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O'Hare Intl

$243+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Ticket deal was found by Cheapflights users on 1/26. 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.
Sat 4/181:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Sun 4/267:25 pm
ORD
-
OSL
1 stop10h 10m
Icelandair
Deal found 1/26$389
This Ticket deal was found by Cheapflights users on 1/25. 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.
Sun 2/89:30 pm
OSL
-
ORD
1 stop26h 50m
Icelandair
Sat 2/216:30 pm
ORD
-
OSL
1 stop10h 05m
Icelandair
Deal found 1/25$407
This Travelis deal was found by Cheapflights users on 1/26. 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.
Sat 4/181:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Sat 4/257:25 pm
ORD
-
OSL
1 stop13h 00m
Icelandair
Deal found 1/26$415
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:05 pm
OSL
-
ORD
1 stop26h 25m
Multiple Airlines
Sun 6/219:15 pm
ORD
-
OSL
1 stop19h 25m
Multiple Airlines
Deal found 1/25$424
This Ticket deal was found by Cheapflights users on 1/26. 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.
Mon 2/99:25 am
OSL
-
ORD
1 stop11h 55m
KLM
Mon 2/234:25 pm
ORD
-
OSL
1 stop16h 50m
KLM
Deal found 1/26$451
This FlightHub deal was found by Cheapflights users on 1/26. 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 5/121:50 pm
OSL
-
ORD
1 stop11h 25m
Icelandair
Mon 5/1810:25 pm
ORD
-
OSL
1 stop10h 00m
Icelandair
Deal found 1/26$455
This Ticket deal was found by Cheapflights users on 1/26. 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.
Sat 4/188:50 pm
OSL
-
ORD
2 stops25h 10m
Finnair
Sun 4/269:30 pm
ORD
-
OSL
1 stop12h 05m
Finnair
Deal found 1/26$464
This Ticket deal was found by Cheapflights users on 1/26. 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.
Mon 2/97:20 am
OSL
-
ORD
2 stops17h 22m
British Airways
Mon 2/239:45 pm
ORD
-
OSL
1 stop17h 55m
British Airways
Deal found 1/26$479
This Finnair deal was found by Cheapflights users on 1/25. 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.
Mon 8/107:45 am
OSL
-
ORD
1 stop14h 15m
Multiple Airlines
Sun 9/610:35 pm
ORD
-
OSL
1 stop18h 05m
Multiple Airlines
Deal found 1/25$482

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Ticket)

One-way from

$243
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$470
Provider with most accurate pricing for Oslo Gardermoen-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Chicago O'Hare Intl flights.
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From Oslo Gardermoen to Chicago O'Hare Intl
Search Deals
One-way flight from Oslo Gardermoen to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 26, 2026.
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 5/19

4:30 pm-9:25 pm

1 stop11h 55m

Chicago O'Hare Intl

Tue 5/26

10:25 pm-3:25 pm

1 stop10h 00m

$455

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 5/19

9:20 am-2:15 pm

1 stop11h 55m

Chicago O'Hare Intl

Tue 5/26

2:10 pm-1:45 pm

2 stops16h 35m

$491

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 6/9

7:45 am-3:00 pm

1 stop14h 15m

Chicago O'Hare Intl

Wed 6/17

6:00 pm-7:15 pm

1 stop18h 15m

$496

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 6/15

8:30 pm-3:00 pm

2 stops25h 30m

Chicago O'Hare Intl

Sun 6/21

9:15 pm-11:40 pm

1 stop19h 25m

$497

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 2/9

6:30 am-6:45 pm

2 stops19h 15m

Chicago O'Hare Intl

Mon 2/23

10:36 am-8:40 am

2 stops15h 04m

$510

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 2/8

9:25 am-9:35 pm

2 stops19h 10m

Chicago O'Hare Intl

Sat 2/21

4:25 pm-4:15 pm

1 stop16h 50m

$510

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 4/18

8:50 pm-3:00 pm

2 stops25h 10m

Chicago O'Hare Intl

Sun 4/26

4:16 pm-4:35 pm

2 stops17h 19m

$518

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 3/12

7:05 am-7:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Thu 3/19

4:21 pm-2:15 pm

2 stops15h 54m

$542

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 4/18

6:15 am-8:00 am

2 stops32h 45m

Chicago O'Hare Intl

Sat 4/25

1:00 pm-12:15 pm

2 stops16h 15m

$556

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 2/5

3:05 pm-3:25 pm

1 stop31h 20m

Chicago O'Hare Intl

Mon 2/9

11:44 am-10:55 am

2 stops16h 11m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 22 results
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  • Most accurate provider: When it comes to deals on Oslo Gardermoen Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oslo Gardermoen Airport-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 23, 2026.

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 44 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, April is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport (average of $340). Flying from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $565). 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.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport?

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 11h 55m. The distance from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport is about 4039 mi.

  • What are the cheapest airlines to fly from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $398. Icelandair flights start at $437 while deals on Scandinavian Airlines start at $502 one-way.

  • 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, April is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport (average of $340). Flying from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $565). 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

Traveling to a place near Chicago O'Hare Intl Airport?

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