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Oslo Gardermoen

$267+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Round-trip from

$473
(Flighttix)

One-way from

$267
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$560
From Illinois to Oslo Gardermoen
Search Deals
One-way flight from Illinois to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 23, 2025.

This Flighttix deal was found by Cheapflights users on 2/21. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:30 pmORD - OSL
1 stop10h 05mIcelandair
Wed 4/304:30 pmOSL - ORD
1 stop11h 45mIcelandair
Deal found 2/21$472
This oojo deal was found by Cheapflights users on 2/22. 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.
Fri 3/289:25 pmORD - OSL
1 stop14h 30mTAP AIR PORTUGAL
Thu 4/312:50 pmOSL - ORD
1 stop34h 20mTAP AIR PORTUGAL
Deal found 2/22$485
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/249:15 pmORD - OSL
1 stop19h 25mAmerican Airlines
Tue 4/17:45 amOSL - ORD
1 stop14h 00mAmerican Airlines
Deal found 2/21$526
This oojo deal was found by Cheapflights users on 2/22. 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.
Tue 3/116:00 pmORD - OSL
1 stop22h 40mBritish Airways
Mon 3/177:15 amOSL - ORD
1 stop18h 30mBritish Airways
Deal found 2/22$527
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:45 amORD - OSL
3 stops22h 50mMultiple Airlines
Tue 4/81:50 pmOSL - ORD
3 stops25h 14mMultiple Airlines
Deal found 2/21$528
This Delta deal was found by Cheapflights users on 2/20. 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 3/176:20 pmORD - OSL
1 stop16h 05mDelta
Mon 4/711:50 amOSL - ORD
1 stop33h 50mDelta
Deal found 2/20$545
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:50 pmORD - OSL
1 stop38h 20mTurkish Airlines
Fri 10/36:40 pmOSL - ORD
1 stop22h 00mTurkish Airlines
Deal found 2/21$549
This KLM deal was found by Cheapflights users on 2/22. 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.
Wed 3/265:25 pmORD - OSL
1 stop21h 25mKLM
Tue 4/14:35 pmOSL - ORD
1 stop29h 05mKLM
Deal found 2/22$550
This Delta deal was found by Cheapflights users on 2/22. 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.
Tue 3/256:42 pmMDW - OSL
2 stops15h 43mDelta
Wed 4/26:00 amOSL - MDW
2 stops19h 02mDelta
Deal found 2/22$558
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/261:55 pmORD - OSL
2 stops26h 35mUnited Airlines
Wed 3/56:20 amOSL - ORD
2 stops35h 34mUnited Airlines
Deal found 2/21$564
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:05 pmORD - OSL
1 stop34h 05mSWISS
Wed 4/95:40 amOSL - ORD
1 stop17h 15mSWISS
Deal found 2/20$565
This Lufthansa deal was found by Cheapflights users on 2/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2410:25 pmORD - OSL
1 stop13h 30mLufthansa
Thu 4/311:35 amOSL - ORD
1 stop13h 40mLufthansa
Deal found 2/22$571

Find flights from Illinois to Oslo Gardermoen within your budget

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 February 23, 2025.

Fly from

Illinois

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 4/23

7:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Wed 4/30

4:30 pm-9:15 pm

1 stop11h 45m

$472

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 3/28

9:25 pm-5:55 pm

1 stop14h 30m

Oslo Gardermoen

Thu 4/3

12:50 pm-4:10 pm

1 stop34h 20m

$485

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/18

8:05 pm-12:10 pm

1 stop34h 05m

Oslo Gardermoen

Tue 4/8

5:40 am-12:10 pm

1 stop13h 30m

$522

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/24

9:15 pm-10:40 pm

1 stop19h 25m

Oslo Gardermoen

Tue 4/1

7:45 am-2:45 pm

1 stop14h 00m

$526

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 3/11

6:00 pm-10:40 pm

1 stop22h 40m

Oslo Gardermoen

Mon 3/17

7:15 am-7:45 pm

1 stop18h 30m

$527

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 4/1

6:45 am-12:35 pm

3 stops22h 50m

Oslo Gardermoen

Tue 4/8

1:50 pm-8:04 am

3 stops25h 14m

$528

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/17

6:20 pm-4:25 pm

1 stop16h 05m

Oslo Gardermoen

Mon 4/7

11:50 am-2:40 pm

1 stop33h 50m

$545

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 3/26

5:25 pm-8:50 pm

1 stop21h 25m

Oslo Gardermoen

Tue 4/1

4:35 pm-2:40 pm

1 stop29h 05m

$550

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Tue 3/25

6:42 pm-4:25 pm

2 stops15h 43m

Oslo Gardermoen

Wed 4/2

6:00 am-6:02 pm

2 stops19h 02m

$558

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 3/19

11:49 am-11:00 am

2 stops17h 11m

Oslo Gardermoen

Wed 3/26

6:20 am-7:57 am

2 stops31h 37m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 38 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.

Travel insights for flights from Illinois to Oslo Gardermoen

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

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 $1,134). 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 February 23, 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.

Rainfall in Oslo Gardermoen by month

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

In terms of precipitation, rainfall in Oslo Gardermoen Airport 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 Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

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

If weather is an important factor for your trip to Oslo Gardermoen Airport, 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 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 February 23, 2025.
To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta
8.0
Very good
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM
7.8
Good
1,332 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Air France
7.4
Good
1,448 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 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?

    $316 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 KLM and Air France, with prices starting from $399 and $400, 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 $1,134). 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.

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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 10 airlines flying from Illinois to Oslo Gardermoen

Discover the top 10 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$427Average$683FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$431Average$781FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$683FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$516Average$614FlexibilityNo cancel feeOn-time71%
FinnairCheapest$520Average$652FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$533Average$877FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$540Average$820FlexibilityNo cancel feeOn-time77%
KLMCheapest$546Average$668FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$550Average$660FlexibilityNo cancel feeOn-time69%
DeltaCheapest$582Average$752FlexibilityNo cancel feeOn-timeN/A
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