HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$316+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo Gardermoen to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$490
(American Airlines)

One-way from

$316
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$714
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. 10% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 10/87:40 amOSL - ORD
1 stop14h 10mAmerican Airlines
Thu 10/161:43 pmORD - OSL
2 stops14h 07mAmerican Airlines
Deal found 7/1$490
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:40 amOSL - ORD
2 stops20h 49mAir Canada
Tue 10/149:12 pmORD - OSL
2 stops32h 03mAir Canada
Deal found 7/2$491
This Delta deal was found by Cheapflights users on 7/1. 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 8/216:30 amOSL - ORD
2 stops18h 35mDelta
Fri 9/510:35 amORD - OSL
2 stops15h 40mDelta
Deal found 7/1$492
This Travelis deal was found by Cheapflights users on 7/2. 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 8/168:45 pmOSL - ORD
2 stops24h 55mFinnair
Sat 8/239:30 pmORD - OSL
1 stop15h 35mFinnair
Deal found 7/2$495
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/286:35 amOSL - ORD
1 stop15h 20mUnited Airlines
Thu 9/116:30 pmORD - OSL
1 stop22h 20mUnited Airlines
Deal found 7/3$497
This Flysmarter deal was found by Cheapflights users on 7/3. 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
2 stops17h 48mBritish Airways
Mon 9/151:59 pmORD - OSL
2 stops13h 26mBritish Airways
Deal found 7/3$498
This Icelandair deal was found by Cheapflights users on 7/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:50 pmOSL - ORD
1 stop11h 25mIcelandair
Tue 10/147:25 pmORD - OSL
1 stop10h 10mIcelandair
Deal found 7/2$503
This oojo deal was found by Cheapflights users on 7/1. 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.
Thu 9/47:10 amOSL - ORD
1 stop16h 00mScandinavian Airlines
Tue 9/910:15 amORD - OSL
2 stops16h 00mScandinavian Airlines
Deal found 7/1$504
This Expedia deal was found by Cheapflights users on 7/1. 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.
Fri 8/156:35 amOSL - ORD
1 stop15h 20mMultiple Airlines
Fri 8/229:25 pmORD - OSL
2 stops28h 50mMultiple Airlines
Deal found 7/1$513
This oojo deal was found by Cheapflights users on 7/1. 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.
Fri 8/156:35 amOSL - ORD
1 stop15h 20mLufthansa
Fri 8/226:25 pmORD - OSL
1 stop22h 25mLufthansa
Deal found 7/1$520
This Austrian Airlines deal was found by Cheapflights users on 7/2. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:55 pmOSL - ORD
2 stops28h 10mAustrian Airlines
Fri 10/1712:55 pmORD - OSL
2 stops18h 15mAustrian Airlines
Deal found 7/2$533
This SWISS deal was found by Cheapflights users on 7/2. 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.
Thu 10/25:40 amOSL - ORD
2 stops37h 25mSWISS
Sun 10/129:35 pmORD - OSL
2 stops56h 30mSWISS
Deal found 7/2$550

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 July 3, 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

Wed 10/8

7:40 am-2:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Tue 10/14

1:43 pm-10:35 am

2 stops13h 52m

$490

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 10/2

5:40 am-7:29 pm

2 stops20h 49m

Chicago O'Hare Intl

Tue 10/14

9:12 pm-12:15 pm

2 stops32h 03m

$491

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 8/21

6:30 am-6:05 pm

2 stops18h 35m

Chicago O'Hare Intl

Fri 9/5

10:35 am-9:15 am

2 stops15h 40m

$492

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/16

8:45 pm-2:40 pm

2 stops24h 55m

Chicago O'Hare Intl

Sat 8/23

9:30 pm-8:05 pm

1 stop15h 35m

$495

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 8/28

6:35 am-2:55 pm

1 stop15h 20m

Chicago O'Hare Intl

Thu 9/11

6:30 pm-11:50 pm

1 stop22h 20m

$497

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/23

8:20 am-7:08 pm

2 stops17h 48m

Chicago O'Hare Intl

Mon 9/15

1:59 pm-10:25 am

2 stops13h 26m

$498

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 10/2

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/14

7:25 pm-12:35 pm

1 stop10h 10m

$503

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 9/4

7:10 am-4:10 pm

1 stop16h 00m

Chicago O'Hare Intl

Tue 9/9

10:15 am-9:15 am

2 stops16h 00m

$504

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/15

6:35 am-2:55 pm

1 stop15h 20m

Chicago O'Hare Intl

Fri 8/22

9:25 pm-9:15 am

2 stops28h 50m

$513

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/15

6:35 am-2:55 pm

1 stop15h 20m

Chicago O'Hare Intl

Fri 8/22

6:25 pm-11:50 pm

1 stop22h 25m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 18 results
1
2

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 June 27, 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 88 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 July 3, 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Delta, LOT, and Austrian Airlines from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,092 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport round-trip?

    According to our current data, American Airlines ($490), Air Canada ($491), and Delta ($492) offers the cheapest pricing from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport. American Airlines is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at $454. Icelandair flights start at $466 while deals on Lufthansa start at $469 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, 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

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Skokie
Des Plaines
Arlington Heights
Elgin
Naperville
Orland Park
Elk Grove Village
Racine
Rockford
Tinley Park
Merrillville
Bridgeview
Glenview
Lake Geneva
Joliet
Waukegan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.