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Oslo

$236+ Cheap flights from Illinois 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Illinois to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 18, 2024.

Round-trip from

$362
(Ticket)

One-way from

$236
(oojo)
From Illinois to Oslo
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One-way flight from Illinois to Oslo
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Find flight deals from Illinois to Oslo

Cheapest flights from Illinois to Oslo
Explore the most affordable flight options available from Illinois to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:10 pmORD - OSL
1 stop13h 15mScandinavian Airlines
Fri 1/106:00 amOSL - ORD
1 stop16h 50mScandinavian Airlines
Deal found 12/17$840
This SWISS deal was found by Cheapflights users on 12/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:55 pmORD - OSL
2 stops41h 05mSWISS
Fri 1/107:05 pmOSL - ORD
2 stops49h 35mSWISS
Deal found 12/17$856
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/189:10 pmORD - OSL
2 stops19h 35mUnited Airlines
Wed 12/2511:50 amOSL - ORD
1 stop13h 35mUnited Airlines
Deal found 12/17$860
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:55 pmORD - OSL
2 stops14h 25mLufthansa
Mon 12/306:20 amOSL - ORD
1 stop15h 55mLufthansa
Deal found 12/16$930
This Ticket deal was found by Cheapflights users on 12/18. 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.
Fri 12/204:25 pmORD - OSL
1 stop33h 10mKLM
Thu 12/264:30 pmOSL - ORD
1 stop29h 00mKLM
Deal found 12/18$950
This Delta deal was found by Cheapflights users on 12/18. 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.
Fri 12/204:25 pmORD - OSL
1 stop12h 30mDelta
Thu 12/266:20 amOSL - ORD
1 stop15h 45mDelta
Deal found 12/18$980
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:10 pmORD - TRF
1 stop10h 35mMultiple Airlines
Fri 1/101:00 pmTRF - ORD
1 stop33h 50mMultiple Airlines
Deal found 12/17$996
This Trip.com deal was found by Cheapflights users on 12/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/193:55 pmORD - OSL
1 stop13h 50mMultiple Airlines
Thu 12/261:00 pmOSL - ORD
1 stop34h 15mMultiple Airlines
Deal found 12/18$1,030
This StudentUniverse deal was found by Cheapflights users on 12/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:15 amORD - TRF
2 stops21h 10mScandinavian Airlines
Fri 1/101:00 pmTRF - ORD
1 stop33h 50mScandinavian Airlines
Deal found 12/17$1,179
This Flysmarter deal was found by Cheapflights users on 12/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/225:55 pmORD - OSL
2 stops14h 25mAir Canada
Fri 12/271:35 pmOSL - ORD
2 stops16h 50mAir Canada
Deal found 12/18$1,360
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/185:50 pmMDW - OSL
2 stops15h 35mDelta
Wed 12/256:30 amOSL - MDW
2 stops17h 41mDelta
Deal found 12/17$1,444
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Fri 12/203:50 pmSTL - OSL
3 stops22h 50mMultiple Airlines
Mon 1/137:00 amOSL - STL
3 stops38h 43mMultiple Airlines
Deal found 12/17$1,805

Find flights from Illinois to Oslo within your budget

Customize your flight search to find flights from Illinois 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 18, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 1/17

8:20 pm-5:55 pm

1 stop14h 35m

Oslo Gardermoen

Sat 1/25

6:45 pm-3:30 pm

1 stop27h 45m

$362

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 1/21

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sun 1/26

9:30 pm-5:20 pm

1 stop26h 50m

$420

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 2/2

7:40 pm-1:05 pm

1 stop10h 25m

Oslo Gardermoen

Sun 2/9

9:00 pm-5:50 pm

1 stop27h 50m

$427

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Fri 1/17

6:45 am-1:15 pm

1 stop23h 30m

Oslo Gardermoen

Sat 1/25

4:05 pm-3:13 pm

1 stop30h 08m

$465

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 2/1

9:25 pm-11:30 pm

1 stop19h 05m

Oslo Gardermoen

Sat 2/8

6:50 pm-4:15 pm

1 stop28h 25m

$494

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 1/21

5:20 pm-2:15 pm

2 stops13h 55m

Oslo Gardermoen

Sun 1/26

11:25 am-6:45 pm

1 stop14h 20m

$519

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 1/17

4:00 pm-3:30 pm

2 stops16h 30m

Oslo Gardermoen

Tue 1/21

6:10 am-7:55 pm

2 stops20h 45m

$521

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/25

10:45 pm-6:10 pm

1 stop13h 25m

Oslo Gardermoen

Thu 4/3

8:35 am-5:25 pm

1 stop15h 50m

$524

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 2/16

8:30 pm-5:15 pm

1 stop37h 45m

Oslo Gardermoen

Tue 2/25

12:00 pm-10:10 am

1 stop29h 10m

$527

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Fri 1/31

2:08 pm-11:55 am

2 stops14h 47m

Oslo Gardermoen

Fri 2/7

9:20 am-6:11 pm

2 stops15h 51m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 45 results
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Best time to book a flight from Illinois to Oslo

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

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

What is the cheapest month to book a flight from Illinois to Oslo?

Currently, November is the cheapest month in which you can book a flight from Illinois to Oslo (average of $567). Flying from Illinois to Oslo in June is currently the most expensive (average of $1,182). 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 IL to OSL?

Find hourly flight availability from Illinois 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 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Oslo as you normally would.

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 December 18, 2024.
To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about Scandinavian Airlines, KLM and SWISS. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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 Illinois 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 to fly from Illinois to Oslo one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $236. TAP AIR PORTUGAL flights start at $356 while deals on United Airlines start at $421 one-way.

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

    When deciding which route to take from Illinois 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.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Oslo?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Oslo (average of $567). Flying from Illinois to Oslo in June is currently the most expensive (average of $1,182). 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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Alternative routes for Illinois to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Oslo Gardermoen flights
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John F Kennedy Intl to Bergen flights
Seattle to Tromsø flights
San Francisco to Sandefjord flights
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San Diego to Oslo Gardermoen flights
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Oakland to Oslo Gardermoen flights

Top 10 airlines flying from Illinois to Oslo

Discover the top 10 airlines that operate flights from Illinois 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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$433Average$725FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$443Average$732FlexibilityNo cancel feeOn-time77%
FinnairCheapest$454Average$595FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$512Average$685FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$516Average$674FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$534Average$996FlexibilityNo cancel feeOn-time76%
KLMCheapest$550Average$823FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$550Average$655FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$567Average$1,043FlexibilityNo cancel feeOn-time77%
DeltaCheapest$582Average$752FlexibilityNo cancel feeOn-timeN/A
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