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International route

Cheap flights from Chicago to Reykjavik

O'Hare International Airport (ORD) to Keflavík International Airport (KEF). 2,936 miles, 5h 50m nonstop.

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ORD to KEF at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
2,936 milesgreat-circle
Typical flight time
5h 50mnonstop, gate to gate
Nonstop airlines
FI1 airlineIcelandair
Nonstop flights per day
1all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Tuesday18% less than Friday
Time difference
5h aheadReykjavik vs Chicago

Chicago to Reykjavik

Round trips from $303

Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.

Cheapest month: January 2027

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Chicago to Reykjavik fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

  1. September 2026from Tue, Sep 29$418
  2. October 2026from Tue, Oct 6$353
  3. November 2026from Tue, Nov 17$350
  4. December 2026from Tue, Dec 15$349
  5. January 2027from Tue, Jan 5$303
  6. February 2027from Tue, Feb 9$317

Airlines flying Chicago to Reykjavik

1 airline flies nonstop with 1 departures a day combined, plus 1 more with one stop.

Connecting options

Hubs where one airline can carry you on both legs, most choices first.

Which airport should I use?

Chicago has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.

Other departure airports near Chicago

Tips for this route

  • Only Icelandair flies this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through SNN is usually cheaper if you can spare the extra three to five hours.
  • January 2027 is the cheapest month to fly over the next six months, with round trips from $303; September 2026 is the most expensive at $418 and up, a difference of $115 per traveler.
  • Departing on a Tuesday averages 18% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
  • Reykjavik is 5 hours ahead of Chicago. Expect to lose 5 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Flying the other way? Reykjavik to ChicagoFares, airlines and tips for KEF to ORD.

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Chicago to Reykjavik: common questions

How long is the flight from Chicago to Reykjavik?

A nonstop flight from Chicago (ORD) to Reykjavik (KEF) takes about 5h 50m gate to gate, covering 2,936 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.

Which airlines fly nonstop from ORD to KEF?

Icelandair operates nonstop flights from Chicago (ORD) to Reykjavik (KEF), with 1 nonstop departure a day between them. One-stop options connect through SNN.

What is the cheapest month to fly from Chicago to Reykjavik?

Over the next six months, January 2027 has the lowest round-trip fares from Chicago (ORD) to Reykjavik (KEF), starting at $303 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

How far in advance should I book Chicago to Reykjavik flights?

Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between Chicago and Reykjavik?

Reykjavik is 5 hours ahead of Chicago. ORD is on America/Chicago time and KEF on Atlantic/Reykjavik time. Departure and arrival times in search results are always shown in local time at each airport.

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