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Flyus »  Cheap Flights  »  Illinois
Chicago (ORD)  »  Iceland  »  ORD to KEF

Good to Know - Flights from Chicago to Keflavik

Low Season:
November
Best time to beat the crowds
High Season:
April
Most popular time to fly
Good Deal:
$ 574.20
or less (round trip)

Cheapest Day of the Month to Book Flights



Top Tips for Finding Cheap Flights from Chicago to Keflavik

Looking for cheap airfare from Chicago to Keflavik? 25% of our users found round-trip tickets to Keflavik for the following price or less: $ 574.20 Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be April. The cheapest month to fly from Chicago to Keflavik is November. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago to Keflavik flight deals.

FAQs - Booking from Chicago to Keflavik flights

How long is the flight from Chicago to Keflavik?
A flight from Chicago to Keflavik takes 5hours5minutes.
What is the cheapest flight Chicago to Keflavik?:
The cheapest flight Chicago to Keflavik found on flyus.com in the last 72 hours was $574.20 round-trip.
 
Which airlines fly to Keflavik?:
• Icelandair
• JetBlue Airways
• United Airlines
• Air Canada
• Lufthansa
• American Airlines
 

Find cheap flights from Chicago to Keflavik and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.

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Cheapest Flights
from Chicago, United States (ORD) to:

  • Keflavik, Iceland (KEF)
    Jul 10, 25 - Jul 14, 25
    $574.20
    Search

  • Keflavik, Iceland (KEF)
    Oct 20, 25 - Oct 27, 25
    $613.11
    Search

  • Keflavik, Iceland (KEF)
    Oct 13, 25 - Oct 20, 25
    $613.11
    Search

  • Keflavik, Iceland (KEF)
    Nov 04, 25 - Nov 11, 25
    $613.21
    Search

  • Keflavik, Iceland (KEF)
    Sep 23, 25 - Oct 14, 25
    $613.21
    Search