HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$234+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSL
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Oslo Gardermoen with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Oslo Gardermoen (OSL). 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 enero 17, 2025.

Round-trip from

$385
(Ticket)

One-way from

$234
(Kiwi.com)
From Illinois to Oslo Gardermoen
Search Deals
One-way flight from Illinois to Oslo Gardermoen
Search Deals

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 enero 17, 2025.

This Ticket deal was found by Cheapflights users on 1/15. 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.
vie. 2/78:20 pmORD - OSL
1 stop14h 35mTAP AIR PORTUGAL
jue. 2/206:45 pmOSL - ORD
1 stop27h 45mTAP AIR PORTUGAL
Deal found 1/15$385
This Mytrip deal was found by Cheapflights users on 1/15. 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.
dom. 2/26:30 pmORD - OSL
1 stop10h 05mIcelandair
sáb. 2/151:10 pmOSL - ORD
1 stop11h 10mIcelandair
Deal found 1/15$415
This Finnair deal was found by Cheapflights users on 1/15. 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.
mar. 3/259:15 pmORD - OSL
1 stop11h 00mFinnair
mar. 4/18:35 amOSL - ORD
1 stop16h 15mFinnair
Deal found 1/15$497
This Gotogate deal was found by Cheapflights users on 1/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/25:00 pmORD - OSL
1 stop22h 40mBritish Airways
jue. 3/137:00 amOSL - ORD
1 stop18h 45mBritish Airways
Deal found 1/14$510
This American Airlines deal was found by Cheapflights users on 1/14. 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.
dom. 3/29:45 pmORD - OSL
1 stop30h 10mAmerican Airlines
jue. 3/137:00 amOSL - ORD
1 stop18h 45mAmerican Airlines
Deal found 1/14$523
This Ticket deal was found by Cheapflights users on 1/15. 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.
vie. 2/72:35 pmORD - OSL
2 stops15h 05mKLM
jue. 2/206:55 pmOSL - ORD
1 stop26h 35mKLM
Deal found 1/15$532
This oojo deal was found by Cheapflights users on 1/15. 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.
dom. 10/197:50 pmORD - OSL
1 stop34h 45mTurkish Airlines
lun. 10/276:15 pmOSL - ORD
1 stop31h 10mTurkish Airlines
Deal found 1/15$537
This Delta deal was found by Cheapflights users on 1/15. 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.
dom. 2/95:05 pmMDW - OSL
2 stops16h 20mDelta
jue. 2/206:30 amOSL - MDW
2 stops18h 13mDelta
Deal found 1/15$551
This Delta deal was found by Cheapflights users on 1/15. 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.
dom. 3/21:40 pmORD - OSL
2 stops19h 45mDelta
jue. 3/136:30 amOSL - ORD
2 stops20h 14mDelta
Deal found 1/15$551
This Iberia deal was found by Cheapflights users on 1/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/29:45 pmORD - OSL
1 stop17h 55mMultiple Airlines
dom. 3/97:15 amOSL - ORD
2 stops21h 13mMultiple Airlines
Deal found 1/16$553
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/166:00 pmORD - OSL
1 stop22h 30mUnited Airlines
lun. 1/276:20 amOSL - ORD
2 stops20h 35mUnited Airlines
Deal found 1/16$554
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/174:00 pmORD - OSL
2 stops16h 30mAir Canada
vie. 1/241:35 pmOSL - ORD
2 stops26h 22mAir Canada
Deal found 1/16$568

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 enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

vie. 2/7

8:20 pm-5:55 pm

1 stop14h 35m

Oslo Gardermoen

jue. 2/20

6:45 pm-3:30 pm

1 stop27h 45m

$385

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

dom. 2/2

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

sáb. 2/15

1:10 pm-5:20 pm

1 stop11h 10m

$415

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

mar. 3/25

9:15 pm-2:15 pm

1 stop11h 00m

Oslo Gardermoen

mar. 4/1

8:35 am-5:50 pm

1 stop16h 15m

$497

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

dom. 3/2

5:00 pm-10:40 pm

1 stop22h 40m

Oslo Gardermoen

jue. 3/13

7:00 am-7:45 pm

1 stop18h 45m

$510

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

vie. 2/7

2:35 pm-12:40 pm

2 stops15h 05m

Oslo Gardermoen

jue. 2/20

6:55 pm-2:30 pm

1 stop26h 35m

$532

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sáb. 2/15

4:45 pm-2:20 pm

1 stop14h 35m

Oslo Gardermoen

mar. 2/25

11:40 am-6:45 pm

1 stop14h 05m

$550

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

dom. 2/9

5:05 pm-4:25 pm

2 stops16h 20m

Oslo Gardermoen

jue. 2/20

6:30 am-5:43 pm

2 stops18h 13m

$551

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

dom. 3/2

1:40 pm-4:25 pm

2 stops19h 45m

Oslo Gardermoen

jue. 3/13

6:30 am-8:44 pm

2 stops20h 14m

$551

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

jue. 2/13

11:35 am-3:30 pm

2 stops20h 55m

Oslo Gardermoen

mié. 2/26

6:20 am-2:45 pm

2 stops15h 25m

$559

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

dom. 4/27

7:50 pm-11:00 am

1 stop32h 10m

Oslo Gardermoen

lun. 5/5

6:40 pm-9:50 am

1 stop22h 10m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 36 results
1
2
3
4

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 $1,169). 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 enero 17, 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 enero 17, 2025.
To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about British Airways, KLM and Delta. 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
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

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
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

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 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?

    $361 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 British Airways, with prices starting from $364 and $395, 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 $1,169). 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 Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Oslo Gardermoen flights
John F Kennedy Intl to Oslo Gardermoen flights
Seattle to Oslo Gardermoen flights
LaGuardia to Oslo Gardermoen flights
O'Hare Intl to Oslo Gardermoen flights
Dulles Intl to Oslo Gardermoen flights
John F Kennedy Intl to Sandefjord flights
Minneapolis to Oslo Gardermoen flights
Boston to Oslo Gardermoen flights
Los Angeles to Oslo Gardermoen flights
Baltimore to Oslo Gardermoen flights
Reagan-National to Oslo Gardermoen flights
Midway to Oslo Gardermoen flights
San Francisco to Oslo Gardermoen flights
Stewart to Oslo Gardermoen flights
Newark to Sandefjord flights
O'Hare Intl to Sandefjord flights
Miami to Oslo Gardermoen flights
Denver to Oslo Gardermoen flights
Hobby to Oslo Gardermoen flights
Boston to Sandefjord flights
Orlando to Oslo Gardermoen flights
Dallas/Fort Worth to Oslo Gardermoen flights
Los Angeles to Sandefjord flights
George Bush Intcntl to Oslo Gardermoen flights
Philadelphia to Oslo Gardermoen flights
Dulles Intl to Sandefjord flights
Detroit to Oslo Gardermoen flights
Atlanta to Oslo Gardermoen flights
Portland to Oslo Gardermoen flights
Seattle to Sandefjord flights
Raleigh to Oslo Gardermoen flights
Sky Harbor Intl to Oslo Gardermoen flights
Santa Ana to Oslo Gardermoen flights
Charlotte to Oslo Gardermoen flights
Burbank to Oslo Gardermoen flights
Oakland to Oslo Gardermoen flights
San Francisco to Sandefjord flights
Minneapolis to Sandefjord flights
Austin to Oslo Gardermoen flights
San Jose to Oslo Gardermoen flights
Salt Lake City to Oslo Gardermoen flights
Love Field to Oslo Gardermoen flights
Indianapolis to Oslo Gardermoen flights
Ontario to Oslo Gardermoen flights
Fort Lauderdale to Oslo Gardermoen flights
Tampa to Oslo Gardermoen flights
Bozeman to Oslo Gardermoen flights
Miami to Sandefjord flights
San Diego to Oslo Gardermoen flights

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 enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$428Average$699FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$433Average$725FlexibilityNo cancel feeOn-time77%
FinnairCheapest$454Average$629FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$674FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$516Average$614FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$533Average$926FlexibilityNo cancel feeOn-time76%
KLMCheapest$550Average$726FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$550Average$655FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$567Average$820FlexibilityNo cancel feeOn-time77%
DeltaCheapest$582Average$752FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.