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$347+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Nov 19 — Nov 261
Tue 11/19
Tue 11/26
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 November 14, 2024.

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 November 14, 2024.

This Flightnetwork deal was found by Cheapflights users on 11/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2111:40 amOSL - ORD
1 stop14h 05mBritish Airways
Wed 12/410:05 pmORD - OSL
1 stop17h 35mBritish Airways
Deal found 11/13$399
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 11/2311:25 amOSL - ORD
1 stop33h 30mAmerican Airlines
Fri 12/64:21 pmORD - OSL
2 stops17h 04mAmerican Airlines
Deal found 11/13$416
This Mytrip deal was found by Cheapflights users on 11/13. 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.
Thu 11/2111:40 amOSL - ORD
1 stop14h 05mMultiple Airlines
Wed 12/46:35 pmORD - OSL
1 stop12h 40mMultiple Airlines
Deal found 11/13$418
This Delta deal was found by Cheapflights users on 11/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:30 amOSL - MDW
2 stops17h 31mDelta
Mon 12/95:50 pmMDW - OSL
2 stops15h 35mDelta
Deal found 11/14$424
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/69:35 amOSL - ORD
2 stops34h 36mUnited Airlines
Wed 12/111:19 pmORD - OSL
2 stops21h 36mUnited Airlines
Deal found 11/13$428
This Scandinavian Airlines deal was found by Cheapflights users on 11/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1410:00 amOSL - ORD
1 stop12h 50mScandinavian Airlines
Thu 1/97:10 pmORD - OSL
1 stop10h 55mScandinavian Airlines
Deal found 11/14$436
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Thu 11/287:00 amOSL - STL
2 stops32h 43mAmerican Airlines
Mon 12/23:44 pmSTL - OSL
2 stops23h 56mAmerican Airlines
Deal found 11/13$461
This Flysmarter deal was found by Cheapflights users on 11/13. 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.
Thu 11/286:30 amOSL - STL
2 stops34h 57mMultiple Airlines
Mon 12/25:40 pmSTL - OSL
2 stops22h 50mMultiple Airlines
Deal found 11/13$469
This SWISS deal was found by Cheapflights users on 11/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:50 pmOSL - ORD
1 stop28h 25mSWISS
Thu 1/95:50 pmORD - OSL
2 stops17h 25mSWISS
Deal found 11/14$478
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:45 pmOSL - ORD
1 stop30h 40mLufthansa
Mon 12/165:55 pmORD - OSL
2 stops14h 25mLufthansa
Deal found 11/13$526
This Finnair deal was found by Cheapflights users on 11/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:20 pmOSL - ORD
2 stops28h 25mFinnair
Tue 1/710:00 pmORD - OSL
1 stop17h 40mFinnair
Deal found 11/14$595
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Sat 11/234:05 pmOSL - MDW
2 stops26h 05mMultiple Airlines
Fri 12/67:25 amMDW - OSL
1 stop22h 50mMultiple Airlines
Deal found 11/13$618

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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 1/9

9:00 pm-3:50 pm

1 stop25h 50m

Chicago O'Hare Intl

Thu 1/23

7:10 pm-1:05 pm

1 stop10h 55m

$394

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 12/24

7:25 pm-1:55 pm

1 stop25h 30m

Chicago O'Hare Intl

Tue 1/7

10:00 pm-6:10 pm

1 stop13h 10m

$404

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Tue 3/4

8:50 pm-7:29 pm

2 stops29h 39m

Lambert-St Louis

Tue 3/11

1:39 pm-6:10 pm

2 stops22h 31m

$406

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Mon 3/3

8:45 am-7:29 pm

2 stops17h 44m

Lambert-St Louis

Mon 3/10

4:30 pm-6:35 pm

2 stops20h 05m

$418

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 2/7

7:15 am-1:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 2/10

5:20 pm-6:35 pm

2 stops18h 15m

$421

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Fri 12/6

6:30 am-5:01 pm

2 stops17h 31m

Chicago Midway

Mon 12/9

5:50 pm-4:25 pm

2 stops15h 35m

$424

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 12/6

7:15 am-1:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Wed 12/11

4:45 pm-2:20 pm

1 stop14h 35m

$427

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 12/6

9:35 am-1:11 pm

2 stops34h 36m

Chicago O'Hare Intl

Wed 12/11

1:19 pm-5:55 pm

2 stops21h 36m

$428

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 2/7

6:30 am-5:50 pm

2 stops18h 20m

Chicago O'Hare Intl

Mon 2/10

1:40 pm-1:50 pm

2 stops17h 10m

$431

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 12/6

5:20 pm-1:55 pm

2 stops27h 35m

Chicago O'Hare Intl

Wed 12/11

10:00 pm-8:10 pm

2 stops15h 10m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 38 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 November 14, 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 November 14, 2024.
Get a feel of what it's like to fly with Iberia, Delta and Turkish Airlines 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
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

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
1,346 reviews
Delta
8.0
Very good
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

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
1,304 reviews
Delta
8.0
Very good
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

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
1,177 reviews
Delta
8.0
Very good
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Air France
7.4
Good
1,538 reviews
Delta
8.0
Very good
8,788 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

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?

    $489 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on TAP AIR PORTUGAL and Scandinavian Airlines, with prices starting from $518 and $523, 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$377Average$561FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$417Average$513FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$429Average$542FlexibilityNo cancel feeOn-time69%
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