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$372+ Cheap flights from Oslo Gardermoen (OSL) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — CHI
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Oslo Gardermoen to Chicago are usually found in November or September, booked 39 days in advance, depart on a Thursday or Monday and return on a Sunday

Cheap flight deals from Oslo Gardermoen to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Chicago (CHI). 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 January 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$372
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$441
Provider with most accurate pricing for Oslo Gardermoen-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Chicago (CHI) flights.
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From Oslo Gardermoen to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Oslo Gardermoen to Chicago

Cheapest flights from Oslo Gardermoen to Chicago
Explore the most affordable flight options available from Oslo Gardermoen to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/21:05 pmOSL - ORD
1 stop11h 15mIcelandair
Mon 3/177:30 pmORD - OSL
1 stop10h 05mIcelandair
Deal found 1/21$372
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:15 pmOSL - ORD
1 stop25h 55mKLM
Fri 4/184:20 pmORD - OSL
1 stop33h 20mKLM
Deal found 1/21$381
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:15 amOSL - ORD
1 stop14h 30mFinnair
Mon 3/174:27 pmORD - OSL
2 stops33h 38mFinnair
Deal found 1/21$388
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amOSL - ORD
1 stop17h 00mBritish Airways
Wed 3/1211:42 amORD - OSL
2 stops20h 33mBritish Airways
Deal found 1/21$391
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:15 amOSL - ORD
2 stops17h 27mMultiple Airlines
Mon 3/174:27 pmORD - OSL
2 stops33h 38mMultiple Airlines
Deal found 1/21$400
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/29:20 amOSL - ORD
1 stop12h 10mDelta
Mon 3/175:00 pmORD - OSL
2 stops17h 25mDelta
Deal found 1/21$416
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:15 amOSL - ORD
1 stop14h 30mAmerican Airlines
Mon 3/179:15 pmORD - OSL
1 stop19h 25mAmerican Airlines
Deal found 1/21$419
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:30 amOSL - MDW
2 stops18h 41mDelta
Mon 3/176:42 pmMDW - OSL
2 stops15h 43mDelta
Deal found 1/21$422
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:00 pmOSL - ORD
2 stops26h 04mUnited Airlines
Fri 4/187:30 amORD - OSL
2 stops27h 30mUnited Airlines
Deal found 1/21$465
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:00 amOSL - ORD
1 stop18h 50mScandinavian Airlines
Fri 3/148:40 pmORD - OSL
1 stop13h 50mScandinavian Airlines
Deal found 1/21$535
This Sembo deal was found by Cheapflights users on 1/21. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:15 pmOSL - MDW
2 stops29h 47mMultiple Airlines
Fri 4/185:59 pmMDW - OSL
2 stops31h 41mMultiple Airlines
Deal found 1/21$543
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:45 pmOSL - ORD
2 stops26h 25mLOT
Thu 4/179:40 pmORD - OSL
2 stops29h 15mLOT
Deal found 1/21$547

Find flights from Oslo Gardermoen to Chicago within your budget

Customize your flight search to find flights from Oslo Gardermoen to Chicago 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 3/2

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

Mon 3/17

7:30 pm-11:35 am

1 stop10h 05m

$372

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 4/8

7:15 pm-2:10 pm

1 stop25h 55m

Chicago O'Hare Intl

Fri 4/18

4:20 pm-8:40 am

1 stop33h 20m

$381

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 3/2

7:15 am-2:45 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 3/17

4:27 pm-8:05 am

2 stops33h 38m

$388

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 2/27

7:00 am-5:00 pm

1 stop17h 00m

Chicago O'Hare Intl

Wed 3/12

11:42 am-2:15 pm

2 stops20h 33m

$391

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 3/2

7:15 am-5:42 pm

2 stops17h 27m

Chicago O'Hare Intl

Mon 3/17

4:27 pm-8:05 am

2 stops33h 38m

$400

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 3/2

9:20 am-2:30 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 3/17

5:00 pm-4:25 pm

2 stops17h 25m

$416

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 3/2

7:15 am-2:45 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 3/17

9:15 pm-10:40 pm

1 stop19h 25m

$419

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Sun 3/2

6:30 am-6:11 pm

2 stops18h 41m

Chicago Midway

Mon 3/17

6:42 pm-4:25 pm

2 stops15h 43m

$422

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 4/8

1:00 pm-8:04 am

2 stops26h 04m

Chicago O'Hare Intl

Fri 4/18

7:30 am-6:00 pm

2 stops27h 30m

$465

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 3/1

6:00 am-5:50 pm

1 stop18h 50m

Chicago O'Hare Intl

Fri 3/14

8:40 pm-4:30 pm

1 stop13h 50m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 22 results
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Compare providers for flights from Oslo Gardermoen to Chicago

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 Oslo Gardermoen to Chicago in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 Oslo Gardermoen Airport-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Chicago flights, Cheapflights users trust eDreams the most. eDreams 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 Oslo Gardermoen Airport-Chicago 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 Oslo Gardermoen to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Oslo Gardermoen 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.

Travel insights for flights from Oslo Gardermoen to Chicago

Get recent, data-driven insights about flights from Oslo Gardermoen to Chicago including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Chicago. Price data was last updated on January 17, 2025.

The price you pay for your flight from Oslo Gardermoen Airport to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago (average of $245). Flying from Oslo Gardermoen Airport to Chicago in March is currently the most expensive (average of $320). 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 OSL to CHI?

Find hourly flight availability from Oslo Gardermoen to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

It’s optimal to fly from Oslo Gardermoen Airport to Chicago in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated January 21, 2025.
To help decide which airline to fly from Oslo to Chicago, see what other customers have to say about Delta and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Chicago. 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 Oslo Gardermoen Airport to Chicago round-trip?

    Icelandair, at $372, was found to be the cheapest airline from Oslo Gardermoen Airport to Chicago.Alternate airlines to your destination round-trip include KLM and Finnair. Icelandair is 25% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $414 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $459 and LOT from $1,271 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago (average of $245). Flying from Oslo Gardermoen Airport to Chicago in March is currently the most expensive (average of $320). 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 Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Oslo Gardermoen to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to O'Hare Intl flights
Oslo Gardermoen to St. Louis flights

Top 3 airlines flying from Oslo Gardermoen to Chicago

Discover the top 3 airlines that operate flights from Oslo Gardermoen to Chicago. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$370Average$664FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$416Average$547FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$429Average$556FlexibilityNo cancel feeOn-time69%
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