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$274+ Cheap flights from Chicago (CHI) 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Chicago to Oslo are usually found in February or November, booked 47 days in advance, depart on a Sunday or Wednesday and return on a Thursday

Cheap flight deals from Chicago to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 January 21, 2025.

Round-trip from

$412
(CrystalTravel)

One-way from

$279
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$550
From Chicago (CHI) to Oslo
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One-way flight from Chicago (CHI) to Oslo
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Highest demand for flights based on searches. 26% potential increase in price ($224 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Chicago to Oslo

Cheapest flights from Chicago to Oslo
Explore the most affordable flight options available from Chicago to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/166:30 pmORD - OSL
1 stop10h 05mIcelandair
Fri 2/211:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 1/20$412
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:30 pmORD - OSL
1 stop10h 25mScandinavian Airlines
Thu 11/139:00 amOSL - ORD
1 stop14h 45mScandinavian Airlines
Deal found 1/20$492
This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:05 pmORD - OSL
2 stops18h 15mAir Canada
Mon 3/109:45 amOSL - ORD
2 stops15h 52mAir Canada
Deal found 1/20$504
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Sun 3/28:25 pmORD - OSL
1 stop14h 30mTAP AIR PORTUGAL
Thu 3/136:45 pmOSL - ORD
1 stop27h 45mTAP AIR PORTUGAL
Deal found 1/20$506
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/109:45 pmORD - OSL
1 stop13h 50mBritish Airways
Fri 2/2811:40 amOSL - ORD
1 stop14h 05mBritish Airways
Deal found 1/21$510
This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:25 pmORD - OSL
1 stop14h 45mFinnair
Tue 3/1111:40 amOSL - ORD
1 stop14h 05mFinnair
Deal found 1/19$512
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:15 amORD - OSL
2 stops23h 20mMultiple Airlines
Tue 3/111:10 pmOSL - ORD
2 stops24h 34mMultiple Airlines
Deal found 1/20$521
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/229:25 pmORD - OSL
1 stop19h 05mLufthansa
Wed 1/296:20 amOSL - ORD
1 stop14h 05mLufthansa
Deal found 1/21$541
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/245:25 pmORD - OSL
1 stop18h 55mDelta
Mon 3/3111:50 amOSL - ORD
1 stop33h 20mDelta
Deal found 1/20$549
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/226:35 pmORD - OSL
1 stop21h 05mAmerican Airlines
Sun 1/267:15 amOSL - ORD
1 stop16h 45mAmerican Airlines
Deal found 1/20$550
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.
Mon 3/106:42 pmMDW - OSL
2 stops15h 43mDelta
Tue 3/259:20 amOSL - MDW
2 stops19h 03mDelta
Deal found 1/21$551
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1810:57 amMDW - OSL
2 stops14h 38mKLM
Wed 3/59:20 amOSL - MDW
2 stops15h 23mKLM
Deal found 1/21$557

Find flights from Chicago to Oslo within your budget

Customize your flight search to find flights from Chicago 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 2/16

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Fri 2/21

1:10 pm-5:20 pm

1 stop11h 10m

$412

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/3

2:05 pm-3:20 pm

2 stops18h 15m

Oslo Gardermoen

Mon 3/10

9:45 am-7:37 pm

2 stops15h 52m

$504

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 2/10

9:45 pm-6:35 pm

1 stop13h 50m

Oslo Gardermoen

Fri 2/28

7:15 am-1:55 pm

1 stop13h 40m

$506

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/4

8:25 pm-6:10 pm

1 stop14h 45m

Oslo Gardermoen

Tue 3/11

11:40 am-7:45 pm

1 stop14h 05m

$512

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 3/2

8:25 pm-5:55 pm

1 stop14h 30m

Oslo Gardermoen

Thu 3/13

6:45 pm-4:30 pm

1 stop27h 45m

$514

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/4

5:15 am-11:35 am

2 stops23h 20m

Oslo Gardermoen

Tue 3/11

1:10 pm-7:44 am

2 stops24h 34m

$521

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/24

5:25 pm-11:55 am

1 stop12h 30m

Oslo Gardermoen

Tue 4/1

6:30 am-2:10 pm

1 stop14h 40m

$549

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Mon 3/10

6:42 pm-4:25 pm

2 stops15h 43m

Oslo Gardermoen

Tue 3/25

9:20 am-10:23 pm

2 stops19h 03m

$551

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 2/13

9:25 pm-11:30 pm

1 stop19h 05m

Oslo Gardermoen

Tue 2/25

6:10 am-2:45 pm

2 stops15h 35m

$558

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 3/29

12:55 pm-12:35 pm

1 stop17h 40m

Oslo Gardermoen

Tue 4/1

2:35 pm-9:50 am

1 stop26h 15m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 36 results
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Best time to book a flight from Chicago to Oslo

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

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

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

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

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago 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 to Oslo?

Currently, November is the cheapest month in which you can book a flight from Chicago to Oslo (average of $567). Flying from Chicago to Oslo in June is currently the most expensive (average of $1,169). 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 CHI to OSL?

Find hourly flight availability from Chicago 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 January 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to Oslo at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Chicago to Oslo?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Oslo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Oslo flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Oslo by month

Plan your trip to Oslo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

Plan your trip to Oslo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 January 21, 2025.
Read reviews from past customers who have flown British Airways, American Airlines and Delta from Chicago to Oslo. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Overall

8.0

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Oslo. 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 Chicago to Oslo round-trip?

    Icelandair, at $412, was found to be the cheapest airline from Chicago to Oslo.Alternate airlines to your destination round-trip include Air Canada and TAP AIR PORTUGAL. You may be able to fly from Chicago to Oslo for 35% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $309. Users have also found prices from $361 and $393 on TAP AIR PORTUGAL and Lufthansa, respectively.

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

    When deciding which route to take from Chicago to Oslo consider Chicago O'Hare Intl - Oslo Gardermoen, Chicago Midway - Oslo Gardermoen or Chicago O'Hare Intl - Oslo Sandefjord as they are the most popular.

  • Where are the most common layover locations when flying from Chicago to Oslo?

    Chicago to Oslo flights have a layover in Reykjavik most often.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Reykjavik travelers tend to visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool more than anywhere else. Travelers on a layover in Reykjavik can visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool, by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively after landing at Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $51 per day.

  • Where are the least popular layover locations for Chicago to Oslo flights?

    Chicago to Oslo flights have a layover in Copenhagen the least frequently.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 to Oslo?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Oslo (average of $567). Flying from Chicago to Oslo in June is currently the most expensive (average of $1,169). 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 Chicago to Oslo

Discover the top 10 airlines that operate flights from Chicago 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$428Average$699FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$433Average$725FlexibilityNo cancel feeOn-time77%
FinnairCheapest$454Average$629FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$674FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$516Average$614FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$533Average$926FlexibilityNo cancel feeOn-time76%
KLMCheapest$550Average$726FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$550Average$655FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$567Average$820FlexibilityNo cancel feeOn-time77%
DeltaCheapest$582Average$752FlexibilityNo cancel feeOn-timeN/A
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