When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 23% on flights from Portland to Illinois compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $332. For sooner than that we have options available in the next 3 days from $615.
Our data shows that November tends to be the cheapest month to fly to Illinois from Portland. Users have commonly found prices around $361 for the month, but tickets can be as low as $127. Due to multiple factors, prepare for potentially higher prices in June.
When flying from Portland to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$83 - $234
Route
Depart
Return
Price
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Sat 9/7
Nonstop3h 50m
Chicago O'Hare Intl
Wed 9/11
Nonstop4h 30m
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Sat 9/7
Nonstop3h 50m
Chicago O'Hare Intl
Wed 9/11
Nonstop4h 30m
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Wed 8/28
Nonstop3h 50m
Chicago O'Hare Intl
Sun 9/1
Nonstop4h 30m
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Thu 9/5
Nonstop3h 50m
Chicago O'Hare Intl
Mon 9/9
Nonstop4h 30m
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Fri 9/6
1 stop21h 23m
Chicago O'Hare Intl
Wed 9/11
Nonstop4h 30m
PortlandChicago Midway
PDX - MDW
PDXMDW
Portland
Mon 9/2
1 stop9h 04m
Chicago Midway
Tue 9/10
1 stop12h 12m
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Mon 8/19
Nonstop4h 04m
Chicago O'Hare Intl
Tue 8/27
Nonstop4h 30m
PortlandLambert-St Louis
PDX - STL
PDXSTL
Portland
Fri 6/7
1 stop9h 32m
Lambert-St Louis
Mon 6/10
1 stop7h 41m
PortlandLambert-St Louis
PDX - STL
PDXSTL
Portland
Tue 10/15
1 stop5h 09m
Lambert-St Louis
Mon 10/28
1 stop8h 10m
No data available for this route at this time. Please check back soon.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
2%of flight departures | Early morningMidnight to 6 am |
---|---|
48%of flight departures | Morning6 am to noon |
26%of flight departures | AfternoonNoon to 6 pm |
24%of flight departures | Evening6 pm to midnight |
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Portland.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Illinois, users can toggle the no change fees filter when performing a flight search.
Of course! You can now track prices for flights from Portland to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.