HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$282+ Cheap flights from Chicago (CHI) to Oslo Gardermoen (OSL)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Oslo Gardermoen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago to Oslo Gardermoen are usually found in November or February, booked 47 days in advance, depart on a Sunday or Wednesday and return on a Thursday

Cheap flight deals from Chicago to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Oslo Gardermoen (OSL). 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$551
(Scandinavian Airlines)

One-way from

$282
(oojo)

Popular in

June

Cheapest in

November

Average price

$611
Provider with most accurate pricing for Chicago (CHI)-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Oslo Gardermoen flights.
Search Deals
From Chicago (CHI) to Oslo Gardermoen
Search Deals
One-way flight from Chicago (CHI) to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Chicago to Oslo Gardermoen

Cheapest flights from Chicago to Oslo Gardermoen
Explore the most affordable flight options available from Chicago to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:10 amORD - OSL
2 stops16h 05mScandinavian Airlines
Thu 9/46:00 amOSL - ORD
1 stop17h 10mScandinavian Airlines
Deal found 4/23$551
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:15 pmORD - OSL
1 stop14h 20mMultiple Airlines
Wed 10/89:00 amOSL - ORD
2 stops17h 29mMultiple Airlines
Deal found 4/23$553
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:53 amORD - OSL
2 stops16h 42mBritish Airways
Sat 11/88:45 amOSL - ORD
2 stops19h 24mBritish Airways
Deal found 4/23$560
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 8/117:59 pmORD - OSL
2 stops15h 51mDelta
Thu 8/216:30 amOSL - ORD
1 stop14h 40mDelta
Deal found 4/23$565
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/159:40 pmORD - OSL
1 stop17h 30mUnited Airlines
Mon 8/256:35 amOSL - ORD
2 stops20h 41mUnited Airlines
Deal found 4/23$567
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:20 pmORD - OSL
1 stop21h 35mKLM
Mon 8/187:15 pmOSL - ORD
1 stop25h 55mKLM
Deal found 4/23$581
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 8/111:00 pmMDW - OSL
2 stops15h 50mDelta
Thu 8/216:30 amOSL - MDW
2 stops18h 33mDelta
Deal found 4/23$591
This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/288:25 pmORD - OSL
2 stops33h 40mAir Canada
Wed 5/146:50 amOSL - ORD
2 stops20h 22mAir Canada
Deal found 4/23$595
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:15 pmORD - OSL
1 stop21h 15mAmerican Airlines
Fri 5/237:50 amOSL - ORD
1 stop15h 05mAmerican Airlines
Deal found 4/22$597
This SWISS deal was found by Cheapflights users on 4/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:35 pmORD - OSL
1 stop22h 20mSWISS
Sun 5/185:40 amOSL - ORD
1 stop13h 30mSWISS
Deal found 4/23$608
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:40 pmORD - OSL
1 stop13h 25mLufthansa
Thu 5/11:00 pmOSL - ORD
1 stop13h 55mLufthansa
Deal found 4/23$632
This Air France deal was found by Cheapflights users on 4/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/75:10 pmORD - OSL
1 stop11h 40mAir France
Tue 7/158:25 amOSL - ORD
1 stop13h 35mAir France
Deal found 4/23$712

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Oslo Gardermoen 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 April 24, 2025.
Use the filters below to find and compare flights from Chicago to Oslo Gardermoen Airport that are best for you.

Fly from

Chicago

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 8/26

10:10 am-9:15 am

2 stops16h 05m

Oslo Gardermoen

Thu 9/4

6:00 am-4:10 pm

1 stop17h 10m

$551

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 9/29

7:15 pm-4:35 pm

1 stop14h 20m

Oslo Gardermoen

Wed 10/8

9:00 am-7:29 pm

2 stops17h 29m

$553

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/11

7:59 pm-6:50 pm

2 stops15h 51m

Oslo Gardermoen

Thu 8/21

6:30 am-2:10 pm

1 stop14h 40m

$565

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 8/15

9:40 pm-10:10 pm

1 stop17h 30m

Oslo Gardermoen

Mon 8/25

6:35 am-8:16 pm

2 stops20h 41m

$567

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/14

5:00 pm-11:55 pm

1 stop23h 55m

Oslo Gardermoen

Wed 8/20

7:40 am-5:37 pm

2 stops16h 57m

$575

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/7

4:20 pm-8:55 pm

1 stop21h 35m

Oslo Gardermoen

Mon 8/18

7:15 pm-2:10 pm

1 stop25h 55m

$581

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Mon 8/11

1:00 pm-11:50 am

2 stops15h 50m

Oslo Gardermoen

Thu 8/21

6:30 am-6:28 pm

2 stops18h 58m

$590

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 5/7

10:15 pm-12:35 pm

1 stop31h 20m

Oslo Gardermoen

Wed 5/14

1:50 pm-9:15 pm

1 stop14h 25m

$595

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 5/12

7:15 pm-11:30 pm

1 stop21h 15m

Oslo Gardermoen

Fri 5/23

7:50 am-3:55 pm

1 stop15h 05m

$597

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 5/13

12:00 pm-1:05 pm

2 stops18h 05m

Oslo Gardermoen

Thu 5/22

6:35 am-8:12 pm

2 stops20h 37m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 29 results
1
2
3

Compare providers for flights from Chicago to Oslo Gardermoen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Oslo Gardermoen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Oslo Gardermoen Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Oslo Gardermoen Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Oslo Gardermoen Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen 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 Gardermoen Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Oslo Gardermoen. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Oslo Gardermoen Airport, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $567). Flying from Chicago to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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 Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to Oslo Gardermoen Airport at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Chicago to Oslo Gardermoen Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Oslo Gardermoen. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Oslo Gardermoen Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Gardermoen. Reviews last updated April 24, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Chicago to Oslo. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines flying from Chicago to Oslo Gardermoen Airport round-trip?

    Our cheapest airline available from Chicago to Oslo Gardermoen Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $551 on this airline. Additional options worth looking into are British Airways and Delta, starting at $564 and $565 round-trip. You may be able to fly from Chicago to Oslo Gardermoen Airport for 12% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to Oslo Gardermoen Airport one-way?

    One-way options have recently been found by users for as low as $282 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from $306 and SWISS from $461 one-way.

  • Where are the most common layover locations when flying from Chicago to Oslo Gardermoen Airport?

    Most of the time, Chicago to Oslo Gardermoen Airport flights that have layovers will stop in Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $47 per day.

  • Where are the least popular layover locations for Chicago to Oslo Gardermoen Airport flights?

    Chicago to Oslo Gardermoen Airport flights that have layovers will least frequently stop in Copenhagen.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Oslo Gardermoen 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 Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $567). Flying from Chicago to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Gardermoen

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 9 airlines flying from Chicago to Oslo Gardermoen

Discover the top 9 airlines that operate flights from Chicago to Oslo Gardermoen. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$401Average$649FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$444Average$787FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$690FlexibilityNo cancel feeOn-time70%
FinnairCheapest$520Average$676FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$532Average$663FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$533Average$821FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$668FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$549Average$682FlexibilityNo cancel feeOn-time69%
DeltaCheapest$582Average$647FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.