HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$240+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
Apr 29 — May 61
Wed 4/29
Wed 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.

Cheap 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 March 30, 2026.

This Sembo deal was found by Cheapflights users on 3/25. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Sat 4/251:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Deal found 3/25$455
This oojo deal was found by Cheapflights users on 3/25. 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.
Mon 4/277:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Mon 5/41:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Deal found 3/25$502
This oojo deal was found by Cheapflights users on 3/25. 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.
Sun 4/2610:25 pm
ORD
-
OSL
1 stop31h 10m
Icelandair
Sun 5/31:50 pm
OSL
-
ORD
1 stop14h 35m
Icelandair
Deal found 3/25$503
This Ticket deal was found by Cheapflights users on 3/28. 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.
Sun 4/127:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Deal found 3/28$511
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Sun 4/264:30 pm
OSL
-
ORD
1 stop11h 55m
Icelandair
Deal found 3/27$544
This oojo deal was found by Cheapflights users on 3/28. 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.
Sun 4/127:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Sun 4/194:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Deal found 3/28$546
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Fri 4/1710:25 pm
ORD
-
OSL
1 stop10h 00m
Icelandair
Wed 4/221:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Deal found 3/26$548
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Mon 4/137:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Deal found 3/27$550
This Delta deal was found by Cheapflights users on 3/30. 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 4/271:24 pm
MDW
-
OSL
2 stops17h 21m
Delta
Mon 5/46:30 am
OSL
-
MDW
2 stops18h 28m
Delta
Deal found 3/30$715
This Delta deal was found by Cheapflights users on 3/30. 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.
Thu 11/265:59 pm
MDW
-
OSL
2 stops15h 21m
Delta
Thu 12/107:50 am
OSL
-
MDW
2 stops17h 47m
Delta
Deal found 3/30$733
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 4/229:29 am
MDW
-
OSL
2 stops16h 16m
Delta
Tue 4/288:00 am
OSL
-
MDW
2 stops17h 36m
Delta
Deal found 3/30$738
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 3/296:34 pm
MDW
-
OSL
2 stops15h 06m
Delta
Sat 4/116:30 am
OSL
-
MDW
2 stops19h 10m
Delta
Deal found 3/27$747

Find 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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$502
(oojo)

One-way from

$240
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$597
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. 21% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 30, 2026.
Use the filters below to find and compare flights from Chicago to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 4/27

1:36 pm-1:45 pm

2 stops17h 09m

Oslo Gardermoen

Mon 5/4

9:20 am-2:30 pm

1 stop12h 10m

$705

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Wed 4/22

12:52 pm-11:05 am

2 stops15h 13m

Oslo Gardermoen

Tue 4/28

8:00 am-6:36 pm

2 stops17h 36m

$738

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 8/15

12:15 pm-11:50 am

2 stops16h 35m

Oslo Gardermoen

Sat 8/22

9:20 am-2:15 pm

1 stop11h 55m

$738

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 4/22

11:00 am-11:05 am

2 stops17h 05m

Oslo Gardermoen

Tue 4/28

8:00 am-7:52 pm

2 stops18h 52m

$738

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 4/13

1:36 pm-11:05 am

2 stops14h 29m

Oslo Gardermoen

Mon 4/20

6:30 am-2:30 pm

1 stop15h 00m

$742
Quickest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 4/10

7:14 pm-4:20 pm

2 stops14h 06m

Oslo Gardermoen

Sat 4/25

9:20 am-2:15 pm

1 stop11h 55m

$743

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 4/18

5:10 pm-11:45 am

1 stop11h 35m

Oslo Gardermoen

Sun 4/26

9:20 am-6:13 pm

2 stops15h 53m

$743

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 4/25

11:08 am-11:05 am

2 stops16h 57m

Oslo Gardermoen

Sat 5/2

6:30 am-2:15 pm

1 stop14h 45m

$743

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 4/23

5:04 pm-4:20 pm

2 stops16h 16m

Oslo Gardermoen

Thu 4/30

6:30 am-2:15 pm

1 stop14h 45m

$743

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 4/15

5:10 pm-4:40 pm

1 stop16h 30m

Oslo Gardermoen

Tue 4/21

11:50 am-7:52 pm

2 stops15h 02m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 35 resultsSorted by cheapest first
1
2
3
4

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Oslo Gardermoen Airport, you should look to book at least 72 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, March is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $364). Flying from Chicago to Oslo Gardermoen Airport in June is currently the most expensive (average of $675). 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.

How much does it cost to fly round-trip from Chicago to Oslo Gardermoen Airport?

What’s the top layover airport for flights from Chicago to Oslo Gardermoen Airport?

Share of 1-stop round-trip flights from Chicago to Oslo Gardermoen Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 80% of 1-stop itineraries from Chicago to Oslo Gardermoen Airport on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Oslo Gardermoen Airport?

Average round-trip fare for 1-stop flights from Chicago to Oslo Gardermoen Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $566.

What’s the fastest layover option from Chicago to Oslo Gardermoen Airport?

Shortest average travel time for 1-stop one-way flights from Chicago to Oslo Gardermoen Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 10m.

Which airport typically offers the quickest layover for flights from Chicago to Oslo Gardermoen Airport?

Average layover duration for 1-stop one-way flights from Chicago to Oslo Gardermoen Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 25m.

How often are flights from Chicago to Oslo delayed?

About 40% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 226 minutes.

What is the most punctual flight time for Chicago to Oslo flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Oslo flights?

Over the last year, Atlas Air have had the lowest number of delays on this route, with just 46% of flights being delayed.

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 March 30, 2026.
See what other customers who have flown with KLM,United Airlines, andScandinavian Airlines from Chicago to Oslo Gardermoen Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,480 reviews
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,514 reviews
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Scandinavian Airlines
7.3
Good
1,731 reviews
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
627 reviews
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,877 reviews
KLM
7.8
Good
1,480 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • How long is the flight from Chicago to Oslo Gardermoen Airport?

    Delta can get you from Chicago to Oslo Gardermoen Airport in just under 17h 09m. Your travel time can differ by up to . The distance between Chicago and Oslo Gardermoen Airport is about 4039 mi.

  • 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 $387 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at $397 and $471 round-trip. You may be able to fly from Chicago to Oslo Gardermoen Airport for 34% less than the average price by searching for these airlines.

  • 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, March is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $364). Flying from Chicago to Oslo Gardermoen Airport in June is currently the most expensive (average of $675). 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 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$387Average$716FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$397Average$601FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$471Average$690FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$494Average$579FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$593FlexibilityNo cancel feeOn-time71%
DeltaCheapest$513Average$647FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$513Average$663FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$532Average$619FlexibilityNo cancel feeOn-time69%
KLMCheapest$544Average$770FlexibilityNo cancel feeOn-time75%

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.
Site
©2026 Cheapflights