HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo

$252+ Cheap flights from O'Hare Intl (ORD) to Oslo

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Oslo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Oslo are usually found in February or March, booked 27 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap flight deals from O'Hare Intl to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Oslo (OS1). 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 September 17, 2025.

Round-trip from

$380
(Sembo)

One-way from

$252
(oojo)

Popular in

June

Cheapest in

February

Average price

$592
From Chicago O'Hare Intl to Oslo
Search Deals
One-way flight from Chicago O'Hare Intl to Oslo
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from O'Hare Intl to Oslo

Cheapest flights from O'Hare Intl to Oslo
Explore the most affordable flight options available from O'Hare Intl to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Sembo deal was found by Cheapflights users on 9/15. 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.
Sat 10/187:25 pmORD - OSL
1 stop10h 10mIcelandair
Mon 11/31:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/15$380
This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 pmORD - OSL
1 stop10h 05mIcelandair
Thu 11/131:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/15$382
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:31 amORD - OSL
2 stops15h 49mScandinavian Airlines
Mon 12/89:00 amOSL - ORD
1 stop14h 45mScandinavian Airlines
Deal found 9/16$386
This Flightnetwork deal was found by Cheapflights users on 9/16. 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.
Thu 10/167:25 pmORD - OSL
1 stop10h 10mIcelandair
Sat 11/11:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/16$388
This oojo deal was found by Cheapflights users on 9/15. 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.
Thu 11/66:30 pmORD - OSL
1 stop10h 05mIcelandair
Wed 11/121:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/15$394
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Thu 10/237:25 pmORD - OSL
1 stop10h 10mIcelandair
Thu 11/61:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/17$395
This oojo deal was found by Cheapflights users on 9/16. 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 12/36:30 pmORD - OSL
1 stop10h 05mIcelandair
Sun 12/71:05 pmOSL - ORD
1 stop11h 15mIcelandair
Deal found 9/16$402
This oojo deal was found by Cheapflights users on 9/17. 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.
Tue 12/26:30 pmORD - OSL
1 stop10h 05mIcelandair
Mon 12/81:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 9/17$403
This oojo deal was found by Cheapflights users on 9/16. 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.
Sun 10/127:25 pmORD - OSL
1 stop10h 10mIcelandair
Wed 10/224:30 pmOSL - ORD
1 stop32h 45mIcelandair
Deal found 9/16$420
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 11/1210:00 amORD - TRF
3 stops27h 05mMultiple Airlines
Wed 11/198:40 amTRF - ORD
2 stops16h 45mMultiple Airlines
Deal found 9/15$593
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amORD - TRF
2 stops24h 05mScandinavian Airlines
Sun 12/72:35 pmTRF - ORD
1 stop33h 10mScandinavian Airlines
Deal found 9/16$608
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/99:40 pmORD - TRF
2 stops16h 40mMultiple Airlines
Mon 10/1312:05 pmTRF - ORD
2 stops14h 35mMultiple Airlines
Deal found 9/15$613

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Oslo 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 September 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oslo that are best for you.

Fly from

O'Hare Intl

Fly to

Oslo

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/9

7:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Wed 3/18

1:10 pm-6:20 pm

1 stop11h 10m

$420

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 11/6

7:05 am-9:20 am

2 stops19h 15m

Oslo Gardermoen

Wed 11/12

11:05 am-4:45 pm

1 stop12h 40m

$453

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 3/14

8:20 pm-1:10 pm

1 stop10h 50m

Oslo Gardermoen

Mon 3/16

12:10 pm-5:45 pm

1 stop11h 35m

$465

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 2/8

7:30 am-11:15 am

2 stops20h 45m

Oslo Gardermoen

Mon 2/16

10:00 am-4:45 pm

1 stop13h 45m

$471

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/10

1:30 pm-9:20 am

2 stops13h 50m

Oslo Gardermoen

Wed 3/18

12:10 pm-5:45 pm

1 stop11h 35m

$485

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 10/18

10:40 am-12:15 pm

2 stops18h 35m

Oslo Gardermoen

Mon 11/3

1:00 pm-4:20 pm

1 stop34h 20m

$490

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 10/25

10:25 am-10:20 am

2 stops16h 55m

Oslo Gardermoen

Mon 11/3

8:00 am-4:45 pm

1 stop15h 45m

$491

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 2/8

4:33 pm-4:35 pm

2 stops17h 02m

Oslo Gardermoen

Mon 2/16

8:50 pm-1:50 pm

2 stops24h 00m

$494

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 2/7

7:20 pm-1:10 pm

1 stop10h 50m

Oslo Gardermoen

Sun 2/8

9:05 pm-4:45 pm

1 stop26h 40m

$494

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 3/11

7:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sun 3/15

1:05 pm-6:20 pm

1 stop11h 15m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from O'Hare Intl to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from O'Hare Intl 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 O'Hare Intl Airport to Oslo

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Oslo?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Oslo. Price data was last updated on September 12, 2025.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Oslo?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $567). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $1,006). 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 ORD to OSL?

Find hourly flight availability from O'Hare Intl to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Oslo in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Oslo?

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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. Reviews last updated September 17, 2025.
See what other customers who have flown with KLM, Scandinavian Airlines, and United Airlines from Chicago O'Hare Intl Airport to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Scandinavian Airlines
7.4
Good
1,486 reviews
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,926 reviews
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Icelandair
7.0
Good
545 reviews
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,367 reviews
KLM
7.8
Good
1,386 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Oslo. 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 Chicago O'Hare Intl Airport to Oslo?

    For as low as $420, Icelandair can have you in Oslo from Chicago O'Hare Intl Airport in 10h 05m. Chicago O'Hare Intl Airport and Oslo are separated by a distance of 4039 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Oslo round-trip?

    According to our current data, Icelandair ($409), Scandinavian Airlines ($432), and Lufthansa ($494) offers the cheapest pricing from Chicago O'Hare Intl Airport to Oslo. Users have found that Icelandair is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from O'Hare Intl to Oslo that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Oslo?

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

  • Can I find deals for business class flights from O'Hare Intl to Oslo?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Oslo 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 O'Hare Intl Airport to Oslo?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $567). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $1,006). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from O'Hare Intl to Oslo

Discover the top 10 airlines that operate flights from O'Hare Intl to Oslo. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$409Average$606FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$432Average$799FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$494Average$645FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$530Average$683FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$532Average$570FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$532Average$645FlexibilityNo cancel feeOn-time69%
KLMCheapest$550Average$751FlexibilityNo cancel feeOn-time75%
FinnairCheapest$555Average$677FlexibilityNo cancel feeOn-time76%
DeltaCheapest$562Average$802FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$605Average$634FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.