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$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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Find cheap flights from O'Hare Intl to Oslo with Cheapflights

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Oslo are usually found in March or February, booked 42 days in advance, depart on a Tuesday or Sunday and return on a Thursday

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 December 23, 2025.

This Delta deal was found by Cheapflights users on 12/22. 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.
Wed 12/314:25 pmORD - OSL
1 stop18h 50mDelta
Thu 1/812:40 pmOSL - ORD
1 stop32h 40mDelta
Deal found 12/22$546
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmORD - OSL
1 stop13h 40mLufthansa
Wed 1/76:25 pmOSL - ORD
2 stops23h 35mLufthansa
Deal found 12/22$595
This Delta deal was found by Cheapflights users on 12/22. 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.
Sun 12/284:25 pmORD - OSL
1 stop33h 15mDelta
Thu 1/812:40 pmOSL - ORD
1 stop32h 40mDelta
Deal found 12/22$621
This Delta deal was found by Cheapflights users on 12/22. 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.
Tue 12/307:00 amORD - OSL
2 stops21h 50mDelta
Thu 1/812:40 pmOSL - ORD
1 stop32h 40mDelta
Deal found 12/22$626
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:50 pmORD - OSL
2 stops35h 20mSWISS
Thu 1/81:00 pmOSL - ORD
2 stops32h 10mSWISS
Deal found 12/22$638
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 pmORD - OSL
1 stop12h 50mLufthansa
Wed 1/76:25 pmOSL - ORD
2 stops23h 35mLufthansa
Deal found 12/22$677
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - OSL
2 stops18h 55mLufthansa
Thu 1/81:45 pmOSL - ORD
2 stops31h 25mLufthansa
Deal found 12/22$681
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:21 pmORD - OSL
2 stops16h 19mUnited Airlines
Wed 1/79:45 amOSL - ORD
2 stops32h 15mUnited Airlines
Deal found 12/22$686
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:35 pmORD - OSL
1 stop17h 55mLufthansa
Thu 1/81:45 pmOSL - ORD
2 stops31h 25mLufthansa
Deal found 12/22$743
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:50 pmORD - OSL
2 stops27h 50mLufthansa
Thu 1/81:45 pmOSL - ORD
2 stops31h 25mLufthansa
Deal found 12/22$771
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 pmORD - TRF
1 stop14h 45mScandinavian Airlines
Thu 1/82:35 pmTRF - ORD
1 stop33h 10mScandinavian Airlines
Deal found 12/22$922
This oojo deal was found by Cheapflights users on 12/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:20 pmORD - TRF
1 stop11h 25mScandinavian Airlines
Sun 12/281:30 pmTRF - ORD
1 stop34h 15mScandinavian Airlines
Deal found 12/22$1,151

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 December 23, 2025.

Round-trip from

$364
(Ticket)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$782
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 ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 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

Wed 1/21

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sun 1/25

9:30 pm-5:20 pm

1 stop26h 50m

$394

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/17

7:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sun 3/22

9:30 pm-6:20 pm

1 stop26h 50m

$422

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 2/5

7:20 pm-1:10 pm

1 stop10h 50m

Oslo Gardermoen

Thu 2/12

9:00 am-4:45 pm

1 stop14h 45m

$452

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 1/30

7:10 pm-8:20 pm

1 stop18h 10m

Oslo Gardermoen

Tue 2/3

1:30 pm-4:45 pm

1 stop34h 15m

$495

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Thu 1/29

7:10 pm-2:05 pm

1 stop11h 55m

Oslo Sandefjord

Thu 2/5

2:35 pm-4:45 pm

1 stop33h 10m

$503

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 3/11

10:40 am-1:50 pm

2 stops21h 10m

Oslo Gardermoen

Tue 3/17

12:40 pm-3:20 pm

1 stop32h 40m

$508

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 2/6

1:57 pm-1:50 pm

2 stops16h 53m

Oslo Gardermoen

Wed 2/11

9:25 am-2:20 pm

1 stop11h 55m

$508

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 2/23

2:05 pm-1:50 pm

2 stops16h 45m

Oslo Gardermoen

Fri 2/27

9:25 am-2:20 pm

1 stop11h 55m

$508

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 3/11

10:40 am-1:50 pm

2 stops21h 10m

Oslo Gardermoen

Wed 3/18

6:30 am-3:20 pm

1 stop14h 50m

$508

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/16

5:40 pm-1:50 pm

2 stops14h 10m

Oslo Gardermoen

Thu 3/19

12:40 pm-3:20 pm

1 stop32h 40m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 39 results
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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 December 19, 2025.

Booking 42 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, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $378). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $621). 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 December 23, 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 13% 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?

How often are flights from Chicago to Oslo delayed?

About 40% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 244 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?

Tuesday 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 50% of flights being delayed.

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 December 23, 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
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Scandinavian Airlines
7.4
Good
1,620 reviews
KLM
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,107 reviews
KLM
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
592 reviews
KLM
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,607 reviews
KLM
7.7
Good
1,434 reviews

Entertainment

7.1

Crew

8.3

Overall

7.7

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 $394, 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 ($388), Icelandair ($410), and Lufthansa ($494) offers the cheapest pricing from Chicago O'Hare Intl Airport to Oslo. Users have found that Scandinavian Airlines is 38% 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 $247 on Icelandair. Other airlines that offer cheap prices include SWISS from $361 and Lufthansa from $387 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, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo (average of $378). Flying from Chicago O'Hare Intl Airport to Oslo in June is currently the most expensive (average of $621). 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$388Average$782FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$416Average$601FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$494Average$614FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$612FlexibilityNo cancel feeOn-time71%
SWISSCheapest$513Average$634FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$530Average$686FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$532Average$642FlexibilityNo cancel feeOn-time69%
DeltaCheapest$544Average$779FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$544Average$757FlexibilityNo cancel feeOn-time75%
FinnairCheapest$555Average$615FlexibilityNo cancel feeOn-time76%

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