 stop Los Angeles

12:25 pm - 5:16 amPDX Portland-ORD Chicago O'Hare Intl

14h 51m1 stop Las Vegas Harry Reid Intl

$361Frontier

Mon, Oct 19 - Wed, Oct 21

12:50 pm - 8:00 pmORD Chicago O'Hare Intl-PDX Portland

9h 10m1 stop Seattle/Tacoma Intl

7:00 am - 1:18 pmPDX Portland-ORD Chicago O'Hare Intl

4h 18mnonstop

$397Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

11:33 am - 7:29 pmMLI Moline Quad-City-PDX Portland

9h 56m1 stop Dallas/Fort Worth

5:20 am - 4:04 pmPDX Portland-MLI Moline Quad-City

8h 44m1 stop Dallas/Fort Worth

$421American Airlines

Tue, Oct 20 - Sat, Oct 24

6:00 am - 4:10 pmMLI Moline Quad-City-PDX Portland

12h 10m2 stops Atlanta Hartsfield-Jackson Salt Lake City

11:00 pm - 10:18 amPDX Portland-MLI Moline Quad-City

9h 18m1 stop Atlanta Hartsfield-Jackson

$426Delta

Tue, Oct 20 - Sat, Oct 24

6:30 am - 10:54 amORD Chicago O'Hare Intl-PDX Portland

6h 24m1 stop Denver Intl

7:00 am - 1:18 pmPDX Portland-ORD Chicago O'Hare Intl

4h 18mnonstop

$428Multiple Airlines

Tue, Oct 20 - Sat, Oct 24

11:33 am - 5:03 pmMLI Moline Quad-City-PDX Portland

7h 30m1 stop Dallas/Fort Worth

6:01 am - 4:33 pmPDX Portland-MLI Moline Quad-City

8h 32m1 stop Chicago O'Hare Intl

$429American Airlines

Wed, Oct 21 - Tue, Oct 27

2:14 pm - 4:51 pmORD Chicago O'Hare Intl-PDX Portland

4h 37mnonstop

7:00 am - 1:18 pmPDX Portland-ORD Chicago O'Hare Intl

4h 18mnonstop

$497Alaska Airlines

Sat, Oct 17 - Sat, Oct 24

1:30 pm - 3:56 pmORD Chicago O'Hare Intl-PDX Portland

4h 26mnonstop

7:02 am - 1:15 pmPDX Portland-ORD Chicago O'Hare Intl

4h 13mnonstop

$497United Airlines

Sat, Oct 17 - Sat, Oct 24

4:20 pm - 6:53 pmORD Chicago O'Hare Intl-PDX Portland

4h 33mnonstop

7:02 am - 1:15 pmPDX Portland-ORD Chicago O'Hare Intl

4h 13mnonstop

$497United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$179

Best time to beat the crowds with an average 25% drop in price.

Most popular time to fly with an average 11% increase in price.

Flight from Chicago Midway Airport 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

Clackamas

Stevenson

Lake Oswego

Carson

Kelso

Government Camp

Gleneden Beach

Gladstone

Oceanside

Dundee

Durham

More options for your flight to Portland

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

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

Car rentals in Portland

Hotels in Portland

Vacations in Portland

PDX

$179 Find Cheap Flights from Illinois to Portland - Compare and Save

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

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Portland

Traveling to a place near Portland?

More options for your flight to Portland

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

Information on the airport you'll fly into in Portland

Cabin class types available on flights to Illinois

Find direct flights for Portland

Flights from domestic origins to Portland

Flights to other popular destinations

Find deals for your return flight