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$186+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Oslo are usually found in February or March, booked 55 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 June 26, 2025.

Round-trip from

$506
(United Airlines)

One-way from

$186
(Justfly.com)

Popular in

June

Cheapest in

February

Average price

$846
From Chicago O'Hare Intl to Oslo
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One-way flight from Chicago O'Hare Intl to Oslo
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Highest demand for flights based on searches. 14% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 26, 2025.

This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:00 pmORD - OSL
2 stops17h 15mMultiple Airlines
Wed 8/208:30 pmOSL - ORD
2 stops26h 25mMultiple Airlines
Deal found 6/25$504
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 8/187:04 amORD - OSL
2 stops28h 01mUnited Airlines
Mon 8/2511:35 amOSL - ORD
2 stops27h 11mUnited Airlines
Deal found 6/25$506
This British Airways deal was found by Cheapflights users on 6/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:55 pmORD - OSL
1 stop23h 35mBritish Airways
Tue 10/2111:15 amOSL - ORD
1 stop14h 00mBritish Airways
Deal found 6/25$507
This Ticket deal was found by Cheapflights users on 6/25. 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 8/187:15 pmORD - OSL
1 stop17h 00mScandinavian Airlines
Wed 9/39:00 amOSL - ORD
2 stops19h 56mScandinavian Airlines
Deal found 6/25$511
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 8/125:40 pmORD - OSL
1 stop22h 45mAmerican Airlines
Wed 8/201:20 pmOSL - ORD
2 stops17h 23mAmerican Airlines
Deal found 6/25$516
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:25 pmORD - OSL
1 stop13h 00mIcelandair
Thu 7/244:30 pmOSL - ORD
1 stop11h 45mIcelandair
Deal found 6/25$523
This Finnair deal was found by Cheapflights users on 6/25. 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.
Fri 8/159:30 pmORD - OSL
1 stop12h 05mFinnair
Sun 8/248:45 pmOSL - ORD
2 stops24h 05mFinnair
Deal found 6/25$536
This Air Canada deal was found by Cheapflights users on 6/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:40 amORD - OSL
2 stops18h 35mAir Canada
Tue 10/217:15 amOSL - ORD
2 stops31h 46mAir Canada
Deal found 6/25$549
This Scandinavian Airlines deal was found by Cheapflights users on 6/24. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:20 pmORD - TRF
1 stop11h 45mScandinavian Airlines
Sun 12/72:35 pmTRF - ORD
1 stop33h 10mScandinavian Airlines
Deal found 6/24$552
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 7/264:20 pmORD - OSL
1 stop17h 00mDelta
Tue 8/266:05 amOSL - ORD
1 stop15h 55mDelta
Deal found 6/24$569
This Austrian Airlines deal was found by Cheapflights users on 6/25. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:55 pmORD - OSL
2 stops18h 15mAustrian Airlines
Sun 10/192:55 pmOSL - ORD
1 stop29h 25mAustrian Airlines
Deal found 6/25$580
This Air France deal was found by Cheapflights users on 6/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:20 pmORD - OSL
1 stop11h 45mKLM
Mon 8/189:25 amOSL - ORD
2 stops15h 12mKLM
Deal found 6/24$596

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 June 26, 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

Tue 8/12

4:00 pm-4:15 pm

2 stops17h 15m

Oslo Gardermoen

Wed 8/20

8:30 pm-3:55 pm

2 stops26h 25m

$504

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/18

7:04 am-6:05 pm

2 stops28h 01m

Oslo Gardermoen

Mon 8/25

11:35 am-7:46 am

2 stops27h 11m

$506

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/18

7:15 pm-7:15 pm

1 stop17h 00m

Oslo Gardermoen

Wed 9/3

9:00 am-9:56 pm

2 stops19h 56m

$511

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/18

4:55 pm-6:40 pm

1 stop18h 45m

Oslo Gardermoen

Wed 9/3

7:40 am-6:50 pm

2 stops18h 10m

$512

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 8/12

5:40 pm-11:25 pm

1 stop22h 45m

Oslo Gardermoen

Wed 8/20

1:20 pm-11:43 pm

2 stops17h 23m

$516

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 7/15

7:25 pm-3:25 pm

1 stop13h 00m

Oslo Gardermoen

Thu 7/24

4:30 pm-9:15 pm

1 stop11h 45m

$523

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 8/15

9:30 pm-4:35 pm

1 stop12h 05m

Oslo Gardermoen

Sun 8/24

8:45 pm-1:50 pm

2 stops24h 05m

$536

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 9/16

9:55 am-1:05 pm

2 stops20h 10m

Oslo Gardermoen

Tue 9/23

6:45 am-2:55 pm

2 stops15h 10m

$558

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 7/26

4:20 pm-4:20 pm

1 stop17h 00m

Oslo Gardermoen

Tue 8/26

6:05 am-3:00 pm

1 stop15h 55m

$569

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/7

4:20 pm-11:05 am

1 stop11h 45m

Oslo Gardermoen

Mon 8/18

9:25 am-5:37 pm

2 stops15h 12m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 27 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 June 20, 2025.

Booking 55 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 $1,016). 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 June 26, 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.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Oslo?

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

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Oslo flight should consider departing on Monday mornings 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 June 26, 2025.
See what other customers who have flown with Delta, KLM, and Austrian 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.
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,298 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,647 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, United Airlines ($506), Icelandair ($548), and Air Canada ($552) offers the cheapest pricing from Chicago O'Hare Intl Airport to Oslo. Users have found that United Airlines is 20% 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 $186 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $258 and SWISS from $341 one-way.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Oslo?

    Chicago O'Hare Intl Airport 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?

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers in need of a car in Reykjavik can rent one for about $74 per day.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to Oslo flights?

    Chicago O'Hare Intl Airport to Oslo flights have a layover in Copenhagen the least frequently.

  • 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 $1,016). 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 9 airlines flying from O'Hare Intl to Oslo

Discover the top 9 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$400Average$610FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$444Average$781FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$516Average$722FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$534Average$653FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$540Average$679FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$549Average$647FlexibilityNo cancel feeOn-time69%
KLMCheapest$550Average$750FlexibilityNo cancel feeOn-time75%
FinnairCheapest$552Average$678FlexibilityNo cancel feeOn-time76%
DeltaCheapest$582Average$663FlexibilityNo cancel feeOn-timeN/A

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