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Oslo Gardermoen

$246+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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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 May 25, 2026.

This Lufthansa deal was found by Cheapflights users on 5/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:30 pm
ORD
-
OSL
1 stop12h 55m
Lufthansa
Sun 9/206:25 am
OSL
-
ORD
1 stop13h 30m
Lufthansa
Deal found 5/21$530
This Austrian Airlines deal was found by Cheapflights users on 5/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:55 pm
ORD
-
OSL
2 stops15h 40m
Austrian Airlines
Sat 9/1912:20 pm
OSL
-
ORD
1 stop32h 00m
Austrian Airlines
Deal found 5/21$557
This oojo deal was found by Cheapflights users on 5/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Sun 11/81:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 5/23$563
This oojo deal was found by Cheapflights users on 5/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:30 pm
ORD
-
OSL
1 stop19h 05m
Icelandair
Tue 12/221:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 5/23$587
This SWISS deal was found by Cheapflights users on 5/24. 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.
Mon 6/222:20 pm
ORD
-
OSL
1 stop26h 50m
SWISS
Wed 7/85:35 am
OSL
-
ORD
1 stop14h 00m
SWISS
Deal found 5/24$589
This Icelandair deal was found by Cheapflights users on 5/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Thu 11/129:30 pm
OSL
-
ORD
1 stop26h 50m
Icelandair
Deal found 5/20$595
This oojo deal was found by Cheapflights users on 5/24. 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.
Tue 11/246:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Sun 11/299:30 pm
OSL
-
ORD
1 stop26h 50m
Icelandair
Deal found 5/24$597
This Lufthansa deal was found by Cheapflights users on 5/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:30 pm
ORD
-
OSL
1 stop12h 50m
Lufthansa
Fri 8/216:25 am
OSL
-
ORD
1 stop20h 30m
Lufthansa
Deal found 5/23$614
This Mytrip deal was found by Cheapflights users on 5/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:25 pm
ORD
-
OSL
1 stop9h 50m
Icelandair
Wed 10/211:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Deal found 5/22$619
This oojo deal was found by Cheapflights users on 5/24. 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.
Fri 10/1610:25 pm
ORD
-
OSL
1 stop10h 00m
Icelandair
Sun 10/251:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 5/24$628
This Delta deal was found by Cheapflights users on 5/23. 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 8/101:27 pm
MDW
-
OSL
2 stops15h 23m
Delta
Sun 8/236:30 am
OSL
-
MDW
2 stops18h 31m
Delta
Deal found 5/23$750
This Delta deal was found by Cheapflights users on 5/20. 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 8/136:42 pm
MDW
-
OSL
2 stops16h 53m
Delta
Mon 8/249:20 am
OSL
-
MDW
2 stops15h 41m
Delta
Deal found 5/20$755

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 May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$530
(Lufthansa)

One-way from

$246
(oojo)

Popular in

June

Cheapest in

January

Average price

$697
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. 25% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 25, 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

MDW - OSL

MDWOSL

Chicago Midway

Mon 8/10

1:27 pm-11:50 am

2 stops15h 23m

Oslo Gardermoen

Sun 8/23

6:30 am-6:01 pm

2 stops18h 31m

$750

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Tue 8/18

1:27 pm-1:45 pm

2 stops17h 18m

Oslo Gardermoen

Tue 8/25

6:30 am-4:15 pm

2 stops16h 45m

$750

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Sat 8/8

9:24 am-8:45 am

2 stops16h 21m

Oslo Gardermoen

Fri 8/21

6:30 am-6:33 pm

2 stops19h 03m

$755

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 9/3

5:20 pm-4:40 pm

2 stops16h 20m

Oslo Gardermoen

Thu 9/10

9:20 am-2:15 pm

1 stop11h 55m

$771

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 9/4

2:30 pm-10:05 pm

2 stops24h 35m

Oslo Gardermoen

Sat 9/12

6:45 am-12:00 pm

1 stop12h 15m

$773

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 9/3

12:16 pm-10:55 am

2 stops15h 39m

Oslo Gardermoen

Mon 9/7

6:45 am-2:55 pm

2 stops15h 10m

$776

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Sun 9/6

5:45 pm-4:40 pm

2 stops15h 55m

Oslo Gardermoen

Sun 9/20

6:30 am-6:33 pm

2 stops19h 03m

$780

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 8/2

4:20 pm-4:20 pm

1 stop17h 00m

Oslo Gardermoen

Sun 8/16

6:30 am-6:28 pm

2 stops18h 58m

$780

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Wed 10/7

1:00 pm-11:05 am

2 stops15h 05m

Oslo Gardermoen

Wed 10/21

6:30 am-4:50 pm

2 stops17h 20m

$785

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Fri 10/16

12:30 pm-11:05 am

2 stops15h 35m

Oslo Gardermoen

Sun 10/25

8:00 am-9:45 pm

2 stops19h 45m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 33 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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

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

Currently, September is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $225). Flying from Chicago to Oslo Gardermoen Airport in July is currently the most expensive (average of $424). 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 89% 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.

Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $2,144.

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 46% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 293 minutes.

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

Historically, flights departing at night 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?

Wednesday 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 48% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Chicago to Oslo Gardermoen Airport, you should look to book at least 60 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.

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 May 25, 2026.
See what other customers who have flown with KLM,Scandinavian Airlines, andUnited 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
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,521 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Scandinavian Airlines
7.4
Good
1,791 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,751 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
658 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,029 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 and United Airlines can get you from Chicago to Oslo Gardermoen Airport in just under 15h 23m. Your travel time can differ by up to 9h 12m. The distance between Chicago and Oslo Gardermoen Airport is about 4045 mi. This flight may include one or multiple stops.

  • 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 $384 on this airline. Additional options worth looking into are Icelandair and Lufthansa, starting at $395 and $494 round-trip. You may be able to fly from Chicago to Oslo Gardermoen Airport for 37% 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, September is the cheapest month in which you can book a flight from Chicago to Oslo Gardermoen Airport (average of $225). Flying from Chicago to Oslo Gardermoen Airport in July is currently the most expensive (average of $424). 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

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Top 7 airlines flying from Chicago to Oslo Gardermoen

Discover the top 7 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 May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$384Average$664FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$395Average$613FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$494Average$592FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$592FlexibilityNo cancel feeOn-time71%
DeltaCheapest$513Average$728FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$516Average$770FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$527Average$639FlexibilityNo cancel feeOn-time69%

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