Cheap Flights from Reykjavik (KEF) to Chicago (ORD)

Round-trip tickets between Reykjavík–Keflavík Airport and O'Hare Airport start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but whether or not you incur a fee varies between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for KEF to ORD flights, you'll see a "no change fees" filter for you to select.

Reykjanesbær to Chicago is around 4,700 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Throw in some snacks to munch on throughout your trip too.

Flying nonstop from KEF to O'Hare Intl. Airport (ORD) is simple with Icelandair (FI). This leading airline operates 21 flights every month.

Late planners can sometimes pick up a bargain, with some of the cheapest airfares from Keflavik Intl. Airport (KEF) to O'Hare Airport cropping up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.