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Oslo Gardermoen

$341+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
apr 5 — apr 121
lör 4/5
lör 4/12
1 adult, Economy
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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 mars 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$536
(oojo)

One-way from

$341
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$560
Provider with most accurate pricing for Chicago (CHI)-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Oslo Gardermoen flights.
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From Chicago (CHI) to Oslo Gardermoen
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One-way flight from Chicago (CHI) to Oslo Gardermoen
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Highest demand for flights based on searches. 20% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 mars 31, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 10/87:25 pmORD - OSL
1 stop10h 10mIcelandair
ons 10/151:50 pmOSL - ORD
1 stop14h 25mIcelandair
Deal found 3/30$526
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 10/117:15 pmORD - OSL
1 stop11h 55mScandinavian Airlines
tis 10/2110:25 amOSL - ORD
1 stop12h 45mScandinavian Airlines
Deal found 3/30$527
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.
fre 10/312:10 pmORD - OSL
2 stops17h 40mDelta
lör 11/89:20 amOSL - ORD
1 stop12h 10mDelta
Deal found 3/30$562
This Lufthansa deal was found by Cheapflights users on 3/29. 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.
lör 3/2911:35 pmORD - OSL
1 stop17h 15mMultiple Airlines
ons 4/95:40 amOSL - ORD
1 stop17h 15mMultiple Airlines
Deal found 3/29$574
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 5/78:30 pmORD - OSL
1 stop20h 00mFinnair
lör 5/248:35 amOSL - ORD
1 stop15h 50mFinnair
Deal found 3/30$589
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 10/145:05 pmORD - OSL
2 stops16h 10mBritish Airways
fre 10/248:35 amOSL - ORD
2 stops31h 09mBritish Airways
Deal found 3/30$591
This Flightnetwork deal was found by Cheapflights users on 3/31. 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.
tis 5/68:40 amORD - OSL
2 stops24h 00mAir Canada
tis 5/136:35 amOSL - ORD
2 stops20h 37mAir Canada
Deal found 3/31$598
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 10/912:54 pmORD - OSL
2 stops14h 56mAmerican Airlines
mån 10/1311:35 amOSL - ORD
1 stop12h 25mAmerican Airlines
Deal found 3/30$600
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 10/97:05 pmORD - OSL
1 stop35h 00mSWISS
fre 10/175:40 amOSL - ORD
1 stop17h 15mSWISS
Deal found 3/30$604
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.
tis 10/146:45 pmMDW - OSL
2 stops17h 05mDelta
tors 10/236:30 amOSL - MDW
2 stops19h 06mDelta
Deal found 3/30$607
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 7/317:50 pmORD - OSL
1 stop32h 10mTurkish Airlines
ons 10/296:15 pmOSL - ORD
1 stop31h 10mTurkish Airlines
Deal found 3/30$610
This United Airlines deal was found by Cheapflights users on 3/31. 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.
ons 10/89:40 pmORD - OSL
1 stop13h 25mUnited Airlines
mån 10/136:35 amOSL - ORD
2 stops16h 55mUnited Airlines
Deal found 3/31$621

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 mars 31, 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

tis 9/2

7:15 pm-10:20 am

1 stop32h 05m

Oslo Gardermoen

tis 9/9

11:05 am-4:10 pm

1 stop12h 05m

$536

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mån 4/28

7:25 pm-12:35 pm

1 stop10h 10m

Oslo Gardermoen

mån 5/5

4:20 pm-6:15 pm

1 stop32h 55m

$556

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

ons 5/7

8:30 pm-11:30 pm

1 stop20h 00m

Oslo Gardermoen

lör 5/24

8:35 am-5:25 pm

1 stop15h 50m

$589

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mån 6/2

5:51 am-12:55 pm

1 stop24h 04m

Oslo Gardermoen

tors 6/12

8:05 pm-6:35 am

1 stop17h 30m

$596

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

tis 5/6

8:40 am-3:40 pm

2 stops24h 00m

Oslo Gardermoen

tis 5/13

6:35 am-8:12 pm

2 stops20h 37m

$598

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

tors 7/31

7:50 pm-11:00 am

1 stop32h 10m

Oslo Gardermoen

ons 10/29

6:15 pm-7:25 pm

1 stop31h 10m

$610

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

tis 4/22

10:20 pm-11:25 pm

1 stop18h 05m

Oslo Gardermoen

ons 5/7

1:20 pm-5:50 pm

1 stop11h 30m

$613

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

tors 5/8

6:35 pm-11:55 pm

1 stop22h 20m

Oslo Gardermoen

ons 5/14

5:40 am-3:55 pm

1 stop17h 15m

$625

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

ons 5/14

9:15 pm-11:30 pm

1 stop19h 15m

Oslo Gardermoen

ons 5/21

7:40 am-1:50 pm

1 stop13h 10m

$629

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

tors 9/18

10:40 am-6:00 pm

2 stops24h 20m

Oslo Gardermoen

tis 9/23

6:35 am-8:11 pm

2 stops20h 36m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 28 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 28, 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 $1,110). 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 mars 31, 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 mars 31, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

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 $536 on this airline. Additional options worth looking into are Icelandair and Finnair, starting at $556 and $557 round-trip. You may be able to fly from Chicago to Oslo Gardermoen Airport for 15% 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 $455 on Lufthansa. Other airlines that offer cheap prices include SWISS from $508 and United Airlines from $513 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 $52 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 $1,110). 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.

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Top 10 airlines flying from Chicago to Oslo Gardermoen

Discover the top 10 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 mars 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$410Average$679FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$446Average$797FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$683FlexibilityNo cancel feeOn-time70%
FinnairCheapest$520Average$664FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$532Average$620FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$533Average$819FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$540Average$600FlexibilityNo cancel feeOn-time77%
KLMCheapest$546Average$692FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$549Average$689FlexibilityNo cancel feeOn-time69%
DeltaCheapest$583Average$752FlexibilityNo cancel feeOn-timeN/A
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