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Cheap flights from Chicago to Keflavík

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      Travelers and cabin class, 1 Adult, Economy

      Compare Chicago to Keflavík flight deals

      Find the cheapest month or even day of the year to fly to Keflavík

      Book the best Keflavík fare with no extra fees

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      Flight deals from Chicago to Keflavík

      Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Keflavík? Find the lowest prices on one-way and round-trip tickets right here.
      Reykjavik.$434 per passenger.Departing Sun, Nov 29, returning Sat, Dec 5.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Chicago O'Hare International on Sun, Nov 29, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Sat, Dec 5, arriving in Chicago O'Hare International.Price includes taxes and charges.From $434, select.
      Reykjavik.$460 per passenger.Departing Wed, Dec 9, returning Mon, Dec 14.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Chicago O'Hare International on Wed, Dec 9, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Mon, Dec 14, arriving in Chicago O'Hare International.Price includes taxes and charges.From $460, select.
      Reykjavik.$477 per passenger.Departing Sun, Nov 1, returning Mon, Nov 9.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sun, Nov 1, arriving in Reykjavik Keflavik.Inbound direct flight with United departing from Reykjavik Keflavik on Mon, Nov 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From $477, select.
      Reykjavik.$521 per passenger.Departing Thu, Feb 4, returning Thu, Feb 11.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Chicago O'Hare International on Thu, Feb 4, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Thu, Feb 11, arriving in Chicago O'Hare International.Price includes taxes and charges.From $521, select.
      Reykjavik.$525 per passenger.Departing Mon, Sep 20, returning Sun, Oct 3.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Chicago O'Hare International on Mon, Sep 20, arriving in Reykjavik Keflavik.Inbound indirect flight with Air Canada, departing from Reykjavik Keflavik on Sun, Oct 3, arriving in Chicago O'Hare International.Price includes taxes and charges.From $525, select.
      Reykjavik.$526 per passenger.Departing Mon, Oct 4, returning Fri, Oct 8.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Chicago O'Hare International on Mon, Oct 4, arriving in Reykjavik Keflavik.Inbound indirect flight with Air Canada, departing from Reykjavik Keflavik on Fri, Oct 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $526, select.
      Reykjavik.$533 per passenger.Departing Sun, Sep 5, returning Fri, Sep 10.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sun, Sep 5, arriving in Reykjavik Keflavik.Inbound direct flight with United departing from Reykjavik Keflavik on Fri, Sep 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From $533, select.
      Reykjavik.$533 per passenger.Departing Sat, Aug 28, returning Sat, Sep 4.Round-trip flight with United.Outbound indirect flight with United, departing from Chicago O'Hare International on Sat, Aug 28, arriving in Reykjavik Keflavik.Inbound indirect flight with United, departing from Reykjavik Keflavik on Sat, Sep 4, arriving in Chicago O'Hare International.Price includes taxes and charges.From $533, select.
      Reykjavik.$533 per passenger.Departing Sat, Sep 11, returning Sat, Sep 18.Round-trip flight with United.Outbound indirect flight with United, departing from Chicago O'Hare International on Sat, Sep 11, arriving in Reykjavik Keflavik.Inbound indirect flight with United, departing from Reykjavik Keflavik on Sat, Sep 18, arriving in Chicago O'Hare International.Price includes taxes and charges.From $533, select.
      Reykjavik.$535 per passenger.Departing Sun, Jun 6, returning Thu, Jun 10.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sun, Jun 6, arriving in Reykjavik Keflavik.Inbound direct flight with United departing from Reykjavik Keflavik on Thu, Jun 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From $535, select.
      Reykjavik.$537 per passenger.Departing Sat, Aug 21, returning Sat, Aug 28.Round-trip flight with United.Outbound indirect flight with United, departing from Chicago O'Hare International on Sat, Aug 21, arriving in Reykjavik Keflavik.Inbound indirect flight with United, departing from Reykjavik Keflavik on Sat, Aug 28, arriving in Chicago O'Hare International.Price includes taxes and charges.From $537, select.
      Reykjavik.$544 per passenger.Departing Thu, Jan 28, returning Tue, Feb 2.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Chicago O'Hare International on Thu, Jan 28, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Tue, Feb 2, arriving in Chicago O'Hare International.Price includes taxes and charges.From $544, select.
      Reykjavik.$545 per passenger.Departing Fri, Jan 8, returning Sat, Jan 16.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Chicago O'Hare International on Fri, Jan 8, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Sat, Jan 16, arriving in Chicago O'Hare International.Price includes taxes and charges.From $545, select.
      Reykjavik.$562 per passenger.Departing Sat, Jul 31, returning Sat, Aug 7.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sat, Jul 31, arriving in Reykjavik Keflavik.Inbound direct flight with United departing from Reykjavik Keflavik on Sat, Aug 7, arriving in Chicago O'Hare International.Price includes taxes and charges.From $562, select.
      Reykjavik.$565 per passenger.Departing Sat, Jul 10, returning Sat, Jul 24.Round-trip flight with United.Outbound indirect flight with United, departing from Chicago O'Hare International on Sat, Jul 10, arriving in Reykjavik Keflavik.Inbound indirect flight with United, departing from Reykjavik Keflavik on Sat, Jul 24, arriving in Chicago O'Hare International.Price includes taxes and charges.From $565, select.
      Reykjavik.$567 per passenger.Departing Wed, Jun 30, returning Thu, Jul 8.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Chicago O'Hare International on Wed, Jun 30, arriving in Reykjavik Keflavik.Inbound indirect flight with Air Canada, departing from Reykjavik Keflavik on Thu, Jul 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $567, select.
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      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Chicago to Keflavík found in the last 12 days, and are subject to change and availability.

      Chicago to Keflavík: Flight information

      The things to know before you go.
      Fly intoReykjavik Keflavik Airport
      Distance to Keflavík3.2 km
      Cheapest flight$434
      Cheapest month to flyNovember
      Most popular airlineIcelandair
      Average flight time6 hrs, 15 mins

      Find the cheapest month to fly from Chicago to Keflavík

      We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Chicago to Keflavík flights are currently cheapest in November. We’ve based this on flights into Reykjavik Keflavik Airport.
      Oct
      Find prices
      Nov
      from $477
      Dec
      from $460
      Jan
      from $545
      Feb
      from $521
      Mar
      from $664
      Apr
      from $592
      May
      from $650
      Jun
      from $535
      Jul
      from $565
      Aug
      from $537
      Sep
      from $533

      Finding cheap flights from Chicago to Keflavík: Frequently asked questions

      There are two (2) airports near Keflavík: Reykjavik Keflavik Airport and Reykjavik Domestic Airport.
      The best price we found for a round-trip flight from Chicago to Keflavík is $434. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Icelandair, Lufthansa, and United all offer direct flights to Reykjavik Keflavik Airport.
      We've checked every Chicago to Keflavík fare we could find, and the cheapest upcoming date to fly seems to be on Sunday, November 29, 2026. Overall, the cheapest month to fly from Chicago to Keflavík is usually November.
      If you're flying from Chicago, the cheapest airport near Keflavík is Reykjavik Keflavik – which is 3.2 km away from the center of Keflavík. We've found flights to this airport from $434.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Keflavík on Sunday, November 29, 2026.
      No airlines currently offer direct flights between Chicago and Keflavík. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Keflavík but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Keflavík is around 40 days in advance, so don’t leave your flight to the last minute.

      Reykjavik Keflavik Airport is 3.2km from Keflavík and Reykjavik Domestic Airport is 32.9km from Keflavík.
      Reykjavik Keflavik Airport is closest to Keflavík, at around 3.2 km away.
      The cheapest airline that flies to Keflavík is Icelandair.