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Find cheap flights from Portland to Illinois from $48

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Illinois departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/27
Thu 7/4

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Best Illinois Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Chicago
Chicagononstop$83
Moline
Moline1 stop$313
Peoria
Peoria1 stop$204
Bloomington
Bloomington1 stop$338
Champaign
Champaign1 stop$454
Springfield
Springfield1 stop$782
Paducah
Paducah2 stops$474
St. Louis
St. Louis1 stop$107

Good to know

Low season

February

High season

June

Cheapest flight

$48
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Portland to Chicago O'Hare Airport

FAQs - booking Illinois flights

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

    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 Portland to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Illinois from Portland 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 Portland to Illinois?

    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 Illinois with an airline and back to Portland with another airline.

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

    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 Illinois from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Portland to the following destinations at these prices or less: Chicago $168 one-way - $335 round-trip
  • Morning departure is around 9% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Portland to Illinois

 
Need help choosing which airline to fly with from Portland to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10502 reviews
8.6Crew
7.9Comfort
8.2Boarding
8.0Entertainment
7.4Food
Airline reviews

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

10.0 ExcellentMichael, May 2024SJC - ATL
Read more about Delta reviews

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Had to change aircraft due to a faulty door. Surprisingly it only caused about an hour and a half of delay. Delta handled this situation as well as can be expected.

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Your crew could maybe answer the call bell at least one of the times I pressed it. I pressed it first time with 2.5 hours left in our flight bc my partner was hungry and wanted a sandwich. We finally got the sandwich with 40 mins left in the flight.

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

They were an hour late and they didn’t have my wheelchair for me

The Flight crew didn’t serve us until about 1.5 hours into the flight because of turbulence but after it ended it was fine to move around. They served us water only and snacks and then NEVER, NOT ONE TIME came through to collect trash until right before landing about 1.5 hours later. There was absolutely no need for that. They crew was just standing around talking and visiting with each other and really never tried to see if we might want something besides water or even try to come pick up trash. This is VERY unusual for a Delta flight but it was not what I would have expected for a 4 hour flight.

Flight was delayed by almost 5 hours. Suitcase was not loaded despite the flight being near empty (my colleagues’ suitcases did reach JFK, unlike mine). Had to argue on phone to get JetBlue to deliver the case to my hotel. Never again

The flight was excellent. The crew was welcoming and attentive.

Great! I love Jet Blue. My favorite airline! Very efficient, clean and timely.

Run out of snack choices. Why are the seats not padded for your butt? Are we sitting on blocks of wood or metal for $250-300 a pop? This ain’t spirit. Let’s get it together people

We were told that our flight would be delayed for 90+ minutes because of weather, so we went to get something to eat only to have them randomly start boarding 15 minutes after the announcement, with no warning.

Entertainment... No earphones passed out. Many including me couldn't use the TV. Legroom was good. Crew was indifferent and a bit surly. Free wifi was a nice convenience. Check in desk location was unknown. Gate number on the boarding passes was wrong.

Going through JFK’s security is a mess. The TSA security said no shoes on the bins. So, we place our shoes in the belt and they came out all over the belt. Boarding was delayed and Flight as well.

Safe and on time were the positives. The plane wasn't cleaned before boarding, there was garbage and food on the floor and in the seat pocket. The TV screen was small and the picture fuzzy, audio quality was poor. Seatbelt was fraying and seat did not recline properly. No charging ports near the seats,

Confusing. Delay updates were out of whack At one point it said my flight was 25 hours. Three gate changes and two delays only to change back to original departure time. Gate announcer and on board flight attendant (Alejandro) making the announcements was impossible to understand due to accent and speed of speech. After beverage service the rear flight attendants sat back there on their phones. No refills no checking in, one sweep through for trash collection. Very impersonal. Bring back Coke products

Delayed departure. Delayed after landing pulling into gate. Delay due to sky bridge malfunction

I was told we'd have a hot breakfast option in first class, so I chose not get a hot breakfast. It was a very strange meal, but the fresh fruit was very good quality. Service was excellent from ORD to ELP. No service from MBS to ORD, not even water. However, when flying American from FNT to ORD, which is a shorter flight, they at least pass out snacks and offer water.

The delays (5 hrs) were a comedy of errors, and the multiple safety issues encountered were very concerning.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

The flight was delayed instead of leaving at 11 it left at 12.20

United WiFi is consistently unusable (it can take 10 mins to load a single web page). If you need Wifi to do work, be prepared to lose half a day of productivity.

Good movies, iffy pay WiFi, food ok- on time though and that was great!

Awful…flight was delayed more than 12hrs, missed all connections to Fort Wayne, IN, had to get flight to another city 2 hours from my destination, flight was again delayed by 40 mins because they did not have enough fuel, again missed a connection, finally arrived in Indiana at 11pm…but before my 2 hour drive home, ay, no Five That Our Luggage Never Made On The plane and Still In Chicago

Boarding was friendly and quick. While the plane model was older with no live tv, the entertainment was full of movies and tv shows. All food was available. Pilots were very communicative with status of the flight. Flight landed on time.

Flight was delayed by over an hour and gate checked bags took 15 minutes to be delivered to the jet bridge.

The Palm Springs to Chicago O’Hare was on Time and Palm Springs airport is easier navigate. As our connection was only an approximately 50 minutes, we asked staff for insights for the Chicago airport in terms of transferring into the other terminal from which our flight left, and they were unhelpful. However, the United App was very helpful in terms of notifications and even providing directions. The Chicago to Detroit flight was significantly delayed which we all know does happen. However, there were very few updates or notifications as to why this was happening when we would actually arrive. It took nearly 30 minutes for bags to make it to baggage claim. We arrived nearly 1 hour late on a 40 minute flight.

The CX617 from HK to BKK was delayed more than 1.5 hours.

This flight is frequently delayed. The connections seemingly are more frequently delayed. I’ve missed connections as a result twice on the same route to charlotte then Charleston. Final destination arrival has been the next day, twice in a row. No pilots, no crew. Too many excuses. Unfortunately, my days with American are over.

Entertainment was okay not because anything was wrong but it is a short flight so having no wifi is annoying but understandable. Crew was outstanding as usual

Those seats were way too narrow. I had the middle seat, one person was a very skinny person and we still couldn’t avoid touching each other anytime one of us moved. The other person was larger and we were basically sitting in each others lap the entire flight. There was zero entertainment. The flight was long enough to justify tvs, but no. Gotta sit there in your infant seat and twiddle your thumbs.

Flight boarded without pilots. Sat on plane for 3 hrs. after over an hour late boarding. Plane never took off. Had to deplane near midnight. Line for rebooking was 3 hours + long. I had to leave.

Flight was fine. It took an unusually long time to have baggage delivered to the carousel in ORD.

Average - flew with Jet Blue internal and it was far more comfortable and better food and entertainment. Notable difference

The flight got canceled due to mechanical issues, and he to be rebooked and missed my appointments for that day

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

The only problem experienced was a ground stop in Chicago due to weather. But the crew handled everything professionally. They prioritized rebooking those passengers who had connecting flights and then deplaning the other passengers. When the hold was lifted, they efficiently re-boarded all the passengers so that we could depart before our departure limit expired.

My experience was pretty frustrating because the first leg of my flight on United (though booked through Air Canada) was delayed causing me to miss my connecting flight on Air Canada. This could have been an easy solve as there was a direct flight later that morning via Air Canada that they easily could have put me on which would have only gotten me to my destination 2 1/2 hours later but because United and Air Canada don’t seem to have good communication they gave me the run around both telling me to talk with the other which I did three times to no avail. I ended up taking the delayed flight and getting on a new connecting flight which ended up getting me to my destination 6 hours later and I missed the event I was planning to go to this evening.

I was appalled to have to pay for just a regular seat when I went to book 24 hrs before my flight! Because it was only an hour flight I didn’t choose a seat from Grand Junction to Denver, but I did for Toronto and had to pay just to choose a regular available seat! In my 60+ years of flying this was the first time I have heard of this. Also, allowing people to bring on “huge “ suitcases, not carry on size, but much bigger, and then a large pack pack stuffed. So they take up all the room in the overhead bins and if we are later boarding, there is no room so we have to check our small carry on. I have already paid for and checked in one bag! I certainly will not choose to fly with United again unless it is the “only” airline available!

Ontime boarding. Almost 1 hour take off delay. We could have boarded slightly later since the pilots were in traffic

Flight was delayed, I had to put my luggage all the way in the back! They served only a beverage no snack on the way in Air Canada, definitely not a good first impression.

Fresh fuit or veg snacks would be so great, but there are two good restaurants in Denver airport. Try Etais UDIS or Freshens DIA for nutritious delicious pita sandwiches/ donairs and crepes in Freshens.

Crowded plane but it flew on time and had friendly staff

This was the first AC flight in a long time that we experienced no delays or frustrations. The gate attendant was extremely polite and accommodating to my husband who has Parkinson’s disease which made boarding extremely stress free. Flight departed ON TIME and was a smooth ride. If only all my AC experiences could be like this.

The Air Canada agent was very helpful helping with my luggage and cat carrier when I went there instead of United.

United force you to download their App to do the check-in.

It was fine. The seating was tight. My husband is 6' 2", so we were glad to get seats with no one in front of him. I was glad that the plane wasn't packed so I could spread out.

Book cheap flights from Portland to Illinois

Recent round-trip flight deals

9/7Sat
nonstopSpirit Airlines
3h 50mPDX-ORD
9/11Wed
nonstopSpirit Airlines
4h 30mORD-PDX
$83
9/7Sat
nonstopSpirit Airlines
3h 50mPDX-ORD
9/11Wed
nonstopSpirit Airlines
4h 30mORD-PDX
$84
8/20Tue
nonstopAmerican Airlines
4h 02mPDX-ORD
8/27Tue
nonstopAmerican Airlines
4h 38mORD-PDX
$179
8/19Mon
nonstopAlaska Airlines
4h 04mPDX-ORD
8/27Tue
nonstopAlaska Airlines
4h 30mORD-PDX
$189
9/27Fri
1 stopAmerican Airlines
8h 43mPDX-STL
10/1Tue
1 stopAmerican Airlines
8h 42mSTL-PDX
$196
7/26Fri
1 stopDelta
7h 59mPDX-STL
8/2Fri
1 stopDelta
7h 09mSTL-PDX
$234
8/22Thu
2 stopsDelta
10h 19mPDX-STL
8/25Sun
1 stopDelta
6h 43mSTL-PDX
$299
6/9Sun
1 stopUnited Airlines
8h 06mPDX-MLI
6/17Mon
1 stopUnited Airlines
6h 41mMLI-PDX
$313
7/3Wed
1 stopAlaska Airlines
8h 23mPDX-STL
7/9Tue
1 stopAlaska Airlines
6h 12mSTL-PDX
$356
6/7Fri
1 stopUnited Airlines
8h 40mPDX-PIA
6/8Sat
1 stopUnited Airlines
7h 06mPIA-PDX
$382

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Recent one-way flight deals

9/7Sat
nonstopSpirit Airlines
3h 50mPDX-ORD
$48
6/8Sat
nonstopSpirit Airlines
4h 07mPDX-ORD
$49
10/8Tue
nonstopAlaska Airlines
4h 01mPDX-ORD
$88
10/12Sat
nonstopAmerican Airlines
4h 01mPDX-ORD
$104
9/5Thu
1 stopDelta
5h 55mPDX-ORD
$108
9/5Thu
1 stopDelta
6h 03mPDX-MDW
$108
10/10Thu
nonstopAlaska Airlines
4h 01mPDX-ORD
$114
6/11Tue
nonstopAmerican Airlines
4h 05mPDX-ORD
$127
8/15Thu
nonstopUnited Airlines
3h 58mPDX-ORD
$145
6/24Mon
nonstopUnited Airlines
3h 58mPDX-ORD
$146

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Last minute flights from Portland to Illinois

Last minute flight, train and bus deals

6/1Sat
nonstopSpirit Airlines
3h 50mPDX-ORD
6/5Wed
nonstopSpirit Airlines
4h 27mORD-PDX
$125
6/1Sat
nonstopSpirit Airlines
3h 50mPDX-ORD
6/3Mon
nonstopSpirit Airlines
4h 30mORD-PDX
$141
5/30Thu
multi-stopFrontier
11h 27mPDX-ORD
6/5Wed
multi-stopFrontier
11h 57mORD-PDX
$180
6/2Sun
multi-stopFrontier
8h 21mPDX-MDW
6/10Mon
multi-stopFrontier
20h 01mMDW-PDX
$182
5/29Wed
multi-stopDelta
5h 52mPDX-STL
6/3Mon
multi-stopDelta
6h 52mSTL-PDX
$238
5/31Fri
multi-stopAmerican Airlines
7h 03mPDX-STL
6/3Mon
multi-stopAmerican Airlines
6h 45mSTL-PDX
$270
5/30Thu
multi-stopUnited Airlines
7h 53mPDX-STL
6/3Mon
multi-stopUnited Airlines
7h 51mSTL-PDX
$277
5/31Fri
multi-stopAmerican Airlines
7h 03mPDX-STL
6/3Mon
multi-stopAmerican Airlines
6h 45mSTL-PDX
$280
5/30Thu
multi-stopDelta
8h 30mPDX-STL
6/3Mon
multi-stopDelta
6h 52mSTL-PDX
$290
6/2Sun
nonstopUnited Airlines
3h 58mPDX-ORD
6/6Thu
nonstopUnited Airlines
4h 25mORD-PDX
$373

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Portland - Illinois Flights