Cheap flights from Chicago to Keflavík (ORD–KEF)
ORDChicago O'Hare International Airport
United States
United States
KEFKeflavik International Airport
Iceland
Iceland
Icelandair and United Airlines fly Chicago to Keflavík (ORD–KEF) nonstop and back, a great-circle distance of 4,730 km (2,940 mi).
- From
- ORD
- Chicago
- To
- KEF
- Keflavík
- Nonstop
- Yes · 2 airlines
- Airlines
- FI · UA
- Cheapest fare found
- $496 one-way
- Distance
- 4,730 km (2,940 mi)
- Time difference
- Keflavík 5 hours ahead
- Most flights
- Icelandair
- Time in the air
- 5h 30m · 6h 14m back
- On time (Touchdown Index)
- 75.8%
- Flights a week
- FI ~7 · UA ~5
- Aircraft seen
- Boeing 737 Max 8 · Boeing 757-200 · Boeing 737 Max 9
Network data imported from airport and airline sources:· How we verify
Chicago to Keflavík fares by month
Cheapest one-way fare found: $496 for December 2026 on Icelandair, nonstop. Nonstop from $496.
- Dec ’26$496
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
Chicago to Keflavík: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Chicago O'Hare (ORD) to Keflavík (KEF)?
From $496 one-way, the cheapest fare found for December 2026 on Icelandair, nonstop; nonstop from $496 (found 8 October 2026).
How long is the ORD–KEF flight?
5h 30m wheels-up to wheels-down, the median of 58 tracked flights; KEF–ORD took 6h 14m.
Which airlines fly ORD–KEF direct?
Icelandair and United Airlines.
What is the time difference between Chicago and Keflavík?
Keflavík is 5 hours ahead of Chicago: a ORD departure at noon is 17:00 local time in KEF.
Is ORD–KEF usually on time?
75.8% of 99 ORD–KEF flights landed within 15 minutes of their usual time; 5.1% were over an hour late.
How many ORD–KEF flights a week?
Icelandair 7 and United Airlines 5 each way.
What aircraft fly ORD–KEF?
Boeing 737 Max 8, Boeing 757-200 and Boeing 737 Max 9.
Keflavík to Chicago: the return flight (KEF–ORD)
All 2 airlines also fly KEF–ORD nonstop.
The return takes 6h 14m in the air (median of 41 tracked flights), 44 minutes longer than ORD–KEF.
Airlines flying ORD–KEF nonstop
| Airline | Usually takes off (ORD time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Icelandair FI | 19:42–23:16 | full-service | — | — |
| United Airlines UA | 21:57–22:50 | full-service | Star Alliance | Seasonal |
One-stop alternatives to flying ORD–KEF nonstop
One airline on both legs; check it's sold as one ticket.
- Via Toronto (YYZ) with
Air Canada: 4,870 km (3,030 mi) flown, 3% further than nonstop. - Via Detroit (DTW) with
Delta Air Lines: 4,860 km (3,020 mi) flown, 3% further than nonstop. - Via Montreal (YUL) with Air Canada: 4,930 km (3,060 mi) flown, 4% further than nonstop.
- Via Minneapolis (MSP) with Delta Air Lines: 5,260 km (3,270 mi) flown, 11% further than nonstop.
- Via Newark (EWR) with United Airlines: 5,330 km (3,310 mi) flown, 13% further than nonstop.
ORD–KEF route map
More from Chicago and Keflavík
Explore the airlines’ route maps
Departure
Chicago O'Hare International Airport
O'Hare (ORD), Chicago. In our data, 48 airlines fly nonstop from ORD to 181 destinations.
View ORD airport guide →Arrival
Keflavik International Airport
2 ways into Keflavík, fastest from 45 min:
- Flybus 45 min–1h · 3,899–4,999 ISK
- Strætó bus 55 1h–1h 20m · 2,400 ISK
Onward from Keflavík
Places you can't fly to nonstop from ORD, but can from KEF — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.