$243 Find cheap flights from Chicago to Oslo

In the last 3 days, the lowest price for a flight from Chicago to Oslo was $243 for a one-way ticket and $402 for a round-trip.

A passport is required to fly from Chicago to Oslo.

There are 2 airports in Chicago (Chicago Midway and Chicago O'Hare Intl) and 2 airports in Oslo (Oslo Gardermoen and Oslo Sandefjord). The cheapest flights are generally found on the Chicago O'Hare Airport to Oslo Airport flight route.

We unfortunately don’t have that data for this specific route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Chicago and Oslo, with Star Alliance being the most commonly used for this route.

Reykjavik is the most popular layover city among KAYAK users traveling from Chicago to Oslo.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Oslo.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Chicago with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.