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Oslo Gardermoen

$256+ Cheap flights from Illinois to Oslo Gardermoen (OSL)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Illinois to Oslo Gardermoen

Keep the following information in mind while searching for Illinois to Oslo Gardermoen flight deals. Data was last updated julio 31, 2025.

Round-trip from

$432
(Icelandair)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$731
From Illinois to Oslo Gardermoen
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One-way flight from Illinois to Oslo Gardermoen
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Highest demand for flights based on searches. 15% potential increase in price ($114 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 July 2025
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Find flight deals from Illinois to Oslo Gardermoen

Cheapest flights from Illinois to Oslo Gardermoen
Explore the most affordable flight options available from Illinois to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
vie. 8/2210:15 pmORD - OSL
1 stop10h 10mIcelandair
mié. 9/104:30 pmOSL - ORD
1 stop11h 45mIcelandair
Deal found 7/30$435
This oojo deal was found by Cheapflights users on 7/30. 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.
lun. 10/207:15 pmORD - OSL
1 stop14h 20mScandinavian Airlines
mar. 10/289:05 pmOSL - ORD
1 stop30h 00mScandinavian Airlines
Deal found 7/30$449
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/128:35 pmORD - OSL
1 stop31h 05mBritish Airways
mar. 8/197:45 amOSL - ORD
1 stop16h 15mBritish Airways
Deal found 7/31$471
This American Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 8/1810:35 pmORD - OSL
1 stop17h 55mAmerican Airlines
mié. 9/37:40 amOSL - ORD
1 stop15h 15mAmerican Airlines
Deal found 7/30$503
This lol.travel deal was found by Cheapflights users on 7/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:55 pmORD - OSL
1 stop16h 20mUnited Airlines
sáb. 9/206:35 amOSL - ORD
1 stop15h 20mUnited Airlines
Deal found 7/30$525
This Air Canada deal was found by Cheapflights users on 7/30. 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.
vie. 11/77:15 amORD - OSL
2 stops21h 55mAir Canada
lun. 11/101:50 pmOSL - ORD
2 stops27h 10mAir Canada
Deal found 7/30$533
This CheapOair deal was found by Cheapflights users on 7/30. 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.
sáb. 11/15:20 pmORD - OSL
1 stop14h 15mMultiple Airlines
sáb. 11/86:15 amOSL - ORD
2 stops15h 40mMultiple Airlines
Deal found 7/30$535
This Delta deal was found by Cheapflights users on 7/29. 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.
mié. 12/310:35 amMDW - OSL
2 stops20h 15mDelta
dom. 12/77:50 amOSL - MDW
2 stops59h 05mDelta
Deal found 7/29$539
This FlightHub deal was found by Cheapflights users on 7/31. 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.
dom. 9/149:40 pmORD - OSL
1 stop13h 25mLufthansa
vie. 9/196:35 amOSL - ORD
1 stop13h 20mLufthansa
Deal found 7/31$557
This FlightHub deal was found by Cheapflights users on 7/30. 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.
mié. 9/31:26 pmSTL - OSL
2 stops17h 44mScandinavian Airlines
mié. 9/178:55 pmOSL - STL
2 stops33h 29mScandinavian Airlines
Deal found 7/30$598
This Delta deal was found by Cheapflights users on 7/28. 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.
mié. 11/123:50 pmBMI - OSL
2 stops39h 00mDelta
dom. 11/169:25 amOSL - BMI
2 stops43h 57mDelta
Deal found 7/28$644
This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/3112:20 pmSTL - OSL
2 stops28h 20mBritish Airways
mar. 9/167:45 amOSL - STL
2 stops20h 21mBritish Airways
Deal found 7/30$674

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Oslo Gardermoen 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 julio 31, 2025.
Use the filters below to find and compare flights from Illinois to Oslo Gardermoen Airport that are best for you.

Fly from

Illinois

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

vie. 8/22

10:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

mié. 9/10

4:30 pm-9:15 pm

1 stop11h 45m

$435

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

lun. 10/20

7:15 pm-4:35 pm

1 stop14h 20m

Oslo Gardermoen

mar. 10/28

9:05 pm-9:05 pm

1 stop30h 00m

$449

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mar. 8/12

8:35 pm-10:40 am

1 stop31h 05m

Oslo Gardermoen

mar. 8/19

7:45 am-5:00 pm

1 stop16h 15m

$471

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

lun. 8/18

10:35 pm-11:30 pm

1 stop17h 55m

Oslo Gardermoen

mié. 9/3

7:40 am-3:55 pm

1 stop15h 15m

$503

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sáb. 9/13

5:55 pm-5:15 pm

1 stop16h 20m

Oslo Gardermoen

sáb. 9/20

6:35 am-2:55 pm

1 stop15h 20m

$525

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

vie. 11/7

7:15 am-12:10 pm

2 stops21h 55m

Oslo Gardermoen

lun. 11/10

1:50 pm-10:00 am

2 stops27h 10m

$533

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sáb. 11/1

5:20 pm-1:35 pm

1 stop14h 15m

Oslo Gardermoen

sáb. 11/8

6:15 am-2:55 pm

2 stops15h 40m

$535

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

mié. 12/3

10:35 am-1:50 pm

2 stops20h 15m

Oslo Gardermoen

dom. 12/7

7:50 am-11:55 am

2 stops59h 05m

$539

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

dom. 9/14

9:40 pm-6:05 pm

1 stop13h 25m

Oslo Gardermoen

vie. 9/19

6:35 am-12:55 pm

1 stop13h 20m

$557

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mié. 9/3

1:26 pm-2:10 pm

2 stops17h 44m

Oslo Gardermoen

mié. 9/17

8:55 pm-11:24 pm

2 stops33h 29m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 39 results
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Best time to book a flight from Illinois to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Oslo Gardermoen Airport

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Oslo Gardermoen Airport (average of $567). Flying from Illinois to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,010). 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 Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

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

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Gardermoen. Reviews last updated julio 31, 2025.
Peruse reviews from past customers who have flown with Delta, Austrian Airlines, and Air France from Illinois to Oslo Gardermoen Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
823 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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 Illinois to Oslo Gardermoen. 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 Gardermoen Airport one-way?

    $257 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from $322 and $374, respectively.

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

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

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Oslo Gardermoen Airport (average of $567). Flying from Illinois to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,010). 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

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Gardermoen

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Alternative routes for Illinois to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Illinois to Oslo Gardermoen

Discover the top 9 airlines that operate flights from Illinois to Oslo Gardermoen. 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$408Average$601FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$432Average$807FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$494Average$645FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$532Average$722FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$540Average$686FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$549Average$660FlexibilityNo cancel feeOn-time69%
KLMCheapest$550Average$751FlexibilityNo cancel feeOn-time75%
FinnairCheapest$552Average$678FlexibilityNo cancel feeOn-time76%
DeltaCheapest$582Average$870FlexibilityNo cancel feeOn-timeN/A

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