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$280+ Cheap flights from Oslo Gardermoen (OSL) to Chicago (CHI)

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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — CHI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Chicago are usually found in November or September, booked 8 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 April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$431
(Flightnetwork)

One-way from

$280
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$510
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)
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One-way flight from Oslo Gardermoen to Chicago (CHI)
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Highest demand for flights based on searches. 14% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:50 pmOSL - ORD
1 stop11h 25mIcelandair
Tue 5/2710:15 pmORD - OSL
1 stop10h 10mIcelandair
Deal found 4/28$431
This Ticket deal was found by Cheapflights users on 4/28. 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.
Thu 5/1511:40 amOSL - ORD
1 stop12h 20mMultiple Airlines
Thu 5/294:44 pmORD - OSL
2 stops16h 51mMultiple Airlines
Deal found 4/28$444
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:20 amOSL - ORD
1 stop11h 50mDelta
Tue 9/25:45 pmORD - OSL
2 stops15h 55mDelta
Deal found 4/28$452
This British Airways deal was found by Cheapflights users on 4/29. 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.
Fri 6/137:50 amOSL - ORD
1 stop17h 25mBritish Airways
Fri 6/207:15 pmORD - OSL
1 stop20h 15mBritish Airways
Deal found 4/29$456
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:20 amOSL - MDW
2 stops16h 08mDelta
Tue 9/25:59 pmMDW - OSL
2 stops15h 41mDelta
Deal found 4/28$457
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/157:45 amOSL - ORD
1 stop15h 10mAmerican Airlines
Thu 5/2910:25 pmORD - OSL
1 stop18h 30mAmerican Airlines
Deal found 4/29$466
This Iberia deal was found by Cheapflights users on 4/29. 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.
Thu 5/1511:40 amOSL - ORD
1 stop12h 20mIberia
Thu 5/2910:25 pmORD - OSL
1 stop18h 30mIberia
Deal found 4/29$499
This Ovago deal was found by Cheapflights users on 4/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:20 pmOSL - ORD
2 stops25h 35mFinnair
Tue 7/89:15 pmORD - OSL
1 stop19h 10mFinnair
Deal found 4/27$514
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:45 amOSL - ORD
1 stop12h 15mBrussels Airlines
Thu 5/296:05 pmORD - OSL
2 stops16h 10mBrussels Airlines
Deal found 4/29$526
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:35 amOSL - ORD
2 stops23h 55mUnited Airlines
Thu 7/2410:50 amORD - OSL
2 stops15h 10mUnited Airlines
Deal found 4/29$539
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:55 amOSL - ORD
1 stop16h 15mScandinavian Airlines
Sat 8/307:15 pmORD - OSL
1 stop14h 20mScandinavian Airlines
Deal found 4/29$548
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:45 amOSL - ORD
2 stops15h 20mAir Canada
Tue 5/273:50 pmORD - OSL
2 stops19h 15mAir Canada
Deal found 4/28$555

Cheapflights Fare Finder

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 April 30, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Chicago that are best for you.

Fly from

Oslo Gardermoen

Fly to

Chicago

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 5/12

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 5/27

10:15 pm-3:25 pm

1 stop10h 10m

$431

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 5/15

11:40 am-5:00 pm

1 stop12h 20m

Chicago O'Hare Intl

Thu 5/29

4:44 pm-4:35 pm

2 stops16h 51m

$444

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 8/26

9:20 am-2:10 pm

1 stop11h 50m

Chicago O'Hare Intl

Tue 9/2

5:45 pm-4:40 pm

2 stops15h 55m

$452

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 6/13

7:50 am-6:15 pm

1 stop17h 25m

Chicago O'Hare Intl

Fri 6/20

7:15 pm-10:30 pm

1 stop20h 15m

$456

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Tue 8/26

9:20 am-6:28 pm

2 stops16h 08m

Chicago Midway

Tue 9/2

5:59 pm-4:40 pm

2 stops15h 41m

$457

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 5/15

7:45 am-3:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 5/29

10:25 pm-11:55 pm

1 stop18h 30m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 5/15

11:40 am-5:00 pm

1 stop12h 20m

Chicago O'Hare Intl

Thu 5/29

10:25 pm-11:55 pm

1 stop18h 30m

$499

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 6/24

5:20 pm-11:55 am

2 stops25h 35m

Chicago O'Hare Intl

Tue 7/8

9:15 pm-11:25 pm

1 stop19h 10m

$514

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 5/15

6:45 am-12:00 pm

1 stop12h 15m

Chicago O'Hare Intl

Thu 5/29

6:05 pm-5:15 pm

2 stops16h 10m

$526

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 7/19

6:35 am-11:30 pm

2 stops23h 55m

Chicago O'Hare Intl

Thu 7/24

10:50 am-9:00 am

2 stops15h 10m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 32 results
1
2
3
4
  • 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.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Chicago

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 April 25, 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 8 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 $321). 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 April 30, 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 April 30, 2025.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 $431, was found to be the cheapest airline from Oslo Gardermoen Airport to Chicago.Alternate airlines to your destination round-trip include Delta and British Airways. Icelandair is 16% 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 $440 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from $448 and LOT from $499 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 $321). 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
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 2 airlines flying from Oslo Gardermoen to Chicago

Discover the top 2 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$416Average$512FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$507Average$745FlexibilityNo cancel feeOn-time76%

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