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$270+ Cheap flights from Oslo Gardermoen (OSL) to Illinois

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Oslo Gardermoen to Illinois

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

$345
(Ticket)

One-way from

$270
(Kiwi.com)
From Oslo Gardermoen to Illinois
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One-way flight from Oslo Gardermoen to Illinois
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Find flight deals from Oslo Gardermoen to Illinois

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

This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:00 amOSL - ORD
1 stop12h 50mScandinavian Airlines
Mon 1/137:10 pmORD - OSL
1 stop33h 00mScandinavian Airlines
Deal found 12/16$542
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:20 amOSL - ORD
1 stop15h 55mLufthansa
Mon 1/139:10 pmORD - OSL
2 stops19h 35mLufthansa
Deal found 12/16$574
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:10 amOSL - ORD
2 stops36h 31mUnited Airlines
Fri 1/179:25 pmORD - OSL
1 stop13h 30mUnited Airlines
Deal found 12/16$596
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1711:40 amOSL - ORD
1 stop14h 05mMultiple Airlines
Fri 1/176:35 pmORD - OSL
1 stop20h 40mMultiple Airlines
Deal found 12/16$629
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:45 pmOSL - ORD
1 stop27h 45mTAP AIR PORTUGAL
Fri 1/178:20 pmORD - OSL
1 stop14h 35mTAP AIR PORTUGAL
Deal found 12/17$653
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:45 amOSL - ORD
2 stops20h 10mAir Canada
Fri 1/1711:35 amORD - OSL
2 stops18h 20mAir Canada
Deal found 12/16$660
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:05 pmOSL - ORD
2 stops26h 00mSWISS
Mon 1/139:10 pmORD - OSL
2 stops32h 00mSWISS
Deal found 12/16$663
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:40 amOSL - ORD
1 stop16h 20mLOT
Sun 1/199:55 pmORD - OSL
2 stops38h 05mLOT
Deal found 12/17$672
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:30 amOSL - ORD
1 stop15h 00mKLM
Fri 12/274:25 pmORD - OSL
1 stop33h 10mKLM
Deal found 12/17$824
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:30 amOSL - MDW
2 stops18h 14mDelta
Mon 1/139:34 amMDW - OSL
2 stops19h 21mDelta
Deal found 12/16$877
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:00 amOSL - STL
2 stops40h 06mUnited Airlines
Fri 12/275:59 pmSTL - OSL
2 stops58h 01mUnited Airlines
Deal found 12/16$998
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/171:10 pmOSL - MDW
2 stops29h 01mMultiple Airlines
Fri 1/176:45 amMDW - OSL
1 stop23h 30mMultiple Airlines
Deal found 12/17$1,005

Find flights from Oslo Gardermoen to Illinois within your budget

Customize your flight search to find flights from Oslo Gardermoen to Illinois 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

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/18

6:45 pm-3:30 pm

1 stop27h 45m

Chicago O'Hare Intl

Fri 1/31

8:20 pm-12:05 pm

1 stop32h 45m

$345

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 1/23

7:00 am-1:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Sat 2/8

4:25 pm-2:10 pm

2 stops14h 45m

$362

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 1/23

6:00 am-5:50 pm

1 stop18h 50m

Chicago O'Hare Intl

Sat 2/8

7:40 pm-4:30 pm

1 stop13h 50m

$376

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 1/16

1:10 pm-5:20 pm

1 stop11h 10m

Chicago O'Hare Intl

Wed 1/29

6:30 pm-11:35 am

1 stop10h 05m

$383

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/18

11:25 am-10:47 am

2 stops30h 22m

Chicago O'Hare Intl

Fri 1/31

4:22 pm-10:15 pm

2 stops22h 53m

$396

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/18

5:20 pm-2:45 pm

1 stop28h 25m

Chicago O'Hare Intl

Fri 1/31

4:22 pm-5:10 pm

2 stops17h 48m

$417

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/18

11:25 am-2:45 pm

1 stop34h 20m

Chicago O'Hare Intl

Fri 1/31

5:00 pm-10:15 pm

1 stop22h 15m

$425

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Thu 1/23

6:30 am-6:14 pm

2 stops18h 44m

Chicago Midway

Sat 2/8

5:05 pm-4:15 pm

2 stops16h 10m

$450

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/18

6:00 am-3:15 pm

2 stops16h 15m

Chicago O'Hare Intl

Fri 1/31

9:25 pm-11:30 pm

1 stop19h 05m

$476

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 1/8

1:00 pm-1:40 pm

2 stops55h 40m

Chicago O'Hare Intl

Sun 1/12

5:50 pm-12:10 pm

2 stops35h 20m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 27 results
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Best time to book a flight from Oslo Gardermoen to Illinois

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

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

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

Currently, September is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $232). Flying from Oslo Gardermoen Airport to Illinois in June is currently the most expensive (average of $308). 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 OSL to IL?

Find hourly flight availability from Oslo Gardermoen to Illinois. 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.

When flying from Oslo Gardermoen Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 18, 2024.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,133 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Illinois. 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 Oslo Gardermoen Airport to Illinois one-way?

    $441 is the cheapest one-way deal found within the past few days, from LOT. You may also be able to find cheap deals on Scandinavian Airlines and Icelandair, with prices starting from $704 and $779, respectively.

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

    Most travelers choose Oslo Gardermoen - Chicago O'Hare Intl, Oslo Gardermoen - Chicago Midway or Oslo Gardermoen - Lambert-St Louis when deciding on the best route from Oslo Gardermoen Airport to Illinois.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $232). Flying from Oslo Gardermoen Airport to Illinois in June is currently the most expensive (average of $308). 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 Oslo Gardermoen to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oslo Gardermoen to Illinois

Discover the top 3 airlines that operate flights from Oslo Gardermoen to Illinois. 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
Scandinavian AirlinesCheapest$370Average$565FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$416Average$513FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$429Average$556FlexibilityNo cancel feeOn-time69%
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