$272 Find Cheap Flights from Chicago to Oslo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Oslo departing on 8/5. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to Oslo

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Oslo.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Oslo.
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Cheap Flight Deals from Chicago to Oslo (CHI-OSL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Oslo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Chicago to Oslo

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Oslo.
Discover the best prices for you by selecting your travel dates on KAYAK.
Scandinavian Airlines Logo
7:15 pm - 4:35 pmORD-OSL
14h 20m1 stop
Scandinavian Airlines Logo
10:25 am - 4:10 pmOSL-ORD
12h 45m1 stop
$444Scandinavian Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
Scandinavian Airlines Logo
7:15 pm - 2:20 pmORD-TRF
12h 05m1 stop
Scandinavian Airlines Logo
2:55 pm - 4:10 pmTRF-ORD
32h 15m1 stop
$444Scandinavian Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 17
Icelandair Logo
7:25 pm - 12:35 pmORD-OSL
10h 10m1 stop
Icelandair Logo
1:50 pm - 9:15 pmOSL-ORD
14h 25m1 stop
$505Icelandair
Find Deal
Fri, Oct 17 - Fri, Oct 24
Icelandair Logo
10:15 pm - 3:25 pmORD-OSL
10h 10m1 stop
Icelandair Logo
4:30 pm - 9:15 pmOSL-ORD
11h 45m1 stop
$518Icelandair
Find Deal
Thu, Aug 21 - Sat, Aug 30
Delta Logo
7:59 pm - 6:50 pmORD-OSL
15h 51m2 stops
Delta Logo
6:30 am - 2:10 pmOSL-ORD
14h 40m1 stop
$565Delta
Find Deal
Wed, Aug 6 - Tue, Aug 19
Delta Logo
1:35 pm - 1:45 pmORD-OSL
17h 10m2 stops
Delta Logo
6:30 am - 6:40 pmOSL-ORD
19h 10m2 stops
$575Delta
Find Deal
Mon, Aug 11 - Thu, Aug 21
United Airlines Logo
10:50 am - 9:00 amORD-OSL
15h 10m2 stops
United Airlines Logo
6:35 am - 2:55 pmOSL-ORD
15h 20m1 stop
$588United Airlines
Find Deal
Sat, Aug 9 - Tue, Aug 19
United Airlines Logo
8:52 am - 9:00 amORD-OSL
17h 08m2 stops
United Airlines Logo
6:35 am - 11:15 pmOSL-ORD
23h 40m2 stops
$598United Airlines
Find Deal
Thu, Aug 7 - Tue, Aug 19
British Airways Logo
9:15 pm - 10:35 amORD-OSL
30h 20m1 stop
British Airways Logo
8:20 am - 6:15 pmOSL-ORD
16h 55m1 stop
$599British Airways
Find Deal
Sat, Aug 9 - Sat, Aug 16
British Airways Logo
4:56 pm - 4:20 pmORD-OSL
16h 24m2 stops
British Airways Logo
7:50 am - 3:55 pmOSL-ORD
15h 05m1 stop
$604British Airways
Find Deal
Fri, Oct 17 - Fri, Oct 24
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KAYAK's insights & trends for Chicago to Oslo flights

Get data-powered insights and trends into flights from Chicago to Oslo to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Chicago to Oslo?

The average price of all round-trip flights from Chicago to Oslo clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Oslo on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Chicago to Oslo. For your return ticket, we recommend flying on a Thursday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Chicago to Oslo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Oslo, 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 Chicago to Oslo is November, where tickets cost $515 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $952 and $776 respectively.

How far in advance should I book a flight from Chicago to Oslo?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Oslo, 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 Chicago to Oslo, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.

Good to know

Cheapest flight$272
Flight from Chicago O'Hare Airport to Oslo Airport

When to book flights from Chicago to Oslo

Are your dates flexible? Find out the best times to travel from Chicago to Oslo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chicago to Oslo

  • What is the cheapest flight from Chicago to Oslo?

    In the last 3 days, the lowest price for a flight from Chicago to Oslo was $272 for a one-way ticket and $444 for a round-trip.

  • Do I need a passport to fly between Chicago and Oslo?

    A passport is required to fly from Chicago to Oslo.

  • Which airports will I be using when flying from Chicago to Oslo?

    There are 2 airports in Chicago (Chicago Midway and Chicago O'Hare Intl) and 2 airports in Oslo (Oslo Gardermoen and Oslo Sandefjord). The cheapest flights are generally found on the Chicago O'Hare Airport to Oslo Airport flight route.

  • Which aircraft models fly most regularly from Chicago to Oslo?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Oslo?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Chicago and Oslo, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Oslo from Chicago?

    Reykjavik is the most popular layover city among KAYAK users traveling from Chicago to Oslo.

  • How does KAYAK find such low prices on flights from Chicago to Oslo?

    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 Chicago to Oslo.

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

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

    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 Oslo with an airline and back to Chicago with another airline.

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

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

Top 5 airlines serving from Chicago to Oslo

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Oslo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. 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 Chicago to Oslo? 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 7936 reviews
8.2Boarding
8.5Crew
7.3Food
7.9Entertainment
7.9Comfort
Airline reviews

Our bag was lost so that made unnecessary chaos On our trip

6.0 GoodBarbara, Apr 2025JFK - FCO
Read more Delta reviews

Our bag was lost so that made unnecessary chaos On our trip

Delta is my preferred airline. I've traveled with them for years. On time in most cases, good communication, easy to use app. Most planes are pretty nice. I was on a CRJ 700/900 however, which was pretty badly aged inside and needed a refresh. No infotainment, unreliable wifi, best to download before boarding or bring a book. Food choices are really just snacks on this flight, nice variety but about what you'd expect. Great staff and prompt in departure and early arrival too. Overall quite satisfied.

Crew was friendly Love the entertainment in the seat head rest.

Delta flight was on time, seats were comfortable, and crew was nice.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Delayed take-off. Very small plane so very scary with lots of bumps during the flight. Would never fly Delta on short flights in small 80 seaters plane again! Felt relieved when landed.

The worst part was I was NOT allowed in the lounge even though I was holding a first class ticket and have a premium American Express card. I have flown Business or First Class with many airlines. Delta is the ONLY one who does not extend this courtesy to anyone except people who hold the very expensive American Express card. As a result, I won’t fly Delta if I have any other choice.

It was an overnight flight and I desperately needed coffee before we landed, but Delta does only one beverage service, and that is shortly after takeoff, not before landing at 5 am.

A little bumpy ride . No food was being provided due the the turbulence. That was ok it was a short flight to my standards.

Simply outstanding. Their new lounge for Delta One customers is a cut above the rest.

A bit rush for transit. Food and entertainment are not available

Boarding was a little difficult. The gate area at O'Hare was very small and crowded due to multiple gates in the area. Could not hear the intercom, so had to rely on signage to see when my group was boarding and the signage was blocked by passengers standing in the gate. Flight was great and we arrived in Montreal on time.

Smooth boarding process. Early departure, smooth flight, early arrival. The entertainment package has very good recent movie options. The flight crew were friendly and professional.

I do prefer to fly United and have always had excellent service, except for bad weather. Flights are on time and staff is alway curtious and helpful

They switched out gate from terminal 1 to terminal two ten minutes before boarding. So we had to make a 20 min crazy fast walk to a different terminal. Then we boarded the plane and waited for over 40 minutes until push back. Brutal

My flight was scheduled for about 6:05 departure. There were 11 gate changes from 4-7pm and the flight was 3 hours delayed due to operational issues. The plane taxied around the airport for about half an hour before stopping to be de-iced. It would have been nice if we were alerted of the plan to de-ice prior to the 30 minute drive around the airport. The flight attendant was friendly, which was the only redeeming thing about this flight. As a former flight attendant for United, I was extremely disappointed.

Delays took 2hours and thirty minutes making me miss my connecting flight and make me sit in the Chicago airport for 9 hours

Had a short delay once we boarded the aircraft in Chicago, but it was fixed in no time flat then we were on our way. The pilot was able to make up the time lost and we landed 5 minute later then schedualed . Great service

Our seats were all the way in back of the plane,

The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.

The seats were really cramped. The high backs on the chairs made you feel claustrophobic.

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.

The flight got canceled and you just send an email in the middle of the night and no solution to how to get on the next flight or provide other solutions.

You cost me my time and did not compensate properly. Gfy.

Missed a connecting flight and SAS was at fault. I was awarded a $20 voucher in exchange for 8 hours of my time? Gfy.

Seat was lumpier than I’ve ever remembered it to be although comfortable when tilted back. I don’t recall being that hungry after being served food from SAS before. Flight attendant on the second flight to Aalborg seemed to be having a bad day.

I experienced trouble with the automatic bag check in. When I scanned the baggage tag I received, things were fine as the conveyor belt moved forward then abruptly stopped! My luggage traveled about 4 feet and I had to reach over a barrier to retrieve it. I went to another scanner position and when I scanned the SAS baggage tag, the screen told me it could not continue!! I went to another scanner position agent who had me put it on the conveyor belt by her & somehow sent it down the belt. I flew from Bergen to Oslo with a two 2️⃣ hour layover before connecting to LHR. My bag was NOT on the flight. I had no clothes for the next day when I flew to Boston. I filed a Lost Bag report and waiting for updates.

Please see my comments for the flight from Chicago to Copenhagen

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.

Overall good. I was surprised how easy it was to get from plain to plain in such a short time. Food choices were not so great and quite expensive. Entertainment was ok. Flights were smooth.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Bad. Flights were late, by hours. No clear information was provided even until the delayed boarding time.

Again, lines for boarding are a problem in iceland. The flight itself was fine and very smooth. No complaints. We would definitely fly icelandair again.

Had a screaming child next to us. Not the airline’s fault but still annoying.

Too much long line at the TSA and Security. Prepare for long walk for baggage claim.

The flight from Seattle was delayed, which made me miss my connection to Florence. I was re-booked NINE HOURS LATER!!! That’s basically a vacation day lost. British Airways needs to partner with other airlines when possible to get a more realistic travel time, if delays occur. I realize there aren’t many flights to Florence from London, so I would book differently were I to return. The actual flight from Seattle was very comfortable and the crew was great, no faults there. I enjoy British Airways, this was an anomaly.

The crew could not have been more helpful, my meal was excellent, I slept peacefully until right before landing, and the BA lounge was a godsend. The only negative I encountered was the coffee both on the plane and in the lounge. Not to my taste but that’s a personal preference.

I don’t understand why a reputable airline like BA would delegate their London flights to AA. Makes no sense to me, as most domestic carriers do such a poor job these days. Terminal 3 at LHR is a total dump

The boarding process was quite loud and chaotic. The flight attendants kept barking over the PA system about people needing to only stow large items in the overhead bins. During the one and only service, I was hit by the service cart. At the same time, a passenger was returning from the bathroom and the crew definitely saw him but stopped a few seats short of allowing him to sit down before starting service and made him wait a good 10 minutes before passing his seat and allowing him to sit down, after which he had to ask for his snack and beverage or he would have been passed over. Neither flight attendant thanked passengers as they left; in fact, I did not see them again once the plane door was opened.

Cancelled flight minutes before boarding. Rescheduled flight was two days later

The flight attendants were EXTREMELY personable and appreciated the service, lights going off after dinner (probably the norm, but I haven’t flown evening overnight flights in a while). Thank you!

Business class seats were very dated on my plane. Very little storage, charging ports were not easily accessible, tv screen kept flopping away. Vegetarian food was disappointing: hardly any protein and severely under-seasoned. Crew was lovely.

The food was ok, but not great. They delayed boarding in Portland and did not enforce group boarding. But the crew was excellent, went above and beyond.

The food was pathetic. There wasn't much leg room and recline space for such a long flight. No tea/ coffee for a 2-3 hour connecting flight without purchasing! Really!?

Everything you need to know for your flight from Chicago to Oslo

Cabin class types available on flights from Chicago to Oslo

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

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