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Oslo Gardermoen

$188+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Oslo Gardermoen are usually found in November or October, 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 July 1, 2025.

Round-trip from

$496
(oojo)

One-way from

$188
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$737
From Chicago (CHI) to Oslo Gardermoen
Search Deals
One-way flight from Chicago (CHI) to Oslo Gardermoen
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Highest demand for flights based on searches. 15% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This oojo deal was found by Cheapflights users on 6/28. 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.
Wed 9/37:00 amORD - OSL
2 stops22h 55mScandinavian Airlines
Sun 9/218:55 pmOSL - ORD
1 stop26h 15mScandinavian Airlines
Deal found 6/28$496
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:06 pmORD - OSL
2 stops21h 09mUnited Airlines
Thu 8/217:15 amOSL - ORD
1 stop13h 45mUnited Airlines
Deal found 6/30$500
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:35 pmORD - OSL
1 stop15h 05mMultiple Airlines
Mon 8/258:35 pmOSL - ORD
2 stops24h 15mMultiple Airlines
Deal found 6/29$501
This British Airways deal was found by Cheapflights users on 6/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:15 pmORD - OSL
1 stop19h 40mBritish Airways
Thu 8/217:45 amOSL - ORD
1 stop17h 30mBritish Airways
Deal found 6/29$503
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 pmORD - OSL
1 stop22h 40mAmerican Airlines
Fri 11/287:15 amOSL - ORD
1 stop13h 40mAmerican Airlines
Deal found 6/29$506
This Iberia deal was found by Cheapflights users on 6/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:29 amORD - OSL
2 stops30h 56mIberia
Thu 8/286:55 pmOSL - ORD
1 stop26h 20mIberia
Deal found 6/29$511
This Icelandair deal was found by Cheapflights users on 6/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:15 pmORD - OSL
1 stop31h 20mIcelandair
Mon 8/184:30 pmOSL - ORD
1 stop32h 45mIcelandair
Deal found 6/29$523
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:45 pmORD - OSL
2 stops19h 00mAir Canada
Sat 11/151:50 pmOSL - ORD
2 stops26h 23mAir Canada
Deal found 6/30$536
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:25 pmMDW - OSL
2 stops18h 25mDelta
Sun 12/76:20 amOSL - MDW
2 stops41h 03mDelta
Deal found 6/29$544
This Delta deal was found by Cheapflights users on 6/30. 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 8/1310:35 amORD - OSL
2 stops15h 40mDelta
Thu 8/216:00 amOSL - ORD
2 stops18h 37mDelta
Deal found 6/30$548
This KLM deal was found by Cheapflights users on 6/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:21 pmMDW - OSL
2 stops13h 59mKLM
Mon 8/48:00 amOSL - MDW
2 stops17h 40mKLM
Deal found 6/30$914

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 July 1, 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

Wed 9/3

7:00 am-12:55 pm

2 stops22h 55m

Oslo Gardermoen

Sun 9/21

8:55 pm-4:10 pm

1 stop26h 15m

$496

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 8/13

1:06 pm-5:15 pm

2 stops21h 09m

Oslo Gardermoen

Thu 8/21

7:15 am-2:00 pm

1 stop13h 45m

$500

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/18

8:35 pm-6:40 pm

1 stop15h 05m

Oslo Gardermoen

Mon 8/25

8:35 pm-1:50 pm

2 stops24h 15m

$501

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/14

9:15 pm-11:55 pm

1 stop19h 40m

Oslo Gardermoen

Tue 8/19

7:25 pm-3:55 pm

1 stop27h 30m

$503

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 11/24

5:00 pm-10:40 pm

1 stop22h 40m

Oslo Gardermoen

Fri 11/28

7:15 am-1:55 pm

1 stop13h 40m

$506

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 8/19

9:29 am-11:25 pm

2 stops30h 56m

Oslo Gardermoen

Thu 8/28

6:55 pm-2:15 pm

1 stop26h 20m

$511

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 8/12

10:15 pm-12:35 pm

1 stop31h 20m

Oslo Gardermoen

Mon 8/18

4:30 pm-6:15 pm

1 stop32h 45m

$523

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 11/8

3:45 pm-5:45 pm

2 stops19h 00m

Oslo Gardermoen

Sat 11/15

1:50 pm-9:13 am

2 stops26h 23m

$536

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Tue 8/12

1:08 pm-11:50 am

2 stops15h 42m

Oslo Gardermoen

Wed 8/20

6:00 am-5:37 pm

2 stops18h 37m

$548

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 8/13

10:35 am-9:15 am

2 stops15h 40m

Oslo Gardermoen

Thu 8/21

6:00 am-5:37 pm

2 stops18h 37m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 23 results
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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 June 27, 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 $1,012). 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 July 1, 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.

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

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 July 1, 2025.
See what other customers who have flown with Delta, KLM, and Finnair 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.
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $496 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $500 and $503 round-trip. You may be able to fly from Chicago to Oslo Gardermoen Airport for 19% 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 $188 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $268 and Lufthansa from $360 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 $74 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 $1,012). 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 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$404Average$610FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$444Average$799FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$516Average$722FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$534Average$653FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$540Average$685FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$549Average$653FlexibilityNo cancel feeOn-time69%
KLMCheapest$550Average$757FlexibilityNo cancel feeOn-time75%
FinnairCheapest$552Average$678FlexibilityNo cancel feeOn-time76%
DeltaCheapest$582Average$663FlexibilityNo cancel feeOn-timeN/A

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