$233 Find Cheap Flights from Chicago to Oslo - Compare and Save

Three cabin classes are available on flights from Chicago to Oslo Gardermoen Airport:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from Chicago to Oslo Gardermoen Airport takes 00m, covering 4,037 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Chicago to Oslo Gardermoen Airport range from $555 to $866, with an average of $705 over the past 12 months. Anything below $555 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 33% above the $705 route average. Book 26 weeks before departure for the lowest fares.

One-way fares from Chicago to Oslo Gardermoen Airport are currently lower than usual. Average one-way flight prices are about $329, which is 25% below the typical average for this route.

Oslo Gardermoen Airport (OSL) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:

• Hertz
• Budget
• Sixt
• Avis
• Thrifty

Flights from Chicago to Oslo Gardermoen Airport may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Oslo Gardermoen (OSL).

One-stop flights from Chicago to Oslo Gardermoen Airport most commonly connect through:

• Reykjavik Keflavik Intl (KEF) - 46% of one-stop connections
• Kastrup Copenhagen (CPH) - 26% of one-stop connections
• Amsterdam Schiphol (AMS) - 12% of one-stop connections
• Frankfurt am Main (FRA) - 5% of one-stop connections

Yes. Flexible dates can save you up to 18% on flights from Chicago to Oslo Gardermoen Airport. Tuesday is the cheapest departure day at $636 round-trip on average, while Saturday is the most expensive at $772, a difference of $136.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 35m, compared with 12h 20m via Kastrup Copenhagen (CPH) and 12h 30m via Helsinki-Vantaa (HEL).

Oslo Gardermoen Airport is 7 hours ahead of Chicago (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Oslo Gardermoen Airport are Nationaltheatret, Rockefeller and Oslo domkirke. These are among the most viewed places in Oslo Gardermoen Airport on KAYAK.

Scandinavian Airlines is one of the airlines flying from Chicago to Oslo with the highest carry-on baggage allowance. The airline allows travelers to have one piece of the carry-on bag weighing at most 17.6 lbs with dimensions up to 22 by 16 by 9 inches. The airline also allows you to bring personal items like a laptop or purse at no additional cost.

Airlines flying from Chicago to Oslo have roughly 3920 lbs of carbon emissions. However, various airlines are flying the route sustainably. With the most environmentally sustainable flight, consider flying Delta Air Lines, Icelandair, and Air Canada. The most eco-friendly airline, Delta, emits about 2604 lbs of carbon per passenger on the flight, Icelandair emits 2791 lbs of carbon, while Air Canada's eco-friendly flights release approximately 2818 lbs of carbon dioxide per person.

Several airlines flying from Chicago to Oslo offer layover travel. Your airline determines the layover city you have. When traveling to Oslo from Chicago on layover travel, you can have one or multiple layovers, as there are no nonstop flights on this route. Consider flying American, Brussels, Austrian, Turkish, and United Airlines when looking for a single layover on this route. The common layover cities for flights traveling the route include Vienna, Brussels, Helsinki, Paris, Munich, Dublin, Warsaw, London, and New York.

Airlines flying to OSL from Chicago assist travelers with special needs. Consider flying Scandinavian Airlines, which provides various services for special needs passengers. The airline offers priority boarding, special seating, wheelchair assistance, pre-boarding, and in-flight assistance services to persons with special needs. The airline provides medical equipment like portable oxygen concentrators; you can bring your medical equipment into the cabin if you have one. The airline has adjustable armrests and accessible toilets and provides wheelchairs upon request. The airline also offers communication assistance to persons with hearing impairment.