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O'Hare Intl

$338+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$465
(United Airlines)

One-way from

$338
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$592
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. 11% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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 9/306:35 amOSL - ORD
2 stops34h 16mUnited Airlines
Tue 10/71:17 pmORD - OSL
2 stops14h 33mUnited Airlines
Deal found 8/16$465
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 10/118:20 amOSL - ORD
2 stops22h 38mAmerican Airlines
Mon 10/279:45 pmORD - OSL
1 stop31h 10mAmerican Airlines
Deal found 8/16$466
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 12/47:05 amOSL - ORD
2 stops22h 40mAmerican Airlines
Mon 12/85:10 pmORD - OSL
1 stop22h 30mAmerican Airlines
Deal found 8/16$467
This British Airways deal was found by Cheapflights users on 8/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:40 amOSL - ORD
2 stops16h 50mBritish Airways
Wed 9/1710:35 pmORD - OSL
1 stop17h 55mBritish Airways
Deal found 8/17$469
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 9/256:30 amOSL - ORD
1 stop14h 40mDelta
Thu 10/301:25 pmORD - OSL
2 stops18h 25mDelta
Deal found 8/16$471
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 9/176:30 amOSL - ORD
2 stops18h 15mDelta
Wed 9/242:05 pmORD - OSL
2 stops14h 45mDelta
Deal found 8/16$472
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:45 pmOSL - ORD
2 stops15h 58mUnited Airlines
Sun 11/26:25 pmORD - OSL
1 stop11h 40mUnited Airlines
Deal found 8/17$473
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 10/16:30 amOSL - ORD
2 stops16h 50mDelta
Wed 10/81:08 pmORD - OSL
2 stops14h 57mDelta
Deal found 8/16$478
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 10/127:15 amOSL - ORD
1 stop13h 50mUnited Airlines
Mon 10/274:20 pmORD - OSL
1 stop14h 35mUnited Airlines
Deal found 8/18$480
This Flysmarter deal was found by Cheapflights users on 8/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:20 amOSL - ORD
1 stop15h 40mBritish Airways
Mon 9/156:52 pmORD - OSL
2 stops16h 48mBritish Airways
Deal found 8/17$481
This Flysmarter deal was found by Cheapflights users on 8/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:40 amOSL - ORD
2 stops20h 49mAir Canada
Mon 10/277:30 pmORD - OSL
1 stop11h 25mAir Canada
Deal found 8/16$485

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 August 18, 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

Tue 9/30

6:35 am-9:51 am

2 stops34h 16m

Chicago O'Hare Intl

Tue 10/7

1:17 pm-10:50 am

2 stops14h 33m

$465

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 10/11

8:20 am-7:25 am

2 stops30h 05m

Chicago O'Hare Intl

Mon 10/27

10:45 pm-2:10 pm

1 stop33h 25m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 9/17

6:30 am-2:40 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 9/24

2:05 pm-11:50 am

2 stops14h 45m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 10/3

7:50 am-6:34 pm

2 stops17h 44m

Chicago O'Hare Intl

Mon 10/6

1:43 pm-10:25 am

2 stops13h 42m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 12/4

7:05 am-10:45 pm

2 stops22h 40m

Chicago O'Hare Intl

Mon 12/8

5:10 pm-10:40 pm

1 stop22h 30m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 9/16

6:30 am-5:59 pm

2 stops18h 29m

Chicago O'Hare Intl

Tue 9/23

5:00 pm-1:45 pm

2 stops13h 45m

$466

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 10/12

7:45 am-7:25 am

2 stops30h 40m

Chicago O'Hare Intl

Mon 10/27

6:18 pm-10:40 pm

2 stops22h 22m

$467

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Wed 10/22

8:40 am-12:35 pm

2 stops34h 55m

$338

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 9/26

6:15 am-7:50 pm

3 stops44h 35m

$355

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 10/7

6:50 pm-4:10 pm

1 stop28h 20m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 15 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 8, 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 August 18, 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.

  • 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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