$278 Cheap Flights from Oslo (OSL) to Chicago (ORD)

View $278 flight on Sun, Apr 26, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Oslo to Chicago (OSL-ORD)

Prices were available within the past 7 days and start at $278 for one-way flights and $459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Nov 15 - Sat, Nov 29
OSL
Oslo
ORD
Chicago
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Nov 15 from Oslo to Chicago, returning Sat, Nov 29, priced at $459 found 1 day ago
Icelandair
Sun, Nov 16 - Thu, Nov 20
OSL
Oslo
ORD
Chicago
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Nov 16 from Oslo to Chicago, returning Thu, Nov 20, priced at $461 found 2 days ago
American Airlines
Thu, Jan 22 - Thu, Jan 29
OSL
Oslo
ORD
Chicago
$464 Roundtrip, found 6 hours ago
$464
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Jan 22 from Oslo to Chicago, returning Thu, Jan 29, priced at $464 found 6 hours ago
British Airways
Wed, Nov 26 - Mon, Dec 1
OSL
Oslo
ORD
Chicago
$464 Roundtrip, found 4 days ago
$464
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Nov 26 from Oslo to Chicago, returning Mon, Dec 1, priced at $464 found 4 days ago
Scandinavian Airlines
Sat, Nov 1 - Fri, Nov 14
OSL
Oslo
ORD
Chicago
$473 Roundtrip, found 6 days ago
$473
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Sat, Nov 1 from Oslo to Chicago, returning Fri, Nov 14, priced at $473 found 6 days ago
Iberia
Fri, Nov 21 - Sun, Nov 30
OSL
Oslo
ORD
Chicago
$487 Roundtrip, found 1 day ago
$487
Roundtrip
found 1 day ago
Select Iberia flight, departing Fri, Nov 21 from Oslo to Chicago, returning Sun, Nov 30, priced at $487 found 1 day ago
Lufthansa
Fri, Nov 21 - Sun, Nov 30
OSL
Oslo
ORD
Chicago
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Nov 21 from Oslo to Chicago, returning Sun, Nov 30, priced at $494 found 1 day ago
Air Canada
Wed, Nov 12 - Sun, Nov 16
OSL
Oslo
ORD
Chicago
$496 Roundtrip, found 4 days ago
$496
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Nov 12 from Oslo to Chicago, returning Sun, Nov 16, priced at $496 found 4 days ago
Swiss International Air Lines
Sat, Nov 15 - Sat, Nov 29
OSL
Oslo
ORD
Chicago
$501 Roundtrip, found 1 day ago
$501
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sat, Nov 15 from Oslo to Chicago, returning Sat, Nov 29, priced at $501 found 1 day ago
Brussels Airlines
Sat, Nov 1 - Sun, Nov 9
OSL
Oslo
ORD
Chicago
$516 Roundtrip, found 2 days ago
$516
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, Nov 1 from Oslo to Chicago, returning Sun, Nov 9, priced at $516 found 2 days ago

Find the cheapest month to fly from Oslo (OSL) to Chicago (ORD)

February is typically the cheapest month to fly

From $333 - $602 per traveler.

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight from $278 or cheap return flight from $459 from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD)?
Flying in November can help you save, as it's the cheapest month for flights between OSL and ORD. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from OSL to ORD. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD)?
Nonstop flights from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OSL to ORD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD)?
Select a flight from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD) last-minute?
Booking your plane ticket from OSL to ORD shortly before your trip is usually more expensive. However, if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an OSL to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking an OSL to ORD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to O'Hare Intl. Airport (ORD)?
Typically, you're able to reschedule or cancel your OSL to ORD flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Gardermoen
Destination airport
O'Hare Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$459
Distance
4041 mi

Book with confidence

Book with confidence

Oslo to Chicago Flights

The cheapest times to fly from Oslo to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oslo to Chicago are during the month of November. You can find some of the cheapest flights from Oslo to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to Chicago

Sunday is one of the best days to book for cheap flights from Oslo to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Oslo to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oslo to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $278 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oslo to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Oslo to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Oslo to Chicago Flights

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*Available to One Key members.