HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo

$226+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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.

Cheap 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 August 1, 2026.

This eDestinos deal was found by Cheapflights users on 7/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Thu 12/101:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/29$482
This Sembo deal was found by Cheapflights users on 7/30. 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.
Fri 8/2110:25 pm
ORD
-
OSL
1 stop10h 00m
Icelandair
Thu 9/34:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Deal found 7/30$498
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Fri 11/136:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Mon 11/231:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/30$502
This oojo deal was found by Cheapflights users on 7/30. 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 12/36:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Mon 12/71:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/30$510
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Thu 12/101:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/28$513
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Sat 11/71:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/28$515
This Sembo deal was found by Cheapflights users on 7/27. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:25 pm
ORD
-
OSL
1 stop13h 00m
Icelandair
Sat 10/34:30 pm
OSL
-
ORD
1 stop32h 45m
Icelandair
Deal found 7/27$527
This Icelandair deal was found by Cheapflights users on 7/31. 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.
Sun 12/66:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Thu 12/101:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/31$541
This deal was found by Cheapflights users on 7/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Fri 11/61:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/30$549
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 pm
ORD
-
OSL
1 stop12h 55m
Icelandair
Sun 11/11:10 pm
OSL
-
ORD
1 stop11h 10m
Icelandair
Deal found 7/27$550
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 pm
ORD
-
TRF
1 stop22h 10m
Scandinavian Airlines
Mon 10/196:00 am
TRF
-
ORD
1 stop17h 10m
Scandinavian Airlines
Deal found 7/31$635
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:15 pm
ORD
-
TRF
1 stop22h 10m
Scandinavian Airlines
Tue 10/206:00 am
TRF
-
ORD
1 stop17h 10m
Scandinavian Airlines
Deal found 7/28$636

Find 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 August 1, 2026.

Round-trip from

$482
(eDestinos)

One-way from

$226
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$573
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. 23% potential increase in price ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 12/6

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Thu 12/10

1:10 pm-5:20 pm

1 stop11h 10m

$541

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Tue 1/12

10:30 am-2:05 pm

2 stops20h 35m

Oslo Sandefjord

Fri 1/22

2:35 pm-4:45 pm

1 stop33h 10m

$690

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 12/6

10:35 am-11:15 am

2 stops17h 40m

Oslo Gardermoen

Thu 12/10

9:00 am-4:45 pm

1 stop14h 45m

$692

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 9/7

7:15 pm-9:15 am

1 stop31h 00m

Oslo Gardermoen

Sun 11/15

8:50 am-10:36 pm

2 stops20h 46m

$697

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/27

7:25 pm-3:25 pm

1 stop13h 00m

Oslo Gardermoen

Mon 9/7

4:30 pm-6:15 pm

1 stop32h 45m

$700

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 9/14

10:30 am-9:15 am

2 stops15h 45m

Oslo Gardermoen

Mon 9/21

11:00 am-4:10 pm

1 stop12h 10m

$717

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Mon 9/7

7:15 pm-2:30 pm

1 stop12h 15m

Oslo Sandefjord

Sun 11/15

2:35 pm-4:45 pm

1 stop33h 10m

$751

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 8/11

12:29 pm-11:50 am

2 stops16h 21m

Oslo Gardermoen

Wed 8/26

9:20 am-8:55 pm

2 stops18h 35m

$752

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 8/12

5:20 pm-4:20 pm

2 stops16h 00m

Oslo Gardermoen

Thu 8/20

6:30 am-6:29 pm

2 stops18h 59m

$752

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Thu 8/27

10:30 am-2:30 pm

2 stops21h 00m

Oslo Sandefjord

Tue 9/29

6:00 am-9:37 pm

2 stops22h 37m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 36 resultsSorted by cheapest first
1
2
3
4

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

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

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $418). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $976). 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 Chicago O'Hare Intl Airport to Oslo?

Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Oslo flights typically cost between $538 and $821 in December.
The cheapest round-trip price found within the last 5 days was $482 on Icelandair (Dec 2-Dec 10).

How often are flights from Chicago to Oslo delayed?

About 50% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 256 minutes.

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

Historically, flights departing in the morning 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?

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

Which airline has the best punctuality record on Chicago to Oslo flights?

Over the last year, Atlas Air have had the lowest number of delays on this route, with just 55% of flights being delayed.

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

Booking 56 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.

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 August 1, 2026.
See what other customers who have flown with Scandinavian Airlines,United Airlines, andAmerican 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.
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
Scandinavian Airlines
7.4
Good
1,910 reviews
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
United Airlines
7.4
Good
10,063 reviews
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
American Airlines
7.1
Good
11,849 reviews
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
Icelandair
7.0
Good
716 reviews
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
Lufthansa
6.8
Okay
8,167 reviews
Scandinavian Airlines
7.4
Good
1,910 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Food

6.8

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.

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 $541, 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, Scandinavian Airlines ($387), Icelandair ($394), and American Airlines ($505) offers the cheapest pricing from Chicago O'Hare Intl Airport to Oslo. Users have found that Scandinavian Airlines is 37% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Oslo one-way?

    One-way options have recently been found by users for as low as $157 on KLM. Other airlines that offer cheap prices include Icelandair from $228 and TAP AIR PORTUGAL from $252 one-way.

  • 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $418). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $976). 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.

Alternative routes for O'Hare Intl to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bergen flights
O'Hare Intl to Tromsø flights

Top 7 airlines flying from O'Hare Intl to Oslo

Discover the top 7 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$387Average$696FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$394Average$704FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$572FlexibilityNo cancel feeOn-time71%
DeltaCheapest$510Average$728FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$516Average$774FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$524Average$653FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$527Average$619FlexibilityNo cancel feeOn-time69%

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.