Cheap flights from Oregon (OR) to Illinois (IL)

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How to find the cheapest flight from
Oregon to Illinois

All the information you need to plan the best null to ORD flight in 2021: compare Oregon to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
When is the cheapest time to fly from Oregon to Illinois (OR - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Illinois as you normally would.

How far in advance should I book a flight from Oregon to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 13% on flights from Oregon to Illinois compared to booking the week you need them. Waiting 17 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 $275. For sooner than that we have options available in the next 3 days from $324.

What is the cheapest month to fly from Oregon to Illinois?

August is one of the best times of the year to fly to Illinois from Oregon. Prices for August average $274 per person but you can even find prices for as low as $118. The most expensive prices can be found in the month of December. Opting for a August flight can save you 27% on your journey compared to booking in August

Cheap flights from Oregon to Illinois in November, December 2021

The best prices found for Oregon to Illinois flights for November, December
10 Dec - 15 Dec
$123pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland
9 Dec - 11 Dec
$138pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland
5 Dec - 8 Dec
$139pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland

Oregon to Illinois 2022 flight deals

Cheap flights to Illinois from Oregon found for next year
10 Dec - 15 Dec
$123pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland
9 Dec - 11 Dec
$138pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland
5 Dec - 8 Dec
$139pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland

Non-stop flights to Illinois from Oregon

Save time with Oregon to Illinois direct flight deals
2 Feb - 9 Feb
$157pp
PDX
Portland
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
PDX
Portland
18 Jan - 22 Jan
$195pp
PDX
Portland
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
PDX
Portland
11 Jan - 25 Jan
$196pp
PDX
Portland
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
PDX
Portland

Last minute flights from Oregon to Illinois

Late deals on round-trip flights to Illinois from Oregon, departing today and this week
5 Dec - 8 Dec
$139pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland
5 Dec - 8 Dec
$142pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
6 Dec - 11 Dec
$164pp
PDX
Portland
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PDX
Portland

One-way flights to Illinois from Oregon

The cheapest one-way flights from Oregon to Illinois
8:52 am - 1:04 am
Spirit Airlines
1 Stop
14h 12m
PDX - ORD
Spirit Airlines
$92
FareScan
5:20 am - 11:20 am
Alaska Airlines
Nonstop
4h 00m
PDX - ORD
Alaska Airlines
9:03 am - 2:06 am
Multiple Airlines
1 Stop
15h 03m
RDM - ORD
Multiple Airlines
$101
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Oregon</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Oregon to Illinois

Which airlines flying from Oregon to Illinois have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Oregon to Illinois that may be offering flexible cancellation policies are United Airlines, Alaska Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Oregon to Illinois for under $200 on Cheapflights?

Yes, there are multiple flights from Oregon to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $122, but on average you can expect to pay $142.

Are there nonstop flights from Oregon to Illinois for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Oregon to Illinois under $200. A good price for a nonstop flight from Oregon to Illinois is less than $240.

Are there last-minute flights available from Oregon to Illinois for under $200?

There are currently 20+ open flights from Oregon to Illinois within the next 7 days for less than $200.

What days are nonstop flights available from Oregon to Illinois?

Nonstop flights are available for this route on the following days: Tuesday, Friday, Saturday.

How many flights depart from Oregon to Illinois on average per day?

On average 6 flights depart from Oregon to Illinois per day.
Morning (6am - Noon) - 17% of flight departures
Evening (6pm - Midnight) - 83% of flight departures

How long is the flight from Oregon to Illinois?

A quick flight from Oregon to Illinois can take about 4h. Frontier provides one of the quickest options available for as low as $122. Airlines will cover a distance of 1744 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Oregon to Illinois one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $78 and $99 on Spirit Airlines and Alaska Airlines, respectively.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Oregon?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Oregon need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Oregon must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Oregon are not required to quarantine after entering Illinois.

Do I need a test to fly back to Oregon from Illinois?

Returning to Oregon from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Oregon.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Oregon.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Oregon to Illinois

Select to see more specific information for flights from Oregon to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Oregon to Illinois.
Flight duration from Oregon to Illinois
4h 17m

Airports servicing

Klamath Falls (LMT)
Medford (MFR)
North Bend (OTH)
Pendleton (PDT)
Portland (PDX)

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 8 airlines flying from Oregon to Illinois

The chart below displays the airlines Cheapflights users traveling from Oregon to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$106 $233 No cancel fee 62%
Spirit Airlines
$116 $254 No cancel fee 65%
United Airlines
$117 $449 No cancel fee 69%
Delta
$127 $452 No cancel fee N/A
Alaska Airlines
$129 $316 No cancel fee 75%
American Airlines
$140 $415 No cancel fee 71%
Sun Country Air
$141 $272 No cancel fee 83%
Southwest
$374 $506 No cancel fee 63%
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