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$180+ Cheap flights from Chicago (CHI) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
nov. 15 — nov. 221
sam. 11/15
sam. 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Oslo are usually found in November or October, booked 60 days in advance, depart on a Sunday or Wednesday and return on a Thursday

Find flight deals from Chicago to Oslo

Cheapest flights from Chicago to Oslo
Explore the most affordable flight options available from Chicago to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 16, 2025.

This Ticket deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/86:30 pmORD - OSL
1 stop10h 05mIcelandair
lun. 11/241:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 10/16$375
This FlightHub deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:30 pmORD - OSL
1 stop10h 05mIcelandair
lun. 12/81:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 10/16$395
This oojo deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/296:30 pmORD - OSL
1 stop19h 05mIcelandair
ven. 12/51:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 10/14$415
This Justfly.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/147:00 amORD - OSL
2 stops19h 20mScandinavian Airlines
ven. 11/218:00 amOSL - ORD
1 stop15h 45mScandinavian Airlines
Deal found 10/15$422
This oojo deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/206:30 pmORD - OSL
1 stop10h 05mIcelandair
dim. 11/239:30 pmOSL - ORD
1 stop26h 50mIcelandair
Deal found 10/14$450
This Justfly.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/117:10 amORD - OSL
2 stops24h 05mScandinavian Airlines
mar. 11/183:00 pmOSL - ORD
1 stop32h 45mScandinavian Airlines
Deal found 10/14$453
This CrystalTravel deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/36:30 pmORD - OSL
1 stop10h 05mIcelandair
dim. 12/71:05 pmOSL - ORD
1 stop11h 15mIcelandair
Deal found 10/15$455
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/149:50 pmORD - OSL
1 stop12h 50mLufthansa
ven. 11/211:45 pmOSL - ORD
1 stop13h 20mLufthansa
Deal found 10/15$463
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/269:50 pmORD - OSL
1 stop12h 50mLufthansa
jeu. 12/111:45 pmOSL - ORD
1 stop13h 20mLufthansa
Deal found 10/16$464
This oojo deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/306:30 pmORD - OSL
1 stop10h 05mIcelandair
dim. 12/79:30 pmOSL - ORD
1 stop26h 50mIcelandair
Deal found 10/15$467
This Priceline deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/288:15 pmORD - OSL
1 stop14h 40mMultiple Airlines
ven. 12/58:15 amOSL - ORD
2 stops18h 20mMultiple Airlines
Deal found 10/14$468
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2810:47 amMDW - OSL
2 stops20h 03mDelta
ven. 12/512:40 pmOSL - MDW
2 stops18h 09mDelta
Deal found 10/14$516

Cheap flight deals from Chicago to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octobre 16, 2025.

Round-trip from

$375
(Ticket)

One-way from

$180
(TAP AIR PORTUGAL)

Popular in

June

Cheapest in

November

Average price

$533
From Chicago (CHI) to Oslo
Search Deals
One-way flight from Chicago (CHI) to Oslo
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 16, 2025.
Use the filters below to find and compare flights from Chicago to Oslo that are best for you.

Fly from

Chicago

Fly to

Oslo

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mar. 12/2

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

lun. 12/8

1:10 pm-5:20 pm

1 stop11h 10m

$395

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mer. 12/3

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

dim. 12/7

1:05 pm-5:20 pm

1 stop11h 15m

$455

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

ven. 11/14

9:50 pm-5:40 pm

1 stop12h 50m

Oslo Gardermoen

ven. 11/21

1:45 pm-8:05 pm

1 stop13h 20m

$463

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mer. 11/26

9:50 pm-5:40 pm

1 stop12h 50m

Oslo Gardermoen

jeu. 12/11

1:45 pm-8:05 pm

1 stop13h 20m

$464

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mer. 12/3

2:00 pm-5:40 pm

2 stops20h 40m

Oslo Gardermoen

dim. 12/7

6:05 am-8:05 pm

1 stop21h 00m

$485

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mar. 11/11

9:50 pm-5:40 pm

1 stop12h 50m

Oslo Gardermoen

mar. 11/18

6:15 am-1:10 pm

1 stop13h 55m

$502

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sam. 11/29

5:55 pm-5:40 pm

2 stops40h 45m

Oslo Gardermoen

ven. 12/5

6:15 am-8:10 pm

2 stops20h 55m

$506

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mar. 12/2

6:00 pm-5:40 pm

1 stop16h 40m

Oslo Gardermoen

lun. 12/8

6:15 am-8:10 pm

2 stops20h 55m

$507

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

ven. 11/14

6:20 pm-5:40 pm

2 stops16h 20m

Oslo Gardermoen

ven. 11/21

6:15 am-2:55 pm

2 stops15h 40m

$511

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

ven. 11/28

10:47 am-1:50 pm

2 stops20h 03m

Oslo Gardermoen

ven. 12/5

12:40 pm-11:49 pm

2 stops18h 09m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 43 results
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Best time to book a flight from Chicago to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Oslo. Price data was last updated on October 10, 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Oslo?

Currently, February is the cheapest month in which you can book a flight from Chicago to Oslo (average of $383). Flying from Chicago to Oslo in June is currently the most expensive (average of $621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to OSL?

Find hourly flight availability from Chicago to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to Oslo in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated octobre 16, 2025.
Read through reviews of airlines operating flights from Chicago to Oslo, such as Scandinavian Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Scandinavian Airlines
7.4
Good
1,533 reviews
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
United Airlines
7.4
Good
8,982 reviews
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
American Airlines
7.2
Good
11,040 reviews
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Icelandair
7.0
Good
556 reviews
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
British Airways
6.7
Okay
7,457 reviews
Scandinavian Airlines
7.4
Good
1,533 reviews

Comfort

7.3

Crew

8.0

Entertainment

6.6

Boarding

7.6

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Related info for your journey

Find useful and relevant information for your journey from Chicago to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Oslo?

    There are many flights that can get you from Chicago to Oslo in 10h 05m. Fly via Icelandair, Lufthansa, or Delta to get the fastest option. Chicago and Oslo are separated by a distance of 4039 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 flying from Chicago to Oslo round-trip?

    Scandinavian Airlines, at $415, was found to be the cheapest airline from Chicago to Oslo.Alternate airlines to your destination round-trip include Icelandair and Lufthansa. You may be able to fly from Chicago to Oslo for 32% less than the average price by searching for these airlines.

  • What are the most popular routes from Chicago to Oslo?

    When deciding which route to take from Chicago to Oslo consider Chicago O'Hare Intl - Oslo Gardermoen, Chicago Midway - Oslo Gardermoen or Chicago O'Hare Intl - Oslo Sandefjord as they are the most popular.

  • Can I find deals for flights from Chicago to Oslo that include hotel bookings?

    Yes. In addition to deals on Chicago to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Oslo.

  • Can I find deals for business class flights from Chicago to Oslo?

    Yes. Cheapflights offers flight deals from Chicago to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Oslo?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Oslo (average of $383). Flying from Chicago to Oslo in June is currently the most expensive (average of $621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Chicago to Oslo

Discover the top 10 airlines that operate flights from Chicago to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$415Average$796FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$416Average$609FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$494Average$645FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$530Average$681FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$532Average$570FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$532Average$644FlexibilityNo cancel feeOn-time69%
KLMCheapest$554Average$758FlexibilityNo cancel feeOn-time75%
FinnairCheapest$555Average$676FlexibilityNo cancel feeOn-time76%
DeltaCheapest$562Average$775FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$605Average$634FlexibilityNo cancel feeOn-time79%

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