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Oslo

$348+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
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 November 21, 2024.

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 November 21, 2024.

This Orbitz deal was found by Cheapflights users on 11/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/611:45 amORD - OSL
2 stops15h 50mBritish Airways
Thu 12/1211:40 amOSL - ORD
1 stop14h 05mBritish Airways
Deal found 11/20$522
This British Airways deal was found by Cheapflights users on 11/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/64:45 pmORD - OSL
1 stop18h 35mMultiple Airlines
Thu 12/1211:40 amOSL - ORD
1 stop14h 05mMultiple Airlines
Deal found 11/20$529
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2710:35 pmORD - OSL
1 stop12h 00mLufthansa
Sun 12/81:45 pmOSL - ORD
1 stop13h 20mLufthansa
Deal found 11/20$532
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/64:25 pmORD - OSL
1 stop13h 15mKLM
Thu 12/126:55 pmOSL - ORD
1 stop26h 35mKLM
Deal found 11/19$539
This United deal was found by Cheapflights users on 11/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2710:35 pmORD - OSL
1 stop12h 00mUnited Airlines
Sun 12/86:20 amOSL - ORD
2 stops19h 25mUnited Airlines
Deal found 11/20$542
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/69:30 amMDW - OSL
2 stops19h 25mDelta
Thu 12/126:30 amOSL - MDW
2 stops19h 02mDelta
Deal found 11/20$554
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:35 amORD - OSL
2 stops18h 10mAir Canada
Sun 12/81:45 pmOSL - ORD
2 stops26h 12mAir Canada
Deal found 11/19$589
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:10 pmORD - OSL
1 stop30h 10mScandinavian Airlines
Tue 12/108:00 amOSL - ORD
2 stops20h 43mScandinavian Airlines
Deal found 11/20$685
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:10 pmORD - TRF
1 stop10h 15mScandinavian Airlines
Sun 12/87:00 pmTRF - ORD
1 stop27h 50mScandinavian Airlines
Deal found 11/20$727
This Aeromexico deal was found by Cheapflights users on 11/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:50 pmMDW - OSL
2 stops15h 35mAir France
Wed 12/183:15 pmOSL - MDW
2 stops32h 09mAir France
Deal found 11/19$884
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/165:45 amSTL - OSL
2 stops29h 50mBritish Airways
Mon 12/2311:30 amOSL - STL
2 stops59h 10mBritish Airways
Deal found 11/20$955
This Gurufare deal was found by Cheapflights users on 11/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/221:09 pmSTL - OSL
2 stops16h 01mScandinavian Airlines
Thu 11/289:00 pmOSL - STL
2 stops33h 41mScandinavian Airlines
Deal found 11/20$995

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 2,629,791 searches. Data last updated November 21, 2024.

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Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 2/7

7:10 pm-10:10 pm

1 stop20h 00m

Oslo Gardermoen

Mon 2/17

9:15 am-3:50 pm

1 stop13h 35m

$436

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Mon 2/10

10:40 am-12:35 pm

2 stops18h 55m

Oslo Sandefjord

Sun 2/16

6:55 pm-3:50 pm

1 stop27h 55m

$481

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 5/14

10:15 pm-12:35 pm

1 stop31h 20m

Oslo Gardermoen

Wed 5/21

1:50 pm-9:15 pm

1 stop14h 25m

$493

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 3/23

11:05 pm-10:55 am

1 stop29h 50m

Oslo Gardermoen

Sun 3/30

8:45 pm-5:25 pm

1 stop27h 40m

$500

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 4/1

7:15 pm-5:20 pm

1 stop15h 05m

Oslo Gardermoen

Tue 4/8

11:00 am-7:32 pm

2 stops15h 32m

$507

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 1/12

1:15 pm-11:00 am

2 stops14h 45m

Oslo Gardermoen

Mon 1/27

6:20 am-2:45 pm

2 stops15h 25m

$522

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 1/16

9:25 pm-5:55 pm

1 stop13h 30m

Oslo Gardermoen

Sun 1/26

6:20 am-7:55 pm

2 stops20h 35m

$533

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 12/6

4:25 pm-12:40 pm

1 stop13h 15m

Oslo Gardermoen

Thu 12/12

6:55 pm-2:30 pm

1 stop26h 35m

$539

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Wed 2/26

12:44 pm-1:50 pm

2 stops18h 06m

Oslo Gardermoen

Sat 3/8

9:20 am-5:47 pm

2 stops15h 27m

$544

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 2/7

2:35 pm-1:50 pm

2 stops16h 15m

Oslo Gardermoen

Sat 2/15

6:30 am-8:53 pm

2 stops21h 23m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 49 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 $564). Flying from Illinois to Oslo in June is currently the most expensive (average of $1,175). 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 November 21, 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 November 21, 2024.
To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about Scandinavian Airlines, British Airways and Air Canada. 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
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,637 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
1,525 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $348. Delta flights start at $395 while deals on Finnair start at $401 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 $564). Flying from Illinois to Oslo in June is currently the most expensive (average of $1,175). 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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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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$424Average$746FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$441Average$695FlexibilityNo cancel feeOn-time77%
FinnairCheapest$454Average$568FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$512Average$688FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$537Average$996FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$538Average$631FlexibilityNo cancel feeOn-time71%
KLMCheapest$550Average$970FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$557Average$629FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$567Average$1,043FlexibilityNo cancel feeOn-time77%
DeltaCheapest$582Average$745FlexibilityNo cancel feeOn-timeN/A
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