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$283+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
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 enero 16, 2025.

Round-trip from

$307
(Mytrip)

One-way from

$283
(Norse)
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 enero 16, 2025.

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.
lun. 2/31:10 pmOSL - ORD
1 stop11h 10mIcelandair
dom. 2/166:30 pmORD - OSL
1 stop10h 05mIcelandair
Deal found 1/15$307
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amOSL - ORD
1 stop15h 00mKLM
dom. 2/164:25 pmORD - OSL
1 stop16h 50mKLM
Deal found 1/16$372
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/97:15 amOSL - ORD
1 stop16h 45mMultiple Airlines
dom. 2/239:45 pmORD - OSL
1 stop17h 55mMultiple Airlines
Deal found 1/16$377
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/97:15 amOSL - ORD
2 stops20h 26mBritish Airways
dom. 2/239:45 pmORD - OSL
1 stop17h 55mBritish Airways
Deal found 1/16$388
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/168:00 amOSL - STL
2 stops19h 12mBritish Airways
dom. 6/226:10 pmSTL - OSL
2 stops22h 30mBritish Airways
Deal found 1/16$401
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amOSL - ORD
1 stop15h 00mDelta
dom. 2/164:58 pmORD - OSL
2 stops16h 27mDelta
Deal found 1/16$415
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/17:45 amOSL - ORD
1 stop14h 05mAmerican Airlines
dom. 4/68:35 pmORD - OSL
1 stop20h 05mAmerican Airlines
Deal found 1/16$417
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/38:50 pmOSL - ORD
2 stops24h 05mFinnair
dom. 2/165:00 pmORD - OSL
2 stops16h 35mFinnair
Deal found 1/16$418
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amOSL - MDW
2 stops18h 13mDelta
dom. 2/165:05 pmMDW - OSL
2 stops16h 20mDelta
Deal found 1/16$421
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:45 amOSL - ORD
1 stop12h 30mBrussels Airlines
dom. 2/165:55 pmORD - OSL
1 stop16h 15mBrussels Airlines
Deal found 1/15$451
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.
lun. 2/37:15 amOSL - ORD
2 stops19h 35mIberia
dom. 2/164:45 pmORD - OSL
1 stop14h 35mIberia
Deal found 1/16$470
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/249:00 amOSL - ORD
1 stop14h 10mScandinavian Airlines
mié. 5/287:00 amORD - OSL
2 stops19h 15mScandinavian Airlines
Deal found 1/16$500

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 enero 16, 2025.

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Fly to

Any airport

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

lun. 2/3

1:10 pm-5:20 pm

1 stop11h 10m

Chicago O'Hare Intl

dom. 2/16

6:30 pm-11:35 am

1 stop10h 05m

$307

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

lun. 2/3

6:30 am-2:30 pm

1 stop15h 00m

Chicago O'Hare Intl

dom. 2/16

4:25 pm-4:15 pm

1 stop16h 50m

$372

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

dom. 2/9

7:15 am-5:00 pm

1 stop16h 45m

Chicago O'Hare Intl

dom. 2/23

9:45 pm-10:40 pm

1 stop17h 55m

$377

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

dom. 2/9

7:15 am-8:41 pm

2 stops20h 26m

Chicago O'Hare Intl

dom. 2/23

9:45 pm-10:40 pm

1 stop17h 55m

$388

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

lun. 6/16

8:00 am-8:12 pm

2 stops19h 12m

Lambert-St Louis

dom. 6/22

6:10 pm-11:40 pm

2 stops22h 30m

$401

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

lun. 2/3

6:30 am-2:30 pm

1 stop15h 00m

Chicago O'Hare Intl

dom. 2/16

4:58 pm-4:25 pm

2 stops16h 27m

$415

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

mar. 4/1

7:45 am-2:50 pm

1 stop14h 05m

Chicago O'Hare Intl

dom. 4/6

8:35 pm-11:40 pm

1 stop20h 05m

$417

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

lun. 2/3

8:50 pm-1:55 pm

2 stops24h 05m

Chicago O'Hare Intl

dom. 2/16

5:00 pm-4:35 pm

2 stops16h 35m

$418

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

lun. 2/3

6:30 am-5:43 pm

2 stops18h 13m

Chicago Midway

dom. 2/16

5:05 pm-4:25 pm

2 stops16h 20m

$421

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

lun. 2/3

6:45 am-12:15 pm

1 stop12h 30m

Chicago O'Hare Intl

dom. 2/16

5:55 pm-5:10 pm

1 stop16h 15m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 29 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $245). Flying from Oslo Gardermoen Airport to Illinois in March is currently the most expensive (average of $320). 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 enero 16, 2025.

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 enero 16, 2025.
Get a feel of what it's like to fly with United Airlines, Delta and British Airways from Oslo to Illinois by reading reviews from past customers. 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

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

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

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

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
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

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
1,112 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

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

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

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

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

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?

    $325 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and LOT, with prices starting from $394 and $435, 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $245). Flying from Oslo Gardermoen Airport to Illinois in March is currently the most expensive (average of $320). 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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Sandefjord to San Francisco flights
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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 enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$370Average$664FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$416Average$547FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$429Average$556FlexibilityNo cancel feeOn-time69%
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