$368 Find Cheap Flights from Norway to Illinois

1 adult
1 adult, Economy

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

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Illinois, as well as popular online travel agencies
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KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Norway to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Norway to Illinois is September, when tickets cost $441 (return) on average. On the other hand, the most expensive months are July and March, when the average cost of round-trip tickets is $716 and $685 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Norway to Illinois, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.


Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$368
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Oslo to Chicago

FAQs for booking flights from Norway to Illinois

  • How does KAYAK find such low prices on flights from Norway 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 Norway to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Norway to 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 Norway 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 from Norway to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Norway 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 from Norway to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Illinois?

    Based on KAYAK data, the cheapest day to fly to Illinois is Thursday where round-trip tickets can be as cheap as $423. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $616 on average.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $491 on average. Morning departures are around 26% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the evening, which is peak travel time and where the average cost of a ticket is $662.

Top 3 airlines serving from Norway to Illinois

 
See real verified KAYAK customer reviews for airlines flying to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Norway to Illinois. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Norway 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.
7.3
Scandinavian AirlinesOverall score based on 1387 reviews
6.6Food
7.6Boarding
7.2Comfort
6.5Entertainment
7.9Crew
Airline reviews

Standard short hop flight. No food, no entertainment. Just get in, get something to drink, and try to be as comfortable as you can for an hour.

8.0 ExcellentAnonymous, Jun 2025SEA - MFR
Read more Scandinavian Airlines reviews

Standard short hop flight. No food, no entertainment. Just get in, get something to drink, and try to be as comfortable as you can for an hour.

Travelling coach, comfort is all in one's perspective. Movie choices were great. Food was OK. Flight crew were pleasant. Tip: If they come through asking if you want tea or coffee, do not ask for water. They get miffed. So use the call button after they pass through.

Name change on tickets for a misspelled name was very hard to change

Sat on runway for 1.5 hours waiting on winds to change so we could take off. The pilots did an amazing job getting up in the air when they had permission to take off.

They cancelled our flight home less than 24 hours before it was supposed to leave. It partially ruined our last day because I was on the phone trying to get 5 people home and the stress that it causes. We still arrived at the airport with no definite flight plans. The actual flight was good but my kids really misses the kids meals I had ordered for them which obviously didn’t make it to the new flight.

Very helpful in getting us off the plane first to make a tight connection.

Maybe more diverse entertainment. Although the inflight cameras were amazing 10/10

Boarding was chaotic and the flight left late but arrived at a decent time. This may have been because of the sxsw festival that was going on.

I was pleasantly surprised as it was my first time flying with them. The seats were comfortable with more legroom than usual. The service was great too! The entertainment was good but could use a few more new movies.

Nothing special or negative. Pretty typical flight…no freebies in the way of food etcetera, but none were expected.

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset. If there is option to use another company, I suggest to other people use them.

I had an exit row and so was Comfortable on the long flight.

The seats on this airline are sooo small, even for a petite person. I felt like the seat tilted forward and I was fighting to stay in it. The lavatory is horribly small, with a wet floor because the sink is so small you can't help but splash the water all over when washing up.

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

Good. Lacking overhead bin space. No food offered but you can order online or in flight and pay for snacks.

No food was served for 7.5 hrs flight. When our flight changed to other airlines due to wether issue, our seats booked with no checked in luggage when I already payed for. We end up to pay 90 euro per suitcase.

The flights were in time and the bags arrived. well done

Only serving 2 small coffee in 7.5 hrs flight with very limited choice to order food.

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

Our luggage didn’t arrive with us, that puts a damper on the whole trip.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Was 3 hrs delayed and my poor friend I met in Barcelona was waiting at airport for 3 hrs. Dallas airport was awful

Book cheap flights from Norway to Illinois

Recent round-trip flight deals

 
These are the cheapest round-trip flights to Illinois found on KAYAK in the last 72 hours.
8/23Sat
1 stopIcelandair
11h 25mOSL-ORD
9/15Mon
1 stopIcelandair
10h 10mORD-OSL
$426
8/23Sat
1 stopIcelandair
32h 45mOSL-ORD
9/15Mon
1 stopIcelandair
10h 10mORD-OSL
$429
9/11Thu
2 stopsDelta
21h 05mOSL-STL
9/15Mon
2 stopsDelta
18h 20mSTL-OSL
$455
8/14Thu
1 stopKLM
14h 40mOSL-ORD
8/26Tue
1 stopKLM
11h 45mORD-OSL
$457
8/14Thu
1 stopKLM
14h 40mOSL-ORD
8/25Mon
1 stopKLM
14h 20mORD-OSL
$458
9/11Thu
2 stopsDelta
18h 06mOSL-ORD
9/14Sun
1 stopDelta
19h 15mORD-OSL
$465
9/5Fri
2 stopsScandinavian Airlines
30h 05mSVG-ORD
9/15Mon
1 stopScandinavian Airlines
11h 40mORD-SVG
$503
9/4Thu
1 stopScandinavian Airlines
31h 20mSVG-ORD
9/15Mon
1 stopScandinavian Airlines
12h 40mORD-SVG
$515
7/15Tue
1 stopBritish Airways
25h 25mOSL-ORD
7/20Sun
1 stopBritish Airways
30h 10mORD-OSL
$572
7/9Wed
1 stopBritish Airways
30h 55mOSL-ORD
7/19Sat
1 stopBritish Airways
21h 25mORD-OSL
$576

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Illinois found on KAYAK in the last 72 hours.
9/28Sun
2 stops
33h 13mOSL-ORD
$368
9/19Fri
2 stops
37h 55mOSL-ORD
$381
10/7Tue
1 stopScandinavian Airlines
13h 15mOSL-ORD
$482
10/7Tue
1 stopScandinavian Airlines
16h 00mOSL-ORD
$483
9/19Fri
1 stopIcelandair
11h 45mOSL-ORD
$492
7/5Sat
1 stopLOT
26h 25mOSL-ORD
$497
7/5Sat
1 stopLOT
23h 20mOSL-ORD
$498
7/29Tue
1 stopIcelandair
12h 55mBGO-ORD
$713
7/27Sun
2 stopsBritish Airways
21h 22mOSL-STL
$738
8/7Thu
1 stopBritish Airways
13h 10mOSL-ORD
$951

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Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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