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$372+ Cheap flights from Oslo 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 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 to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) 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.

Round-trip from

$372
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$441
From Oslo 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).
Search Deals
Average for round-trip flights in January 2025
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Find flight deals from Oslo to Chicago

Cheapest flights from Oslo to Chicago
Explore the most affordable flight options available from Oslo 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 Flightsearch 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/271:05 pmTRF - ORD
1 stop11h 45mScandinavian Airlines
Wed 3/121:35 pmORD - TRF
2 stops17h 00mScandinavian Airlines
Deal found 1/21$446
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

Find flights from Oslo to Chicago within your budget

Customize your flight search to find flights from Oslo 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

TRF - ORD

TRFORD

Oslo Sandefjord

Thu 2/27

1:05 pm-5:50 pm

1 stop11h 45m

Chicago O'Hare Intl

Wed 3/12

1:35 pm-12:35 pm

2 stops17h 00m

$446

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 27 results
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Best time to book a flight from Oslo to Chicago

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

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

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

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

The price you pay for your flight from Oslo 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 to Chicago?

Currently, August is the cheapest month in which you can book a flight from Oslo to Chicago (average of $245). Flying from Oslo 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 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 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.
Get a feel of what it's like to fly with Delta, KLM and Scandinavian Airlines from Oslo to Chicago by reading reviews from past customers. In addition to providing an overall rating, 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

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

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 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 to Chicago round-trip?

    Flying on Icelandair is currently your cheapest option to Chicago, with prices starting at $372. Additional round-trip tickets that might be worth considering are offered by KLM and Finnair, with the lowest prices starting at $381 and $388, respectively. You may be able to fly from Oslo to Chicago for 25% less than the average price by searching for these airlines.

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

    $414 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Scandinavian Airlines, with prices starting from $459 and $590, respectively.

  • What are the most popular routes from Oslo to Chicago?

    The most popular flight routes from Oslo to Chicago are Oslo Gardermoen - Chicago O'Hare Intl, Oslo Gardermoen - Chicago Midway and Oslo Sandefjord - Chicago O'Hare Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo 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 to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Oslo to Chicago (average of $245). Flying from Oslo 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?

Book flights to Oslo 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 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
Bergen to O'Hare Intl flights
Stavanger to O'Hare Intl flights
Trondheim to O'Hare Intl flights

Top 3 airlines flying from Oslo to Chicago

Discover the top 3 airlines that operate flights from Oslo 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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