Cheap flights from Chicago to Reykjavik from $349

The month of December is, on average, the cheapest month to fly to Reykjavik from Chicago, with most prices found around $117. The month of November is another great option to travel to Reykjavik, with average flight prices from Chicago averaging around $137.

Our data shows that Wednesday is the least expensive day to fly to Reykjavik. Tickets to fly out on this day can be as low as $597. Flights from Chicago to Reykjavik on a Monday will generally be more expensive and average around $622. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Reykjavik from Chicago in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing in the afternoon. Flights to Reykjavik are more costly in the evening, with an average ticket price of $641. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Chicago O'Hare Intl to Reykjavik Keflavik Intl for the best Chicago - Reykjavik flight prices

You are more likely to see cheaper flights to Reykjavik from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik for around $602 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik from Chicago for as low as $561 on momondo.

There are 3 cabin classes available to choose from on Chicago to Reykjavik flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 19% on your flight if you consider stops on a Chicago to Reykjavik flight.

As of May 2026, prices for Chicago to Reykjavik flights are approximately 13% more expensive when compared to flights at the same time last year.

The number of flights available between Chicago and Reykjavik is 6 per day as of May 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

43 flights are operational weekly from Chicago to Reykjavik as of May 2026. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.