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$373+ Cheap flights from Oslo 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — CHI
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
1 adult, Economy
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Cheap 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 May 23, 2026.

This Icelandair deal was found by Cheapflights users on 5/19. 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.
Mon 10/261:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Thu 10/297:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Deal found 5/19$601
This American Airlines deal was found by Cheapflights users on 5/19. 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 10/267:20 am
OSL
-
ORD
2 stops22h 33m
American Airlines
Thu 10/299:40 pm
ORD
-
OSL
1 stop19h 55m
American Airlines
Deal found 5/19$606
This Expedia deal was found by Cheapflights users on 5/23. 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.
Mon 7/62:00 pm
OSL
-
ORD
1 stop12h 15m
Aer Lingus
Mon 7/203:45 pm
ORD
-
OSL
1 stop14h 10m
Aer Lingus
Deal found 5/23$608
This Iberia deal was found by Cheapflights users on 5/18. 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.
Mon 6/17:45 am
OSL
-
ORD
1 stop14h 15m
Multiple Airlines
Tue 6/168:50 pm
ORD
-
OSL
1 stop19h 30m
Multiple Airlines
Deal found 5/18$611
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Wed 6/101:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Sat 6/207:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Deal found 5/19$614
This Ticket deal was found by Cheapflights users on 5/18. 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 6/41:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Fri 6/1910:25 pm
ORD
-
OSL
1 stop31h 10m
Icelandair
Deal found 5/18$618
This Booking.com deal was found by Cheapflights users on 5/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Sat 6/2010:25 pm
ORD
-
OSL
1 stop10h 00m
Icelandair
Deal found 5/19$620
This Travelis deal was found by Cheapflights users on 5/20. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:35 am
OSL
-
ORD
1 stop14h 00m
SWISS
Tue 8/112:40 pm
ORD
-
OSL
1 stop15h 35m
SWISS
Deal found 5/20$627
This American Airlines deal was found by Cheapflights users on 5/18. 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 6/17:45 am
OSL
-
ORD
1 stop16h 50m
American Airlines
Tue 6/1610:30 pm
ORD
-
OSL
1 stop17h 50m
American Airlines
Deal found 5/18$631
This Finnair deal was found by Cheapflights users on 5/18. 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.
Thu 10/228:30 pm
OSL
-
ORD
2 stops28h 05m
Finnair
Mon 10/264:01 pm
ORD
-
OSL
2 stops22h 04m
Finnair
Deal found 5/18$632
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Tue 12/229:05 pm
OSL
-
ORD
1 stop26h 50m
Scandinavian Airlines
Sat 1/27:15 pm
ORD
-
OSL
1 stop30h 05m
Scandinavian Airlines
Deal found 5/20$646
This Delta deal was found by Cheapflights users on 5/22. 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.
Mon 6/86:30 am
OSL
-
MDW
2 stops19h 01m
Delta
Tue 6/236:58 pm
MDW
-
OSL
2 stops16h 37m
Delta
Deal found 5/22$677

Find 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 May 23, 2026.

Round-trip from

$601
(Icelandair)

One-way from

$373
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$583
From Oslo to Chicago (CHI)
Search Deals
One-way flight from Oslo to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
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 May 23, 2026.
Use the filters below to find and compare flights from Oslo to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 10/26

1:10 pm-6:20 pm

1 stop11h 10m

Chicago O'Hare Intl

Thu 10/29

7:30 pm-11:35 am

1 stop10h 05m

$601

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 6/3

11:35 am-3:00 pm

1 stop34h 25m

Chicago O'Hare Intl

Sun 6/7

6:10 pm-10:30 am

1 stop33h 20m

$647

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 8/10

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 8/31

12:55 pm-5:55 pm

2 stops22h 00m

$656

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 6/2

9:55 am-8:33 pm

2 stops17h 38m

Chicago O'Hare Intl

Tue 6/9

6:12 pm-6:05 pm

2 stops16h 53m

$658

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 6/11

6:30 am-2:15 pm

1 stop14h 45m

Chicago O'Hare Intl

Wed 6/24

12:27 pm-11:05 am

2 stops15h 38m

$660

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 6/11

6:45 am-12:55 pm

1 stop13h 10m

Chicago O'Hare Intl

Wed 6/24

6:00 pm-5:15 pm

1 stop16h 15m

$660

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/7

6:25 am-7:42 am

2 stops32h 17m

Chicago O'Hare Intl

Fri 8/28

6:15 pm-5:55 pm

2 stops16h 40m

$661

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 7/16

6:45 am-11:31 pm

2 stops23h 46m

Chicago O'Hare Intl

Tue 8/11

9:40 pm-10:05 pm

1 stop17h 25m

$662

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 7/23

9:55 am-11:31 pm

2 stops20h 36m

Chicago O'Hare Intl

Tue 7/28

11:07 am-9:05 am

2 stops14h 58m

$662

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 6/10

6:35 am-8:40 pm

2 stops21h 05m

Chicago O'Hare Intl

Sat 6/20

7:10 am-5:15 pm

2 stops27h 05m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 54 resultsSorted by cheapest first
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2
3
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6

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.

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Oslo to Chicago (average of $304). Flying from Oslo to Chicago in July is currently the most expensive (average of $494). 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.

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

How often are flights from Oslo to Chicago delayed?

About 0% of weekly flights between Oslo and Chicago have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Oslo to Chicago flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

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 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 23, 2026.
Get a feel of what it's like to fly with Icelandair and Lufthansa from Oslo to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
657 reviews

Crew

8.0

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

6.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Icelandair
7.0
Good
657 reviews
Icelandair
7.0
Good
657 reviews

Crew

8.0

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

6.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Lufthansa
6.8
Okay
8,023 reviews
Icelandair
7.0
Good
657 reviews

Crew

8.0

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

6.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.

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.

  • How long is the flight from Oslo to Chicago?

    For as low as $601, Icelandair can have you in Chicago from Oslo in 11h 10m. Oslo and Chicago are separated by a distance of 4039 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Oslo to Chicago round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Chicago, with prices starting at $614.

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

    $320 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and Icelandair, with prices starting from $398 and $451, 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, February is the cheapest month in which you can book a flight from Oslo to Chicago (average of $304). Flying from Oslo to Chicago in July is currently the most expensive (average of $494). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Hammond
Porter

Browse thousands of different options on Cheapflights for your next trip

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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

Top airline flying from Oslo to Chicago

Discover the top airline 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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$614Average$620FlexibilityNo cancel feeOn-time77%

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