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O'Hare Intl

$286+ Cheap flights from Oslo Gardermoen (OSL) to O'Hare Intl (ORD)

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Chicago O'Hare Intl are usually found in September or January, booked 88 days in advance, depart on a Thursday or Sunday and return on a Tuesday

Cheap flight deals from Oslo Gardermoen to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to O'Hare Intl (ORD). 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 September 11, 2025.

Round-trip from

$405
(Travelis)

One-way from

$286
(Finnair)

Popular in

July

Cheapest in

September

Average price

$469
From Oslo Gardermoen to Chicago O'Hare Intl
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One-way flight from Oslo Gardermoen to Chicago O'Hare Intl
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Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oslo Gardermoen to O'Hare Intl

Cheapest flights from Oslo Gardermoen to O'Hare Intl
Explore the most affordable flight options available from Oslo Gardermoen to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Travelis deal was found by Cheapflights users on 9/10. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:30 pmOSL - ORD
1 stop11h 45mIcelandair
Thu 10/307:30 pmORD - OSL
1 stop10h 05mIcelandair
Deal found 9/10$405
This oojo deal was found by Cheapflights users on 9/10. 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.
Wed 10/154:30 pmOSL - ORD
1 stop11h 45mIcelandair
Sat 10/257:30 pmORD - OSL
1 stop19h 05mIcelandair
Deal found 9/10$434
This oojo deal was found by Cheapflights users on 9/11. 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.
Sat 11/151:10 pmOSL - ORD
1 stop11h 10mIcelandair
Sat 11/296:30 pmORD - OSL
1 stop10h 05mIcelandair
Deal found 9/11$435
This Ticket deal was found by Cheapflights users on 9/10. 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.
Thu 10/2311:50 amOSL - ORD
1 stop33h 20mMultiple Airlines
Sun 11/305:20 pmORD - OSL
1 stop16h 00mMultiple Airlines
Deal found 9/10$437
This oojo deal was found by Cheapflights users on 9/10. 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.
Sat 11/19:00 amOSL - ORD
1 stop14h 45mScandinavian Airlines
Fri 11/147:20 pmORD - OSL
1 stop18h 00mScandinavian Airlines
Deal found 9/10$446
This Travelis deal was found by Cheapflights users on 9/10. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:50 pmOSL - ORD
1 stop11h 25mIcelandair
Sun 11/306:30 pmORD - OSL
1 stop10h 05mIcelandair
Deal found 9/10$448
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2311:40 amOSL - ORD
1 stop12h 20mAmerican Airlines
Tue 10/287:25 pmORD - OSL
1 stop12h 45mAmerican Airlines
Deal found 9/10$462
This Travelis deal was found by Cheapflights users on 9/11. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:45 amOSL - ORD
1 stop16h 15mBritish Airways
Sun 11/309:45 pmORD - OSL
1 stop17h 55mBritish Airways
Deal found 9/11$464
This American Airlines deal was found by Cheapflights users on 9/10. 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 12/47:05 amOSL - ORD
1 stop15h 20mAmerican Airlines
Mon 12/86:35 pmORD - OSL
2 stops21h 05mAmerican Airlines
Deal found 9/10$465
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:45 amOSL - ORD
1 stop13h 55mBritish Airways
Tue 10/285:40 pmORD - OSL
2 stops14h 30mBritish Airways
Deal found 9/11$466

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to O'Hare Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Oslo Gardermoen

Fly to

O'Hare Intl

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 10/23

11:40 am-5:00 pm

1 stop12h 20m

Chicago O'Hare Intl

Tue 10/28

7:25 pm-2:10 pm

1 stop12h 45m

$463

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 11/3

7:20 am-3:25 pm

1 stop15h 05m

Chicago O'Hare Intl

Fri 11/14

11:48 am-10:30 am

2 stops15h 42m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 11/1

7:10 am-5:45 pm

1 stop16h 35m

Chicago O'Hare Intl

Fri 11/14

11:48 am-10:30 am

2 stops15h 42m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 10/23

7:45 am-5:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 10/28

5:40 pm-2:10 pm

2 stops14h 30m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 9/24

4:30 pm-9:15 pm

1 stop11h 45m

Chicago O'Hare Intl

Tue 12/16

6:30 pm-11:35 am

1 stop10h 05m

$468

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 9/24

4:30 pm-9:15 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 12/15

6:30 pm-11:35 am

1 stop10h 05m

$468

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 9/22

5:05 pm-1:30 pm

2 stops27h 25m

Chicago O'Hare Intl

Mon 12/15

5:40 pm-10:40 pm

2 stops22h 00m

$469

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 12/4

7:05 am-8:50 pm

2 stops20h 45m

Chicago O'Hare Intl

Mon 12/8

6:35 pm-10:40 pm

2 stops21h 05m

$473

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 10/23

6:30 am-4:11 pm

2 stops16h 41m

Chicago O'Hare Intl

Tue 10/28

4:56 pm-4:20 pm

2 stops17h 24m

$475

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 10/17

6:30 am-2:10 pm

1 stop14h 40m

Chicago O'Hare Intl

Thu 10/30

1:25 pm-11:50 am

2 stops16h 25m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results
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Best time to book a flight from Oslo Gardermoen to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to O'Hare Intl. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 ORD?

Find hourly flight availability from Oslo Gardermoen to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport?

    Departing from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport will take you 12h 20m. The distance from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport is about 4039 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Oslo Gardermoen to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from Oslo Gardermoen to O'Hare Intl?

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

  • Can I find deals for business class flights from Oslo Gardermoen to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to O'Hare Intl 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 Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

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Beloit
Racine
Rockford
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